nhj

more

unified-ai-platform/node_modules/prebuild-install/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 Mathias Buus
+
+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.

unified-ai-platform/node_modules/prebuild-install/asset.js

@@ -0,0 +1,44 @@
+const get = require('simple-get')
+const util = require('./util')
+const proxy = require('./proxy')
+
+function findAssetId (opts, cb) {
+  const downloadUrl = util.getDownloadUrl(opts)
+  const apiUrl = util.getApiUrl(opts)
+  const log = opts.log || util.noopLogger
+
+  log.http('request', 'GET ' + apiUrl)
+  const reqOpts = proxy({
+    url: apiUrl,
+    json: true,
+    headers: {
+      'User-Agent': 'simple-get',
+      Authorization: 'token ' + opts.token
+    }
+  }, opts)
+
+  const req = get.concat(reqOpts, function (err, res, data) {
+    if (err) return cb(err)
+    log.http(res.statusCode, apiUrl)
+    if (res.statusCode !== 200) return cb(err)
+
+    // Find asset id in release
+    for (const release of data) {
+      if (release.tag_name === opts['tag-prefix'] + opts.pkg.version) {
+        for (const asset of release.assets) {
+          if (asset.browser_download_url === downloadUrl) {
+            return cb(null, asset.id)
+          }
+        }
+      }
+    }
+
+    cb(new Error('Could not find GitHub release for version'))
+  })
+
+  req.setTimeout(30 * 1000, function () {
+    req.abort()
+  })
+}
+
+module.exports = findAssetId

unified-ai-platform/node_modules/prebuild-install/bin.js

@@ -0,0 +1,78 @@
+#!/usr/bin/env node
+
+const path = require('path')
+const fs = require('fs')
+const napi = require('napi-build-utils')
+
+const pkg = require(path.resolve('package.json'))
+const rc = require('./rc')(pkg)
+const log = require('./log')(rc, process.env)
+const download = require('./download')
+const asset = require('./asset')
+const util = require('./util')
+
+const prebuildClientVersion = require('./package.json').version
+if (rc.version) {
+  console.log(prebuildClientVersion)
+  process.exit(0)
+}
+
+if (rc.path) process.chdir(rc.path)
+
+if (rc.runtime === 'electron' && rc.target[0] === '4' && rc.abi === '64') {
+  log.error(`Electron version ${rc.target} found - skipping prebuild-install work due to known ABI issue`)
+  log.error('More information about this issue can be found at https://github.com/lgeiger/node-abi/issues/54')
+  process.exit(1)
+}
+
+if (!fs.existsSync('package.json')) {
+  log.error('setup', 'No package.json found. Aborting...')
+  process.exit(1)
+}
+
+if (rc.help) {
+  console.error(fs.readFileSync(path.join(__dirname, 'help.txt'), 'utf-8'))
+  process.exit(0)
+}
+
+log.info('begin', 'Prebuild-install version', prebuildClientVersion)
+
+const opts = Object.assign({}, rc, { pkg: pkg, log: log })
+
+if (napi.isNapiRuntime(rc.runtime)) napi.logUnsupportedVersion(rc.target, log)
+
+const origin = util.packageOrigin(process.env, pkg)
+
+if (opts.force) {
+  log.warn('install', 'prebuilt binaries enforced with --force!')
+  log.warn('install', 'prebuilt binaries may be out of date!')
+} else if (origin && origin.length > 4 && origin.substr(0, 4) === 'git+') {
+  log.info('install', 'installing from git repository, skipping download.')
+  process.exit(1)
+} else if (opts.buildFromSource) {
+  log.info('install', '--build-from-source specified, not attempting download.')
+  process.exit(1)
+}
+
+const startDownload = function (downloadUrl) {
+  download(downloadUrl, opts, function (err) {
+    if (err) {
+      log.warn('install', err.message)
+      return process.exit(1)
+    }
+    log.info('install', 'Successfully installed prebuilt binary!')
+  })
+}
+
+if (opts.token) {
+  asset(opts, function (err, assetId) {
+    if (err) {
+      log.warn('install', err.message)
+      return process.exit(1)
+    }
+
+    startDownload(util.getAssetUrl(opts, assetId))
+  })
+} else {
+  startDownload(util.getDownloadUrl(opts))
+}

