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# Blue Oak Model License
Version 1.0.0
## Purpose
This license gives everyone as much permission to work with
this software as possible, while protecting contributors
from liability.
## Acceptance
In order to receive this license, you must agree to its
rules. The rules of this license are both obligations
under that agreement and conditions to your license.
You must not do anything with this software that triggers
a rule that you cannot or will not follow.
## Copyright
Each contributor licenses you to do everything with this
software that would otherwise infringe that contributor's
copyright in it.
## Notices
You must ensure that everyone who gets a copy of
any part of this software from you, with or without
changes, also gets the text of this license or a link to
<https://blueoakcouncil.org/license/1.0.0>.
## Excuse
If anyone notifies you in writing that you have not
complied with [Notices](#notices), you can keep your
license by taking all practical steps to comply within 30
days after the notice. If you do not do so, your license
ends immediately.
## Patent
Each contributor licenses you to do everything with this
software that would otherwise infringe any patent claims
they can license or become able to license.
## Reliability
No contributor can revoke this license.
## No Liability
**_As far as the law allows, this software comes as is,
without any warranty or condition, and no contributor
will be liable to anyone for any damages related to this
software or this license, under any kind of legal claim._**

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# jackspeak
A very strict and proper argument parser.
Validate string, boolean, and number options, from the command
line and the environment.
Call the `jack` method with a config object, and then chain
methods off of it.
At the end, call the `.parse()` method, and you'll get an object
with `positionals` and `values` members.
Any unrecognized configs or invalid values will throw an error.
As long as you define configs using object literals, types will
be properly inferred and TypeScript will know what kinds of
things you got.
If you give it a prefix for environment variables, then defaults
will be read from the environment, and parsed values written back
to it, so you can easily pass configs through to child processes.
Automatically generates a `usage`/`help` banner by calling the
`.usage()` method.
Unless otherwise noted, all methods return the object itself.
## USAGE
```js
import { jack } from 'jackspeak'
// this works too:
// const { jack } = require('jackspeak')
const { positionals, values } = jack({ envPrefix: 'FOO' })
.flag({
asdf: { description: 'sets the asfd flag', short: 'a', default: true },
'no-asdf': { description: 'unsets the asdf flag', short: 'A' },
foo: { description: 'another boolean', short: 'f' },
})
.optList({
'ip-addrs': {
description: 'addresses to ip things',
delim: ',', // defaults to '\n'
default: ['127.0.0.1'],
},
})
.parse([
'some',
'positional',
'--ip-addrs',
'192.168.0.1',
'--ip-addrs',
'1.1.1.1',
'args',
'--foo', // sets the foo flag
'-A', // short for --no-asdf, sets asdf flag to false
])
console.log(process.env.FOO_ASDF) // '0'
console.log(process.env.FOO_FOO) // '1'
console.log(values) // {
// 'ip-addrs': ['192.168.0.1', '1.1.1.1'],
// foo: true,
// asdf: false,
// }
console.log(process.env.FOO_IP_ADDRS) // '192.168.0.1,1.1.1.1'
console.log(positionals) // ['some', 'positional', 'args']
```
## `jack(options: JackOptions = {}) => Jack`
Returns a `Jack` object that can be used to chain and add
field definitions. The other methods (apart from `validate()`,
`parse()`, and `usage()` obviously) return the same Jack object,
updated with the new types, so they can be chained together as
shown in the code examples.
Options:
- `allowPositionals` Defaults to true. Set to `false` to not
allow any positional arguments.
- `envPrefix` Set to a string to write configs to and read
configs from the environment. For example, if set to `MY_APP`
then the `foo-bar` config will default based on the value of
`env.MY_APP_FOO_BAR` and will write back to that when parsed.
Boolean values are written as `'1'` and `'0'`, and will be
treated as `true` if they're `'1'` or false otherwise.
Number values are written with their `toString()`
representation.
Strings are just strings.
Any value with `multiple: true` will be represented in the
environment split by a delimiter, which defaults to `\n`.
- `env` The place to read/write environment variables. Defaults
to `process.env`.
- `usage` A short usage string to print at the top of the help
banner.
- `stopAtPositional` Boolean, default false. Stop parsing opts
and flags at the first positional argument. This is useful if
you want to pass certain options to subcommands, like some
programs do, so you can stop parsing and pass the positionals
to the subcommand to parse.
- `stopAtPositionalTest` Conditional `stopAtPositional`. Provide
a function that takes a positional argument string and returns
boolean. If it returns `true`, then parsing will stop. Useful
when _some_ subcommands should parse the rest of the command
line options, and others should not.
### `Jack.heading(text: string, level?: 1 | 2 | 3 | 4 | 5 | 6)`
Define a short string heading, used in the `usage()` output.
Indentation of the heading and subsequent description/config
usage entries (up until the next heading) is set by the heading
level.
If the first usage item defined is a heading, it is always
treated as level 1, regardless of the argument provided.
Headings level 1 and 2 will have a line of padding underneath
them. Headings level 3 through 6 will not.
### `Jack.description(text: string, { pre?: boolean } = {})`
Define a long string description, used in the `usage()` output.
If the `pre` option is set to `true`, then whitespace will not be
normalized. However, if any line is too long for the width
allotted, it will still be wrapped.
## Option Definitions
Configs are defined by calling the appropriate field definition
method with an object where the keys are the long option name,
and the value defines the config.
Options:
- `type` Only needed for the `addFields` method, as the others
set it implicitly. Can be `'string'`, `'boolean'`, or
`'number'`.
- `multiple` Only needed for the `addFields` method, as the
others set it implicitly. Set to `true` to define an array
type. This means that it can be set on the CLI multiple times,
set as an array in the `values`
and it is represented in the environment as a delimited string.
- `short` A one-character shorthand for the option.
- `description` Some words to describe what this option is and
why you'd set it.
- `hint` (Only relevant for non-boolean types) The thing to show
in the usage output, like `--option=<hint>`
- `validate` A function that returns false (or throws) if an
option value is invalid.
- `validOptions` An array of strings or numbers that define the
valid values that can be set. This is not allowed on `boolean`
(flag) options. May be used along with a `validate()` method.
- `default` A default value for the field. Note that this may be
overridden by an environment variable, if present.
### `Jack.flag({ [option: string]: definition, ... })`
Define one or more boolean fields.
Boolean options may be set to `false` by using a
`--no-${optionName}` argument, which will be implicitly created
if it's not defined to be something else.
If a boolean option named `no-${optionName}` with the same
`multiple` setting is in the configuration, then that will be
treated as a negating flag.
### `Jack.flagList({ [option: string]: definition, ... })`
Define one or more boolean array fields.
### `Jack.num({ [option: string]: definition, ... })`
Define one or more number fields. These will be set in the
environment as a stringified number, and included in the `values`
object as a number.
### `Jack.numList({ [option: string]: definition, ... })`
Define one or more number list fields. These will be set in the
environment as a delimited set of stringified numbers, and
included in the `values` as a number array.
### `Jack.opt({ [option: string]: definition, ... })`
Define one or more string option fields.
### `Jack.optList({ [option: string]: definition, ... })`
Define one or more string list fields.
### `Jack.addFields({ [option: string]: definition, ... })`
Define one or more fields of any type. Note that `type` and
`multiple` must be set explicitly on each definition when using
this method.
## Actions
Use these methods on a Jack object that's already had its config
fields defined.
### `Jack.parse(args: string[] = process.argv): { positionals: string[], values: OptionsResults }`
Parse the arguments list, write to the environment if `envPrefix`
is set, and returned the parsed values and remaining positional
arguments.
### `Jack.validate(o: any): asserts o is OptionsResults`
Throws an error if the object provided is not a valid result set,
for the configurations defined thusfar.
### `Jack.usage(): string`
Returns the compiled `usage` string, with all option descriptions
and heading/description text, wrapped to the appropriate width
for the terminal.
### `Jack.setConfigValues(options: OptionsResults, src?: string)`
Validate the `options` argument, and set the default value for
each field that appears in the options.
Values provided will be overridden by environment variables or
command line arguments.
### `Jack.usageMarkdown(): string`
Returns the compiled `usage` string, with all option descriptions
and heading/description text, but as markdown instead of
formatted for a terminal, for generating HTML documentation for
your CLI.
## Some Example Code
Also see [the examples
folder](https://github.com/isaacs/jackspeak/tree/master/examples)
```js
import { jack } from 'jackspeak'
const j = jack({
// Optional
// This will be auto-generated from the descriptions if not supplied
// top level usage line, printed by -h
// will be auto-generated if not specified
usage: 'foo [options] <files>',
})
.heading('The best Foo that ever Fooed')
.description(
`
Executes all the files and interprets their output as
TAP formatted test result data.
To parse TAP data from stdin, specify "-" as a filename.
`,
)
// flags don't take a value, they're boolean on or off, and can be
// turned off by prefixing with `--no-`
// so this adds support for -b to mean --bail, or -B to mean --no-bail
.flag({
flag: {
// specify a short value if you like. this must be a single char
short: 'f',
// description is optional as well.
description: `Make the flags wave`,
// default value for flags is 'false', unless you change it
default: true,
},
'no-flag': {
// you can can always negate a flag with `--no-flag`
// specifying a negate option will let you define a short
// single-char option for negation.
short: 'F',
description: `Do not wave the flags`,
},
})
// Options that take a value are specified with `opt()`
.opt({
reporter: {
short: 'R',
description: 'the style of report to display',
},
})
// if you want a number, say so, and jackspeak will enforce it
.num({
jobs: {
short: 'j',
description: 'how many jobs to run in parallel',
default: 1,
},
})
// A list is an option that can be specified multiple times,
// to expand into an array of all the settings. Normal opts
// will just give you the last value specified.
.optList({
'node-arg': {},
})
// a flagList is an array of booleans, so `-ddd` is [true, true, true]
// count the `true` values to treat it as a counter.
.flagList({
debug: { short: 'd' },
})
// opts take a value, and is set to the string in the results
// you can combine multiple short-form flags together, but
// an opt will end the combine chain, posix-style. So,
// -bofilename would be like --bail --output-file=filename
.opt({
'output-file': {
short: 'o',
// optional: make it -o<file> in the help output insead of -o<value>
hint: 'file',
description: `Send the raw output to the specified file.`,
},
})
// now we can parse argv like this:
const { values, positionals } = j.parse(process.argv)
// or decide to show the usage banner
console.log(j.usage())
// or validate an object config we got from somewhere else
try {
j.validate(someConfig)
} catch (er) {
console.error('someConfig is not valid!', er)
}
```
## Name
The inspiration for this module is [yargs](http://npm.im/yargs), which
is pirate talk themed. Yargs has all the features, and is infinitely
flexible. "Jackspeak" is the slang of the royal navy. This module
does not have all the features. It is declarative and rigid by design.

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/// <reference types="node" />
export type ConfigType = 'number' | 'string' | 'boolean';
/**
* Given a Jack object, get the typeof its ConfigSet
*/
export type Unwrap<J> = J extends Jack<infer C> ? C : never;
import { inspect, InspectOptions } from 'node:util';
/**
* Defines the type of value that is valid, given a config definition's
* {@link ConfigType} and boolean multiple setting
*/
export type ValidValue<T extends ConfigType = ConfigType, M extends boolean = boolean> = [
T,
M
] extends ['number', true] ? number[] : [T, M] extends ['string', true] ? string[] : [T, M] extends ['boolean', true] ? boolean[] : [T, M] extends ['number', false] ? number : [T, M] extends ['string', false] ? string : [T, M] extends ['boolean', false] ? boolean : [T, M] extends ['string', boolean] ? string | string[] : [T, M] extends ['boolean', boolean] ? boolean | boolean[] : [T, M] extends ['number', boolean] ? number | number[] : [T, M] extends [ConfigType, false] ? string | number | boolean : [T, M] extends [ConfigType, true] ? string[] | number[] | boolean[] : string | number | boolean | string[] | number[] | boolean[];
/**
* The meta information for a config option definition, when the
* type and multiple values can be inferred by the method being used
*/
export type ConfigOptionMeta<T extends ConfigType, M extends boolean = boolean, O extends undefined | (T extends 'boolean' ? never : T extends 'string' ? readonly string[] : T extends 'number' ? readonly number[] : readonly number[] | readonly string[]) = undefined | (T extends 'boolean' ? never : T extends 'string' ? readonly string[] : T extends 'number' ? readonly number[] : readonly number[] | readonly string[])> = {
default?: undefined | (ValidValue<T, M> & (O extends number[] | string[] ? M extends false ? O[number] : O[number][] : unknown));
validOptions?: O;
description?: string;
validate?: ((v: unknown) => v is ValidValue<T, M>) | ((v: unknown) => boolean);
short?: string | undefined;
type?: T;
hint?: T extends 'boolean' ? never : string;
delim?: M extends true ? string : never;
} & (M extends false ? {
multiple?: false | undefined;
} : M extends true ? {
multiple: true;
} : {
multiple?: boolean;
});
/**
* A set of {@link ConfigOptionMeta} fields, referenced by their longOption
* string values.
*/
export type ConfigMetaSet<T extends ConfigType, M extends boolean = boolean> = {
[longOption: string]: ConfigOptionMeta<T, M>;
};
/**
* Infer {@link ConfigSet} fields from a given {@link ConfigMetaSet}
*/
export type ConfigSetFromMetaSet<T extends ConfigType, M extends boolean, S extends ConfigMetaSet<T, M>> = {
[longOption in keyof S]: ConfigOptionBase<T, M>;
};
/**
* Fields that can be set on a {@link ConfigOptionBase} or
* {@link ConfigOptionMeta} based on whether or not the field is known to be
* multiple.
*/
export type MultiType<M extends boolean> = M extends true ? {
multiple: true;
delim?: string | undefined;
} : M extends false ? {
multiple?: false | undefined;
delim?: undefined;
} : {
multiple?: boolean | undefined;
delim?: string | undefined;
};
/**
* A config field definition, in its full representation.
*/
export type ConfigOptionBase<T extends ConfigType, M extends boolean = boolean> = {
type: T;
short?: string | undefined;
default?: ValidValue<T, M> | undefined;
description?: string;
hint?: T extends 'boolean' ? undefined : string | undefined;
validate?: (v: unknown) => v is ValidValue<T, M>;
validOptions?: T extends 'boolean' ? undefined : T extends 'string' ? readonly string[] : T extends 'number' ? readonly number[] : readonly number[] | readonly string[];
} & MultiType<M>;
export declare const isConfigType: (t: string) => t is ConfigType;
export declare const isConfigOption: <T extends ConfigType, M extends boolean>(o: any, type: T, multi: M) => o is ConfigOptionBase<T, M>;
/**
* A set of {@link ConfigOptionBase} objects, referenced by their longOption
* string values.
*/
export type ConfigSet = {
[longOption: string]: ConfigOptionBase<ConfigType>;
};
/**
* The 'values' field returned by {@link Jack#parse}
*/
export type OptionsResults<T extends ConfigSet> = {
[k in keyof T]?: T[k]['validOptions'] extends (readonly string[] | readonly number[]) ? T[k] extends ConfigOptionBase<'string' | 'number', false> ? T[k]['validOptions'][number] : T[k] extends ConfigOptionBase<'string' | 'number', true> ? T[k]['validOptions'][number][] : never : T[k] extends ConfigOptionBase<'string', false> ? string : T[k] extends ConfigOptionBase<'string', true> ? string[] : T[k] extends ConfigOptionBase<'number', false> ? number : T[k] extends ConfigOptionBase<'number', true> ? number[] : T[k] extends ConfigOptionBase<'boolean', false> ? boolean : T[k] extends ConfigOptionBase<'boolean', true> ? boolean[] : never;
};
/**
* The object retured by {@link Jack#parse}
*/
export type Parsed<T extends ConfigSet> = {
values: OptionsResults<T>;
positionals: string[];
};
/**
* A row used when generating the {@link Jack#usage} string
*/
export interface Row {
left?: string;
text: string;
skipLine?: boolean;
type?: string;
}
/**
* A heading for a section in the usage, created by the jack.heading()
* method.
*
* First heading is always level 1, subsequent headings default to 2.
*
* The level of the nearest heading level sets the indentation of the
* description that follows.
*/
export interface Heading extends Row {
type: 'heading';
text: string;
left?: '';
skipLine?: boolean;
level: number;
pre?: boolean;
}
/**
* An arbitrary blob of text describing some stuff, set by the
* jack.description() method.
*
* Indentation determined by level of the nearest header.
*/
export interface Description extends Row {
type: 'description';
text: string;
left?: '';
skipLine?: boolean;
pre?: boolean;
}
/**
* A heading or description row used when generating the {@link Jack#usage}
* string
*/
export type TextRow = Heading | Description;
/**
* Either a {@link TextRow} or a reference to a {@link ConfigOptionBase}
*/
export type UsageField = TextRow | {
type: 'config';
name: string;
value: ConfigOptionBase<ConfigType>;
};
/**
* Options provided to the {@link Jack} constructor
*/
export interface JackOptions {
/**
* Whether to allow positional arguments
*
* @default true
*/
allowPositionals?: boolean;
/**
* Prefix to use when reading/writing the environment variables
*
* If not specified, environment behavior will not be available.
*/
envPrefix?: string;
/**
* Environment object to read/write. Defaults `process.env`.
* No effect if `envPrefix` is not set.
*/
env?: {
[k: string]: string | undefined;
};
/**
* A short usage string. If not provided, will be generated from the
* options provided, but that can of course be rather verbose if
* there are a lot of options.
*/
usage?: string;
/**
* Stop parsing flags and opts at the first positional argument.
* This is to support cases like `cmd [flags] <subcmd> [options]`, where
* each subcommand may have different options. This effectively treats
* any positional as a `--` argument. Only relevant if `allowPositionals`
* is true.
*
* To do subcommands, set this option, look at the first positional, and
* parse the remaining positionals as appropriate.
*
* @default false
*/
stopAtPositional?: boolean;
/**
* Conditional `stopAtPositional`. If set to a `(string)=>boolean` function,
* will be called with each positional argument encountered. If the function
* returns true, then parsing will stop at that point.
*/
stopAtPositionalTest?: (arg: string) => boolean;
}
/**
* Class returned by the {@link jack} function and all configuration
* definition methods. This is what gets chained together.
*/
export declare class Jack<C extends ConfigSet = {}> {
#private;
constructor(options?: JackOptions);
/**
* Set the default value (which will still be overridden by env or cli)
* as if from a parsed config file. The optional `source` param, if
* provided, will be included in error messages if a value is invalid or
* unknown.
*/
setConfigValues(values: OptionsResults<C>, source?: string): this;
/**
* Parse a string of arguments, and return the resulting
* `{ values, positionals }` object.
*
* If an {@link JackOptions#envPrefix} is set, then it will read default
* values from the environment, and write the resulting values back
* to the environment as well.
*
* Environment values always take precedence over any other value, except
* an explicit CLI setting.
*/
parse(args?: string[]): Parsed<C>;
loadEnvDefaults(): void;
applyDefaults(p: Parsed<C>): void;
/**
* Only parse the command line arguments passed in.
* Does not strip off the `node script.js` bits, so it must be just the
* arguments you wish to have parsed.
* Does not read from or write to the environment, or set defaults.
*/
parseRaw(args: string[]): Parsed<C>;
/**
* Validate that any arbitrary object is a valid configuration `values`
* object. Useful when loading config files or other sources.
*/
validate(o: unknown): asserts o is Parsed<C>['values'];
writeEnv(p: Parsed<C>): void;
/**
* Add a heading to the usage output banner
*/
heading(text: string, level?: 1 | 2 | 3 | 4 | 5 | 6, { pre }?: {
pre?: boolean;
}): Jack<C>;
/**
* Add a long-form description to the usage output at this position.
*/
description(text: string, { pre }?: {
pre?: boolean;
}): Jack<C>;
/**
* Add one or more number fields.
*/
num<F extends ConfigMetaSet<'number', false>>(fields: F): Jack<C & ConfigSetFromMetaSet<'number', false, F>>;
/**
* Add one or more multiple number fields.
*/
numList<F extends ConfigMetaSet<'number'>>(fields: F): Jack<C & ConfigSetFromMetaSet<'number', true, F>>;
/**
* Add one or more string option fields.
*/
opt<F extends ConfigMetaSet<'string', false>>(fields: F): Jack<C & ConfigSetFromMetaSet<'string', false, F>>;
/**
* Add one or more multiple string option fields.
*/
optList<F extends ConfigMetaSet<'string'>>(fields: F): Jack<C & ConfigSetFromMetaSet<'string', true, F>>;
/**
* Add one or more flag fields.
*/
flag<F extends ConfigMetaSet<'boolean', false>>(fields: F): Jack<C & ConfigSetFromMetaSet<'boolean', false, F>>;
/**
* Add one or more multiple flag fields.
*/
flagList<F extends ConfigMetaSet<'boolean'>>(fields: F): Jack<C & ConfigSetFromMetaSet<'boolean', true, F>>;
/**
* Generic field definition method. Similar to flag/flagList/number/etc,
* but you must specify the `type` (and optionally `multiple` and `delim`)
* fields on each one, or Jack won't know how to define them.
*/
addFields<F extends ConfigSet>(fields: F): Jack<C & F>;
/**
* Return the usage banner for the given configuration
*/
usage(): string;
/**
* Return the usage banner markdown for the given configuration
*/
usageMarkdown(): string;
/**
* Return the configuration options as a plain object
*/
toJSON(): {
[k: string]: {
hint?: string | undefined;
default?: string | number | boolean | string[] | number[] | boolean[] | undefined;
validOptions?: readonly number[] | readonly string[] | undefined;
validate?: ((v: unknown) => v is string | number | boolean | string[] | number[] | boolean[]) | undefined;
description?: string | undefined;
short?: string | undefined;
delim?: string | undefined;
multiple?: boolean | undefined;
type: ConfigType;
};
};
/**
* Custom printer for `util.inspect`
*/
[inspect.custom](_: number, options: InspectOptions): string;
}
/**
* Main entry point. Create and return a {@link Jack} object.
*/
export declare const jack: (options?: JackOptions) => Jack<{}>;
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{"version":3,"file":"parse-args-cjs.cjs","sourceRoot":"","sources":["../../src/parse-args-cjs.cts"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;AAAA,2CAA4B;AAE5B,MAAM,EAAE,GACN,CACE,OAAO,OAAO,KAAK,QAAQ;IAC3B,CAAC,CAAC,OAAO;IACT,OAAO,OAAO,CAAC,OAAO,KAAK,QAAQ,CACpC,CAAC,CAAC;IACD,OAAO,CAAC,OAAO;IACjB,CAAC,CAAC,QAAQ,CAAA;AACZ,MAAM,GAAG,GAAG,EAAE;KACX,OAAO,CAAC,IAAI,EAAE,EAAE,CAAC;KACjB,KAAK,CAAC,GAAG,CAAC;KACV,GAAG,CAAC,CAAC,CAAC,EAAE,CAAC,QAAQ,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,CAAA;AAE5B,qBAAqB;AACrB,MAAM,CAAC,KAAK,GAAG,CAAC,EAAE,KAAK,GAAG,CAAC,CAAC,GAAG,GAAG,CAAA;AAClC,oBAAoB;AAEpB,IAAI,EAAE,SAAS,EAAE,EAAE,EAAE,GAAG,IAAI,CAAA;AAC5B,qBAAqB;AACrB,IACE,CAAC,EAAE;IACH,KAAK,GAAG,EAAE;IACV,CAAC,KAAK,KAAK,EAAE,IAAI,KAAK,GAAG,EAAE,CAAC;IAC5B,CAAC,KAAK,KAAK,EAAE,IAAI,KAAK,GAAG,EAAE,CAAC,EAC5B,CAAC;IACD,oBAAoB;IACpB,EAAE,GAAG,OAAO,CAAC,kBAAkB,CAAC,CAAC,SAAS,CAAA;AAC5C,CAAC;AAEY,QAAA,SAAS,GAAG,EAAE,CAAA","sourcesContent":["import * as util from 'util'\n\nconst pv =\n (\n typeof process === 'object' &&\n !!process &&\n typeof process.version === 'string'\n ) ?\n process.version\n : 'v0.0.0'\nconst pvs = pv\n .replace(/^v/, '')\n .split('.')\n .map(s => parseInt(s, 10))\n\n/* c8 ignore start */\nconst [major = 0, minor = 0] = pvs\n/* c8 ignore stop */\n\nlet { parseArgs: pa } = util\n/* c8 ignore start */\nif (\n !pa ||\n major < 16 ||\n (major === 18 && minor < 11) ||\n (major === 16 && minor < 19)\n) {\n /* c8 ignore stop */\n pa = require('@pkgjs/parseargs').parseArgs\n}\n\nexport const parseArgs = pa\n"]}

