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Diffstat (limited to 'deps/npm/node_modules/tar/node_modules/minipass/index.js')
-rw-r--r--deps/npm/node_modules/tar/node_modules/minipass/index.js295
1 files changed, 0 insertions, 295 deletions
diff --git a/deps/npm/node_modules/tar/node_modules/minipass/index.js b/deps/npm/node_modules/tar/node_modules/minipass/index.js
deleted file mode 100644
index 3a3ad412b5..0000000000
--- a/deps/npm/node_modules/tar/node_modules/minipass/index.js
+++ /dev/null
@@ -1,295 +0,0 @@
-'use strict'
-const EE = require('events')
-const Yallist = require('yallist')
-const EOF = Symbol('EOF')
-const MAYBE_EMIT_END = Symbol('maybeEmitEnd')
-const EMITTED_END = Symbol('emittedEnd')
-const CLOSED = Symbol('closed')
-const READ = Symbol('read')
-const FLUSH = Symbol('flush')
-const FLUSHCHUNK = Symbol('flushChunk')
-const SD = require('string_decoder').StringDecoder
-const ENCODING = Symbol('encoding')
-const DECODER = Symbol('decoder')
-const FLOWING = Symbol('flowing')
-const RESUME = Symbol('resume')
-const BUFFERLENGTH = Symbol('bufferLength')
-const BUFFERPUSH = Symbol('bufferPush')
-const BUFFERSHIFT = Symbol('bufferShift')
-const OBJECTMODE = Symbol('objectMode')
-
-class MiniPass extends EE {
- constructor (options) {
- super()
- this[FLOWING] = false
- this.pipes = new Yallist()
- this.buffer = new Yallist()
- this[OBJECTMODE] = options && options.objectMode || false
- if (this[OBJECTMODE])
- this[ENCODING] = null
- else
- this[ENCODING] = options && options.encoding || null
- if (this[ENCODING] === 'buffer')
- this[ENCODING] = null
- this[DECODER] = this[ENCODING] ? new SD(this[ENCODING]) : null
- this[EOF] = false
- this[EMITTED_END] = false
- this[CLOSED] = false
- this.writable = true
- this.readable = true
- this[BUFFERLENGTH] = 0
- }
-
- get bufferLength () { return this[BUFFERLENGTH] }
-
- get encoding () { return this[ENCODING] }
- set encoding (enc) {
- if (this[OBJECTMODE])
- throw new Error('cannot set encoding in objectMode')
-
- if (this[ENCODING] && enc !== this[ENCODING] &&
- (this[DECODER] && this[DECODER].lastNeed || this[BUFFERLENGTH]))
- throw new Error('cannot change encoding')
-
- if (this[ENCODING] !== enc) {
- this[DECODER] = enc ? new SD(enc) : null
- if (this.buffer.length)
- this.buffer = this.buffer.map(chunk => this[DECODER].write(chunk))
- }
-
- this[ENCODING] = enc
- }
-
- setEncoding (enc) {
- this.encoding = enc
- }
-
- write (chunk, encoding, cb) {
- if (this[EOF])
- throw new Error('write after end')
-
- if (typeof encoding === 'function')
- cb = encoding, encoding = 'utf8'
-
- if (!encoding)
- encoding = 'utf8'
-
- // fast-path writing strings of same encoding to a stream with
- // an empty buffer, skipping the buffer/decoder dance
- if (typeof chunk === 'string' && !this[OBJECTMODE] &&
- // unless it is a string already ready for us to use
- !(encoding === this[ENCODING] && !this[DECODER].lastNeed)) {
- chunk = new Buffer(chunk, encoding)
- }
-
- if (Buffer.isBuffer(chunk) && this[ENCODING])
- chunk = this[DECODER].write(chunk)
-
- try {
- return this.flowing
- ? (this.emit('data', chunk), this.flowing)
- : (this[BUFFERPUSH](chunk), false)
- } finally {
- this.emit('readable')
- if (cb)
- cb()
- }
- }
-
- read (n) {
- try {
- if (this[BUFFERLENGTH] === 0 || n === 0 || n > this[BUFFERLENGTH])
- return null
-
- if (this[OBJECTMODE])
- n = null
-
- if (this.buffer.length > 1 && !this[OBJECTMODE]) {
- if (this.encoding)
- this.buffer = new Yallist([
- Array.from(this.buffer).join('')
- ])
- else