unified-ai-platform/node_modules/prebuild-install/download.js

@@ -0,0 +1,142 @@
+const path = require('path')
+const fs = require('fs')
+const get = require('simple-get')
+const pump = require('pump')
+const tfs = require('tar-fs')
+const zlib = require('zlib')
+const util = require('./util')
+const error = require('./error')
+const proxy = require('./proxy')
+const mkdirp = require('mkdirp-classic')
+
+function downloadPrebuild (downloadUrl, opts, cb) {
+  let cachedPrebuild = util.cachedPrebuild(downloadUrl)
+  const localPrebuild = util.localPrebuild(downloadUrl, opts)
+  const tempFile = util.tempFile(cachedPrebuild)
+  const log = opts.log || util.noopLogger
+
+  if (opts.nolocal) return download()
+
+  log.info('looking for local prebuild @', localPrebuild)
+  fs.access(localPrebuild, fs.R_OK | fs.W_OK, function (err) {
+    if (err && err.code === 'ENOENT') {
+      return download()
+    }
+
+    log.info('found local prebuild')
+    cachedPrebuild = localPrebuild
+    unpack()
+  })
+
+  function download () {
+    ensureNpmCacheDir(function (err) {
+      if (err) return onerror(err)
+
+      log.info('looking for cached prebuild @', cachedPrebuild)
+      fs.access(cachedPrebuild, fs.R_OK | fs.W_OK, function (err) {
+        if (!(err && err.code === 'ENOENT')) {
+          log.info('found cached prebuild')
+          return unpack()
+        }
+
+        log.http('request', 'GET ' + downloadUrl)
+        const reqOpts = proxy({ url: downloadUrl }, opts)
+
+        if (opts.token) {
+          reqOpts.headers = {
+            'User-Agent': 'simple-get',
+            Accept: 'application/octet-stream',
+            Authorization: 'token ' + opts.token
+          }
+        }
+
+        const req = get(reqOpts, function (err, res) {
+          if (err) return onerror(err)
+          log.http(res.statusCode, downloadUrl)
+          if (res.statusCode !== 200) return onerror()
+          mkdirp(util.prebuildCache(), function () {
+            log.info('downloading to @', tempFile)
+            pump(res, fs.createWriteStream(tempFile), function (err) {
+              if (err) return onerror(err)
+              fs.rename(tempFile, cachedPrebuild, function (err) {
+                if (err) return cb(err)
+                log.info('renaming to @', cachedPrebuild)
+                unpack()
+              })
+            })
+          })
+        })
+
+        req.setTimeout(30 * 1000, function () {
+          req.abort()
+        })
+      })
+
+      function onerror (err) {
+        fs.unlink(tempFile, function () {
+          cb(err || error.noPrebuilts(opts))
+        })
+      }
+    })
+  }
+
+  function unpack () {
+    let binaryName
+
+    const updateName = opts.updateName || function (entry) {
+      if (/\.node$/i.test(entry.name)) binaryName = entry.name
+    }
+
+    log.info('unpacking @', cachedPrebuild)
+
+    const options = {
+      readable: true,
+      writable: true,
+      hardlinkAsFilesFallback: true
+    }
+    const extract = tfs.extract(opts.path, options).on('entry', updateName)
+
+    pump(fs.createReadStream(cachedPrebuild), zlib.createGunzip(), extract,
+      function (err) {
+        if (err) return cb(err)
+
+        let resolved
+        if (binaryName) {
+          try {
+            resolved = path.resolve(opts.path || '.', binaryName)
+          } catch (err) {
+            return cb(err)
+          }
+          log.info('unpack', 'resolved to ' + resolved)
+
+          if (opts.runtime === 'node' && opts.platform === process.platform && opts.abi === process.versions.modules && opts.arch === process.arch) {
+            try {
+              require(resolved)
+            } catch (err) {
+              return cb(err)
+            }
+            log.info('unpack', 'required ' + resolved + ' successfully')
+          }
+        }
+
+        cb(null, resolved)
+      })
+  }
+
+  function ensureNpmCacheDir (cb) {
+    const cacheFolder = util.npmCache()
+    fs.access(cacheFolder, fs.R_OK | fs.W_OK, function (err) {
+      if (err && err.code === 'ENOENT') {
+        return makeNpmCacheDir()
+      }
+      cb(err)
+    })
+
+    function makeNpmCacheDir () {
+      log.info('npm cache directory missing, creating it...')
+      mkdirp(cacheFolder, cb)
+    }
+  }
+}
+
+module.exports = downloadPrebuild

unified-ai-platform/node_modules/prebuild-install/node_modules/chownr/LICENSE

@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and 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.