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@@ -0,0 +1 @@
{"version":3,"file":"parse-args-cjs.d.cts","sourceRoot":"","sources":["../../src/parse-args-cjs.cts"],"names":[],"mappings":";AAAA,OAAO,KAAK,IAAI,MAAM,MAAM,CAAA;AA+B5B,eAAO,MAAM,SAAS,uBAAK,CAAA"}

View File

@@ -0,0 +1,4 @@
/// <reference types="node" />
import * as util from 'util';
export declare const parseArgs: typeof util.parseArgs;
//# sourceMappingURL=parse-args-cjs.d.cts.map

View File

@@ -0,0 +1,50 @@
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseArgs = void 0;
const util = __importStar(require("util"));
const pv = (typeof process === 'object' &&
!!process &&
typeof process.version === 'string') ?
process.version
: 'v0.0.0';
const pvs = pv
.replace(/^v/, '')
.split('.')
.map(s => parseInt(s, 10));
/* c8 ignore start */
const [major = 0, minor = 0] = pvs;
/* c8 ignore stop */
let { parseArgs: pa } = util;
/* c8 ignore start */
if (!pa ||
major < 16 ||
(major === 18 && minor < 11) ||
(major === 16 && minor < 19)) {
/* c8 ignore stop */
pa = require('@pkgjs/parseargs').parseArgs;
}
exports.parseArgs = pa;
//# sourceMappingURL=parse-args-cjs.cjs.map

View File

@@ -0,0 +1,315 @@
/// <reference types="node" resolution-mode="require"/>
export type ConfigType = 'number' | 'string' | 'boolean';
/**
* Given a Jack object, get the typeof its ConfigSet
*/
export type Unwrap<J> = J extends Jack<infer C> ? C : never;
import { inspect, InspectOptions } from 'node:util';
/**
* Defines the type of value that is valid, given a config definition's
* {@link ConfigType} and boolean multiple setting
*/
export type ValidValue<T extends ConfigType = ConfigType, M extends boolean = boolean> = [
T,
M
] extends ['number', true] ? number[] : [T, M] extends ['string', true] ? string[] : [T, M] extends ['boolean', true] ? boolean[] : [T, M] extends ['number', false] ? number : [T, M] extends ['string', false] ? string : [T, M] extends ['boolean', false] ? boolean : [T, M] extends ['string', boolean] ? string | string[] : [T, M] extends ['boolean', boolean] ? boolean | boolean[] : [T, M] extends ['number', boolean] ? number | number[] : [T, M] extends [ConfigType, false] ? string | number | boolean : [T, M] extends [ConfigType, true] ? string[] | number[] | boolean[] : string | number | boolean | string[] | number[] | boolean[];
/**
* The meta information for a config option definition, when the
* type and multiple values can be inferred by the method being used
*/
export type ConfigOptionMeta<T extends ConfigType, M extends boolean = boolean, O extends undefined | (T extends 'boolean' ? never : T extends 'string' ? readonly string[] : T extends 'number' ? readonly number[] : readonly number[] | readonly string[]) = undefined | (T extends 'boolean' ? never : T extends 'string' ? readonly string[] : T extends 'number' ? readonly number[] : readonly number[] | readonly string[])> = {
default?: undefined | (ValidValue<T, M> & (O extends number[] | string[] ? M extends false ? O[number] : O[number][] : unknown));
validOptions?: O;
description?: string;
validate?: ((v: unknown) => v is ValidValue<T, M>) | ((v: unknown) => boolean);
short?: string | undefined;
type?: T;
hint?: T extends 'boolean' ? never : string;
delim?: M extends true ? string : never;
} & (M extends false ? {
multiple?: false | undefined;
} : M extends true ? {
multiple: true;
} : {
multiple?: boolean;
});
/**
* A set of {@link ConfigOptionMeta} fields, referenced by their longOption
* string values.
*/
export type ConfigMetaSet<T extends ConfigType, M extends boolean = boolean> = {
[longOption: string]: ConfigOptionMeta<T, M>;
};
/**
* Infer {@link ConfigSet} fields from a given {@link ConfigMetaSet}
*/
export type ConfigSetFromMetaSet<T extends ConfigType, M extends boolean, S extends ConfigMetaSet<T, M>> = {
[longOption in keyof S]: ConfigOptionBase<T, M>;
};
/**
* Fields that can be set on a {@link ConfigOptionBase} or
* {@link ConfigOptionMeta} based on whether or not the field is known to be
* multiple.
*/
export type MultiType<M extends boolean> = M extends true ? {
multiple: true;
delim?: string | undefined;
} : M extends false ? {
multiple?: false | undefined;
delim?: undefined;
} : {
multiple?: boolean | undefined;
delim?: string | undefined;
};
/**
* A config field definition, in its full representation.
*/
export type ConfigOptionBase<T extends ConfigType, M extends boolean = boolean> = {
type: T;
short?: string | undefined;
default?: ValidValue<T, M> | undefined;
description?: string;
hint?: T extends 'boolean' ? undefined : string | undefined;
validate?: (v: unknown) => v is ValidValue<T, M>;
validOptions?: T extends 'boolean' ? undefined : T extends 'string' ? readonly string[] : T extends 'number' ? readonly number[] : readonly number[] | readonly string[];
} & MultiType<M>;
export declare const isConfigType: (t: string) => t is ConfigType;
export declare const isConfigOption: <T extends ConfigType, M extends boolean>(o: any, type: T, multi: M) => o is ConfigOptionBase<T, M>;
/**
* A set of {@link ConfigOptionBase} objects, referenced by their longOption
* string values.
*/
export type ConfigSet = {
[longOption: string]: ConfigOptionBase<ConfigType>;
};
/**
* The 'values' field returned by {@link Jack#parse}
*/
export type OptionsResults<T extends ConfigSet> = {
[k in keyof T]?: T[k]['validOptions'] extends (readonly string[] | readonly number[]) ? T[k] extends ConfigOptionBase<'string' | 'number', false> ? T[k]['validOptions'][number] : T[k] extends ConfigOptionBase<'string' | 'number', true> ? T[k]['validOptions'][number][] : never : T[k] extends ConfigOptionBase<'string', false> ? string : T[k] extends ConfigOptionBase<'string', true> ? string[] : T[k] extends ConfigOptionBase<'number', false> ? number : T[k] extends ConfigOptionBase<'number', true> ? number[] : T[k] extends ConfigOptionBase<'boolean', false> ? boolean : T[k] extends ConfigOptionBase<'boolean', true> ? boolean[] : never;
};
/**
* The object retured by {@link Jack#parse}
*/
export type Parsed<T extends ConfigSet> = {
values: OptionsResults<T>;
positionals: string[];
};
/**
* A row used when generating the {@link Jack#usage} string
*/
export interface Row {
left?: string;
text: string;
skipLine?: boolean;
type?: string;
}
/**
* A heading for a section in the usage, created by the jack.heading()
* method.
*
* First heading is always level 1, subsequent headings default to 2.
*
* The level of the nearest heading level sets the indentation of the
* description that follows.
*/
export interface Heading extends Row {
type: 'heading';
text: string;
left?: '';
skipLine?: boolean;
level: number;
pre?: boolean;
}
/**
* An arbitrary blob of text describing some stuff, set by the
* jack.description() method.
*
* Indentation determined by level of the nearest header.
*/
export interface Description extends Row {
type: 'description';
text: string;
left?: '';
skipLine?: boolean;
pre?: boolean;
}
/**
* A heading or description row used when generating the {@link Jack#usage}
* string
*/
export type TextRow = Heading | Description;
/**
* Either a {@link TextRow} or a reference to a {@link ConfigOptionBase}
*/
export type UsageField = TextRow | {
type: 'config';
name: string;
value: ConfigOptionBase<ConfigType>;
};
/**
* Options provided to the {@link Jack} constructor
*/
export interface JackOptions {
/**
* Whether to allow positional arguments
*
* @default true
*/
allowPositionals?: boolean;
/**
* Prefix to use when reading/writing the environment variables
*
* If not specified, environment behavior will not be available.
*/
envPrefix?: string;
/**
* Environment object to read/write. Defaults `process.env`.
* No effect if `envPrefix` is not set.
*/
env?: {
[k: string]: string | undefined;
};
/**
* A short usage string. If not provided, will be generated from the
* options provided, but that can of course be rather verbose if
* there are a lot of options.
*/
usage?: string;
/**
* Stop parsing flags and opts at the first positional argument.
* This is to support cases like `cmd [flags] <subcmd> [options]`, where
* each subcommand may have different options. This effectively treats
* any positional as a `--` argument. Only relevant if `allowPositionals`
* is true.
*
* To do subcommands, set this option, look at the first positional, and
* parse the remaining positionals as appropriate.
*
* @default false
*/
stopAtPositional?: boolean;
/**
* Conditional `stopAtPositional`. If set to a `(string)=>boolean` function,
* will be called with each positional argument encountered. If the function
* returns true, then parsing will stop at that point.
*/
stopAtPositionalTest?: (arg: string) => boolean;
}
/**
* Class returned by the {@link jack} function and all configuration
* definition methods. This is what gets chained together.
*/
export declare class Jack<C extends ConfigSet = {}> {
#private;
constructor(options?: JackOptions);
/**
* Set the default value (which will still be overridden by env or cli)
* as if from a parsed config file. The optional `source` param, if
* provided, will be included in error messages if a value is invalid or
* unknown.
*/
setConfigValues(values: OptionsResults<C>, source?: string): this;
/**
* Parse a string of arguments, and return the resulting
* `{ values, positionals }` object.
*
* If an {@link JackOptions#envPrefix} is set, then it will read default
* values from the environment, and write the resulting values back
* to the environment as well.
*
* Environment values always take precedence over any other value, except
* an explicit CLI setting.
*/
parse(args?: string[]): Parsed<C>;
loadEnvDefaults(): void;
applyDefaults(p: Parsed<C>): void;
/**
* Only parse the command line arguments passed in.
* Does not strip off the `node script.js` bits, so it must be just the
* arguments you wish to have parsed.
* Does not read from or write to the environment, or set defaults.
*/
parseRaw(args: string[]): Parsed<C>;
/**
* Validate that any arbitrary object is a valid configuration `values`
* object. Useful when loading config files or other sources.
*/
validate(o: unknown): asserts o is Parsed<C>['values'];
writeEnv(p: Parsed<C>): void;
/**
* Add a heading to the usage output banner
*/
heading(text: string, level?: 1 | 2 | 3 | 4 | 5 | 6, { pre }?: {
pre?: boolean;
}): Jack<C>;
/**
* Add a long-form description to the usage output at this position.
*/
description(text: string, { pre }?: {
pre?: boolean;
}): Jack<C>;
/**
* Add one or more number fields.
*/
num<F extends ConfigMetaSet<'number', false>>(fields: F): Jack<C & ConfigSetFromMetaSet<'number', false, F>>;
/**
* Add one or more multiple number fields.
*/
numList<F extends ConfigMetaSet<'number'>>(fields: F): Jack<C & ConfigSetFromMetaSet<'number', true, F>>;
/**
* Add one or more string option fields.
*/
opt<F extends ConfigMetaSet<'string', false>>(fields: F): Jack<C & ConfigSetFromMetaSet<'string', false, F>>;
/**
* Add one or more multiple string option fields.
*/
optList<F extends ConfigMetaSet<'string'>>(fields: F): Jack<C & ConfigSetFromMetaSet<'string', true, F>>;
/**
* Add one or more flag fields.
*/
flag<F extends ConfigMetaSet<'boolean', false>>(fields: F): Jack<C & ConfigSetFromMetaSet<'boolean', false, F>>;
/**
* Add one or more multiple flag fields.
*/
flagList<F extends ConfigMetaSet<'boolean'>>(fields: F): Jack<C & ConfigSetFromMetaSet<'boolean', true, F>>;
/**
* Generic field definition method. Similar to flag/flagList/number/etc,
* but you must specify the `type` (and optionally `multiple` and `delim`)
* fields on each one, or Jack won't know how to define them.
*/
addFields<F extends ConfigSet>(fields: F): Jack<C & F>;
/**
* Return the usage banner for the given configuration
*/
usage(): string;
/**
* Return the usage banner markdown for the given configuration
*/
usageMarkdown(): string;
/**
* Return the configuration options as a plain object
*/
toJSON(): {
[k: string]: {
hint?: string | undefined;
default?: string | number | boolean | string[] | number[] | boolean[] | undefined;
validOptions?: readonly number[] | readonly string[] | undefined;
validate?: ((v: unknown) => v is string | number | boolean | string[] | number[] | boolean[]) | undefined;
description?: string | undefined;
short?: string | undefined;
delim?: string | undefined;
multiple?: boolean | undefined;
type: ConfigType;
};
};
/**
* Custom printer for `util.inspect`
*/
[inspect.custom](_: number, options: InspectOptions): string;
}
/**
* Main entry point. Create and return a {@link Jack} object.
*/
export declare const jack: (options?: JackOptions) => Jack<{}>;
//# sourceMappingURL=index.d.ts.map

File diff suppressed because one or more lines are too long

View File

@@ -788,4 +788,213 @@ export class Jack {
* Return the usage banner markdown for the given configuration
*/
usageMarkdown() {
if (this.#usageM
if (this.#usageMarkdown)
return this.#usageMarkdown;
const out = [];
let headingLevel = 1;
const first = this.#fields[0];
let start = first?.type === 'heading' ? 1 : 0;
if (first?.type === 'heading') {
out.push(`# ${normalizeOneLine(first.text)}`);
}
out.push('Usage:');
if (this.#options.usage) {
out.push(normalizeMarkdown(this.#options.usage, true));
}
else {
const cmd = basename(String(process.argv[1]));
const shortFlags = [];
const shorts = [];
const flags = [];
const opts = [];
for (const [field, config] of Object.entries(this.#configSet)) {
if (config.short) {
if (config.type === 'boolean')
shortFlags.push(config.short);
else
shorts.push([config.short, config.hint || field]);
}
else {
if (config.type === 'boolean')
flags.push(field);
else
opts.push([field, config.hint || field]);
}
}
const sf = shortFlags.length ? ' -' + shortFlags.join('') : '';
const so = shorts.map(([k, v]) => ` --${k}=<${v}>`).join('');
const lf = flags.map(k => ` --${k}`).join('');
const lo = opts.map(([k, v]) => ` --${k}=<${v}>`).join('');
const usage = `${cmd}${sf}${so}${lf}${lo}`.trim();
out.push(normalizeMarkdown(usage, true));
}
const maybeDesc = this.#fields[start];
if (maybeDesc && isDescription(maybeDesc)) {
out.push(normalizeMarkdown(maybeDesc.text, maybeDesc.pre));
start++;
}
const { rows } = this.#usageRows(start);
// heading level in markdown is number of # ahead of text
for (const row of rows) {
if (row.left) {
out.push('#'.repeat(headingLevel + 1) +
' ' +
normalizeOneLine(row.left, true));
if (row.text)
out.push(normalizeMarkdown(row.text));
}
else if (isHeading(row)) {
const { level } = row;
headingLevel = level;
out.push(`${'#'.repeat(headingLevel)} ${normalizeOneLine(row.text, row.pre)}`);
}
else {
out.push(normalizeMarkdown(row.text, !!row.pre));
}
}
return (this.#usageMarkdown = out.join('\n\n') + '\n');
}
#usageRows(start) {
// turn each config type into a row, and figure out the width of the
// left hand indentation for the option descriptions.
let maxMax = Math.max(12, Math.min(26, Math.floor(width / 3)));
let maxWidth = 8;
let prev = undefined;
const rows = [];
for (const field of this.#fields.slice(start)) {
if (field.type !== 'config') {
if (prev?.type === 'config')
prev.skipLine = true;
prev = undefined;
field.text = normalize(field.text, !!field.pre);
rows.push(field);
continue;
}
const { value } = field;
const desc = value.description || '';
const mult = value.multiple ? 'Can be set multiple times' : '';
const opts = value.validOptions?.length ?
`Valid options:${value.validOptions.map(v => ` ${JSON.stringify(v)}`)}`
: '';
const dmDelim = desc.includes('\n') ? '\n\n' : '\n';
const extra = [opts, mult].join(dmDelim).trim();
const text = (normalize(desc) + dmDelim + extra).trim();
const hint = value.hint ||
(value.type === 'number' ? 'n'
: value.type === 'string' ? field.name
: undefined);
const short = !value.short ? ''
: value.type === 'boolean' ? `-${value.short} `
: `-${value.short}<${hint}> `;
const left = value.type === 'boolean' ?
`${short}--${field.name}`
: `${short}--${field.name}=<${hint}>`;
const row = { text, left, type: 'config' };
if (text.length > width - maxMax) {
row.skipLine = true;
}
if (prev && left.length > maxMax)
prev.skipLine = true;
prev = row;
const len = left.length + 4;
if (len > maxWidth && len < maxMax) {
maxWidth = len;
}
rows.push(row);
}
return { rows, maxWidth };
}
/**
* Return the configuration options as a plain object
*/
toJSON() {
return Object.fromEntries(Object.entries(this.#configSet).map(([field, def]) => [
field,
{
type: def.type,
...(def.multiple ? { multiple: true } : {}),
...(def.delim ? { delim: def.delim } : {}),
...(def.short ? { short: def.short } : {}),
...(def.description ?
{ description: normalize(def.description) }
: {}),
...(def.validate ? { validate: def.validate } : {}),
...(def.validOptions ? { validOptions: def.validOptions } : {}),
...(def.default !== undefined ? { default: def.default } : {}),
...(def.hint ? { hint: def.hint } : {}),
},
]));
}
/**
* Custom printer for `util.inspect`
*/
[inspect.custom](_, options) {
return `Jack ${inspect(this.toJSON(), options)}`;
}
}
// Unwrap and un-indent, so we can wrap description
// strings however makes them look nice in the code.
const normalize = (s, pre = false) => {
if (pre)
// prepend a ZWSP to each line so cliui doesn't strip it.
return s
.split('\n')
.map(l => `\u200b${l}`)
.join('\n');
return s
.split(/^\s*```\s*$/gm)
.map((s, i) => {
if (i % 2 === 1) {
if (!s.trim()) {
return `\`\`\`\n\`\`\`\n`;
}
// outdent the ``` blocks, but preserve whitespace otherwise.
const split = s.split('\n');
// throw out the \n at the start and end
split.pop();
split.shift();
const si = split.reduce((shortest, l) => {
/* c8 ignore next */
const ind = l.match(/^\s*/)?.[0] ?? '';
if (ind.length)
return Math.min(ind.length, shortest);
else
return shortest;
}, Infinity);
/* c8 ignore next */
const i = isFinite(si) ? si : 0;
return ('\n```\n' +
split.map(s => `\u200b${s.substring(i)}`).join('\n') +
'\n```\n');
}
return (s
// remove single line breaks, except for lists
.replace(/([^\n])\n[ \t]*([^\n])/g, (_, $1, $2) => !/^[-*]/.test($2) ? `${$1} ${$2}` : `${$1}\n${$2}`)
// normalize mid-line whitespace
.replace(/([^\n])[ \t]+([^\n])/g, '$1 $2')
// two line breaks are enough
.replace(/\n{3,}/g, '\n\n')
// remove any spaces at the start of a line
.replace(/\n[ \t]+/g, '\n')
.trim());
})
.join('\n');
};
// normalize for markdown printing, remove leading spaces on lines
const normalizeMarkdown = (s, pre = false) => {
const n = normalize(s, pre).replace(/\\/g, '\\\\');
return pre ?
`\`\`\`\n${n.replace(/\u200b/g, '')}\n\`\`\``
: n.replace(/\n +/g, '\n').trim();
};
const normalizeOneLine = (s, pre = false) => {
const n = normalize(s, pre)
.replace(/[\s\u200b]+/g, ' ')
.trim();
return pre ? `\`${n}\`` : n;
};
/**
* Main entry point. Create and return a {@link Jack} object.
*/
export const jack = (options = {}) => new Jack(options);
//# sourceMappingURL=index.js.map

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{
"type": "module"
}

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@@ -0,0 +1,4 @@
/// <reference types="node" resolution-mode="require"/>
import * as util from 'util';
export declare const parseArgs: typeof util.parseArgs;
//# sourceMappingURL=parse-args.d.ts.map

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@@ -0,0 +1 @@
{"version":3,"file":"parse-args.d.ts","sourceRoot":"","sources":["../../src/parse-args.ts"],"names":[],"mappings":";AAAA,OAAO,KAAK,IAAI,MAAM,MAAM,CAAA;AAoC5B,eAAO,MAAM,SAAS,uBAA6C,CAAA"}

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@@ -0,0 +1,26 @@
import * as util from 'util';
const pv = (typeof process === 'object' &&
!!process &&
typeof process.version === 'string') ?
process.version
: 'v0.0.0';
const pvs = pv
.replace(/^v/, '')
.split('.')
.map(s => parseInt(s, 10));
/* c8 ignore start */
const [major = 0, minor = 0] = pvs;
/* c8 ignore stop */
let { parseArgs: pa, } = util;
/* c8 ignore start - version specific */
if (!pa ||
major < 16 ||
(major === 18 && minor < 11) ||
(major === 16 && minor < 19)) {
// Ignore because we will clobber it for commonjs
//@ts-ignore
pa = (await import('@pkgjs/parseargs')).parseArgs;
}
/* c8 ignore stop */
export const parseArgs = pa;
//# sourceMappingURL=parse-args.js.map