- this.buffer = new Yallist([
- Buffer.concat(Array.from(this.buffer), this[BUFFERLENGTH])
- ])
- }
-
- return this[READ](n || null, this.buffer.head.value)
- } finally {
- this[MAYBE_EMIT_END]()
- }
- }
-
- [READ] (n, chunk) {
- if (n === chunk.length || n === null)
- this[BUFFERSHIFT]()
- else {
- this.buffer.head.value = chunk.slice(n)
- chunk = chunk.slice(0, n)
- this[BUFFERLENGTH] -= n
- }
-
- this.emit('data', chunk)
-
- if (!this.buffer.length && !this[EOF])
- this.emit('drain')
-
- return chunk
- }
-
- end (chunk, encoding, cb) {
- if (typeof chunk === 'function')
- cb = chunk, chunk = null
- if (typeof encoding === 'function')
- cb = encoding, encoding = 'utf8'
- if (chunk)
- this.write(chunk, encoding)
- if (cb)
- this.once('end', cb)
- this[EOF] = true
- this.writable = false
- if (this.flowing)
- this[MAYBE_EMIT_END]()
- }
-
- // don't let the internal resume be overwritten
- [RESUME] () {
- this[FLOWING] = true
- this.emit('resume')
- if (this.buffer.length)
- this[FLUSH]()
- else if (this[EOF])
- this[MAYBE_EMIT_END]()
- else
- this.emit('drain')
- }
-
- resume () {
- return this[RESUME]()
- }
-
- pause () {
- this[FLOWING] = false
- }
-
- get flowing () {
- return this[FLOWING]
- }
-
- [BUFFERPUSH] (chunk) {
- if (this[OBJECTMODE])
- this[BUFFERLENGTH] += 1
- else
- this[BUFFERLENGTH] += chunk.length
- return this.buffer.push(chunk)
- }
-
- [BUFFERSHIFT] () {
- if (this.buffer.length) {
- if (this[OBJECTMODE])
- this[BUFFERLENGTH] -= 1
- else
- this[BUFFERLENGTH] -= this.buffer.head.value.length
- }
- return this.buffer.shift()
- }
-
- [FLUSH] () {
- do {} while (this[FLUSHCHUNK](this[BUFFERSHIFT]()))
-
- if (!this.buffer.length && !this[EOF])
- this.emit('drain')
- }
-
- [FLUSHCHUNK] (chunk) {
- return chunk ? (this.emit('data', chunk), this.flowing) : false
- }
-
- pipe (dest, opts) {
- if (dest === process.stdout || dest === process.stderr)
- (opts = opts || {}).end = false
- const p = { dest: dest, opts: opts, ondrain: _ => this[RESUME]() }
- this.pipes.push(p)
-
- dest.on('drain', p.ondrain)
- this[RESUME]()
- return dest
- }
-
- addEventHandler (ev, fn) {
- return this.on(ev, fn)
- }
-
- on (ev, fn) {
- try {
- return super.on(ev, fn)
- } finally {
- if (ev === 'data' && !this.pipes.length && !this.flowing) {
- this[RESUME]()
- }
- }
- }
-
- get emittedEnd () {
- return this[EMITTED_END]
- }
-
- [MAYBE_EMIT_END] () {
- if (!this[EMITTED_END] && this.buffer.length === 0 && this[EOF]) {
- this.emit('end')
- this.emit('prefinish')
- this.emit('finish')
- if (this[CLOSED])
- this.emit('close')
- }
- }
-
- emit (ev, data) {
- if (ev === 'data') {
- if (!data)
- return
-
- if (this.pipes.length)
- this.pipes.forEach(p => p.dest.write(data) || this.pause())
- } else if (ev === 'end') {
- if (this[DECODER]) {
- data = this[DECODER].end()
- if (data) {
- this.pipes.forEach(p => p.dest.write(data))
- super.emit('data', data)
- }
- }
- this.pipes.forEach(p => {
- p.dest.removeListener('drain', p.ondrain)
- if (!p.opts || p.opts.end !== false)
- p.dest.end()
- })
- this[EMITTED_END] = true
- this.readable = false
- } else if (ev === 'close') {
- this[CLOSED] = true
- // don't emit close before 'end' and 'finish'
- if (!this[EMITTED_END])
- return
- }
-
- const args = new Array(arguments.length)
- args[0] = ev
- args[1] = data
- if (arguments.length > 2) {
- for (let i = 2; i < arguments.length; i++) {
- args[i] = arguments[i]
- }
- }
-
- try {
- return super.emit.apply(this, args)
- } finally {
- if (ev !== 'end')
- this[MAYBE_EMIT_END]()
- }
- }
-}
-
-module.exports = MiniPass