unified-ai-platform/node_modules/prebuild-install/node_modules/chownr/README.md

@@ -0,0 +1,3 @@
+Like `chown -R`.
+
+Takes the same arguments as `fs.chown()`

unified-ai-platform/node_modules/prebuild-install/node_modules/chownr/chownr.js

@@ -0,0 +1,167 @@
+'use strict'
+const fs = require('fs')
+const path = require('path')
+
+/* istanbul ignore next */
+const LCHOWN = fs.lchown ? 'lchown' : 'chown'
+/* istanbul ignore next */
+const LCHOWNSYNC = fs.lchownSync ? 'lchownSync' : 'chownSync'
+
+/* istanbul ignore next */
+const needEISDIRHandled = fs.lchown &&
+  !process.version.match(/v1[1-9]+\./) &&
+  !process.version.match(/v10\.[6-9]/)
+
+const lchownSync = (path, uid, gid) => {
+  try {
+    return fs[LCHOWNSYNC](path, uid, gid)
+  } catch (er) {
+    if (er.code !== 'ENOENT')
+      throw er
+  }
+}
+
+/* istanbul ignore next */
+const chownSync = (path, uid, gid) => {
+  try {
+    return fs.chownSync(path, uid, gid)
+  } catch (er) {
+    if (er.code !== 'ENOENT')
+      throw er
+  }
+}
+
+/* istanbul ignore next */
+const handleEISDIR =
+  needEISDIRHandled ? (path, uid, gid, cb) => er => {
+    // Node prior to v10 had a very questionable implementation of
+    // fs.lchown, which would always try to call fs.open on a directory
+    // Fall back to fs.chown in those cases.
+    if (!er || er.code !== 'EISDIR')
+      cb(er)
+    else
+      fs.chown(path, uid, gid, cb)
+  }
+  : (_, __, ___, cb) => cb
+
+/* istanbul ignore next */
+const handleEISDirSync =
+  needEISDIRHandled ? (path, uid, gid) => {
+    try {
+      return lchownSync(path, uid, gid)
+    } catch (er) {
+      if (er.code !== 'EISDIR')
+        throw er
+      chownSync(path, uid, gid)
+    }
+  }
+  : (path, uid, gid) => lchownSync(path, uid, gid)
+
+// fs.readdir could only accept an options object as of node v6
+const nodeVersion = process.version
+let readdir = (path, options, cb) => fs.readdir(path, options, cb)
+let readdirSync = (path, options) => fs.readdirSync(path, options)
+/* istanbul ignore next */
+if (/^v4\./.test(nodeVersion))
+  readdir = (path, options, cb) => fs.readdir(path, cb)
+
+const chown = (cpath, uid, gid, cb) => {
+  fs[LCHOWN](cpath, uid, gid, handleEISDIR(cpath, uid, gid, er => {
+    // Skip ENOENT error
+    cb(er && er.code !== 'ENOENT' ? er : null)
+  }))
+}
+
+const chownrKid = (p, child, uid, gid, cb) => {
+  if (typeof child === 'string')
+    return fs.lstat(path.resolve(p, child), (er, stats) => {
+      // Skip ENOENT error
+      if (er)
+        return cb(er.code !== 'ENOENT' ? er : null)
+      stats.name = child
+      chownrKid(p, stats, uid, gid, cb)
+    })
+
+  if (child.isDirectory()) {
+    chownr(path.resolve(p, child.name), uid, gid, er => {
+      if (er)
+        return cb(er)
+      const cpath = path.resolve(p, child.name)
+      chown(cpath, uid, gid, cb)
+    })
+  } else {
+    const cpath = path.resolve(p, child.name)
+    chown(cpath, uid, gid, cb)
+  }
+}
+
+
+const chownr = (p, uid, gid, cb) => {
+  readdir(p, { withFileTypes: true }, (er, children) => {
+    // any error other than ENOTDIR or ENOTSUP means it's not readable,
+    // or doesn't exist.  give up.
+    if (er) {
+      if (er.code === 'ENOENT')
+        return cb()
+      else if (er.code !== 'ENOTDIR' && er.code !== 'ENOTSUP')
+        return cb(er)
+    }
+    if (er || !children.length)
+      return chown(p, uid, gid, cb)
+
+    let len = children.length
+    let errState = null
+    const then = er => {
+      if (errState)
+        return
+      if (er)
+        return cb(errState = er)
+      if (-- len === 0)
+        return chown(p, uid, gid, cb)
+    }
+
+    children.forEach(child => chownrKid(p, child, uid, gid, then))
+  })
+}
+
+const chownrKidSync = (p, child, uid, gid) => {
+  if (typeof child === 'string') {
+    try {
+      const stats = fs.lstatSync(path.resolve(p, child))
+      stats.name = child
+      child = stats
+    } catch (er) {
+      if (er.code === 'ENOENT')
+        return
+      else
+        throw er
+    }
+  }
+
+  if (child.isDirectory())
+    chownrSync(path.resolve(p, child.name), uid, gid)
+
+  handleEISDirSync(path.resolve(p, child.name), uid, gid)
+}
+
+const chownrSync = (p, uid, gid) => {
+  let children
+  try {
+    children = readdirSync(p, { withFileTypes: true })
+  } catch (er) {
+    if (er.code === 'ENOENT')
+      return
+    else if (er.code === 'ENOTDIR' || er.code === 'ENOTSUP')
+      return handleEISDirSync(p, uid, gid)
+    else
+      throw er
+  }
+
+  if (children && children.length)
+    children.forEach(child => chownrKidSync(p, child, uid, gid))
+
+  return handleEISDirSync(p, uid, gid)
+}
+
+module.exports = chownr
+chownr.sync = chownrSync