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@@ -0,0 +1 @@
{"version":3,"file":"parse-args.js","sourceRoot":"","sources":["../../src/parse-args.ts"],"names":[],"mappings":"AAAA,OAAO,KAAK,IAAI,MAAM,MAAM,CAAA;AAE5B,MAAM,EAAE,GACN,CACE,OAAO,OAAO,KAAK,QAAQ;IAC3B,CAAC,CAAC,OAAO;IACT,OAAO,OAAO,CAAC,OAAO,KAAK,QAAQ,CACpC,CAAC,CAAC;IACD,OAAO,CAAC,OAAO;IACjB,CAAC,CAAC,QAAQ,CAAA;AACZ,MAAM,GAAG,GAAG,EAAE;KACX,OAAO,CAAC,IAAI,EAAE,EAAE,CAAC;KACjB,KAAK,CAAC,GAAG,CAAC;KACV,GAAG,CAAC,CAAC,CAAC,EAAE,CAAC,QAAQ,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,CAAA;AAE5B,qBAAqB;AACrB,MAAM,CAAC,KAAK,GAAG,CAAC,EAAE,KAAK,GAAG,CAAC,CAAC,GAAG,GAAG,CAAA;AAClC,oBAAoB;AAEpB,IAAI,EACF,SAAS,EAAE,EAAE,GACd,GAA8D,IAAI,CAAA;AAEnE,wCAAwC;AACxC,IACE,CAAC,EAAE;IACH,KAAK,GAAG,EAAE;IACV,CAAC,KAAK,KAAK,EAAE,IAAI,KAAK,GAAG,EAAE,CAAC;IAC5B,CAAC,KAAK,KAAK,EAAE,IAAI,KAAK,GAAG,EAAE,CAAC,EAC5B,CAAC;IACD,iDAAiD;IACjD,YAAY;IACZ,EAAE,GAAG,CAAC,MAAM,MAAM,CAAC,kBAAkB,CAAC,CAAC,CAAC,SAAS,CAAA;AACnD,CAAC;AACD,oBAAoB;AAEpB,MAAM,CAAC,MAAM,SAAS,GAAG,EAA0C,CAAA","sourcesContent":["import * as util from 'util'\n\nconst pv =\n (\n typeof process === 'object' &&\n !!process &&\n typeof process.version === 'string'\n ) ?\n process.version\n : 'v0.0.0'\nconst pvs = pv\n .replace(/^v/, '')\n .split('.')\n .map(s => parseInt(s, 10))\n\n/* c8 ignore start */\nconst [major = 0, minor = 0] = pvs\n/* c8 ignore stop */\n\nlet {\n parseArgs: pa,\n}: typeof import('util') | typeof import('@pkgjs/parseargs') = util\n\n/* c8 ignore start - version specific */\nif (\n !pa ||\n major < 16 ||\n (major === 18 && minor < 11) ||\n (major === 16 && minor < 19)\n) {\n // Ignore because we will clobber it for commonjs\n //@ts-ignore\n pa = (await import('@pkgjs/parseargs')).parseArgs\n}\n/* c8 ignore stop */\n\nexport const parseArgs = pa as (typeof import('util'))['parseArgs']\n"]}

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@@ -0,0 +1,14 @@
Copyright (c) 2015, Contributors
Permission to use, copy, modify, and/or distribute this software
for any purpose with or without fee is hereby granted, provided
that the above copyright notice and this permission notice
appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE
LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

View File

@@ -0,0 +1,143 @@
# @isaacs/cliui
Temporary fork of [cliui](http://npm.im/cliui).
![ci](https://github.com/yargs/cliui/workflows/ci/badge.svg)
[![NPM version](https://img.shields.io/npm/v/cliui.svg)](https://www.npmjs.com/package/cliui)
[![Conventional Commits](https://img.shields.io/badge/Conventional%20Commits-1.0.0-yellow.svg)](https://conventionalcommits.org)
![nycrc config on GitHub](https://img.shields.io/nycrc/yargs/cliui)
easily create complex multi-column command-line-interfaces.
## Example
```js
const ui = require('cliui')()
ui.div('Usage: $0 [command] [options]')
ui.div({
text: 'Options:',
padding: [2, 0, 1, 0]
})
ui.div(
{
text: "-f, --file",
width: 20,
padding: [0, 4, 0, 4]
},
{
text: "the file to load." +
chalk.green("(if this description is long it wraps).")
,
width: 20
},
{
text: chalk.red("[required]"),
align: 'right'
}
)
console.log(ui.toString())
```
## Deno/ESM Support
As of `v7` `cliui` supports [Deno](https://github.com/denoland/deno) and
[ESM](https://nodejs.org/api/esm.html#esm_ecmascript_modules):
```typescript
import cliui from "https://deno.land/x/cliui/deno.ts";
const ui = cliui({})
ui.div('Usage: $0 [command] [options]')
ui.div({
text: 'Options:',
padding: [2, 0, 1, 0]
})
ui.div({
text: "-f, --file",
width: 20,
padding: [0, 4, 0, 4]
})
console.log(ui.toString())
```
<img width="500" src="screenshot.png">
## Layout DSL
cliui exposes a simple layout DSL:
If you create a single `ui.div`, passing a string rather than an
object:
* `\n`: characters will be interpreted as new rows.
* `\t`: characters will be interpreted as new columns.
* `\s`: characters will be interpreted as padding.
**as an example...**
```js
var ui = require('./')({
width: 60
})
ui.div(
'Usage: node ./bin/foo.js\n' +
' <regex>\t provide a regex\n' +
' <glob>\t provide a glob\t [required]'
)
console.log(ui.toString())
```
**will output:**
```shell
Usage: node ./bin/foo.js
<regex> provide a regex
<glob> provide a glob [required]
```
## Methods
```js
cliui = require('cliui')
```
### cliui({width: integer})
Specify the maximum width of the UI being generated.
If no width is provided, cliui will try to get the current window's width and use it, and if that doesn't work, width will be set to `80`.
### cliui({wrap: boolean})
Enable or disable the wrapping of text in a column.
### cliui.div(column, column, column)
Create a row with any number of columns, a column
can either be a string, or an object with the following
options:
* **text:** some text to place in the column.
* **width:** the width of a column.
* **align:** alignment, `right` or `center`.
* **padding:** `[top, right, bottom, left]`.
* **border:** should a border be placed around the div?
### cliui.span(column, column, column)
Similar to `div`, except the next row will be appended without
a new line being created.
### cliui.resetOutput()
Resets the UI elements of the current cliui instance, maintaining the values
set for `width` and `wrap`.

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@@ -0,0 +1,317 @@
'use strict';
const align = {
right: alignRight,
center: alignCenter
};
const top = 0;
const right = 1;
const bottom = 2;
const left = 3;
class UI {
constructor(opts) {
var _a;
this.width = opts.width;
/* c8 ignore start */
this.wrap = (_a = opts.wrap) !== null && _a !== void 0 ? _a : true;
/* c8 ignore stop */
this.rows = [];
}
span(...args) {
const cols = this.div(...args);
cols.span = true;
}
resetOutput() {
this.rows = [];
}
div(...args) {
if (args.length === 0) {
this.div('');
}
if (this.wrap && this.shouldApplyLayoutDSL(...args) && typeof args[0] === 'string') {
return this.applyLayoutDSL(args[0]);
}
const cols = args.map(arg => {
if (typeof arg === 'string') {
return this.colFromString(arg);
}
return arg;
});
this.rows.push(cols);
return cols;
}
shouldApplyLayoutDSL(...args) {
return args.length === 1 && typeof args[0] === 'string' &&
/[\t\n]/.test(args[0]);
}
applyLayoutDSL(str) {
const rows = str.split('\n').map(row => row.split('\t'));
let leftColumnWidth = 0;
// simple heuristic for layout, make sure the
// second column lines up along the left-hand.
// don't allow the first column to take up more
// than 50% of the screen.
rows.forEach(columns => {
if (columns.length > 1 && mixin.stringWidth(columns[0]) > leftColumnWidth) {
leftColumnWidth = Math.min(Math.floor(this.width * 0.5), mixin.stringWidth(columns[0]));
}
});
// generate a table:
// replacing ' ' with padding calculations.
// using the algorithmically generated width.
rows.forEach(columns => {
this.div(...columns.map((r, i) => {
return {
text: r.trim(),
padding: this.measurePadding(r),
width: (i === 0 && columns.length > 1) ? leftColumnWidth : undefined
};
}));
});
return this.rows[this.rows.length - 1];
}
colFromString(text) {
return {
text,
padding: this.measurePadding(text)
};
}
measurePadding(str) {
// measure padding without ansi escape codes
const noAnsi = mixin.stripAnsi(str);
return [0, noAnsi.match(/\s*$/)[0].length, 0, noAnsi.match(/^\s*/)[0].length];
}
toString() {
const lines = [];
this.rows.forEach(row => {
this.rowToString(row, lines);
});
// don't display any lines with the
// hidden flag set.
return lines
.filter(line => !line.hidden)
.map(line => line.text)
.join('\n');
}
rowToString(row, lines) {
this.rasterize(row).forEach((rrow, r) => {
let str = '';
rrow.forEach((col, c) => {
const { width } = row[c]; // the width with padding.
const wrapWidth = this.negatePadding(row[c]); // the width without padding.
let ts = col; // temporary string used during alignment/padding.
if (wrapWidth > mixin.stringWidth(col)) {
ts += ' '.repeat(wrapWidth - mixin.stringWidth(col));
}
// align the string within its column.
if (row[c].align && row[c].align !== 'left' && this.wrap) {
const fn = align[row[c].align];
ts = fn(ts, wrapWidth);
if (mixin.stringWidth(ts) < wrapWidth) {
/* c8 ignore start */
const w = width || 0;
/* c8 ignore stop */
ts += ' '.repeat(w - mixin.stringWidth(ts) - 1);
}
}
// apply border and padding to string.
const padding = row[c].padding || [0, 0, 0, 0];
if (padding[left]) {
str += ' '.repeat(padding[left]);
}
str += addBorder(row[c], ts, '| ');
str += ts;
str += addBorder(row[c], ts, ' |');
if (padding[right]) {
str += ' '.repeat(padding[right]);
}
// if prior row is span, try to render the
// current row on the prior line.
if (r === 0 && lines.length > 0) {
str = this.renderInline(str, lines[lines.length - 1]);
}
});
// remove trailing whitespace.
lines.push({
text: str.replace(/ +$/, ''),
span: row.span
});
});
return lines;
}
// if the full 'source' can render in
// the target line, do so.
renderInline(source, previousLine) {
const match = source.match(/^ */);
/* c8 ignore start */
const leadingWhitespace = match ? match[0].length : 0;
/* c8 ignore stop */
const target = previousLine.text;
const targetTextWidth = mixin.stringWidth(target.trimEnd());
if (!previousLine.span) {
return source;
}
// if we're not applying wrapping logic,
// just always append to the span.
if (!this.wrap) {
previousLine.hidden = true;
return target + source;
}
if (leadingWhitespace < targetTextWidth) {
return source;
}
previousLine.hidden = true;
return target.trimEnd() + ' '.repeat(leadingWhitespace - targetTextWidth) + source.trimStart();
}
rasterize(row) {
const rrows = [];
const widths = this.columnWidths(row);
let wrapped;
// word wrap all columns, and create
// a data-structure that is easy to rasterize.
row.forEach((col, c) => {
// leave room for left and right padding.
col.width = widths[c];
if (this.wrap) {
wrapped = mixin.wrap(col.text, this.negatePadding(col), { hard: true }).split('\n');
}
else {
wrapped = col.text.split('\n');
}
if (col.border) {
wrapped.unshift('.' + '-'.repeat(this.negatePadding(col) + 2) + '.');
wrapped.push("'" + '-'.repeat(this.negatePadding(col) + 2) + "'");
}
// add top and bottom padding.
if (col.padding) {
wrapped.unshift(...new Array(col.padding[top] || 0).fill(''));
wrapped.push(...new Array(col.padding[bottom] || 0).fill(''));
}
wrapped.forEach((str, r) => {
if (!rrows[r]) {
rrows.push([]);
}
const rrow = rrows[r];
for (let i = 0; i < c; i++) {
if (rrow[i] === undefined) {
rrow.push('');
}
}
rrow.push(str);
});
});
return rrows;
}
negatePadding(col) {
/* c8 ignore start */
let wrapWidth = col.width || 0;
/* c8 ignore stop */
if (col.padding) {
wrapWidth -= (col.padding[left] || 0) + (col.padding[right] || 0);
}
if (col.border) {
wrapWidth -= 4;
}
return wrapWidth;
}
columnWidths(row) {
if (!this.wrap) {
return row.map(col => {
return col.width || mixin.stringWidth(col.text);
});
}
let unset = row.length;
let remainingWidth = this.width;
// column widths can be set in config.
const widths = row.map(col => {
if (col.width) {
unset--;
remainingWidth -= col.width;
return col.width;
}
return undefined;
});
// any unset widths should be calculated.
/* c8 ignore start */
const unsetWidth = unset ? Math.floor(remainingWidth / unset) : 0;
/* c8 ignore stop */
return widths.map((w, i) => {
if (w === undefined) {
return Math.max(unsetWidth, _minWidth(row[i]));
}
return w;
});
}
}
function addBorder(col, ts, style) {
if (col.border) {
if (/[.']-+[.']/.test(ts)) {
return '';
}
if (ts.trim().length !== 0) {
return style;
}
return ' ';
}
return '';
}
// calculates the minimum width of
// a column, based on padding preferences.
function _minWidth(col) {
const padding = col.padding || [];
const minWidth = 1 + (padding[left] || 0) + (padding[right] || 0);
if (col.border) {
return minWidth + 4;
}
return minWidth;
}
function getWindowWidth() {
/* c8 ignore start */
if (typeof process === 'object' && process.stdout && process.stdout.columns) {
return process.stdout.columns;
}
return 80;
}
/* c8 ignore stop */
function alignRight(str, width) {
str = str.trim();
const strWidth = mixin.stringWidth(str);
if (strWidth < width) {
return ' '.repeat(width - strWidth) + str;
}
return str;
}
function alignCenter(str, width) {
str = str.trim();
const strWidth = mixin.stringWidth(str);
/* c8 ignore start */
if (strWidth >= width) {
return str;
}
/* c8 ignore stop */
return ' '.repeat((width - strWidth) >> 1) + str;
}
let mixin;
function cliui(opts, _mixin) {
mixin = _mixin;
return new UI({
/* c8 ignore start */
width: (opts === null || opts === void 0 ? void 0 : opts.width) || getWindowWidth(),
wrap: opts === null || opts === void 0 ? void 0 : opts.wrap
/* c8 ignore stop */
});
}
// Bootstrap cliui with CommonJS dependencies:
const stringWidth = require('string-width-cjs');
const stripAnsi = require('strip-ansi-cjs');
const wrap = require('wrap-ansi-cjs');
function ui(opts) {
return cliui(opts, {
stringWidth,
stripAnsi,
wrap
});
}
module.exports = ui;

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@@ -0,0 +1,43 @@
interface UIOptions {
width: number;
wrap?: boolean;
rows?: string[];
}
interface Column {
text: string;
width?: number;
align?: "right" | "left" | "center";
padding: number[];
border?: boolean;
}
interface ColumnArray extends Array<Column> {
span: boolean;
}
interface Line {
hidden?: boolean;
text: string;
span?: boolean;
}
declare class UI {
width: number;
wrap: boolean;
rows: ColumnArray[];
constructor(opts: UIOptions);
span(...args: ColumnArray): void;
resetOutput(): void;
div(...args: (Column | string)[]): ColumnArray;
private shouldApplyLayoutDSL;
private applyLayoutDSL;
private colFromString;
private measurePadding;
toString(): string;
rowToString(row: ColumnArray, lines: Line[]): Line[];
// if the full 'source' can render in
// the target line, do so.
private renderInline;
private rasterize;
private negatePadding;
private columnWidths;
}
declare function ui(opts: UIOptions): UI;
export { ui as default };

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@@ -0,0 +1,302 @@
'use strict';
const align = {
right: alignRight,
center: alignCenter
};
const top = 0;
const right = 1;
const bottom = 2;
const left = 3;
export class UI {
constructor(opts) {
var _a;
this.width = opts.width;
/* c8 ignore start */
this.wrap = (_a = opts.wrap) !== null && _a !== void 0 ? _a : true;
/* c8 ignore stop */
this.rows = [];
}
span(...args) {
const cols = this.div(...args);
cols.span = true;
}
resetOutput() {
this.rows = [];
}
div(...args) {
if (args.length === 0) {
this.div('');
}
if (this.wrap && this.shouldApplyLayoutDSL(...args) && typeof args[0] === 'string') {
return this.applyLayoutDSL(args[0]);
}
const cols = args.map(arg => {
if (typeof arg === 'string') {
return this.colFromString(arg);
}
return arg;
});
this.rows.push(cols);
return cols;
}
shouldApplyLayoutDSL(...args) {
return args.length === 1 && typeof args[0] === 'string' &&
/[\t\n]/.test(args[0]);
}
applyLayoutDSL(str) {
const rows = str.split('\n').map(row => row.split('\t'));
let leftColumnWidth = 0;
// simple heuristic for layout, make sure the
// second column lines up along the left-hand.
// don't allow the first column to take up more
// than 50% of the screen.
rows.forEach(columns => {
if (columns.length > 1 && mixin.stringWidth(columns[0]) > leftColumnWidth) {
leftColumnWidth = Math.min(Math.floor(this.width * 0.5), mixin.stringWidth(columns[0]));
}
});
// generate a table:
// replacing ' ' with padding calculations.
// using the algorithmically generated width.
rows.forEach(columns => {
this.div(...columns.map((r, i) => {
return {
text: r.trim(),
padding: this.measurePadding(r),
width: (i === 0 && columns.length > 1) ? leftColumnWidth : undefined
};
}));
});
return this.rows[this.rows.length - 1];
}
colFromString(text) {
return {
text,
padding: this.measurePadding(text)
};
}
measurePadding(str) {
// measure padding without ansi escape codes
const noAnsi = mixin.stripAnsi(str);
return [0, noAnsi.match(/\s*$/)[0].length, 0, noAnsi.match(/^\s*/)[0].length];
}
toString() {
const lines = [];
this.rows.forEach(row => {
this.rowToString(row, lines);
});
// don't display any lines with the
// hidden flag set.
return lines
.filter(line => !line.hidden)
.map(line => line.text)
.join('\n');
}
rowToString(row, lines) {
this.rasterize(row).forEach((rrow, r) => {
let str = '';
rrow.forEach((col, c) => {
const { width } = row[c]; // the width with padding.
const wrapWidth = this.negatePadding(row[c]); // the width without padding.
let ts = col; // temporary string used during alignment/padding.
if (wrapWidth > mixin.stringWidth(col)) {
ts += ' '.repeat(wrapWidth - mixin.stringWidth(col));
}
// align the string within its column.
if (row[c].align && row[c].align !== 'left' && this.wrap) {
const fn = align[row[c].align];
ts = fn(ts, wrapWidth);
if (mixin.stringWidth(ts) < wrapWidth) {
/* c8 ignore start */
const w = width || 0;
/* c8 ignore stop */
ts += ' '.repeat(w - mixin.stringWidth(ts) - 1);
}
}
// apply border and padding to string.
const padding = row[c].padding || [0, 0, 0, 0];
if (padding[left]) {
str += ' '.repeat(padding[left]);
}
str += addBorder(row[c], ts, '| ');
str += ts;
str += addBorder(row[c], ts, ' |');
if (padding[right]) {
str += ' '.repeat(padding[right]);
}
// if prior row is span, try to render the
// current row on the prior line.
if (r === 0 && lines.length > 0) {
str = this.renderInline(str, lines[lines.length - 1]);
}
});
// remove trailing whitespace.
lines.push({
text: str.replace(/ +$/, ''),
span: row.span
});
});
return lines;
}
// if the full 'source' can render in
// the target line, do so.
renderInline(source, previousLine) {
const match = source.match(/^ */);
/* c8 ignore start */
const leadingWhitespace = match ? match[0].length : 0;
/* c8 ignore stop */
const target = previousLine.text;
const targetTextWidth = mixin.stringWidth(target.trimEnd());
if (!previousLine.span) {
return source;
}
// if we're not applying wrapping logic,
// just always append to the span.
if (!this.wrap) {
previousLine.hidden = true;
return target + source;
}
if (leadingWhitespace < targetTextWidth) {
return source;
}
previousLine.hidden = true;
return target.trimEnd() + ' '.repeat(leadingWhitespace - targetTextWidth) + source.trimStart();
}
rasterize(row) {
const rrows = [];
const widths = this.columnWidths(row);
let wrapped;
// word wrap all columns, and create
// a data-structure that is easy to rasterize.
row.forEach((col, c) => {
// leave room for left and right padding.
col.width = widths[c];
if (this.wrap) {
wrapped = mixin.wrap(col.text, this.negatePadding(col), { hard: true }).split('\n');
}
else {
wrapped = col.text.split('\n');
}
if (col.border) {
wrapped.unshift('.' + '-'.repeat(this.negatePadding(col) + 2) + '.');
wrapped.push("'" + '-'.repeat(this.negatePadding(col) + 2) + "'");
}
// add top and bottom padding.
if (col.padding) {
wrapped.unshift(...new Array(col.padding[top] || 0).fill(''));
wrapped.push(...new Array(col.padding[bottom] || 0).fill(''));
}
wrapped.forEach((str, r) => {
if (!rrows[r]) {
rrows.push([]);
}
const rrow = rrows[r];
for (let i = 0; i < c; i++) {
if (rrow[i] === undefined) {
rrow.push('');
}
}
rrow.push(str);
});
});
return rrows;
}
negatePadding(col) {
/* c8 ignore start */
let wrapWidth = col.width || 0;
/* c8 ignore stop */
if (col.padding) {
wrapWidth -= (col.padding[left] || 0) + (col.padding[right] || 0);
}
if (col.border) {
wrapWidth -= 4;
}
return wrapWidth;
}
columnWidths(row) {
if (!this.wrap) {
return row.map(col => {
return col.width || mixin.stringWidth(col.text);
});
}
let unset = row.length;
let remainingWidth = this.width;
// column widths can be set in config.
const widths = row.map(col => {
if (col.width) {
unset--;
remainingWidth -= col.width;
return col.width;
}
return undefined;
});
// any unset widths should be calculated.
/* c8 ignore start */
const unsetWidth = unset ? Math.floor(remainingWidth / unset) : 0;
/* c8 ignore stop */
return widths.map((w, i) => {
if (w === undefined) {
return Math.max(unsetWidth, _minWidth(row[i]));
}
return w;
});
}
}
function addBorder(col, ts, style) {
if (col.border) {
if (/[.']-+[.']/.test(ts)) {
return '';
}
if (ts.trim().length !== 0) {
return style;
}
return ' ';
}
return '';
}
// calculates the minimum width of
// a column, based on padding preferences.
function _minWidth(col) {
const padding = col.padding || [];
const minWidth = 1 + (padding[left] || 0) + (padding[right] || 0);
if (col.border) {
return minWidth + 4;
}
return minWidth;
}
function getWindowWidth() {
/* c8 ignore start */
if (typeof process === 'object' && process.stdout && process.stdout.columns) {
return process.stdout.columns;
}
return 80;
}
/* c8 ignore stop */
function alignRight(str, width) {
str = str.trim();
const strWidth = mixin.stringWidth(str);
if (strWidth < width) {
return ' '.repeat(width - strWidth) + str;
}
return str;
}
function alignCenter(str, width) {
str = str.trim();
const strWidth = mixin.stringWidth(str);
/* c8 ignore start */
if (strWidth >= width) {
return str;
}
/* c8 ignore stop */
return ' '.repeat((width - strWidth) >> 1) + str;
}
let mixin;
export function cliui(opts, _mixin) {
mixin = _mixin;
return new UI({
/* c8 ignore start */
width: (opts === null || opts === void 0 ? void 0 : opts.width) || getWindowWidth(),
wrap: opts === null || opts === void 0 ? void 0 : opts.wrap
/* c8 ignore stop */
});
}

View File

@@ -0,0 +1,14 @@
// Bootstrap cliui with ESM dependencies:
import { cliui } from './build/lib/index.js'
import stringWidth from 'string-width'
import stripAnsi from 'strip-ansi'
import wrap from 'wrap-ansi'
export default function ui (opts) {
return cliui(opts, {
stringWidth,
stripAnsi,
wrap
})
}

View File

@@ -0,0 +1,86 @@
{
"name": "@isaacs/cliui",
"version": "8.0.2",
"description": "easily create complex multi-column command-line-interfaces",
"main": "build/index.cjs",
"exports": {
".": [
{
"import": "./index.mjs",
"require": "./build/index.cjs"
},
"./build/index.cjs"
]
},
"type": "module",
"module": "./index.mjs",
"scripts": {
"check": "standardx '**/*.ts' && standardx '**/*.js' && standardx '**/*.cjs'",
"fix": "standardx --fix '**/*.ts' && standardx --fix '**/*.js' && standardx --fix '**/*.cjs'",
"pretest": "rimraf build && tsc -p tsconfig.test.json && cross-env NODE_ENV=test npm run build:cjs",
"test": "c8 mocha ./test/*.cjs",
"test:esm": "c8 mocha ./test/**/*.mjs",
"postest": "check",
"coverage": "c8 report --check-coverage",
"precompile": "rimraf build",
"compile": "tsc",
"postcompile": "npm run build:cjs",
"build:cjs": "rollup -c",
"prepare": "npm run compile"
},
"repository": "yargs/cliui",
"standard": {
"ignore": [
"**/example/**"
],
"globals": [
"it"
]
},
"keywords": [
"cli",
"command-line",
"layout",
"design",
"console",
"wrap",
"table"
],
"author": "Ben Coe <ben@npmjs.com>",
"license": "ISC",
"dependencies": {
"string-width": "^5.1.2",
"string-width-cjs": "npm:string-width@^4.2.0",
"strip-ansi": "^7.0.1",
"strip-ansi-cjs": "npm:strip-ansi@^6.0.1",
"wrap-ansi": "^8.1.0",
"wrap-ansi-cjs": "npm:wrap-ansi@^7.0.0"
},
"devDependencies": {
"@types/node": "^14.0.27",
"@typescript-eslint/eslint-plugin": "^4.0.0",
"@typescript-eslint/parser": "^4.0.0",
"c8": "^7.3.0",
"chai": "^4.2.0",
"chalk": "^4.1.0",
"cross-env": "^7.0.2",
"eslint": "^7.6.0",
"eslint-plugin-import": "^2.22.0",
"eslint-plugin-node": "^11.1.0",
"gts": "^3.0.0",
"mocha": "^10.0.0",
"rimraf": "^3.0.2",
"rollup": "^2.23.1",
"rollup-plugin-ts": "^3.0.2",
"standardx": "^7.0.0",
"typescript": "^4.0.0"
},
"files": [
"build",
"index.mjs",
"!*.d.ts"
],
"engines": {
"node": ">=12"
}
}

View File

@@ -0,0 +1,14 @@
# EditorConfig is awesome: http://EditorConfig.org
# top-most EditorConfig file
root = true
# Copied from Node.js to ease compatibility in PR.
[*]
charset = utf-8
end_of_line = lf
indent_size = 2
indent_style = space
insert_final_newline = true
trim_trailing_whitespace = true
quote_type = single

View File

@@ -0,0 +1,147 @@
# Changelog
## [0.11.0](https://github.com/pkgjs/parseargs/compare/v0.10.0...v0.11.0) (2022-10-08)
### Features
* add `default` option parameter ([#142](https://github.com/pkgjs/parseargs/issues/142)) ([cd20847](https://github.com/pkgjs/parseargs/commit/cd20847a00b2f556aa9c085ac83b942c60868ec1))
## [0.10.0](https://github.com/pkgjs/parseargs/compare/v0.9.1...v0.10.0) (2022-07-21)
### Features
* add parsed meta-data to returned properties ([#129](https://github.com/pkgjs/parseargs/issues/129)) ([91bfb4d](https://github.com/pkgjs/parseargs/commit/91bfb4d3f7b6937efab1b27c91c45d1205f1497e))
## [0.9.1](https://github.com/pkgjs/parseargs/compare/v0.9.0...v0.9.1) (2022-06-20)
### Bug Fixes
* **runtime:** support node 14+ ([#135](https://github.com/pkgjs/parseargs/issues/135)) ([6a1c5a6](https://github.com/pkgjs/parseargs/commit/6a1c5a6f7cadf2f035e004027e2742e3c4ce554b))
## [0.9.0](https://github.com/pkgjs/parseargs/compare/v0.8.0...v0.9.0) (2022-05-23)
### ⚠ BREAKING CHANGES
* drop handling of electron arguments (#121)
### Code Refactoring
* drop handling of electron arguments ([#121](https://github.com/pkgjs/parseargs/issues/121)) ([a2ffd53](https://github.com/pkgjs/parseargs/commit/a2ffd537c244a062371522b955acb45a404fc9f2))
## [0.8.0](https://github.com/pkgjs/parseargs/compare/v0.7.1...v0.8.0) (2022-05-16)
### ⚠ BREAKING CHANGES
* switch type:string option arguments to greedy, but with error for suspect cases in strict mode (#88)
* positionals now opt-in when strict:true (#116)
* create result.values with null prototype (#111)
### Features
* create result.values with null prototype ([#111](https://github.com/pkgjs/parseargs/issues/111)) ([9d539c3](https://github.com/pkgjs/parseargs/commit/9d539c3d57f269c160e74e0656ad4fa84ff92ec2))
* positionals now opt-in when strict:true ([#116](https://github.com/pkgjs/parseargs/issues/116)) ([3643338](https://github.com/pkgjs/parseargs/commit/364333826b746e8a7dc5505b4b22fd19ac51df3b))
* switch type:string option arguments to greedy, but with error for suspect cases in strict mode ([#88](https://github.com/pkgjs/parseargs/issues/88)) ([c2b5e72](https://github.com/pkgjs/parseargs/commit/c2b5e72161991dfdc535909f1327cc9b970fe7e8))
### [0.7.1](https://github.com/pkgjs/parseargs/compare/v0.7.0...v0.7.1) (2022-04-15)
### Bug Fixes
* resist pollution ([#106](https://github.com/pkgjs/parseargs/issues/106)) ([ecf2dec](https://github.com/pkgjs/parseargs/commit/ecf2dece0a9f2a76d789384d5d71c68ffe64022a))
## [0.7.0](https://github.com/pkgjs/parseargs/compare/v0.6.0...v0.7.0) (2022-04-13)
### Features
* Add strict mode to parser ([#74](https://github.com/pkgjs/parseargs/issues/74)) ([8267d02](https://github.com/pkgjs/parseargs/commit/8267d02083a87b8b8a71fcce08348d1e031ea91c))
## [0.6.0](https://github.com/pkgjs/parseargs/compare/v0.5.0...v0.6.0) (2022-04-11)
### ⚠ BREAKING CHANGES
* rework results to remove redundant `flags` property and store value true for boolean options (#83)
* switch to existing ERR_INVALID_ARG_VALUE (#97)
### Code Refactoring
* rework results to remove redundant `flags` property and store value true for boolean options ([#83](https://github.com/pkgjs/parseargs/issues/83)) ([be153db](https://github.com/pkgjs/parseargs/commit/be153dbed1d488cb7b6e27df92f601ba7337713d))
* switch to existing ERR_INVALID_ARG_VALUE ([#97](https://github.com/pkgjs/parseargs/issues/97)) ([084a23f](https://github.com/pkgjs/parseargs/commit/084a23f9fde2da030b159edb1c2385f24579ce40))
## [0.5.0](https://github.com/pkgjs/parseargs/compare/v0.4.0...v0.5.0) (2022-04-10)
### ⚠ BREAKING CHANGES
* Require type to be specified for each supplied option (#95)
### Features
* Require type to be specified for each supplied option ([#95](https://github.com/pkgjs/parseargs/issues/95)) ([02cd018](https://github.com/pkgjs/parseargs/commit/02cd01885b8aaa59f2db8308f2d4479e64340068))
## [0.4.0](https://github.com/pkgjs/parseargs/compare/v0.3.0...v0.4.0) (2022-03-12)
### ⚠ BREAKING CHANGES
* parsing, revisit short option groups, add support for combined short and value (#75)
* restructure configuration to take options bag (#63)
### Code Refactoring
* parsing, revisit short option groups, add support for combined short and value ([#75](https://github.com/pkgjs/parseargs/issues/75)) ([a92600f](https://github.com/pkgjs/parseargs/commit/a92600fa6c214508ab1e016fa55879a314f541af))
* restructure configuration to take options bag ([#63](https://github.com/pkgjs/parseargs/issues/63)) ([b412095](https://github.com/pkgjs/parseargs/commit/b4120957d90e809ee8b607b06e747d3e6a6b213e))
## [0.3.0](https://github.com/pkgjs/parseargs/compare/v0.2.0...v0.3.0) (2022-02-06)
### Features
* **parser:** support short-option groups ([#59](https://github.com/pkgjs/parseargs/issues/59)) ([882067b](https://github.com/pkgjs/parseargs/commit/882067bc2d7cbc6b796f8e5a079a99bc99d4e6ba))
## [0.2.0](https://github.com/pkgjs/parseargs/compare/v0.1.1...v0.2.0) (2022-02-05)
### Features
* basic support for shorts ([#50](https://github.com/pkgjs/parseargs/issues/50)) ([a2f36d7](https://github.com/pkgjs/parseargs/commit/a2f36d7da4145af1c92f76806b7fe2baf6beeceb))
### Bug Fixes
* always store value for a=b ([#43](https://github.com/pkgjs/parseargs/issues/43)) ([a85e8dc](https://github.com/pkgjs/parseargs/commit/a85e8dc06379fd2696ee195cc625de8fac6aee42))
* support single dash as positional ([#49](https://github.com/pkgjs/parseargs/issues/49)) ([d795bf8](https://github.com/pkgjs/parseargs/commit/d795bf877d068fd67aec381f30b30b63f97109ad))
### [0.1.1](https://github.com/pkgjs/parseargs/compare/v0.1.0...v0.1.1) (2022-01-25)
### Bug Fixes
* only use arrays in results for multiples ([#42](https://github.com/pkgjs/parseargs/issues/42)) ([c357584](https://github.com/pkgjs/parseargs/commit/c357584847912506319ed34a0840080116f4fd65))
## 0.1.0 (2022-01-22)
### Features
* expand scenarios covered by default arguments for environments ([#20](https://github.com/pkgjs/parseargs/issues/20)) ([582ada7](https://github.com/pkgjs/parseargs/commit/582ada7be0eca3a73d6e0bd016e7ace43449fa4c))
* update readme and include contributing guidelines ([8edd6fc](https://github.com/pkgjs/parseargs/commit/8edd6fc863cd705f6fac732724159ebe8065a2b0))
### Bug Fixes
* do not strip excess leading dashes on long option names ([#21](https://github.com/pkgjs/parseargs/issues/21)) ([f848590](https://github.com/pkgjs/parseargs/commit/f848590ebf3249ed5979ff47e003fa6e1a8ec5c0))
* name & readme ([3f057c1](https://github.com/pkgjs/parseargs/commit/3f057c1b158a1bdbe878c64b57460c58e56e465f))
* package.json values ([9bac300](https://github.com/pkgjs/parseargs/commit/9bac300e00cd76c77076bf9e75e44f8929512da9))
* update readme name ([957d8d9](https://github.com/pkgjs/parseargs/commit/957d8d96e1dcb48297c0a14345d44c0123b2883e))
### Build System
* first release as minor ([421c6e2](https://github.com/pkgjs/parseargs/commit/421c6e2569a8668ad14fac5a5af5be60479a7571))

View File

@@ -0,0 +1,201 @@
Apache License
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View File

@@ -0,0 +1,413 @@
<!-- omit in toc -->
# parseArgs
[![Coverage][coverage-image]][coverage-url]
Polyfill of `util.parseArgs()`
## `util.parseArgs([config])`
<!-- YAML
added: v18.3.0
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/43459
description: add support for returning detailed parse information
using `tokens` in input `config` and returned properties.
-->
> Stability: 1 - Experimental
* `config` {Object} Used to provide arguments for parsing and to configure
the parser. `config` supports the following properties:
* `args` {string\[]} array of argument strings. **Default:** `process.argv`
with `execPath` and `filename` removed.
* `options` {Object} Used to describe arguments known to the parser.
Keys of `options` are the long names of options and values are an
{Object} accepting the following properties:
* `type` {string} Type of argument, which must be either `boolean` or `string`.
* `multiple` {boolean} Whether this option can be provided multiple
times. If `true`, all values will be collected in an array. If
`false`, values for the option are last-wins. **Default:** `false`.
* `short` {string} A single character alias for the option.
* `default` {string | boolean | string\[] | boolean\[]} The default option
value when it is not set by args. It must be of the same type as the
the `type` property. When `multiple` is `true`, it must be an array.
* `strict` {boolean} Should an error be thrown when unknown arguments
are encountered, or when arguments are passed that do not match the
`type` configured in `options`.
**Default:** `true`.
* `allowPositionals` {boolean} Whether this command accepts positional
arguments.
**Default:** `false` if `strict` is `true`, otherwise `true`.
* `tokens` {boolean} Return the parsed tokens. This is useful for extending
the built-in behavior, from adding additional checks through to reprocessing
the tokens in different ways.
**Default:** `false`.
* Returns: {Object} The parsed command line arguments:
* `values` {Object} A mapping of parsed option names with their {string}
or {boolean} values.
* `positionals` {string\[]} Positional arguments.
* `tokens` {Object\[] | undefined} See [parseArgs tokens](#parseargs-tokens)
section. Only returned if `config` includes `tokens: true`.
Provides a higher level API for command-line argument parsing than interacting
with `process.argv` directly. Takes a specification for the expected arguments
and returns a structured object with the parsed options and positionals.
```mjs
import { parseArgs } from 'node:util';
const args = ['-f', '--bar', 'b'];
const options = {
foo: {
type: 'boolean',
short: 'f'
},
bar: {
type: 'string'
}
};
const {
values,
positionals
} = parseArgs({ args, options });
console.log(values, positionals);
// Prints: [Object: null prototype] { foo: true, bar: 'b' } []
```
```cjs
const { parseArgs } = require('node:util');
const args = ['-f', '--bar', 'b'];
const options = {
foo: {
type: 'boolean',
short: 'f'
},
bar: {
type: 'string'
}
};
const {
values,
positionals
} = parseArgs({ args, options });
console.log(values, positionals);
// Prints: [Object: null prototype] { foo: true, bar: 'b' } []
```
`util.parseArgs` is experimental and behavior may change. Join the
conversation in [pkgjs/parseargs][] to contribute to the design.
### `parseArgs` `tokens`
Detailed parse information is available for adding custom behaviours by
specifying `tokens: true` in the configuration.
The returned tokens have properties describing:
* all tokens
* `kind` {string} One of 'option', 'positional', or 'option-terminator'.
* `index` {number} Index of element in `args` containing token. So the
source argument for a token is `args[token.index]`.
* option tokens
* `name` {string} Long name of option.
* `rawName` {string} How option used in args, like `-f` of `--foo`.
* `value` {string | undefined} Option value specified in args.
Undefined for boolean options.
* `inlineValue` {boolean | undefined} Whether option value specified inline,
like `--foo=bar`.
* positional tokens
* `value` {string} The value of the positional argument in args (i.e. `args[index]`).
* option-terminator token
The returned tokens are in the order encountered in the input args. Options
that appear more than once in args produce a token for each use. Short option
groups like `-xy` expand to a token for each option. So `-xxx` produces
three tokens.
For example to use the returned tokens to add support for a negated option
like `--no-color`, the tokens can be reprocessed to change the value stored
for the negated option.
```mjs
import { parseArgs } from 'node:util';
const options = {
'color': { type: 'boolean' },
'no-color': { type: 'boolean' },
'logfile': { type: 'string' },
'no-logfile': { type: 'boolean' },
};
const { values, tokens } = parseArgs({ options, tokens: true });
// Reprocess the option tokens and overwrite the returned values.
tokens
.filter((token) => token.kind === 'option')
.forEach((token) => {
if (token.name.startsWith('no-')) {
// Store foo:false for --no-foo
const positiveName = token.name.slice(3);
values[positiveName] = false;
delete values[token.name];
} else {
// Resave value so last one wins if both --foo and --no-foo.
values[token.name] = token.value ?? true;
}
});
const color = values.color;
const logfile = values.logfile ?? 'default.log';
console.log({ logfile, color });
```
```cjs
const { parseArgs } = require('node:util');
const options = {
'color': { type: 'boolean' },
'no-color': { type: 'boolean' },
'logfile': { type: 'string' },
'no-logfile': { type: 'boolean' },
};
const { values, tokens } = parseArgs({ options, tokens: true });
// Reprocess the option tokens and overwrite the returned values.
tokens
.filter((token) => token.kind === 'option')
.forEach((token) => {
if (token.name.startsWith('no-')) {
// Store foo:false for --no-foo
const positiveName = token.name.slice(3);
values[positiveName] = false;
delete values[token.name];
} else {
// Resave value so last one wins if both --foo and --no-foo.
values[token.name] = token.value ?? true;
}
});
const color = values.color;
const logfile = values.logfile ?? 'default.log';
console.log({ logfile, color });
```
Example usage showing negated options, and when an option is used
multiple ways then last one wins.
```console
$ node negate.js
{ logfile: 'default.log', color: undefined }
$ node negate.js --no-logfile --no-color
{ logfile: false, color: false }
$ node negate.js --logfile=test.log --color
{ logfile: 'test.log', color: true }
$ node negate.js --no-logfile --logfile=test.log --color --no-color
{ logfile: 'test.log', color: false }
```
-----
<!-- omit in toc -->
## Table of Contents
- [`util.parseArgs([config])`](#utilparseargsconfig)
- [Scope](#scope)
- [Version Matchups](#version-matchups)
- [🚀 Getting Started](#-getting-started)
- [🙌 Contributing](#-contributing)
- [💡 `process.mainArgs` Proposal](#-processmainargs-proposal)
- [Implementation:](#implementation)
- [📃 Examples](#-examples)
- [F.A.Qs](#faqs)
- [Links & Resources](#links--resources)
-----
## Scope
It is already possible to build great arg parsing modules on top of what Node.js provides; the prickly API is abstracted away by these modules. Thus, process.parseArgs() is not necessarily intended for library authors; it is intended for developers of simple CLI tools, ad-hoc scripts, deployed Node.js applications, and learning materials.
It is exceedingly difficult to provide an API which would both be friendly to these Node.js users while being extensible enough for libraries to build upon. We chose to prioritize these use cases because these are currently not well-served by Node.js' API.
----
## Version Matchups
| Node.js | @pkgjs/parseArgs |
| -- | -- |
| [v18.3.0](https://nodejs.org/docs/latest-v18.x/api/util.html#utilparseargsconfig) | [v0.9.1](https://github.com/pkgjs/parseargs/tree/v0.9.1#utilparseargsconfig) |
| [v16.17.0](https://nodejs.org/dist/latest-v16.x/docs/api/util.html#utilparseargsconfig), [v18.7.0](https://nodejs.org/docs/latest-v18.x/api/util.html#utilparseargsconfig) | [0.10.0](https://github.com/pkgjs/parseargs/tree/v0.10.0#utilparseargsconfig) |
----
## 🚀 Getting Started
1. **Install dependencies.**
```bash
npm install
```
2. **Open the index.js file and start editing!**
3. **Test your code by calling parseArgs through our test file**
```bash
npm test
```
----
## 🙌 Contributing
Any person who wants to contribute to the initiative is welcome! Please first read the [Contributing Guide](CONTRIBUTING.md)
Additionally, reading the [`Examples w/ Output`](#-examples-w-output) section of this document will be the best way to familiarize yourself with the target expected behavior for parseArgs() once it is fully implemented.
This package was implemented using [tape](https://www.npmjs.com/package/tape) as its test harness.
----
## 💡 `process.mainArgs` Proposal
> Note: This can be moved forward independently of the `util.parseArgs()` proposal/work.
### Implementation:
```javascript
process.mainArgs = process.argv.slice(process._exec ? 1 : 2)
```
----
## 📃 Examples
```js
const { parseArgs } = require('@pkgjs/parseargs');
```
```js
const { parseArgs } = require('@pkgjs/parseargs');
// specify the options that may be used
const options = {
foo: { type: 'string'},
bar: { type: 'boolean' },
};
const args = ['--foo=a', '--bar'];
const { values, positionals } = parseArgs({ args, options });
// values = { foo: 'a', bar: true }
// positionals = []
```
```js
const { parseArgs } = require('@pkgjs/parseargs');
// type:string & multiple
const options = {
foo: {
type: 'string',
multiple: true,
},
};
const args = ['--foo=a', '--foo', 'b'];
const { values, positionals } = parseArgs({ args, options });
// values = { foo: [ 'a', 'b' ] }
// positionals = []
```
```js
const { parseArgs } = require('@pkgjs/parseargs');
// shorts
const options = {
foo: {
short: 'f',
type: 'boolean'
},
};
const args = ['-f', 'b'];
const { values, positionals } = parseArgs({ args, options, allowPositionals: true });
// values = { foo: true }
// positionals = ['b']
```
```js
const { parseArgs } = require('@pkgjs/parseargs');
// unconfigured
const options = {};
const args = ['-f', '--foo=a', '--bar', 'b'];
const { values, positionals } = parseArgs({ strict: false, args, options, allowPositionals: true });
// values = { f: true, foo: 'a', bar: true }
// positionals = ['b']
```
----
## F.A.Qs
- Is `cmd --foo=bar baz` the same as `cmd baz --foo=bar`?
- yes
- Does the parser execute a function?
- no
- Does the parser execute one of several functions, depending on input?
- no
- Can subcommands take options that are distinct from the main command?
- no
- Does it output generated help when no options match?
- no
- Does it generated short usage? Like: `usage: ls [-ABCFGHLOPRSTUWabcdefghiklmnopqrstuwx1] [file ...]`
- no (no usage/help at all)
- Does the user provide the long usage text? For each option? For the whole command?
- no
- Do subcommands (if implemented) have their own usage output?
- no
- Does usage print if the user runs `cmd --help`?
- no
- Does it set `process.exitCode`?
- no
- Does usage print to stderr or stdout?
- N/A
- Does it check types? (Say, specify that an option is a boolean, number, etc.)
- no
- Can an option have more than one type? (string or false, for example)
- no
- Can the user define a type? (Say, `type: path` to call `path.resolve()` on the argument.)
- no
- Does a `--foo=0o22` mean 0, 22, 18, or "0o22"?
- `"0o22"`
- Does it coerce types?
- no
- Does `--no-foo` coerce to `--foo=false`? For all options? Only boolean options?
- no, it sets `{values:{'no-foo': true}}`
- Is `--foo` the same as `--foo=true`? Only for known booleans? Only at the end?
- no, they are not the same. There is no special handling of `true` as a value so it is just another string.
- Does it read environment variables? Ie, is `FOO=1 cmd` the same as `cmd --foo=1`?
- no
- Do unknown arguments raise an error? Are they parsed? Are they treated as positional arguments?
- no, they are parsed, not treated as positionals
- Does `--` signal the end of options?
- yes
- Is `--` included as a positional?
- no
- Is `program -- foo` the same as `program foo`?
- yes, both store `{positionals:['foo']}`
- Does the API specify whether a `--` was present/relevant?
- no
- Is `-bar` the same as `--bar`?
- no, `-bar` is a short option or options, with expansion logic that follows the
[Utility Syntax Guidelines in POSIX.1-2017](https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap12.html). `-bar` expands to `-b`, `-a`, `-r`.
- Is `---foo` the same as `--foo`?
- no
- the first is a long option named `'-foo'`
- the second is a long option named `'foo'`
- Is `-` a positional? ie, `bash some-test.sh | tap -`
- yes
## Links & Resources
* [Initial Tooling Issue](https://github.com/nodejs/tooling/issues/19)
* [Initial Proposal](https://github.com/nodejs/node/pull/35015)
* [parseArgs Proposal](https://github.com/nodejs/node/pull/42675)
[coverage-image]: https://img.shields.io/nycrc/pkgjs/parseargs
[coverage-url]: https://github.com/pkgjs/parseargs/blob/main/.nycrc
[pkgjs/parseargs]: https://github.com/pkgjs/parseargs