unified-ai-platform/node_modules/prebuild-install/node_modules/chownr/package.json

@@ -0,0 +1,29 @@
+{
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
+  "name": "chownr",
+  "description": "like `chown -R`",
+  "version": "1.1.4",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/isaacs/chownr.git"
+  },
+  "main": "chownr.js",
+  "files": [
+    "chownr.js"
+  ],
+  "devDependencies": {
+    "mkdirp": "0.3",
+    "rimraf": "^2.7.1",
+    "tap": "^14.10.6"
+  },
+  "tap": {
+    "check-coverage": true
+  },
+  "scripts": {
+    "test": "tap",
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "prepublishOnly": "git push origin --follow-tags"
+  },
+  "license": "ISC"
+}

unified-ai-platform/node_modules/prebuild-install/node_modules/readable-stream/LICENSE

@@ -0,0 +1,47 @@
+Node.js is licensed for use as follows:
+
+"""
+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.
+"""
+
+This license applies to parts of Node.js originating from the
+https://github.com/joyent/node repository:
+
+"""
+Copyright Joyent, Inc. and other Node 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.
+"""

unified-ai-platform/node_modules/prebuild-install/node_modules/readable-stream/lib/_stream_duplex.js

@@ -0,0 +1,126 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// 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.
+
+// a duplex stream is just a stream that is both readable and writable.
+// Since JS doesn't have multiple prototypal inheritance, this class
+// prototypally inherits from Readable, and then parasitically from
+// Writable.
+
+'use strict';
+
+/*<replacement>*/
+var objectKeys = Object.keys || function (obj) {
+  var keys = [];
+  for (var key in obj) keys.push(key);
+  return keys;
+};
+/*</replacement>*/
+
+module.exports = Duplex;
+var Readable = require('./_stream_readable');
+var Writable = require('./_stream_writable');
+require('inherits')(Duplex, Readable);
+{
+  // Allow the keys array to be GC'ed.
+  var keys = objectKeys(Writable.prototype);
+  for (var v = 0; v < keys.length; v++) {
+    var method = keys[v];
+    if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
+  }
+}
+function Duplex(options) {
+  if (!(this instanceof Duplex)) return new Duplex(options);
+  Readable.call(this, options);
+  Writable.call(this, options);
+  this.allowHalfOpen = true;
+  if (options) {
+    if (options.readable === false) this.readable = false;
+    if (options.writable === false) this.writable = false;
+    if (options.allowHalfOpen === false) {
+      this.allowHalfOpen = false;
+      this.once('end', onend);
+    }
+  }
+}
+Object.defineProperty(Duplex.prototype, 'writableHighWaterMark', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState.highWaterMark;
+  }
+});
+Object.defineProperty(Duplex.prototype, 'writableBuffer', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState && this._writableState.getBuffer();
+  }
+});
+Object.defineProperty(Duplex.prototype, 'writableLength', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState.length;
+  }
+});
+
+// the no-half-open enforcer
+function onend() {
+  // If the writable side ended, then we're ok.
+  if (this._writableState.ended) return;
+
+  // no more data can be written.
+  // But allow more writes to happen in this tick.
+  process.nextTick(onEndNT, this);
+}
+function onEndNT(self) {
+  self.end();
+}
+Object.defineProperty(Duplex.prototype, 'destroyed', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    if (this._readableState === undefined || this._writableState === undefined) {
+      return false;
+    }
+    return this._readableState.destroyed && this._writableState.destroyed;
+  },
+  set: function set(value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (this._readableState === undefined || this._writableState === undefined) {
+      return;
+    }
+
+    // backward compatibility, the user is explicitly
+    // managing destroyed
+    this._readableState.destroyed = value;
+    this._writableState.destroyed = value;
+  }
+});

unified-ai-platform/node_modules/prebuild-install/node_modules/readable-stream/lib/_stream_passthrough.js