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@@ -0,0 +1,25 @@
'use strict';
// This example shows how to understand if a default value is used or not.
// 1. const { parseArgs } = require('node:util'); // from node
// 2. const { parseArgs } = require('@pkgjs/parseargs'); // from package
const { parseArgs } = require('..'); // in repo
const options = {
file: { short: 'f', type: 'string', default: 'FOO' },
};
const { values, tokens } = parseArgs({ options, tokens: true });
const isFileDefault = !tokens.some((token) => token.kind === 'option' &&
token.name === 'file'
);
console.log(values);
console.log(`Is the file option [${values.file}] the default value? ${isFileDefault}`);
// Try the following:
// node is-default-value.js
// node is-default-value.js -f FILE
// node is-default-value.js --file FILE

View File

@@ -0,0 +1,35 @@
'use strict';
// This is an example of using tokens to add a custom behaviour.
//
// Require the use of `=` for long options and values by blocking
// the use of space separated values.
// So allow `--foo=bar`, and not allow `--foo bar`.
//
// Note: this is not a common behaviour, most CLIs allow both forms.
// 1. const { parseArgs } = require('node:util'); // from node
// 2. const { parseArgs } = require('@pkgjs/parseargs'); // from package
const { parseArgs } = require('..'); // in repo
const options = {
file: { short: 'f', type: 'string' },
log: { type: 'string' },
};
const { values, tokens } = parseArgs({ options, tokens: true });
const badToken = tokens.find((token) => token.kind === 'option' &&
token.value != null &&
token.rawName.startsWith('--') &&
!token.inlineValue
);
if (badToken) {
throw new Error(`Option value for '${badToken.rawName}' must be inline, like '${badToken.rawName}=VALUE'`);
}
console.log(values);
// Try the following:
// node limit-long-syntax.js -f FILE --log=LOG
// node limit-long-syntax.js --file FILE

View File

@@ -0,0 +1,43 @@
'use strict';
// This example is used in the documentation.
// How might I add my own support for --no-foo?
// 1. const { parseArgs } = require('node:util'); // from node
// 2. const { parseArgs } = require('@pkgjs/parseargs'); // from package
const { parseArgs } = require('..'); // in repo
const options = {
'color': { type: 'boolean' },
'no-color': { type: 'boolean' },
'logfile': { type: 'string' },
'no-logfile': { type: 'boolean' },
};
const { values, tokens } = parseArgs({ options, tokens: true });
// Reprocess the option tokens and overwrite the returned values.
tokens
.filter((token) => token.kind === 'option')
.forEach((token) => {
if (token.name.startsWith('no-')) {
// Store foo:false for --no-foo
const positiveName = token.name.slice(3);
values[positiveName] = false;
delete values[token.name];
} else {
// Resave value so last one wins if both --foo and --no-foo.
values[token.name] = token.value ?? true;
}
});
const color = values.color;
const logfile = values.logfile ?? 'default.log';
console.log({ logfile, color });
// Try the following:
// node negate.js
// node negate.js --no-logfile --no-color
// negate.js --logfile=test.log --color
// node negate.js --no-logfile --logfile=test.log --color --no-color

View File

@@ -0,0 +1,31 @@
'use strict';
// This is an example of using tokens to add a custom behaviour.
//
// Throw an error if an option is used more than once.
// 1. const { parseArgs } = require('node:util'); // from node
// 2. const { parseArgs } = require('@pkgjs/parseargs'); // from package
const { parseArgs } = require('..'); // in repo
const options = {
ding: { type: 'boolean', short: 'd' },
beep: { type: 'boolean', short: 'b' }
};
const { values, tokens } = parseArgs({ options, tokens: true });
const seenBefore = new Set();
tokens.forEach((token) => {
if (token.kind !== 'option') return;
if (seenBefore.has(token.name)) {
throw new Error(`option '${token.name}' used multiple times`);
}
seenBefore.add(token.name);
});
console.log(values);
// Try the following:
// node no-repeated-options --ding --beep
// node no-repeated-options --beep -b
// node no-repeated-options -ddd

View File

@@ -0,0 +1,41 @@
// This is an example of using tokens to add a custom behaviour.
//
// This adds a option order check so that --some-unstable-option
// may only be used after --enable-experimental-options
//
// Note: this is not a common behaviour, the order of different options
// does not usually matter.
import { parseArgs } from '../index.js';
function findTokenIndex(tokens, target) {
return tokens.findIndex((token) => token.kind === 'option' &&
token.name === target
);
}
const experimentalName = 'enable-experimental-options';
const unstableName = 'some-unstable-option';
const options = {
[experimentalName]: { type: 'boolean' },
[unstableName]: { type: 'boolean' },
};
const { values, tokens } = parseArgs({ options, tokens: true });
const experimentalIndex = findTokenIndex(tokens, experimentalName);
const unstableIndex = findTokenIndex(tokens, unstableName);
if (unstableIndex !== -1 &&
((experimentalIndex === -1) || (unstableIndex < experimentalIndex))) {
throw new Error(`'--${experimentalName}' must be specified before '--${unstableName}'`);
}
console.log(values);
/* eslint-disable max-len */
// Try the following:
// node ordered-options.mjs
// node ordered-options.mjs --some-unstable-option
// node ordered-options.mjs --some-unstable-option --enable-experimental-options
// node ordered-options.mjs --enable-experimental-options --some-unstable-option

View File

@@ -0,0 +1,26 @@
'use strict';
// This example is used in the documentation.
// 1. const { parseArgs } = require('node:util'); // from node
// 2. const { parseArgs } = require('@pkgjs/parseargs'); // from package
const { parseArgs } = require('..'); // in repo
const args = ['-f', '--bar', 'b'];
const options = {
foo: {
type: 'boolean',
short: 'f'
},
bar: {
type: 'string'
}
};
const {
values,
positionals
} = parseArgs({ args, options });
console.log(values, positionals);
// Try the following:
// node simple-hard-coded.js

View File

@@ -0,0 +1,396 @@
'use strict';
const {
ArrayPrototypeForEach,
ArrayPrototypeIncludes,
ArrayPrototypeMap,
ArrayPrototypePush,
ArrayPrototypePushApply,
ArrayPrototypeShift,
ArrayPrototypeSlice,
ArrayPrototypeUnshiftApply,
ObjectEntries,
ObjectPrototypeHasOwnProperty: ObjectHasOwn,
StringPrototypeCharAt,
StringPrototypeIndexOf,
StringPrototypeSlice,
StringPrototypeStartsWith,
} = require('./internal/primordials');
const {
validateArray,
validateBoolean,
validateBooleanArray,
validateObject,
validateString,
validateStringArray,
validateUnion,
} = require('./internal/validators');
const {
kEmptyObject,
} = require('./internal/util');
const {
findLongOptionForShort,
isLoneLongOption,
isLoneShortOption,
isLongOptionAndValue,
isOptionValue,
isOptionLikeValue,
isShortOptionAndValue,
isShortOptionGroup,
useDefaultValueOption,
objectGetOwn,
optionsGetOwn,
} = require('./utils');
const {
codes: {
ERR_INVALID_ARG_VALUE,
ERR_PARSE_ARGS_INVALID_OPTION_VALUE,
ERR_PARSE_ARGS_UNKNOWN_OPTION,
ERR_PARSE_ARGS_UNEXPECTED_POSITIONAL,
},
} = require('./internal/errors');
function getMainArgs() {
// Work out where to slice process.argv for user supplied arguments.
// Check node options for scenarios where user CLI args follow executable.
const execArgv = process.execArgv;
if (ArrayPrototypeIncludes(execArgv, '-e') ||
ArrayPrototypeIncludes(execArgv, '--eval') ||
ArrayPrototypeIncludes(execArgv, '-p') ||
ArrayPrototypeIncludes(execArgv, '--print')) {
return ArrayPrototypeSlice(process.argv, 1);
}
// Normally first two arguments are executable and script, then CLI arguments
return ArrayPrototypeSlice(process.argv, 2);
}
/**
* In strict mode, throw for possible usage errors like --foo --bar
*
* @param {object} token - from tokens as available from parseArgs
*/
function checkOptionLikeValue(token) {
if (!token.inlineValue && isOptionLikeValue(token.value)) {
// Only show short example if user used short option.
const example = StringPrototypeStartsWith(token.rawName, '--') ?
`'${token.rawName}=-XYZ'` :
`'--${token.name}=-XYZ' or '${token.rawName}-XYZ'`;
const errorMessage = `Option '${token.rawName}' argument is ambiguous.
Did you forget to specify the option argument for '${token.rawName}'?
To specify an option argument starting with a dash use ${example}.`;
throw new ERR_PARSE_ARGS_INVALID_OPTION_VALUE(errorMessage);
}
}
/**
* In strict mode, throw for usage errors.
*
* @param {object} config - from config passed to parseArgs
* @param {object} token - from tokens as available from parseArgs
*/
function checkOptionUsage(config, token) {
if (!ObjectHasOwn(config.options, token.name)) {
throw new ERR_PARSE_ARGS_UNKNOWN_OPTION(
token.rawName, config.allowPositionals);
}
const short = optionsGetOwn(config.options, token.name, 'short');
const shortAndLong = `${short ? `-${short}, ` : ''}--${token.name}`;
const type = optionsGetOwn(config.options, token.name, 'type');
if (type === 'string' && typeof token.value !== 'string') {
throw new ERR_PARSE_ARGS_INVALID_OPTION_VALUE(`Option '${shortAndLong} <value>' argument missing`);
}
// (Idiomatic test for undefined||null, expecting undefined.)
if (type === 'boolean' && token.value != null) {
throw new ERR_PARSE_ARGS_INVALID_OPTION_VALUE(`Option '${shortAndLong}' does not take an argument`);
}
}
/**
* Store the option value in `values`.
*
* @param {string} longOption - long option name e.g. 'foo'
* @param {string|undefined} optionValue - value from user args
* @param {object} options - option configs, from parseArgs({ options })
* @param {object} values - option values returned in `values` by parseArgs
*/
function storeOption(longOption, optionValue, options, values) {
if (longOption === '__proto__') {
return; // No. Just no.
}
// We store based on the option value rather than option type,
// preserving the users intent for author to deal with.
const newValue = optionValue ?? true;
if (optionsGetOwn(options, longOption, 'multiple')) {
// Always store value in array, including for boolean.
// values[longOption] starts out not present,
// first value is added as new array [newValue],
// subsequent values are pushed to existing array.
// (note: values has null prototype, so simpler usage)
if (values[longOption]) {
ArrayPrototypePush(values[longOption], newValue);
} else {
values[longOption] = [newValue];
}
} else {
values[longOption] = newValue;
}
}
/**
* Store the default option value in `values`.
*
* @param {string} longOption - long option name e.g. 'foo'
* @param {string
* | boolean
* | string[]
* | boolean[]} optionValue - default value from option config
* @param {object} values - option values returned in `values` by parseArgs
*/
function storeDefaultOption(longOption, optionValue, values) {
if (longOption === '__proto__') {
return; // No. Just no.
}
values[longOption] = optionValue;
}
/**
* Process args and turn into identified tokens:
* - option (along with value, if any)
* - positional
* - option-terminator
*
* @param {string[]} args - from parseArgs({ args }) or mainArgs
* @param {object} options - option configs, from parseArgs({ options })
*/
function argsToTokens(args, options) {
const tokens = [];
let index = -1;
let groupCount = 0;
const remainingArgs = ArrayPrototypeSlice(args);
while (remainingArgs.length > 0) {
const arg = ArrayPrototypeShift(remainingArgs);
const nextArg = remainingArgs[0];
if (groupCount > 0)
groupCount--;
else
index++;
// Check if `arg` is an options terminator.
// Guideline 10 in https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap12.html
if (arg === '--') {
// Everything after a bare '--' is considered a positional argument.
ArrayPrototypePush(tokens, { kind: 'option-terminator', index });
ArrayPrototypePushApply(
tokens, ArrayPrototypeMap(remainingArgs, (arg) => {
return { kind: 'positional', index: ++index, value: arg };
})
);
break; // Finished processing args, leave while loop.
}
if (isLoneShortOption(arg)) {
// e.g. '-f'
const shortOption = StringPrototypeCharAt(arg, 1);
const longOption = findLongOptionForShort(shortOption, options);
let value;
let inlineValue;
if (optionsGetOwn(options, longOption, 'type') === 'string' &&
isOptionValue(nextArg)) {
// e.g. '-f', 'bar'
value = ArrayPrototypeShift(remainingArgs);
inlineValue = false;
}
ArrayPrototypePush(
tokens,
{ kind: 'option', name: longOption, rawName: arg,
index, value, inlineValue });
if (value != null) ++index;
continue;
}
if (isShortOptionGroup(arg, options)) {
// Expand -fXzy to -f -X -z -y
const expanded = [];
for (let index = 1; index < arg.length; index++) {
const shortOption = StringPrototypeCharAt(arg, index);
const longOption = findLongOptionForShort(shortOption, options);
if (optionsGetOwn(options, longOption, 'type') !== 'string' ||
index === arg.length - 1) {
// Boolean option, or last short in group. Well formed.
ArrayPrototypePush(expanded, `-${shortOption}`);
} else {
// String option in middle. Yuck.
// Expand -abfFILE to -a -b -fFILE
ArrayPrototypePush(expanded, `-${StringPrototypeSlice(arg, index)}`);
break; // finished short group
}
}
ArrayPrototypeUnshiftApply(remainingArgs, expanded);
groupCount = expanded.length;
continue;
}
if (isShortOptionAndValue(arg, options)) {
// e.g. -fFILE
const shortOption = StringPrototypeCharAt(arg, 1);
const longOption = findLongOptionForShort(shortOption, options);
const value = StringPrototypeSlice(arg, 2);
ArrayPrototypePush(
tokens,
{ kind: 'option', name: longOption, rawName: `-${shortOption}`,
index, value, inlineValue: true });
continue;
}
if (isLoneLongOption(arg)) {
// e.g. '--foo'
const longOption = StringPrototypeSlice(arg, 2);
let value;
let inlineValue;
if (optionsGetOwn(options, longOption, 'type') === 'string' &&
isOptionValue(nextArg)) {
// e.g. '--foo', 'bar'
value = ArrayPrototypeShift(remainingArgs);
inlineValue = false;
}
ArrayPrototypePush(
tokens,
{ kind: 'option', name: longOption, rawName: arg,
index, value, inlineValue });
if (value != null) ++index;
continue;
}
if (isLongOptionAndValue(arg)) {
// e.g. --foo=bar
const equalIndex = StringPrototypeIndexOf(arg, '=');
const longOption = StringPrototypeSlice(arg, 2, equalIndex);
const value = StringPrototypeSlice(arg, equalIndex + 1);
ArrayPrototypePush(
tokens,
{ kind: 'option', name: longOption, rawName: `--${longOption}`,
index, value, inlineValue: true });
continue;
}
ArrayPrototypePush(tokens, { kind: 'positional', index, value: arg });
}
return tokens;
}
const parseArgs = (config = kEmptyObject) => {
const args = objectGetOwn(config, 'args') ?? getMainArgs();
const strict = objectGetOwn(config, 'strict') ?? true;
const allowPositionals = objectGetOwn(config, 'allowPositionals') ?? !strict;
const returnTokens = objectGetOwn(config, 'tokens') ?? false;
const options = objectGetOwn(config, 'options') ?? { __proto__: null };
// Bundle these up for passing to strict-mode checks.
const parseConfig = { args, strict, options, allowPositionals };
// Validate input configuration.
validateArray(args, 'args');
validateBoolean(strict, 'strict');
validateBoolean(allowPositionals, 'allowPositionals');
validateBoolean(returnTokens, 'tokens');
validateObject(options, 'options');
ArrayPrototypeForEach(
ObjectEntries(options),
({ 0: longOption, 1: optionConfig }) => {
validateObject(optionConfig, `options.${longOption}`);
// type is required
const optionType = objectGetOwn(optionConfig, 'type');
validateUnion(optionType, `options.${longOption}.type`, ['string', 'boolean']);
if (ObjectHasOwn(optionConfig, 'short')) {
const shortOption = optionConfig.short;
validateString(shortOption, `options.${longOption}.short`);
if (shortOption.length !== 1) {
throw new ERR_INVALID_ARG_VALUE(
`options.${longOption}.short`,
shortOption,
'must be a single character'
);
}
}
const multipleOption = objectGetOwn(optionConfig, 'multiple');
if (ObjectHasOwn(optionConfig, 'multiple')) {
validateBoolean(multipleOption, `options.${longOption}.multiple`);
}
const defaultValue = objectGetOwn(optionConfig, 'default');
if (defaultValue !== undefined) {
let validator;
switch (optionType) {
case 'string':
validator = multipleOption ? validateStringArray : validateString;
break;
case 'boolean':
validator = multipleOption ? validateBooleanArray : validateBoolean;
break;
}
validator(defaultValue, `options.${longOption}.default`);
}
}
);
// Phase 1: identify tokens
const tokens = argsToTokens(args, options);
// Phase 2: process tokens into parsed option values and positionals
const result = {
values: { __proto__: null },
positionals: [],
};
if (returnTokens) {
result.tokens = tokens;
}
ArrayPrototypeForEach(tokens, (token) => {
if (token.kind === 'option') {
if (strict) {
checkOptionUsage(parseConfig, token);
checkOptionLikeValue(token);
}
storeOption(token.name, token.value, options, result.values);
} else if (token.kind === 'positional') {
if (!allowPositionals) {
throw new ERR_PARSE_ARGS_UNEXPECTED_POSITIONAL(token.value);
}
ArrayPrototypePush(result.positionals, token.value);
}
});
// Phase 3: fill in default values for missing args
ArrayPrototypeForEach(ObjectEntries(options), ({ 0: longOption,
1: optionConfig }) => {
const mustSetDefault = useDefaultValueOption(longOption,
optionConfig,
result.values);
if (mustSetDefault) {
storeDefaultOption(longOption,
objectGetOwn(optionConfig, 'default'),
result.values);
}
});
return result;
};
module.exports = {
parseArgs,
};

View File

@@ -0,0 +1,47 @@
'use strict';
class ERR_INVALID_ARG_TYPE extends TypeError {
constructor(name, expected, actual) {
super(`${name} must be ${expected} got ${actual}`);
this.code = 'ERR_INVALID_ARG_TYPE';
}
}
class ERR_INVALID_ARG_VALUE extends TypeError {
constructor(arg1, arg2, expected) {
super(`The property ${arg1} ${expected}. Received '${arg2}'`);
this.code = 'ERR_INVALID_ARG_VALUE';
}
}
class ERR_PARSE_ARGS_INVALID_OPTION_VALUE extends Error {
constructor(message) {
super(message);
this.code = 'ERR_PARSE_ARGS_INVALID_OPTION_VALUE';
}
}
class ERR_PARSE_ARGS_UNKNOWN_OPTION extends Error {
constructor(option, allowPositionals) {
const suggestDashDash = allowPositionals ? `. To specify a positional argument starting with a '-', place it at the end of the command after '--', as in '-- ${JSON.stringify(option)}` : '';
super(`Unknown option '${option}'${suggestDashDash}`);
this.code = 'ERR_PARSE_ARGS_UNKNOWN_OPTION';
}
}
class ERR_PARSE_ARGS_UNEXPECTED_POSITIONAL extends Error {
constructor(positional) {
super(`Unexpected argument '${positional}'. This command does not take positional arguments`);
this.code = 'ERR_PARSE_ARGS_UNEXPECTED_POSITIONAL';
}
}
module.exports = {
codes: {
ERR_INVALID_ARG_TYPE,
ERR_INVALID_ARG_VALUE,
ERR_PARSE_ARGS_INVALID_OPTION_VALUE,
ERR_PARSE_ARGS_UNKNOWN_OPTION,
ERR_PARSE_ARGS_UNEXPECTED_POSITIONAL,
}
};

View File

@@ -0,0 +1,393 @@
/*
This file is copied from https://github.com/nodejs/node/blob/v14.19.3/lib/internal/per_context/primordials.js
under the following license:
Copyright Node.js contributors. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
IN THE SOFTWARE.
*/
'use strict';
/* eslint-disable node-core/prefer-primordials */
// This file subclasses and stores the JS builtins that come from the VM
// so that Node.js's builtin modules do not need to later look these up from
// the global proxy, which can be mutated by users.
// Use of primordials have sometimes a dramatic impact on performance, please
// benchmark all changes made in performance-sensitive areas of the codebase.
// See: https://github.com/nodejs/node/pull/38248
const primordials = {};
const {
defineProperty: ReflectDefineProperty,
getOwnPropertyDescriptor: ReflectGetOwnPropertyDescriptor,
ownKeys: ReflectOwnKeys,
} = Reflect;
// `uncurryThis` is equivalent to `func => Function.prototype.call.bind(func)`.
// It is using `bind.bind(call)` to avoid using `Function.prototype.bind`
// and `Function.prototype.call` after it may have been mutated by users.
const { apply, bind, call } = Function.prototype;
const uncurryThis = bind.bind(call);
primordials.uncurryThis = uncurryThis;
// `applyBind` is equivalent to `func => Function.prototype.apply.bind(func)`.
// It is using `bind.bind(apply)` to avoid using `Function.prototype.bind`
// and `Function.prototype.apply` after it may have been mutated by users.
const applyBind = bind.bind(apply);
primordials.applyBind = applyBind;
// Methods that accept a variable number of arguments, and thus it's useful to
// also create `${prefix}${key}Apply`, which uses `Function.prototype.apply`,
// instead of `Function.prototype.call`, and thus doesn't require iterator
// destructuring.
const varargsMethods = [
// 'ArrayPrototypeConcat' is omitted, because it performs the spread
// on its own for arrays and array-likes with a truthy
// @@isConcatSpreadable symbol property.
'ArrayOf',
'ArrayPrototypePush',
'ArrayPrototypeUnshift',
// 'FunctionPrototypeCall' is omitted, since there's 'ReflectApply'
// and 'FunctionPrototypeApply'.
'MathHypot',
'MathMax',
'MathMin',
'StringPrototypeConcat',
'TypedArrayOf',
];
function getNewKey(key) {
return typeof key === 'symbol' ?
`Symbol${key.description[7].toUpperCase()}${key.description.slice(8)}` :
`${key[0].toUpperCase()}${key.slice(1)}`;
}
function copyAccessor(dest, prefix, key, { enumerable, get, set }) {
ReflectDefineProperty(dest, `${prefix}Get${key}`, {
value: uncurryThis(get),
enumerable
});
if (set !== undefined) {
ReflectDefineProperty(dest, `${prefix}Set${key}`, {
value: uncurryThis(set),
enumerable
});
}
}
function copyPropsRenamed(src, dest, prefix) {
for (const key of ReflectOwnKeys(src)) {
const newKey = getNewKey(key);
const desc = ReflectGetOwnPropertyDescriptor(src, key);
if ('get' in desc) {
copyAccessor(dest, prefix, newKey, desc);
} else {
const name = `${prefix}${newKey}`;
ReflectDefineProperty(dest, name, desc);
if (varargsMethods.includes(name)) {
ReflectDefineProperty(dest, `${name}Apply`, {
// `src` is bound as the `this` so that the static `this` points
// to the object it was defined on,
// e.g.: `ArrayOfApply` gets a `this` of `Array`:
value: applyBind(desc.value, src),
});
}
}
}
}
function copyPropsRenamedBound(src, dest, prefix) {
for (const key of ReflectOwnKeys(src)) {
const newKey = getNewKey(key);
const desc = ReflectGetOwnPropertyDescriptor(src, key);
if ('get' in desc) {
copyAccessor(dest, prefix, newKey, desc);
} else {
const { value } = desc;
if (typeof value === 'function') {
desc.value = value.bind(src);
}
const name = `${prefix}${newKey}`;
ReflectDefineProperty(dest, name, desc);
if (varargsMethods.includes(name)) {
ReflectDefineProperty(dest, `${name}Apply`, {
value: applyBind(value, src),
});
}
}
}
}
function copyPrototype(src, dest, prefix) {
for (const key of ReflectOwnKeys(src)) {
const newKey = getNewKey(key);
const desc = ReflectGetOwnPropertyDescriptor(src, key);
if ('get' in desc) {
copyAccessor(dest, prefix, newKey, desc);
} else {
const { value } = desc;
if (typeof value === 'function') {
desc.value = uncurryThis(value);
}
const name = `${prefix}${newKey}`;
ReflectDefineProperty(dest, name, desc);
if (varargsMethods.includes(name)) {
ReflectDefineProperty(dest, `${name}Apply`, {
value: applyBind(value),
});
}
}
}
}
// Create copies of configurable value properties of the global object
[
'Proxy',
'globalThis',
].forEach((name) => {
// eslint-disable-next-line no-restricted-globals
primordials[name] = globalThis[name];
});
// Create copies of URI handling functions
[
decodeURI,
decodeURIComponent,
encodeURI,
encodeURIComponent,
].forEach((fn) => {
primordials[fn.name] = fn;
});
// Create copies of the namespace objects
[
'JSON',
'Math',
'Proxy',
'Reflect',
].forEach((name) => {
// eslint-disable-next-line no-restricted-globals
copyPropsRenamed(global[name], primordials, name);
});
// Create copies of intrinsic objects
[
'Array',
'ArrayBuffer',
'BigInt',
'BigInt64Array',
'BigUint64Array',
'Boolean',
'DataView',
'Date',
'Error',
'EvalError',
'Float32Array',
'Float64Array',
'Function',
'Int16Array',
'Int32Array',
'Int8Array',
'Map',
'Number',
'Object',
'RangeError',
'ReferenceError',
'RegExp',
'Set',
'String',
'Symbol',
'SyntaxError',
'TypeError',
'URIError',
'Uint16Array',
'Uint32Array',
'Uint8Array',
'Uint8ClampedArray',
'WeakMap',
'WeakSet',
].forEach((name) => {
// eslint-disable-next-line no-restricted-globals
const original = global[name];
primordials[name] = original;
copyPropsRenamed(original, primordials, name);
copyPrototype(original.prototype, primordials, `${name}Prototype`);
});
// Create copies of intrinsic objects that require a valid `this` to call
// static methods.
// Refs: https://www.ecma-international.org/ecma-262/#sec-promise.all
[
'Promise',
].forEach((name) => {
// eslint-disable-next-line no-restricted-globals
const original = global[name];
primordials[name] = original;
copyPropsRenamedBound(original, primordials, name);
copyPrototype(original.prototype, primordials, `${name}Prototype`);
});
// Create copies of abstract intrinsic objects that are not directly exposed
// on the global object.
// Refs: https://tc39.es/ecma262/#sec-%typedarray%-intrinsic-object
[
{ name: 'TypedArray', original: Reflect.getPrototypeOf(Uint8Array) },
{ name: 'ArrayIterator', original: {
prototype: Reflect.getPrototypeOf(Array.prototype[Symbol.iterator]()),
} },
{ name: 'StringIterator', original: {
prototype: Reflect.getPrototypeOf(String.prototype[Symbol.iterator]()),
} },
].forEach(({ name, original }) => {
primordials[name] = original;
// The static %TypedArray% methods require a valid `this`, but can't be bound,
// as they need a subclass constructor as the receiver:
copyPrototype(original, primordials, name);
copyPrototype(original.prototype, primordials, `${name}Prototype`);
});
/* eslint-enable node-core/prefer-primordials */
const {
ArrayPrototypeForEach,
FunctionPrototypeCall,
Map,
ObjectFreeze,
ObjectSetPrototypeOf,
Set,
SymbolIterator,
WeakMap,
WeakSet,
} = primordials;
// Because these functions are used by `makeSafe`, which is exposed
// on the `primordials` object, it's important to use const references
// to the primordials that they use:
const createSafeIterator = (factory, next) => {
class SafeIterator {
constructor(iterable) {
this._iterator = factory(iterable);
}
next() {
return next(this._iterator);
}
[SymbolIterator]() {
return this;
}
}
ObjectSetPrototypeOf(SafeIterator.prototype, null);
ObjectFreeze(SafeIterator.prototype);
ObjectFreeze(SafeIterator);
return SafeIterator;
};
primordials.SafeArrayIterator = createSafeIterator(
primordials.ArrayPrototypeSymbolIterator,
primordials.ArrayIteratorPrototypeNext
);
primordials.SafeStringIterator = createSafeIterator(
primordials.StringPrototypeSymbolIterator,
primordials.StringIteratorPrototypeNext
);
const copyProps = (src, dest) => {
ArrayPrototypeForEach(ReflectOwnKeys(src), (key) => {
if (!ReflectGetOwnPropertyDescriptor(dest, key)) {
ReflectDefineProperty(
dest,
key,
ReflectGetOwnPropertyDescriptor(src, key));
}
});
};
const makeSafe = (unsafe, safe) => {
if (SymbolIterator in unsafe.prototype) {
const dummy = new unsafe();
let next; // We can reuse the same `next` method.
ArrayPrototypeForEach(ReflectOwnKeys(unsafe.prototype), (key) => {
if (!ReflectGetOwnPropertyDescriptor(safe.prototype, key)) {
const desc = ReflectGetOwnPropertyDescriptor(unsafe.prototype, key);
if (
typeof desc.value === 'function' &&
desc.value.length === 0 &&
SymbolIterator in (FunctionPrototypeCall(desc.value, dummy) ?? {})
) {
const createIterator = uncurryThis(desc.value);
next = next ?? uncurryThis(createIterator(dummy).next);
const SafeIterator = createSafeIterator(createIterator, next);
desc.value = function() {
return new SafeIterator(this);
};
}
ReflectDefineProperty(safe.prototype, key, desc);
}
});
} else {
copyProps(unsafe.prototype, safe.prototype);
}
copyProps(unsafe, safe);
ObjectSetPrototypeOf(safe.prototype, null);
ObjectFreeze(safe.prototype);
ObjectFreeze(safe);
return safe;
};
primordials.makeSafe = makeSafe;
// Subclass the constructors because we need to use their prototype
// methods later.
// Defining the `constructor` is necessary here to avoid the default
// constructor which uses the user-mutable `%ArrayIteratorPrototype%.next`.
primordials.SafeMap = makeSafe(
Map,
class SafeMap extends Map {
constructor(i) { super(i); } // eslint-disable-line no-useless-constructor
}
);
primordials.SafeWeakMap = makeSafe(
WeakMap,
class SafeWeakMap extends WeakMap {
constructor(i) { super(i); } // eslint-disable-line no-useless-constructor
}
);
primordials.SafeSet = makeSafe(
Set,
class SafeSet extends Set {
constructor(i) { super(i); } // eslint-disable-line no-useless-constructor
}
);
primordials.SafeWeakSet = makeSafe(
WeakSet,
class SafeWeakSet extends WeakSet {
constructor(i) { super(i); } // eslint-disable-line no-useless-constructor
}
);
ObjectSetPrototypeOf(primordials, null);
ObjectFreeze(primordials);
module.exports = primordials;

View File

@@ -0,0 +1,14 @@
'use strict';
// This is a placeholder for util.js in node.js land.
const {
ObjectCreate,
ObjectFreeze,
} = require('./primordials');
const kEmptyObject = ObjectFreeze(ObjectCreate(null));
module.exports = {
kEmptyObject,
};

View File

@@ -0,0 +1,89 @@
'use strict';
// This file is a proxy of the original file located at:
// https://github.com/nodejs/node/blob/main/lib/internal/validators.js
// Every addition or modification to this file must be evaluated
// during the PR review.
const {
ArrayIsArray,
ArrayPrototypeIncludes,
ArrayPrototypeJoin,
} = require('./primordials');
const {
codes: {
ERR_INVALID_ARG_TYPE
}
} = require('./errors');
function validateString(value, name) {
if (typeof value !== 'string') {
throw new ERR_INVALID_ARG_TYPE(name, 'String', value);
}
}
function validateUnion(value, name, union) {
if (!ArrayPrototypeIncludes(union, value)) {
throw new ERR_INVALID_ARG_TYPE(name, `('${ArrayPrototypeJoin(union, '|')}')`, value);
}
}
function validateBoolean(value, name) {
if (typeof value !== 'boolean') {
throw new ERR_INVALID_ARG_TYPE(name, 'Boolean', value);
}
}
function validateArray(value, name) {
if (!ArrayIsArray(value)) {
throw new ERR_INVALID_ARG_TYPE(name, 'Array', value);
}
}
function validateStringArray(value, name) {
validateArray(value, name);
for (let i = 0; i < value.length; i++) {
validateString(value[i], `${name}[${i}]`);
}
}
function validateBooleanArray(value, name) {
validateArray(value, name);
for (let i = 0; i < value.length; i++) {
validateBoolean(value[i], `${name}[${i}]`);
}
}
/**
* @param {unknown} value
* @param {string} name
* @param {{
* allowArray?: boolean,
* allowFunction?: boolean,
* nullable?: boolean
* }} [options]
*/
function validateObject(value, name, options) {
const useDefaultOptions = options == null;
const allowArray = useDefaultOptions ? false : options.allowArray;
const allowFunction = useDefaultOptions ? false : options.allowFunction;
const nullable = useDefaultOptions ? false : options.nullable;
if ((!nullable && value === null) ||
(!allowArray && ArrayIsArray(value)) ||
(typeof value !== 'object' && (
!allowFunction || typeof value !== 'function'
))) {
throw new ERR_INVALID_ARG_TYPE(name, 'Object', value);
}
}
module.exports = {
validateArray,
validateObject,
validateString,
validateStringArray,
validateUnion,
validateBoolean,
validateBooleanArray,
};

View File

@@ -0,0 +1,36 @@
{
"name": "@pkgjs/parseargs",
"version": "0.11.0",
"description": "Polyfill of future proposal for `util.parseArgs()`",
"engines": {
"node": ">=14"
},
"main": "index.js",
"exports": {
".": "./index.js",
"./package.json": "./package.json"
},
"scripts": {
"coverage": "c8 --check-coverage tape 'test/*.js'",
"test": "c8 tape 'test/*.js'",
"posttest": "eslint .",
"fix": "npm run posttest -- --fix"
},
"repository": {
"type": "git",
"url": "git@github.com:pkgjs/parseargs.git"
},
"keywords": [],
"author": "",
"license": "MIT",
"bugs": {
"url": "https://github.com/pkgjs/parseargs/issues"
},
"homepage": "https://github.com/pkgjs/parseargs#readme",
"devDependencies": {
"c8": "^7.10.0",
"eslint": "^8.2.0",
"eslint-plugin-node-core": "iansu/eslint-plugin-node-core",
"tape": "^5.2.2"
}
}

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@@ -0,0 +1,198 @@
'use strict';
const {
ArrayPrototypeFind,
ObjectEntries,
ObjectPrototypeHasOwnProperty: ObjectHasOwn,
StringPrototypeCharAt,
StringPrototypeIncludes,
StringPrototypeStartsWith,
} = require('./internal/primordials');
const {
validateObject,
} = require('./internal/validators');
// These are internal utilities to make the parsing logic easier to read, and
// add lots of detail for the curious. They are in a separate file to allow
// unit testing, although that is not essential (this could be rolled into
// main file and just tested implicitly via API).
//
// These routines are for internal use, not for export to client.
/**
* Return the named property, but only if it is an own property.
*/
function objectGetOwn(obj, prop) {
if (ObjectHasOwn(obj, prop))
return obj[prop];
}
/**
* Return the named options property, but only if it is an own property.
*/
function optionsGetOwn(options, longOption, prop) {
if (ObjectHasOwn(options, longOption))
return objectGetOwn(options[longOption], prop);
}
/**
* Determines if the argument may be used as an option value.
* @example
* isOptionValue('V') // returns true
* isOptionValue('-v') // returns true (greedy)
* isOptionValue('--foo') // returns true (greedy)
* isOptionValue(undefined) // returns false
*/
function isOptionValue(value) {
if (value == null) return false;
// Open Group Utility Conventions are that an option-argument
// is the argument after the option, and may start with a dash.
return true; // greedy!
}
/**
* Detect whether there is possible confusion and user may have omitted
* the option argument, like `--port --verbose` when `port` of type:string.
* In strict mode we throw errors if value is option-like.
*/
function isOptionLikeValue(value) {
if (value == null) return false;
return value.length > 1 && StringPrototypeCharAt(value, 0) === '-';
}
/**
* Determines if `arg` is just a short option.
* @example '-f'
*/
function isLoneShortOption(arg) {
return arg.length === 2 &&
StringPrototypeCharAt(arg, 0) === '-' &&
StringPrototypeCharAt(arg, 1) !== '-';
}
/**
* Determines if `arg` is a lone long option.
* @example
* isLoneLongOption('a') // returns false
* isLoneLongOption('-a') // returns false
* isLoneLongOption('--foo') // returns true
* isLoneLongOption('--foo=bar') // returns false
*/
function isLoneLongOption(arg) {
return arg.length > 2 &&
StringPrototypeStartsWith(arg, '--') &&
!StringPrototypeIncludes(arg, '=', 3);
}
/**
* Determines if `arg` is a long option and value in the same argument.
* @example
* isLongOptionAndValue('--foo') // returns false
* isLongOptionAndValue('--foo=bar') // returns true
*/
function isLongOptionAndValue(arg) {
return arg.length > 2 &&
StringPrototypeStartsWith(arg, '--') &&
StringPrototypeIncludes(arg, '=', 3);
}
/**
* Determines if `arg` is a short option group.
*
* See Guideline 5 of the [Open Group Utility Conventions](https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap12.html).
* One or more options without option-arguments, followed by at most one
* option that takes an option-argument, should be accepted when grouped
* behind one '-' delimiter.
* @example
* isShortOptionGroup('-a', {}) // returns false
* isShortOptionGroup('-ab', {}) // returns true
* // -fb is an option and a value, not a short option group
* isShortOptionGroup('-fb', {
* options: { f: { type: 'string' } }
* }) // returns false
* isShortOptionGroup('-bf', {
* options: { f: { type: 'string' } }
* }) // returns true
* // -bfb is an edge case, return true and caller sorts it out
* isShortOptionGroup('-bfb', {
* options: { f: { type: 'string' } }
* }) // returns true
*/
function isShortOptionGroup(arg, options) {
if (arg.length <= 2) return false;
if (StringPrototypeCharAt(arg, 0) !== '-') return false;
if (StringPrototypeCharAt(arg, 1) === '-') return false;
const firstShort = StringPrototypeCharAt(arg, 1);
const longOption = findLongOptionForShort(firstShort, options);
return optionsGetOwn(options, longOption, 'type') !== 'string';
}
/**
* Determine if arg is a short string option followed by its value.
* @example
* isShortOptionAndValue('-a', {}); // returns false
* isShortOptionAndValue('-ab', {}); // returns false
* isShortOptionAndValue('-fFILE', {
* options: { foo: { short: 'f', type: 'string' }}
* }) // returns true
*/
function isShortOptionAndValue(arg, options) {
validateObject(options, 'options');
if (arg.length <= 2) return false;
if (StringPrototypeCharAt(arg, 0) !== '-') return false;
if (StringPrototypeCharAt(arg, 1) === '-') return false;
const shortOption = StringPrototypeCharAt(arg, 1);
const longOption = findLongOptionForShort(shortOption, options);
return optionsGetOwn(options, longOption, 'type') === 'string';
}
/**
* Find the long option associated with a short option. Looks for a configured
* `short` and returns the short option itself if a long option is not found.
* @example
* findLongOptionForShort('a', {}) // returns 'a'
* findLongOptionForShort('b', {
* options: { bar: { short: 'b' } }
* }) // returns 'bar'
*/
function findLongOptionForShort(shortOption, options) {
validateObject(options, 'options');
const longOptionEntry = ArrayPrototypeFind(
ObjectEntries(options),
({ 1: optionConfig }) => objectGetOwn(optionConfig, 'short') === shortOption
);
return longOptionEntry?.[0] ?? shortOption;
}
/**
* Check if the given option includes a default value
* and that option has not been set by the input args.
*
* @param {string} longOption - long option name e.g. 'foo'
* @param {object} optionConfig - the option configuration properties
* @param {object} values - option values returned in `values` by parseArgs
*/
function useDefaultValueOption(longOption, optionConfig, values) {
return objectGetOwn(optionConfig, 'default') !== undefined &&
values[longOption] === undefined;
}
module.exports = {
findLongOptionForShort,
isLoneLongOption,
isLoneShortOption,
isLongOptionAndValue,
isOptionValue,
isOptionLikeValue,
isShortOptionAndValue,
isShortOptionGroup,
useDefaultValueOption,
objectGetOwn,
optionsGetOwn,
};

View File

@@ -0,0 +1,33 @@
export type Options = {
/**
Match only the first ANSI escape.
@default false
*/
readonly onlyFirst: boolean;
};
/**
Regular expression for matching ANSI escape codes.
@example
```
import ansiRegex from 'ansi-regex';
ansiRegex().test('\u001B[4mcake\u001B[0m');
//=> true
ansiRegex().test('cake');
//=> false
'\u001B[4mcake\u001B[0m'.match(ansiRegex());
//=> ['\u001B[4m', '\u001B[0m']
'\u001B[4mcake\u001B[0m'.match(ansiRegex({onlyFirst: true}));
//=> ['\u001B[4m']
'\u001B]8;;https://github.com\u0007click\u001B]8;;\u0007'.match(ansiRegex());
//=> ['\u001B]8;;https://github.com\u0007', '\u001B]8;;\u0007']
```
*/
export default function ansiRegex(options?: Options): RegExp;

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export default function ansiRegex({onlyFirst = false} = {}) {
// Valid string terminator sequences are BEL, ESC\, and 0x9c
const ST = '(?:\\u0007|\\u001B\\u005C|\\u009C)';
const pattern = [
`[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]+)*|[a-zA-Z\\d]+(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?${ST})`,
'(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-nq-uy=><~]))',
].join('|');
return new RegExp(pattern, onlyFirst ? undefined : 'g');
}

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MIT License
Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.com)
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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{
"name": "ansi-regex",
"version": "6.1.0",
"description": "Regular expression for matching ANSI escape codes",
"license": "MIT",
"repository": "chalk/ansi-regex",
"funding": "https://github.com/chalk/ansi-regex?sponsor=1",
"author": {
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "https://sindresorhus.com"
},
"type": "module",
"exports": "./index.js",
"types": "./index.d.ts",
"sideEffects": false,
"engines": {
"node": ">=12"
},
"scripts": {
"test": "xo && ava && tsd",
"view-supported": "node fixtures/view-codes.js"
},
"files": [
"index.js",
"index.d.ts"
],
"keywords": [
"ansi",
"styles",
"color",
"colour",
"colors",
"terminal",
"console",
"cli",
"string",
"tty",
"escape",
"formatting",
"rgb",
"256",
"shell",
"xterm",
"command-line",
"text",
"regex",
"regexp",
"re",
"match",
"test",
"find",
"pattern"
],
"devDependencies": {
"ansi-escapes": "^5.0.0",
"ava": "^3.15.0",
"tsd": "^0.21.0",
"xo": "^0.54.2"
}
}