@@ -0,0 +1,37 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// 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.
+
+// a passthrough stream.
+// basically just the most minimal sort of Transform stream.
+// Every written chunk gets output as-is.
+
+'use strict';
+
+module.exports = PassThrough;
+var Transform = require('./_stream_transform');
+require('inherits')(PassThrough, Transform);
+function PassThrough(options) {
+  if (!(this instanceof PassThrough)) return new PassThrough(options);
+  Transform.call(this, options);
+}
+PassThrough.prototype._transform = function (chunk, encoding, cb) {
+  cb(null, chunk);
+};

unified-ai-platform/node_modules/prebuild-install/node_modules/tar-stream/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Mathias Buus
+
+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.

unified-ai-platform/node_modules/prebuild-install/node_modules/tar-stream/extract.js

@@ -0,0 +1,257 @@
+var util = require('util')
+var bl = require('bl')
+var headers = require('./headers')
+
+var Writable = require('readable-stream').Writable
+var PassThrough = require('readable-stream').PassThrough
+
+var noop = function () {}
+
+var overflow = function (size) {
+  size &= 511
+  return size && 512 - size
+}
+
+var emptyStream = function (self, offset) {
+  var s = new Source(self, offset)
+  s.end()
+  return s
+}
+
+var mixinPax = function (header, pax) {
+  if (pax.path) header.name = pax.path
+  if (pax.linkpath) header.linkname = pax.linkpath
+  if (pax.size) header.size = parseInt(pax.size, 10)
+  header.pax = pax
+  return header
+}
+
+var Source = function (self, offset) {
+  this._parent = self
+  this.offset = offset
+  PassThrough.call(this, { autoDestroy: false })
+}
+
+util.inherits(Source, PassThrough)
+
+Source.prototype.destroy = function (err) {
+  this._parent.destroy(err)
+}
+
+var Extract = function (opts) {
+  if (!(this instanceof Extract)) return new Extract(opts)
+  Writable.call(this, opts)
+
+  opts = opts || {}
+
+  this._offset = 0
+  this._buffer = bl()
+  this._missing = 0
+  this._partial = false
+  this._onparse = noop
+  this._header = null
+  this._stream = null
+  this._overflow = null
+  this._cb = null
+  this._locked = false
+  this._destroyed = false
+  this._pax = null
+  this._paxGlobal = null
+  this._gnuLongPath = null
+  this._gnuLongLinkPath = null
+
+  var self = this
+  var b = self._buffer
+
+  var oncontinue = function () {
+    self._continue()
+  }
+
+  var onunlock = function (err) {
+    self._locked = false
+    if (err) return self.destroy(err)
+    if (!self._stream) oncontinue()
+  }
+
+  var onstreamend = function () {
+    self._stream = null
+    var drain = overflow(self._header.size)
+    if (drain) self._parse(drain, ondrain)
+    else self._parse(512, onheader)
+    if (!self._locked) oncontinue()
+  }
+
+  var ondrain = function () {
+    self._buffer.consume(overflow(self._header.size))
+    self._parse(512, onheader)
+    oncontinue()
+  }
+
+  var onpaxglobalheader = function () {
+    var size = self._header.size
+    self._paxGlobal = headers.decodePax(b.slice(0, size))
+    b.consume(size)
+    onstreamend()
+  }
+
+  var onpaxheader = function () {
+    var size = self._header.size
+    self._pax = headers.decodePax(b.slice(0, size))
+    if (self._paxGlobal) self._pax = Object.assign({}, self._paxGlobal, self._pax)
+    b.consume(size)
+    onstreamend()
+  }
+
+  var ongnulongpath = function () {
+    var size = self._header.size
+    this._gnuLongPath = headers.decodeLongPath(b.slice(0, size), opts.filenameEncoding)
+    b.consume(size)
+    onstreamend()
+  }
+
+  var ongnulonglinkpath = function () {
+    var size = self._header.size
+    this._gnuLongLinkPath = headers.decodeLongPath(b.slice(0, size), opts.filenameEncoding)
+    b.consume(size)
+    onstreamend()
+  }
+
+  var onheader = function () {
+    var offset = self._offset
+    var header
+    try {
+      header = self._header = headers.decode(b.slice(0, 512), opts.filenameEncoding, opts.allowUnknownFormat)
+    } catch (err) {
+      self.emit('error', err)
+    }
+    b.consume(512)
+
+    if (!header) {
+      self._parse(512, onheader)
+      oncontinue()
+      return
+    }
+    if (header.type === 'gnu-long-path') {
+      self._parse(header.size, ongnulongpath)
+      oncontinue()
+      return
+    }
+    if (header.type === 'gnu-long-link-path') {
+      self._parse(header.size, ongnulonglinkpath)
+      oncontinue()
+      return
+    }
+    if (header.type === 'pax-global-header') {
+      self._parse(header.size, onpaxglobalheader)
+      oncontinue()
+      return
+    }
+    if (header.type === 'pax-header') {
+      self._parse(header.size, onpaxheader)
+      oncontinue()
+      return
+    }
+
+    if (self._gnuLongPath) {
+      header.name = self._gnuLongPath
+      self._gnuLongPath = null
+    }
+
+    if (self._gnuLongLinkPath) {
+      header.linkname = self._gnuLongLinkPath
+      self._gnuLongLinkPath = null
+    }
+
+    if (self._pax) {
+      self._header = header = mixinPax(header, self._pax)
+      self._pax = null
+    }
+
+    self._locked = true
+
+    if (!header.size || header.type === 'directory') {
+      self._parse(512, onheader)
+      self.emit('entry', header, emptyStream(self, offset), onunlock)
+      return
+    }
+
+    self._stream = new Source(self, offset)
+
+    self.emit('entry', header, self._stream, onunlock)
+    self._parse(header.size, onstreamend)
+    oncontinue()
+  }
+
+  this._onheader = onheader
+  this._parse(512, onheader)
+}
+
+util.inherits(Extract, Writable)
+
+Extract.prototype.destroy = function (err) {
+  if (this._destroyed) return
+  this._destroyed = true
+
+  if (err) this.emit('error', err)
+  this.emit('close')
+  if (this._stream) this._stream.emit('close')
+}
+
+Extract.prototype._parse = function (size, onparse) {
+  if (this._destroyed) return
+  this._offset += size
+  this._missing = size
+  if (onparse === this._onheader) this._partial = false
+  this._onparse = onparse
+}
+
+Extract.prototype._continue = function () {
+  if (this._destroyed) return
+  var cb = this._cb
+  this._cb = noop
+  if (this._overflow) this._write(this._overflow, undefined, cb)
+  else cb()
+}
+
+Extract.prototype._write = function (data, enc, cb) {
+  if (this._destroyed) return
+
+  var s = this._stream
+  var b = this._buffer
+  var missing = this._missing
+  if (data.length) this._partial = true
+
+  // we do not reach end-of-chunk now. just forward it
+
+  if (data.length < missing) {
+    this._missing -= data.length
+    this._overflow = null
+    if (s) return s.write(data, cb)
+    b.append(data)
+    return cb()
+  }
+
+  // end-of-chunk. the parser should call cb.
+
+  this._cb = cb
+  this._missing = 0
+
+  var overflow = null
+  if (data.length > missing) {
+    overflow = data.slice(missing)
+    data = data.slice(0, missing)
+  }
+
+  if (s) s.end(data)
+  else b.append(data)
+
+  this._overflow = overflow
+  this._onparse()
+}
+
+Extract.prototype._final = function (cb) {
+  if (this._partial) return this.destroy(new Error('Unexpected end of data'))
+  cb()
+}
+
+module.exports = Extract