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# ansi-regex
> Regular expression for matching [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code)
## Install
```sh
npm install ansi-regex
```
## Usage
```js
import ansiRegex from 'ansi-regex';
ansiRegex().test('\u001B[4mcake\u001B[0m');
//=> true
ansiRegex().test('cake');
//=> false
'\u001B[4mcake\u001B[0m'.match(ansiRegex());
//=> ['\u001B[4m', '\u001B[0m']
'\u001B[4mcake\u001B[0m'.match(ansiRegex({onlyFirst: true}));
//=> ['\u001B[4m']
'\u001B]8;;https://github.com\u0007click\u001B]8;;\u0007'.match(ansiRegex());
//=> ['\u001B]8;;https://github.com\u0007', '\u001B]8;;\u0007']
```
## API
### ansiRegex(options?)
Returns a regex for matching ANSI escape codes.
#### options
Type: `object`
##### onlyFirst
Type: `boolean`\
Default: `false` *(Matches any ANSI escape codes in a string)*
Match only the first ANSI escape.
## FAQ
### Why do you test for codes not in the ECMA 48 standard?
Some of the codes we run as a test are codes that we acquired finding various lists of non-standard or manufacturer specific codes. We test for both standard and non-standard codes, as most of them follow the same or similar format and can be safely matched in strings without the risk of removing actual string content. There are a few non-standard control codes that do not follow the traditional format (i.e. they end in numbers) thus forcing us to exclude them from the test because we cannot reliably match them.
On the historical side, those ECMA standards were established in the early 90's whereas the VT100, for example, was designed in the mid/late 70's. At that point in time, control codes were still pretty ungoverned and engineers used them for a multitude of things, namely to activate hardware ports that may have been proprietary. Somewhere else you see a similar 'anarchy' of codes is in the x86 architecture for processors; there are a ton of "interrupts" that can mean different things on certain brands of processors, most of which have been phased out.
## Maintainers
- [Sindre Sorhus](https://github.com/sindresorhus)
- [Josh Junon](https://github.com/qix-)

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export interface CSPair { // eslint-disable-line @typescript-eslint/naming-convention
/**
The ANSI terminal control sequence for starting this style.
*/
readonly open: string;
/**
The ANSI terminal control sequence for ending this style.
*/
readonly close: string;
}
export interface ColorBase {
/**
The ANSI terminal control sequence for ending this color.
*/
readonly close: string;
ansi(code: number): string;
ansi256(code: number): string;
ansi16m(red: number, green: number, blue: number): string;
}
export interface Modifier {
/**
Resets the current color chain.
*/
readonly reset: CSPair;
/**
Make text bold.
*/
readonly bold: CSPair;
/**
Emitting only a small amount of light.
*/
readonly dim: CSPair;
/**
Make text italic. (Not widely supported)
*/
readonly italic: CSPair;
/**
Make text underline. (Not widely supported)
*/
readonly underline: CSPair;
/**
Make text overline.
Supported on VTE-based terminals, the GNOME terminal, mintty, and Git Bash.
*/
readonly overline: CSPair;
/**
Inverse background and foreground colors.
*/
readonly inverse: CSPair;
/**
Prints the text, but makes it invisible.
*/
readonly hidden: CSPair;
/**
Puts a horizontal line through the center of the text. (Not widely supported)
*/
readonly strikethrough: CSPair;
}
export interface ForegroundColor {
readonly black: CSPair;
readonly red: CSPair;
readonly green: CSPair;
readonly yellow: CSPair;
readonly blue: CSPair;
readonly cyan: CSPair;
readonly magenta: CSPair;
readonly white: CSPair;
/**
Alias for `blackBright`.
*/
readonly gray: CSPair;
/**
Alias for `blackBright`.
*/
readonly grey: CSPair;
readonly blackBright: CSPair;
readonly redBright: CSPair;
readonly greenBright: CSPair;
readonly yellowBright: CSPair;
readonly blueBright: CSPair;
readonly cyanBright: CSPair;
readonly magentaBright: CSPair;
readonly whiteBright: CSPair;
}
export interface BackgroundColor {
readonly bgBlack: CSPair;
readonly bgRed: CSPair;
readonly bgGreen: CSPair;
readonly bgYellow: CSPair;
readonly bgBlue: CSPair;
readonly bgCyan: CSPair;
readonly bgMagenta: CSPair;
readonly bgWhite: CSPair;
/**
Alias for `bgBlackBright`.
*/
readonly bgGray: CSPair;
/**
Alias for `bgBlackBright`.
*/
readonly bgGrey: CSPair;
readonly bgBlackBright: CSPair;
readonly bgRedBright: CSPair;
readonly bgGreenBright: CSPair;
readonly bgYellowBright: CSPair;
readonly bgBlueBright: CSPair;
readonly bgCyanBright: CSPair;
readonly bgMagentaBright: CSPair;
readonly bgWhiteBright: CSPair;
}
export interface ConvertColor {
/**
Convert from the RGB color space to the ANSI 256 color space.
@param red - (`0...255`)
@param green - (`0...255`)
@param blue - (`0...255`)
*/
rgbToAnsi256(red: number, green: number, blue: number): number;
/**
Convert from the RGB HEX color space to the RGB color space.
@param hex - A hexadecimal string containing RGB data.
*/
hexToRgb(hex: string): [red: number, green: number, blue: number];
/**
Convert from the RGB HEX color space to the ANSI 256 color space.
@param hex - A hexadecimal string containing RGB data.
*/
hexToAnsi256(hex: string): number;
/**
Convert from the ANSI 256 color space to the ANSI 16 color space.
@param code - A number representing the ANSI 256 color.
*/
ansi256ToAnsi(code: number): number;
/**
Convert from the RGB color space to the ANSI 16 color space.
@param red - (`0...255`)
@param green - (`0...255`)
@param blue - (`0...255`)
*/
rgbToAnsi(red: number, green: number, blue: number): number;
/**
Convert from the RGB HEX color space to the ANSI 16 color space.
@param hex - A hexadecimal string containing RGB data.
*/
hexToAnsi(hex: string): number;
}
/**
Basic modifier names.
*/
export type ModifierName = keyof Modifier;
/**
Basic foreground color names.
[More colors here.](https://github.com/chalk/chalk/blob/main/readme.md#256-and-truecolor-color-support)
*/
export type ForegroundColorName = keyof ForegroundColor;
/**
Basic background color names.
[More colors here.](https://github.com/chalk/chalk/blob/main/readme.md#256-and-truecolor-color-support)
*/
export type BackgroundColorName = keyof BackgroundColor;
/**
Basic color names. The combination of foreground and background color names.
[More colors here.](https://github.com/chalk/chalk/blob/main/readme.md#256-and-truecolor-color-support)
*/
export type ColorName = ForegroundColorName | BackgroundColorName;
/**
Basic modifier names.
*/
export const modifierNames: readonly ModifierName[];
/**
Basic foreground color names.
*/
export const foregroundColorNames: readonly ForegroundColorName[];
/**
Basic background color names.
*/
export const backgroundColorNames: readonly BackgroundColorName[];
/*
Basic color names. The combination of foreground and background color names.
*/
export const colorNames: readonly ColorName[];
declare const ansiStyles: {
readonly modifier: Modifier;
readonly color: ColorBase & ForegroundColor;
readonly bgColor: ColorBase & BackgroundColor;
readonly codes: ReadonlyMap<number, number>;
} & ForegroundColor & BackgroundColor & Modifier & ConvertColor;
export default ansiStyles;

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const ANSI_BACKGROUND_OFFSET = 10;
const wrapAnsi16 = (offset = 0) => code => `\u001B[${code + offset}m`;
const wrapAnsi256 = (offset = 0) => code => `\u001B[${38 + offset};5;${code}m`;
const wrapAnsi16m = (offset = 0) => (red, green, blue) => `\u001B[${38 + offset};2;${red};${green};${blue}m`;
const styles = {
modifier: {
reset: [0, 0],
// 21 isn't widely supported and 22 does the same thing
bold: [1, 22],
dim: [2, 22],
italic: [3, 23],
underline: [4, 24],
overline: [53, 55],
inverse: [7, 27],
hidden: [8, 28],
strikethrough: [9, 29],
},
color: {
black: [30, 39],
red: [31, 39],
green: [32, 39],
yellow: [33, 39],
blue: [34, 39],
magenta: [35, 39],
cyan: [36, 39],
white: [37, 39],
// Bright color
blackBright: [90, 39],
gray: [90, 39], // Alias of `blackBright`
grey: [90, 39], // Alias of `blackBright`
redBright: [91, 39],
greenBright: [92, 39],
yellowBright: [93, 39],
blueBright: [94, 39],
magentaBright: [95, 39],
cyanBright: [96, 39],
whiteBright: [97, 39],
},
bgColor: {
bgBlack: [40, 49],
bgRed: [41, 49],
bgGreen: [42, 49],
bgYellow: [43, 49],
bgBlue: [44, 49],
bgMagenta: [45, 49],
bgCyan: [46, 49],
bgWhite: [47, 49],
// Bright color
bgBlackBright: [100, 49],
bgGray: [100, 49], // Alias of `bgBlackBright`
bgGrey: [100, 49], // Alias of `bgBlackBright`
bgRedBright: [101, 49],
bgGreenBright: [102, 49],
bgYellowBright: [103, 49],
bgBlueBright: [104, 49],
bgMagentaBright: [105, 49],
bgCyanBright: [106, 49],
bgWhiteBright: [107, 49],
},
};
export const modifierNames = Object.keys(styles.modifier);
export const foregroundColorNames = Object.keys(styles.color);
export const backgroundColorNames = Object.keys(styles.bgColor);
export const colorNames = [...foregroundColorNames, ...backgroundColorNames];
function assembleStyles() {
const codes = new Map();
for (const [groupName, group] of Object.entries(styles)) {
for (const [styleName, style] of Object.entries(group)) {
styles[styleName] = {
open: `\u001B[${style[0]}m`,
close: `\u001B[${style[1]}m`,
};
group[styleName] = styles[styleName];
codes.set(style[0], style[1]);
}
Object.defineProperty(styles, groupName, {
value: group,
enumerable: false,
});
}
Object.defineProperty(styles, 'codes', {
value: codes,
enumerable: false,
});
styles.color.close = '\u001B[39m';
styles.bgColor.close = '\u001B[49m';
styles.color.ansi = wrapAnsi16();
styles.color.ansi256 = wrapAnsi256();
styles.color.ansi16m = wrapAnsi16m();
styles.bgColor.ansi = wrapAnsi16(ANSI_BACKGROUND_OFFSET);
styles.bgColor.ansi256 = wrapAnsi256(ANSI_BACKGROUND_OFFSET);
styles.bgColor.ansi16m = wrapAnsi16m(ANSI_BACKGROUND_OFFSET);
// From https://github.com/Qix-/color-convert/blob/3f0e0d4e92e235796ccb17f6e85c72094a651f49/conversions.js
Object.defineProperties(styles, {
rgbToAnsi256: {
value: (red, green, blue) => {
// We use the extended greyscale palette here, with the exception of
// black and white. normal palette only has 4 greyscale shades.
if (red === green && green === blue) {
if (red < 8) {
return 16;
}
if (red > 248) {
return 231;
}
return Math.round(((red - 8) / 247) * 24) + 232;
}
return 16
+ (36 * Math.round(red / 255 * 5))
+ (6 * Math.round(green / 255 * 5))
+ Math.round(blue / 255 * 5);
},
enumerable: false,
},
hexToRgb: {
value: hex => {
const matches = /[a-f\d]{6}|[a-f\d]{3}/i.exec(hex.toString(16));
if (!matches) {
return [0, 0, 0];
}
let [colorString] = matches;
if (colorString.length === 3) {
colorString = [...colorString].map(character => character + character).join('');
}
const integer = Number.parseInt(colorString, 16);
return [
/* eslint-disable no-bitwise */
(integer >> 16) & 0xFF,
(integer >> 8) & 0xFF,
integer & 0xFF,
/* eslint-enable no-bitwise */
];
},
enumerable: false,
},
hexToAnsi256: {
value: hex => styles.rgbToAnsi256(...styles.hexToRgb(hex)),
enumerable: false,
},
ansi256ToAnsi: {
value: code => {
if (code < 8) {
return 30 + code;
}
if (code < 16) {
return 90 + (code - 8);
}
let red;
let green;
let blue;
if (code >= 232) {
red = (((code - 232) * 10) + 8) / 255;
green = red;
blue = red;
} else {
code -= 16;
const remainder = code % 36;
red = Math.floor(code / 36) / 5;
green = Math.floor(remainder / 6) / 5;
blue = (remainder % 6) / 5;
}
const value = Math.max(red, green, blue) * 2;
if (value === 0) {
return 30;
}
// eslint-disable-next-line no-bitwise
let result = 30 + ((Math.round(blue) << 2) | (Math.round(green) << 1) | Math.round(red));
if (value === 2) {
result += 60;
}
return result;
},
enumerable: false,
},
rgbToAnsi: {
value: (red, green, blue) => styles.ansi256ToAnsi(styles.rgbToAnsi256(red, green, blue)),
enumerable: false,
},
hexToAnsi: {
value: hex => styles.ansi256ToAnsi(styles.hexToAnsi256(hex)),
enumerable: false,
},
});
return styles;
}
const ansiStyles = assembleStyles();
export default ansiStyles;

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MIT License
Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.com)
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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{
"name": "ansi-styles",
"version": "6.2.1",
"description": "ANSI escape codes for styling strings in the terminal",
"license": "MIT",
"repository": "chalk/ansi-styles",
"funding": "https://github.com/chalk/ansi-styles?sponsor=1",
"author": {
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "https://sindresorhus.com"
},
"type": "module",
"exports": "./index.js",
"engines": {
"node": ">=12"
},
"scripts": {
"test": "xo && ava && tsd",
"screenshot": "svg-term --command='node screenshot' --out=screenshot.svg --padding=3 --width=55 --height=3 --at=1000 --no-cursor"
},
"files": [
"index.js",
"index.d.ts"
],
"keywords": [
"ansi",
"styles",
"color",
"colour",
"colors",
"terminal",
"console",
"cli",
"string",
"tty",
"escape",
"formatting",
"rgb",
"256",
"shell",
"xterm",
"log",
"logging",
"command-line",
"text"
],
"devDependencies": {
"ava": "^3.15.0",
"svg-term-cli": "^2.1.1",
"tsd": "^0.19.0",
"xo": "^0.47.0"
}
}

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# ansi-styles
> [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code#Colors_and_Styles) for styling strings in the terminal
You probably want the higher-level [chalk](https://github.com/chalk/chalk) module for styling your strings.
![](screenshot.png)
## Install
```sh
npm install ansi-styles
```
## Usage
```js
import styles from 'ansi-styles';
console.log(`${styles.green.open}Hello world!${styles.green.close}`);
// Color conversion between 256/truecolor
// NOTE: When converting from truecolor to 256 colors, the original color
// may be degraded to fit the new color palette. This means terminals
// that do not support 16 million colors will best-match the
// original color.
console.log(`${styles.color.ansi(styles.rgbToAnsi(199, 20, 250))}Hello World${styles.color.close}`)
console.log(`${styles.color.ansi256(styles.rgbToAnsi256(199, 20, 250))}Hello World${styles.color.close}`)
console.log(`${styles.color.ansi16m(...styles.hexToRgb('#abcdef'))}Hello World${styles.color.close}`)
```
## API
### `open` and `close`
Each style has an `open` and `close` property.
### `modifierNames`, `foregroundColorNames`, `backgroundColorNames`, and `colorNames`
All supported style strings are exposed as an array of strings for convenience. `colorNames` is the combination of `foregroundColorNames` and `backgroundColorNames`.
This can be useful if you need to validate input:
```js
import {modifierNames, foregroundColorNames} from 'ansi-styles';
console.log(modifierNames.includes('bold'));
//=> true
console.log(foregroundColorNames.includes('pink'));
//=> false
```
## Styles
### Modifiers
- `reset`
- `bold`
- `dim`
- `italic` *(Not widely supported)*
- `underline`
- `overline` *Supported on VTE-based terminals, the GNOME terminal, mintty, and Git Bash.*
- `inverse`
- `hidden`
- `strikethrough` *(Not widely supported)*
### Colors
- `black`
- `red`
- `green`
- `yellow`
- `blue`
- `magenta`
- `cyan`
- `white`
- `blackBright` (alias: `gray`, `grey`)
- `redBright`
- `greenBright`
- `yellowBright`
- `blueBright`
- `magentaBright`
- `cyanBright`
- `whiteBright`
### Background colors
- `bgBlack`
- `bgRed`
- `bgGreen`
- `bgYellow`
- `bgBlue`
- `bgMagenta`
- `bgCyan`
- `bgWhite`
- `bgBlackBright` (alias: `bgGray`, `bgGrey`)
- `bgRedBright`
- `bgGreenBright`
- `bgYellowBright`
- `bgBlueBright`
- `bgMagentaBright`
- `bgCyanBright`
- `bgWhiteBright`
## Advanced usage
By default, you get a map of styles, but the styles are also available as groups. They are non-enumerable so they don't show up unless you access them explicitly. This makes it easier to expose only a subset in a higher-level module.
- `styles.modifier`
- `styles.color`
- `styles.bgColor`
###### Example
```js
import styles from 'ansi-styles';
console.log(styles.color.green.open);
```
Raw escape codes (i.e. without the CSI escape prefix `\u001B[` and render mode postfix `m`) are available under `styles.codes`, which returns a `Map` with the open codes as keys and close codes as values.
###### Example
```js
import styles from 'ansi-styles';
console.log(styles.codes.get(36));
//=> 39
```
## 16 / 256 / 16 million (TrueColor) support
`ansi-styles` allows converting between various color formats and ANSI escapes, with support for 16, 256 and [16 million colors](https://gist.github.com/XVilka/8346728).
The following color spaces are supported:
- `rgb`
- `hex`
- `ansi256`
- `ansi`
To use these, call the associated conversion function with the intended output, for example:
```js
import styles from 'ansi-styles';
styles.color.ansi(styles.rgbToAnsi(100, 200, 15)); // RGB to 16 color ansi foreground code
styles.bgColor.ansi(styles.hexToAnsi('#C0FFEE')); // HEX to 16 color ansi foreground code
styles.color.ansi256(styles.rgbToAnsi256(100, 200, 15)); // RGB to 256 color ansi foreground code
styles.bgColor.ansi256(styles.hexToAnsi256('#C0FFEE')); // HEX to 256 color ansi foreground code
styles.color.ansi16m(100, 200, 15); // RGB to 16 million color foreground code
styles.bgColor.ansi16m(...styles.hexToRgb('#C0FFEE')); // Hex (RGB) to 16 million color foreground code
```
## Related
- [ansi-escapes](https://github.com/sindresorhus/ansi-escapes) - ANSI escape codes for manipulating the terminal
## Maintainers
- [Sindre Sorhus](https://github.com/sindresorhus)
- [Josh Junon](https://github.com/qix-)
## For enterprise
Available as part of the Tidelift Subscription.
The maintainers of `ansi-styles` and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-ansi-styles?utm_source=npm-ansi-styles&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)

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Copyright Mathias Bynens <https://mathiasbynens.be/>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# emoji-regex [![Build status](https://travis-ci.org/mathiasbynens/emoji-regex.svg?branch=main)](https://travis-ci.org/mathiasbynens/emoji-regex)
_emoji-regex_ offers a regular expression to match all emoji symbols and sequences (including textual representations of emoji) as per the Unicode Standard.
This repository contains a script that generates this regular expression based on [Unicode data](https://github.com/node-unicode/node-unicode-data). Because of this, the regular expression can easily be updated whenever new emoji are added to the Unicode standard.
## Installation
Via [npm](https://www.npmjs.com/):
```bash
npm install emoji-regex
```
In [Node.js](https://nodejs.org/):
```js
const emojiRegex = require('emoji-regex/RGI_Emoji.js');
// Note: because the regular expression has the global flag set, this module
// exports a function that returns the regex rather than exporting the regular
// expression itself, to make it impossible to (accidentally) mutate the
// original regular expression.
const text = `
\u{231A}: ⌚ default emoji presentation character (Emoji_Presentation)
\u{2194}\u{FE0F}: ↔️ default text presentation character rendered as emoji
\u{1F469}: 👩 emoji modifier base (Emoji_Modifier_Base)
\u{1F469}\u{1F3FF}: 👩🏿 emoji modifier base followed by a modifier
`;
const regex = emojiRegex();
let match;
while (match = regex.exec(text)) {
const emoji = match[0];
console.log(`Matched sequence ${ emoji } — code points: ${ [...emoji].length }`);
}
```
Console output:
```
Matched sequence ⌚ — code points: 1
Matched sequence ⌚ — code points: 1
Matched sequence ↔️ — code points: 2
Matched sequence ↔️ — code points: 2
Matched sequence 👩 — code points: 1
Matched sequence 👩 — code points: 1
Matched sequence 👩🏿 — code points: 2
Matched sequence 👩🏿 — code points: 2
```
## Regular expression flavors
The package comes with three distinct regular expressions:
```js
// This is the recommended regular expression to use. It matches all
// emoji recommended for general interchange, as defined via the
// `RGI_Emoji` property in the Unicode Standard.
// https://unicode.org/reports/tr51/#def_rgi_set
// When in doubt, use this!
const emojiRegexRGI = require('emoji-regex/RGI_Emoji.js');
// This is the old regular expression, prior to `RGI_Emoji` being
// standardized. In addition to all `RGI_Emoji` sequences, it matches
// some emoji you probably dont want to match (such as emoji component
// symbols that are not meant to be used separately).
const emojiRegex = require('emoji-regex/index.js');
// This regular expression matches even more emoji than the previous
// one, including emoji that render as text instead of icons (i.e.
// emoji that are not `Emoji_Presentation` symbols and that arent
// forced to render as emoji by a variation selector).
const emojiRegexText = require('emoji-regex/text.js');
```
Additionally, in environments which support ES2015 Unicode escapes, you may `require` ES2015-style versions of the regexes:
```js
const emojiRegexRGI = require('emoji-regex/es2015/RGI_Emoji.js');
const emojiRegex = require('emoji-regex/es2015/index.js');
const emojiRegexText = require('emoji-regex/es2015/text.js');
```
## For maintainers
### How to update emoji-regex after new Unicode Standard releases
1. Update the Unicode data dependency in `package.json` by running the following commands:
```sh
# Example: updating from Unicode v12 to Unicode v13.
npm uninstall @unicode/unicode-12.0.0
npm install @unicode/unicode-13.0.0 --save-dev
````
1. Generate the new output:
```sh
npm run build
```
1. Verify that tests still pass:
```sh
npm test
```
1. Send a pull request with the changes, and get it reviewed & merged.
1. On the `main` branch, bump the emoji-regex version number in `package.json`:
```sh
npm version patch -m 'Release v%s'
```
Instead of `patch`, use `minor` or `major` [as needed](https://semver.org/).
Note that this produces a Git commit + tag.
1. Push the release commit and tag:
```sh
git push
```
Our CI then automatically publishes the new release to npm.
## Author
| [![twitter/mathias](https://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter") |
|---|
| [Mathias Bynens](https://mathiasbynens.be/) |
## License
_emoji-regex_ is available under the [MIT](https://mths.be/mit) license.