unified-ai-platform/node_modules/prebuild-install/node_modules/tar-stream/headers.js

@@ -0,0 +1,295 @@
+var alloc = Buffer.alloc
+
+var ZEROS = '0000000000000000000'
+var SEVENS = '7777777777777777777'
+var ZERO_OFFSET = '0'.charCodeAt(0)
+var USTAR_MAGIC = Buffer.from('ustar\x00', 'binary')
+var USTAR_VER = Buffer.from('00', 'binary')
+var GNU_MAGIC = Buffer.from('ustar\x20', 'binary')
+var GNU_VER = Buffer.from('\x20\x00', 'binary')
+var MASK = parseInt('7777', 8)
+var MAGIC_OFFSET = 257
+var VERSION_OFFSET = 263
+
+var clamp = function (index, len, defaultValue) {
+  if (typeof index !== 'number') return defaultValue
+  index = ~~index // Coerce to integer.
+  if (index >= len) return len
+  if (index >= 0) return index
+  index += len
+  if (index >= 0) return index
+  return 0
+}
+
+var toType = function (flag) {
+  switch (flag) {
+    case 0:
+      return 'file'
+    case 1:
+      return 'link'
+    case 2:
+      return 'symlink'
+    case 3:
+      return 'character-device'
+    case 4:
+      return 'block-device'
+    case 5:
+      return 'directory'
+    case 6:
+      return 'fifo'
+    case 7:
+      return 'contiguous-file'
+    case 72:
+      return 'pax-header'
+    case 55:
+      return 'pax-global-header'
+    case 27:
+      return 'gnu-long-link-path'
+    case 28:
+    case 30:
+      return 'gnu-long-path'
+  }
+
+  return null
+}
+
+var toTypeflag = function (flag) {
+  switch (flag) {
+    case 'file':
+      return 0
+    case 'link':
+      return 1
+    case 'symlink':
+      return 2
+    case 'character-device':
+      return 3
+    case 'block-device':
+      return 4
+    case 'directory':
+      return 5
+    case 'fifo':
+      return 6
+    case 'contiguous-file':
+      return 7
+    case 'pax-header':
+      return 72
+  }
+
+  return 0
+}
+
+var indexOf = function (block, num, offset, end) {
+  for (; offset < end; offset++) {
+    if (block[offset] === num) return offset
+  }
+  return end
+}
+
+var cksum = function (block) {
+  var sum = 8 * 32
+  for (var i = 0; i < 148; i++) sum += block[i]
+  for (var j = 156; j < 512; j++) sum += block[j]
+  return sum
+}
+
+var encodeOct = function (val, n) {
+  val = val.toString(8)
+  if (val.length > n) return SEVENS.slice(0, n) + ' '
+  else return ZEROS.slice(0, n - val.length) + val + ' '
+}
+
+/* Copied from the node-tar repo and modified to meet
+ * tar-stream coding standard.
+ *
+ * Source: https://github.com/npm/node-tar/blob/51b6627a1f357d2eb433e7378e5f05e83b7aa6cd/lib/header.js#L349
+ */
+function parse256 (buf) {
+  // first byte MUST be either 80 or FF
+  // 80 for positive, FF for 2's comp
+  var positive
+  if (buf[0] === 0x80) positive = true
+  else if (buf[0] === 0xFF) positive = false
+  else return null
+
+  // build up a base-256 tuple from the least sig to the highest
+  var tuple = []
+  for (var i = buf.length - 1; i > 0; i--) {
+    var byte = buf[i]
+    if (positive) tuple.push(byte)
+    else tuple.push(0xFF - byte)
+  }
+
+  var sum = 0
+  var l = tuple.length
+  for (i = 0; i < l; i++) {
+    sum += tuple[i] * Math.pow(256, i)
+  }
+
+  return positive ? sum : -1 * sum
+}
+
+var decodeOct = function (val, offset, length) {
+  val = val.slice(offset, offset + length)
+  offset = 0
+
+  // If prefixed with 0x80 then parse as a base-256 integer
+  if (val[offset] & 0x80) {
+    return parse256(val)
+  } else {
+    // Older versions of tar can prefix with spaces
+    while (offset < val.length && val[offset] === 32) offset++
+    var end = clamp(indexOf(val, 32, offset, val.length), val.length, val.length)
+    while (offset < end && val[offset] === 0) offset++
+    if (end === offset) return 0
+    return parseInt(val.slice(offset, end).toString(), 8)
+  }
+}
+
+var decodeStr = function (val, offset, length, encoding) {
+  return val.slice(offset, indexOf(val, 0, offset, offset + length)).toString(encoding)
+}
+
+var addLength = function (str) {
+  var len = Buffer.byteLength(str)
+  var digits = Math.floor(Math.log(len) / Math.log(10)) + 1
+  if (len + digits >= Math.pow(10, digits)) digits++
+
+  return (len + digits) + str
+}
+
+exports.decodeLongPath = function (buf, encoding) {