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declare module 'emoji-regex/RGI_Emoji' {
function emojiRegex(): RegExp;
export = emojiRegex;
}

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declare module 'emoji-regex/es2015/RGI_Emoji' {
function emojiRegex(): RegExp;
export = emojiRegex;
}

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declare module 'emoji-regex/es2015' {
function emojiRegex(): RegExp;
export = emojiRegex;
}

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declare module 'emoji-regex/es2015/text' {
function emojiRegex(): RegExp;
export = emojiRegex;
}

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declare module 'emoji-regex' {
function emojiRegex(): RegExp;
export = emojiRegex;
}

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{
"name": "emoji-regex",
"version": "9.2.2",
"description": "A regular expression to match all Emoji-only symbols as per the Unicode Standard.",
"homepage": "https://mths.be/emoji-regex",
"main": "index.js",
"types": "index.d.ts",
"keywords": [
"unicode",
"regex",
"regexp",
"regular expressions",
"code points",
"symbols",
"characters",
"emoji"
],
"license": "MIT",
"author": {
"name": "Mathias Bynens",
"url": "https://mathiasbynens.be/"
},
"repository": {
"type": "git",
"url": "https://github.com/mathiasbynens/emoji-regex.git"
},
"bugs": "https://github.com/mathiasbynens/emoji-regex/issues",
"files": [
"LICENSE-MIT.txt",
"index.js",
"index.d.ts",
"RGI_Emoji.js",
"RGI_Emoji.d.ts",
"text.js",
"text.d.ts",
"es2015"
],
"scripts": {
"build": "rm -rf -- es2015; babel src -d .; NODE_ENV=es2015 babel src es2015_types -D -d ./es2015; node script/inject-sequences.js",
"test": "mocha",
"test:watch": "npm run test -- --watch"
},
"devDependencies": {
"@babel/cli": "^7.4.4",
"@babel/core": "^7.4.4",
"@babel/plugin-proposal-unicode-property-regex": "^7.4.4",
"@babel/preset-env": "^7.4.4",
"@unicode/unicode-13.0.0": "^1.0.3",
"mocha": "^6.1.4",
"regexgen": "^1.3.0"
}
}

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declare module 'emoji-regex/text' {
function emojiRegex(): RegExp;
export = emojiRegex;
}

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export interface Options {
/**
Count [ambiguous width characters](https://www.unicode.org/reports/tr11/#Ambiguous) as having narrow width (count of 1) instead of wide width (count of 2).
@default true
*/
readonly ambiguousIsNarrow: boolean;
}
/**
Get the visual width of a string - the number of columns required to display it.
Some Unicode characters are [fullwidth](https://en.wikipedia.org/wiki/Halfwidth_and_fullwidth_forms) and use double the normal width. [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code) are stripped and doesn't affect the width.
@example
```
import stringWidth from 'string-width';
stringWidth('a');
//=> 1
stringWidth('古');
//=> 2
stringWidth('\u001B[1m古\u001B[22m');
//=> 2
```
*/
export default function stringWidth(string: string, options?: Options): number;

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import stripAnsi from 'strip-ansi';
import eastAsianWidth from 'eastasianwidth';
import emojiRegex from 'emoji-regex';
export default function stringWidth(string, options = {}) {
if (typeof string !== 'string' || string.length === 0) {
return 0;
}
options = {
ambiguousIsNarrow: true,
...options
};
string = stripAnsi(string);
if (string.length === 0) {
return 0;
}
string = string.replace(emojiRegex(), ' ');
const ambiguousCharacterWidth = options.ambiguousIsNarrow ? 1 : 2;
let width = 0;
for (const character of string) {
const codePoint = character.codePointAt(0);
// Ignore control characters
if (codePoint <= 0x1F || (codePoint >= 0x7F && codePoint <= 0x9F)) {
continue;
}
// Ignore combining characters
if (codePoint >= 0x300 && codePoint <= 0x36F) {
continue;
}
const code = eastAsianWidth.eastAsianWidth(character);
switch (code) {
case 'F':
case 'W':
width += 2;
break;
case 'A':
width += ambiguousCharacterWidth;
break;
default:
width += 1;
}
}
return width;
}

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MIT License
Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.com)
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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{
"name": "string-width",
"version": "5.1.2",
"description": "Get the visual width of a string - the number of columns required to display it",
"license": "MIT",
"repository": "sindresorhus/string-width",
"funding": "https://github.com/sponsors/sindresorhus",
"author": {
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "https://sindresorhus.com"
},
"type": "module",
"exports": "./index.js",
"engines": {
"node": ">=12"
},
"scripts": {
"test": "xo && ava && tsd"
},
"files": [
"index.js",
"index.d.ts"
],
"keywords": [
"string",
"character",
"unicode",
"width",
"visual",
"column",
"columns",
"fullwidth",
"full-width",
"full",
"ansi",
"escape",
"codes",
"cli",
"command-line",
"terminal",
"console",
"cjk",
"chinese",
"japanese",
"korean",
"fixed-width"
],
"dependencies": {
"eastasianwidth": "^0.2.0",
"emoji-regex": "^9.2.2",
"strip-ansi": "^7.0.1"
},
"devDependencies": {
"ava": "^3.15.0",
"tsd": "^0.14.0",
"xo": "^0.38.2"
}
}

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# string-width
> Get the visual width of a string - the number of columns required to display it
Some Unicode characters are [fullwidth](https://en.wikipedia.org/wiki/Halfwidth_and_fullwidth_forms) and use double the normal width. [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code) are stripped and doesn't affect the width.
Useful to be able to measure the actual width of command-line output.
## Install
```
$ npm install string-width
```
## Usage
```js
import stringWidth from 'string-width';
stringWidth('a');
//=> 1
stringWidth('古');
//=> 2
stringWidth('\u001B[1m古\u001B[22m');
//=> 2
```
## API
### stringWidth(string, options?)
#### string
Type: `string`
The string to be counted.
#### options
Type: `object`
##### ambiguousIsNarrow
Type: `boolean`\
Default: `false`
Count [ambiguous width characters](https://www.unicode.org/reports/tr11/#Ambiguous) as having narrow width (count of 1) instead of wide width (count of 2).
## Related
- [string-width-cli](https://github.com/sindresorhus/string-width-cli) - CLI for this module
- [string-length](https://github.com/sindresorhus/string-length) - Get the real length of a string
- [widest-line](https://github.com/sindresorhus/widest-line) - Get the visual width of the widest line in a string
---
<div align="center">
<b>
<a href="https://tidelift.com/subscription/pkg/npm-string-width?utm_source=npm-string-width&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
</b>
<br>
<sub>
Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
</sub>
</div>

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/**
Strip [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code) from a string.
@example
```
import stripAnsi from 'strip-ansi';
stripAnsi('\u001B[4mUnicorn\u001B[0m');
//=> 'Unicorn'
stripAnsi('\u001B]8;;https://github.com\u0007Click\u001B]8;;\u0007');
//=> 'Click'
```
*/
export default function stripAnsi(string: string): string;

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import ansiRegex from 'ansi-regex';
const regex = ansiRegex();
export default function stripAnsi(string) {
if (typeof string !== 'string') {
throw new TypeError(`Expected a \`string\`, got \`${typeof string}\``);
}
// Even though the regex is global, we don't need to reset the `.lastIndex`
// because unlike `.exec()` and `.test()`, `.replace()` does it automatically
// and doing it manually has a performance penalty.
return string.replace(regex, '');
}

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MIT License
Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.com)
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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{
"name": "strip-ansi",
"version": "7.1.0",
"description": "Strip ANSI escape codes from a string",
"license": "MIT",
"repository": "chalk/strip-ansi",
"funding": "https://github.com/chalk/strip-ansi?sponsor=1",
"author": {
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "https://sindresorhus.com"
},
"type": "module",
"exports": "./index.js",
"engines": {
"node": ">=12"
},
"scripts": {
"test": "xo && ava && tsd"
},
"files": [
"index.js",
"index.d.ts"
],
"keywords": [
"strip",
"trim",
"remove",
"ansi",
"styles",
"color",
"colour",
"colors",
"terminal",
"console",
"string",
"tty",
"escape",
"formatting",
"rgb",
"256",
"shell",
"xterm",
"log",
"logging",
"command-line",
"text"
],
"dependencies": {
"ansi-regex": "^6.0.1"
},
"devDependencies": {
"ava": "^3.15.0",
"tsd": "^0.17.0",
"xo": "^0.44.0"
}
}

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# strip-ansi
> Strip [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code) from a string
## Install
```
$ npm install strip-ansi
```
## Usage
```js
import stripAnsi from 'strip-ansi';
stripAnsi('\u001B[4mUnicorn\u001B[0m');
//=> 'Unicorn'
stripAnsi('\u001B]8;;https://github.com\u0007Click\u001B]8;;\u0007');
//=> 'Click'
```
## strip-ansi for enterprise
Available as part of the Tidelift Subscription.
The maintainers of strip-ansi and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-strip-ansi?utm_source=npm-strip-ansi&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)
## Related
- [strip-ansi-cli](https://github.com/chalk/strip-ansi-cli) - CLI for this module
- [strip-ansi-stream](https://github.com/chalk/strip-ansi-stream) - Streaming version of this module
- [has-ansi](https://github.com/chalk/has-ansi) - Check if a string has ANSI escape codes
- [ansi-regex](https://github.com/chalk/ansi-regex) - Regular expression for matching ANSI escape codes
- [chalk](https://github.com/chalk/chalk) - Terminal string styling done right
## Maintainers
- [Sindre Sorhus](https://github.com/sindresorhus)
- [Josh Junon](https://github.com/qix-)

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export type Options = {
/**
By default the wrap is soft, meaning long words may extend past the column width. Setting this to `true` will make it hard wrap at the column width.
@default false
*/
readonly hard?: boolean;
/**
By default, an attempt is made to split words at spaces, ensuring that they don't extend past the configured columns. If wordWrap is `false`, each column will instead be completely filled splitting words as necessary.
@default true
*/
readonly wordWrap?: boolean;
/**
Whitespace on all lines is removed by default. Set this option to `false` if you don't want to trim.
@default true
*/
readonly trim?: boolean;
};
/**
Wrap words to the specified column width.
@param string - String with ANSI escape codes. Like one styled by [`chalk`](https://github.com/chalk/chalk). Newline characters will be normalized to `\n`.
@param columns - Number of columns to wrap the text to.
@example
```
import chalk from 'chalk';
import wrapAnsi from 'wrap-ansi';
const input = 'The quick brown ' + chalk.red('fox jumped over ') +
'the lazy ' + chalk.green('dog and then ran away with the unicorn.');
console.log(wrapAnsi(input, 20));
```
*/
export default function wrapAnsi(string: string, columns: number, options?: Options): string;

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import stringWidth from 'string-width';
import stripAnsi from 'strip-ansi';
import ansiStyles from 'ansi-styles';
const ESCAPES = new Set([
'\u001B',
'\u009B',
]);
const END_CODE = 39;
const ANSI_ESCAPE_BELL = '\u0007';
const ANSI_CSI = '[';
const ANSI_OSC = ']';
const ANSI_SGR_TERMINATOR = 'm';
const ANSI_ESCAPE_LINK = `${ANSI_OSC}8;;`;
const wrapAnsiCode = code => `${ESCAPES.values().next().value}${ANSI_CSI}${code}${ANSI_SGR_TERMINATOR}`;
const wrapAnsiHyperlink = uri => `${ESCAPES.values().next().value}${ANSI_ESCAPE_LINK}${uri}${ANSI_ESCAPE_BELL}`;
// Calculate the length of words split on ' ', ignoring
// the extra characters added by ansi escape codes
const wordLengths = string => string.split(' ').map(character => stringWidth(character));
// Wrap a long word across multiple rows
// Ansi escape codes do not count towards length
const wrapWord = (rows, word, columns) => {
const characters = [...word];
let isInsideEscape = false;
let isInsideLinkEscape = false;
let visible = stringWidth(stripAnsi(rows[rows.length - 1]));
for (const [index, character] of characters.entries()) {
const characterLength = stringWidth(character);
if (visible + characterLength <= columns) {
rows[rows.length - 1] += character;
} else {
rows.push(character);
visible = 0;
}
if (ESCAPES.has(character)) {
isInsideEscape = true;
isInsideLinkEscape = characters.slice(index + 1).join('').startsWith(ANSI_ESCAPE_LINK);
}
if (isInsideEscape) {
if (isInsideLinkEscape) {
if (character === ANSI_ESCAPE_BELL) {
isInsideEscape = false;
isInsideLinkEscape = false;
}
} else if (character === ANSI_SGR_TERMINATOR) {
isInsideEscape = false;
}
continue;
}
visible += characterLength;
if (visible === columns && index < characters.length - 1) {
rows.push('');
visible = 0;
}
}
// It's possible that the last row we copy over is only
// ansi escape characters, handle this edge-case
if (!visible && rows[rows.length - 1].length > 0 && rows.length > 1) {
rows[rows.length - 2] += rows.pop();
}
};
// Trims spaces from a string ignoring invisible sequences
const stringVisibleTrimSpacesRight = string => {
const words = string.split(' ');
let last = words.length;
while (last > 0) {
if (stringWidth(words[last - 1]) > 0) {
break;
}
last--;
}
if (last === words.length) {
return string;
}
return words.slice(0, last).join(' ') + words.slice(last).join('');
};
// The wrap-ansi module can be invoked in either 'hard' or 'soft' wrap mode
//
// 'hard' will never allow a string to take up more than columns characters
//
// 'soft' allows long words to expand past the column length
const exec = (string, columns, options = {}) => {
if (options.trim !== false && string.trim() === '') {
return '';
}
let returnValue = '';
let escapeCode;
let escapeUrl;
const lengths = wordLengths(string);
let rows = [''];
for (const [index, word] of string.split(' ').entries()) {
if (options.trim !== false) {
rows[rows.length - 1] = rows[rows.length - 1].trimStart();
}
let rowLength = stringWidth(rows[rows.length - 1]);
if (index !== 0) {
if (rowLength >= columns && (options.wordWrap === false || options.trim === false)) {
// If we start with a new word but the current row length equals the length of the columns, add a new row
rows.push('');
rowLength = 0;
}
if (rowLength > 0 || options.trim === false) {
rows[rows.length - 1] += ' ';
rowLength++;
}
}
// In 'hard' wrap mode, the length of a line is never allowed to extend past 'columns'
if (options.hard && lengths[index] > columns) {
const remainingColumns = (columns - rowLength);
const breaksStartingThisLine = 1 + Math.floor((lengths[index] - remainingColumns - 1) / columns);
const breaksStartingNextLine = Math.floor((lengths[index] - 1) / columns);
if (breaksStartingNextLine < breaksStartingThisLine) {
rows.push('');
}
wrapWord(rows, word, columns);
continue;
}
if (rowLength + lengths[index] > columns && rowLength > 0 && lengths[index] > 0) {
if (options.wordWrap === false && rowLength < columns) {
wrapWord(rows, word, columns);
continue;
}
rows.push('');
}
if (rowLength + lengths[index] > columns && options.wordWrap === false) {
wrapWord(rows, word, columns);
continue;
}
rows[rows.length - 1] += word;
}
if (options.trim !== false) {
rows = rows.map(row => stringVisibleTrimSpacesRight(row));
}
const pre = [...rows.join('\n')];
for (const [index, character] of pre.entries()) {
returnValue += character;
if (ESCAPES.has(character)) {
const {groups} = new RegExp(`(?:\\${ANSI_CSI}(?<code>\\d+)m|\\${ANSI_ESCAPE_LINK}(?<uri>.*)${ANSI_ESCAPE_BELL})`).exec(pre.slice(index).join('')) || {groups: {}};
if (groups.code !== undefined) {
const code = Number.parseFloat(groups.code);
escapeCode = code === END_CODE ? undefined : code;
} else if (groups.uri !== undefined) {
escapeUrl = groups.uri.length === 0 ? undefined : groups.uri;
}
}
const code = ansiStyles.codes.get(Number(escapeCode));
if (pre[index + 1] === '\n') {
if (escapeUrl) {
returnValue += wrapAnsiHyperlink('');
}
if (escapeCode && code) {
returnValue += wrapAnsiCode(code);
}
} else if (character === '\n') {
if (escapeCode && code) {
returnValue += wrapAnsiCode(escapeCode);
}
if (escapeUrl) {
returnValue += wrapAnsiHyperlink(escapeUrl);
}
}
}
return returnValue;
};
// For each newline, invoke the method separately
export default function wrapAnsi(string, columns, options) {
return String(string)
.normalize()
.replace(/\r\n/g, '\n')
.split('\n')
.map(line => exec(line, columns, options))
.join('\n');
}

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MIT License
Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.com)
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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{
"name": "wrap-ansi",
"version": "8.1.0",
"description": "Wordwrap a string with ANSI escape codes",
"license": "MIT",
"repository": "chalk/wrap-ansi",
"funding": "https://github.com/chalk/wrap-ansi?sponsor=1",
"author": {
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "https://sindresorhus.com"
},
"type": "module",
"exports": {
"types": "./index.d.ts",
"default": "./index.js"
},
"engines": {
"node": ">=12"
},
"scripts": {
"test": "xo && nyc ava && tsd"
},
"files": [
"index.js",
"index.d.ts"
],
"keywords": [
"wrap",
"break",
"wordwrap",
"wordbreak",
"linewrap",
"ansi",
"styles",
"color",
"colour",
"colors",
"terminal",
"console",
"cli",
"string",
"tty",
"escape",
"formatting",
"rgb",
"256",
"shell",
"xterm",
"log",
"logging",
"command-line",
"text"
],
"dependencies": {
"ansi-styles": "^6.1.0",
"string-width": "^5.0.1",
"strip-ansi": "^7.0.1"
},
"devDependencies": {
"ava": "^3.15.0",
"chalk": "^4.1.2",
"coveralls": "^3.1.1",
"has-ansi": "^5.0.1",
"nyc": "^15.1.0",
"tsd": "^0.25.0",
"xo": "^0.44.0"
}
}

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# wrap-ansi
> Wordwrap a string with [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code#Colors_and_Styles)
## Install
```
$ npm install wrap-ansi
```
## Usage
```js
import chalk from 'chalk';
import wrapAnsi from 'wrap-ansi';
const input = 'The quick brown ' + chalk.red('fox jumped over ') +
'the lazy ' + chalk.green('dog and then ran away with the unicorn.');
console.log(wrapAnsi(input, 20));
```
<img width="331" src="screenshot.png">
## API
### wrapAnsi(string, columns, options?)
Wrap words to the specified column width.
#### string
Type: `string`
String with ANSI escape codes. Like one styled by [`chalk`](https://github.com/chalk/chalk). Newline characters will be normalized to `\n`.
#### columns
Type: `number`
Number of columns to wrap the text to.
#### options
Type: `object`
##### hard
Type: `boolean`\
Default: `false`
By default the wrap is soft, meaning long words may extend past the column width. Setting this to `true` will make it hard wrap at the column width.
##### wordWrap
Type: `boolean`\
Default: `true`
By default, an attempt is made to split words at spaces, ensuring that they don't extend past the configured columns. If wordWrap is `false`, each column will instead be completely filled splitting words as necessary.
##### trim
Type: `boolean`\
Default: `true`
Whitespace on all lines is removed by default. Set this option to `false` if you don't want to trim.
## Related
- [slice-ansi](https://github.com/chalk/slice-ansi) - Slice a string with ANSI escape codes
- [cli-truncate](https://github.com/sindresorhus/cli-truncate) - Truncate a string to a specific width in the terminal
- [chalk](https://github.com/chalk/chalk) - Terminal string styling done right
- [jsesc](https://github.com/mathiasbynens/jsesc) - Generate ASCII-only output from Unicode strings. Useful for creating test fixtures.
## Maintainers
- [Sindre Sorhus](https://github.com/sindresorhus)
- [Josh Junon](https://github.com/qix-)
- [Benjamin Coe](https://github.com/bcoe)
---
<div align="center">
<b>
<a href="https://tidelift.com/subscription/pkg/npm-wrap_ansi?utm_source=npm-wrap-ansi&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
</b>
<br>
<sub>
Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
</sub>
</div>

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{
"name": "jackspeak",
"publishConfig": {
"tag": "v3-legacy"
},
"version": "3.4.3",
"description": "A very strict and proper argument parser.",
"tshy": {
"main": true,
"exports": {
"./package.json": "./package.json",
".": "./src/index.js"
}
},
"main": "./dist/commonjs/index.js",
"types": "./dist/commonjs/index.d.ts",
"type": "module",
"exports": {
"./package.json": "./package.json",
".": {
"import": {
"types": "./dist/esm/index.d.ts",
"default": "./dist/esm/index.js"
},
"require": {
"types": "./dist/commonjs/index.d.ts",
"default": "./dist/commonjs/index.js"
}
}
},
"files": [
"dist"
],
"scripts": {
"build-examples": "for i in examples/*.js ; do node $i -h > ${i/.js/.txt}; done",
"preversion": "npm test",
"postversion": "npm publish",
"prepublishOnly": "git push origin --follow-tags",
"prepare": "tshy",
"pretest": "npm run prepare",
"presnap": "npm run prepare",
"test": "tap",
"snap": "tap",
"format": "prettier --write . --log-level warn",
"typedoc": "typedoc --tsconfig .tshy/esm.json ./src/*.ts"
},
"license": "BlueOak-1.0.0",
"prettier": {
"experimentalTernaries": true,
"semi": false,
"printWidth": 75,
"tabWidth": 2,
"useTabs": false,
"singleQuote": true,
"jsxSingleQuote": false,
"bracketSameLine": true,
"arrowParens": "avoid",
"endOfLine": "lf"
},
"devDependencies": {
"@types/node": "^20.7.0",
"@types/pkgjs__parseargs": "^0.10.1",
"prettier": "^3.2.5",
"tap": "^18.8.0",
"tshy": "^1.14.0",
"typedoc": "^0.25.1",
"typescript": "^5.2.2"
},
"dependencies": {
"@isaacs/cliui": "^8.0.2"
},
"funding": {
"url": "https://github.com/sponsors/isaacs"
},
"repository": {
"type": "git",
"url": "git+https://github.com/isaacs/jackspeak.git"
},
"keywords": [
"argument",
"parser",
"args",
"option",
"flag",
"cli",
"command",
"line",
"parse",
"parsing"
],
"author": "Isaac Z. Schlueter <i@izs.me>",
"optionalDependencies": {
"@pkgjs/parseargs": "^0.11.0"
}
}