+  return decodeStr(buf, 0, buf.length, encoding)
+}
+
+exports.encodePax = function (opts) { // TODO: encode more stuff in pax
+  var result = ''
+  if (opts.name) result += addLength(' path=' + opts.name + '\n')
+  if (opts.linkname) result += addLength(' linkpath=' + opts.linkname + '\n')
+  var pax = opts.pax
+  if (pax) {
+    for (var key in pax) {
+      result += addLength(' ' + key + '=' + pax[key] + '\n')
+    }
+  }
+  return Buffer.from(result)
+}
+
+exports.decodePax = function (buf) {
+  var result = {}
+
+  while (buf.length) {
+    var i = 0
+    while (i < buf.length && buf[i] !== 32) i++
+    var len = parseInt(buf.slice(0, i).toString(), 10)
+    if (!len) return result
+
+    var b = buf.slice(i + 1, len - 1).toString()
+    var keyIndex = b.indexOf('=')
+    if (keyIndex === -1) return result
+    result[b.slice(0, keyIndex)] = b.slice(keyIndex + 1)
+
+    buf = buf.slice(len)
+  }
+
+  return result
+}
+
+exports.encode = function (opts) {
+  var buf = alloc(512)
+  var name = opts.name
+  var prefix = ''
+
+  if (opts.typeflag === 5 && name[name.length - 1] !== '/') name += '/'
+  if (Buffer.byteLength(name) !== name.length) return null // utf-8
+
+  while (Buffer.byteLength(name) > 100) {
+    var i = name.indexOf('/')
+    if (i === -1) return null
+    prefix += prefix ? '/' + name.slice(0, i) : name.slice(0, i)
+    name = name.slice(i + 1)
+  }
+
+  if (Buffer.byteLength(name) > 100 || Buffer.byteLength(prefix) > 155) return null
+  if (opts.linkname && Buffer.byteLength(opts.linkname) > 100) return null
+
+  buf.write(name)
+  buf.write(encodeOct(opts.mode & MASK, 6), 100)
+  buf.write(encodeOct(opts.uid, 6), 108)
+  buf.write(encodeOct(opts.gid, 6), 116)
+  buf.write(encodeOct(opts.size, 11), 124)
+  buf.write(encodeOct((opts.mtime.getTime() / 1000) | 0, 11), 136)
+
+  buf[156] = ZERO_OFFSET + toTypeflag(opts.type)
+
+  if (opts.linkname) buf.write(opts.linkname, 157)
+
+  USTAR_MAGIC.copy(buf, MAGIC_OFFSET)
+  USTAR_VER.copy(buf, VERSION_OFFSET)
+  if (opts.uname) buf.write(opts.uname, 265)
+  if (opts.gname) buf.write(opts.gname, 297)
+  buf.write(encodeOct(opts.devmajor || 0, 6), 329)
+  buf.write(encodeOct(opts.devminor || 0, 6), 337)
+
+  if (prefix) buf.write(prefix, 345)
+
+  buf.write(encodeOct(cksum(buf), 6), 148)
+
+  return buf
+}
+
+exports.decode = function (buf, filenameEncoding, allowUnknownFormat) {
+  var typeflag = buf[156] === 0 ? 0 : buf[156] - ZERO_OFFSET
+
+  var name = decodeStr(buf, 0, 100, filenameEncoding)
+  var mode = decodeOct(buf, 100, 8)
+  var uid = decodeOct(buf, 108, 8)
+  var gid = decodeOct(buf, 116, 8)
+  var size = decodeOct(buf, 124, 12)
+  var mtime = decodeOct(buf, 136, 12)
+  var type = toType(typeflag)
+  var linkname = buf[157] === 0 ? null : decodeStr(buf, 157, 100, filenameEncoding)
+  var uname = decodeStr(buf, 265, 32)
+  var gname = decodeStr(buf, 297, 32)
+  var devmajor = decodeOct(buf, 329, 8)
+  var devminor = decodeOct(buf, 337, 8)
+
+  var c = cksum(buf)
+
+  // checksum is still initial value if header was null.
+  if (c === 8 * 32) return null
+
+  // valid checksum
+  if (c !== decodeOct(buf, 148, 8)) throw new Error('Invalid tar header. Maybe the tar is corrupted or it needs to be gunzipped?')
+
+  if (USTAR_MAGIC.compare(buf, MAGIC_OFFSET, MAGIC_OFFSET + 6) === 0) {
+    // ustar (posix) format.
+    // prepend prefix, if present.
+    if (buf[345]) name = decodeStr(buf, 345, 155, filenameEncoding) + '/' + name
+  } else if (GNU_MAGIC.compare(buf, MAGIC_OFFSET, MAGIC_OFFSET + 6) === 0 &&
+             GNU_VER.compare(buf, VERSION_OFFSET, VERSION_OFFSET + 2) === 0) {
+    // 'gnu'/'oldgnu' format. Similar to ustar, but has support for incremental and
+    // multi-volume tarballs.
+  } else {
+    if (!allowUnknownFormat) {
+      throw new Error('Invalid tar header: unknown format.')
+    }
+  }
+
+  // to support old tar versions that use trailing / to indicate dirs
+  if (typeflag === 0 && name && name[name.length - 1] === '/') typeflag = 5
+
+  return {
+    name,
+    mode,
+    uid,
+    gid,
+    size,
+    mtime: new Date(1000 * mtime),
+    type,
+    linkname,
+    uname,
+    gname,
+    devmajor,
+    devminor
+  }
+}