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| author | pack <pack@packgekko.xyz> | 2026-08-09 10:54:08 +0000 |
|---|---|---|
| committer | pack <pack@packgekko.xyz> | 2026-08-09 10:54:08 +0000 |
| commit | d3adc16a08d95d6e331de55d7d3bf05a66a874a8 (patch) | |
| tree | a2dabd199501e67c547c2ce79e1374ca3aa55443 /node_modules/minipass/dist/commonjs/index.js | |
| parent | 55a4f1fc869e41aca748c63d3018f0448b1606e0 (diff) | |
| download | crud-d3adc16a08d95d6e331de55d7d3bf05a66a874a8.tar.gz | |
stop tracking node_modules/
Diffstat (limited to 'node_modules/minipass/dist/commonjs/index.js')
| -rw-r--r-- | node_modules/minipass/dist/commonjs/index.js | 1038 |
1 files changed, 0 insertions, 1038 deletions
diff --git a/node_modules/minipass/dist/commonjs/index.js b/node_modules/minipass/dist/commonjs/index.js deleted file mode 100644 index 91f3a5c..0000000 --- a/node_modules/minipass/dist/commonjs/index.js +++ /dev/null @@ -1,1038 +0,0 @@ -"use strict"; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; -Object.defineProperty(exports, "__esModule", { value: true }); -exports.Minipass = exports.isWritable = exports.isReadable = exports.isStream = void 0; -const proc = typeof process === 'object' && process - ? process - : { - stdout: null, - stderr: null, - }; -const node_events_1 = require("node:events"); -const node_stream_1 = __importDefault(require("node:stream")); -const node_string_decoder_1 = require("node:string_decoder"); -/** - * Return true if the argument is a Minipass stream, Node stream, or something - * else that Minipass can interact with. - */ -const isStream = (s) => !!s && - typeof s === 'object' && - (s instanceof Minipass || - s instanceof node_stream_1.default || - (0, exports.isReadable)(s) || - (0, exports.isWritable)(s)) -/** - * Return true if the argument is a valid {@link Minipass.Readable} - */ -; -exports.isStream = isStream; -/** - * Return true if the argument is a valid {@link Minipass.Readable} - */ -const isReadable = (s) => !!s && - typeof s === 'object' && - s instanceof node_events_1.EventEmitter && - typeof s.pipe === 'function' && - // node core Writable streams have a pipe() method, but it throws - s.pipe !== node_stream_1.default.Writable.prototype.pipe -/** - * Return true if the argument is a valid {@link Minipass.Writable} - */ -; -exports.isReadable = isReadable; -/** - * Return true if the argument is a valid {@link Minipass.Writable} - */ -const isWritable = (s) => !!s && - typeof s === 'object' && - s instanceof node_events_1.EventEmitter && - typeof s.write === 'function' && - typeof s.end === 'function'; -exports.isWritable = isWritable; -const EOF = Symbol('EOF'); -const MAYBE_EMIT_END = Symbol('maybeEmitEnd'); -const EMITTED_END = Symbol('emittedEnd'); -const EMITTING_END = Symbol('emittingEnd'); -const EMITTED_ERROR = Symbol('emittedError'); -const CLOSED = Symbol('closed'); -const READ = Symbol('read'); -const FLUSH = Symbol('flush'); -const FLUSHCHUNK = Symbol('flushChunk'); -const ENCODING = Symbol('encoding'); -const DECODER = Symbol('decoder'); -const FLOWING = Symbol('flowing'); -const PAUSED = Symbol('paused'); -const RESUME = Symbol('resume'); -const BUFFER = Symbol('buffer'); -const PIPES = Symbol('pipes'); -const BUFFERLENGTH = Symbol('bufferLength'); -const BUFFERPUSH = Symbol('bufferPush'); -const BUFFERSHIFT = Symbol('bufferShift'); -const OBJECTMODE = Symbol('objectMode'); -// internal event when stream is destroyed -const DESTROYED = Symbol('destroyed'); -// internal event when stream has an error -const ERROR = Symbol('error'); -const EMITDATA = Symbol('emitData'); -const EMITEND = Symbol('emitEnd'); -const EMITEND2 = Symbol('emitEnd2'); -const ASYNC = Symbol('async'); -const ABORT = Symbol('abort'); -const ABORTED = Symbol('aborted'); -const SIGNAL = Symbol('signal'); -const DATALISTENERS = Symbol('dataListeners'); -const DISCARDED = Symbol('discarded'); -const defer = (fn) => Promise.resolve().then(fn); -const nodefer = (fn) => fn(); -const isEndish = (ev) => ev === 'end' || ev === 'finish' || ev === 'prefinish'; -const isArrayBufferLike = (b) => b instanceof ArrayBuffer || - (!!b && - typeof b === 'object' && - b.constructor && - b.constructor.name === 'ArrayBuffer' && - b.byteLength >= 0); -const isArrayBufferView = (b) => !Buffer.isBuffer(b) && ArrayBuffer.isView(b); -/** - * Internal class representing a pipe to a destination stream. - * - * @internal - */ -class Pipe { - src; - dest; - opts; - ondrain; - constructor(src, dest, opts) { - this.src = src; - this.dest = dest; - this.opts = opts; - this.ondrain = () => src[RESUME](); - this.dest.on('drain', this.ondrain); - } - unpipe() { - this.dest.removeListener('drain', this.ondrain); - } - // only here for the prototype - /* c8 ignore start */ - proxyErrors(_er) { } - /* c8 ignore stop */ - end() { - this.unpipe(); - if (this.opts.end) - this.dest.end(); - } -} -/** - * Internal class representing a pipe to a destination stream where - * errors are proxied. - * - * @internal - */ -class PipeProxyErrors extends Pipe { - unpipe() { - this.src.removeListener('error', this.proxyErrors); - super.unpipe(); - } - constructor(src, dest, opts) { - super(src, dest, opts); - this.proxyErrors = (er) => this.dest.emit('error', er); - src.on('error', this.proxyErrors); - } -} -const isObjectModeOptions = (o) => !!o.objectMode; -const isEncodingOptions = (o) => !o.objectMode && !!o.encoding && o.encoding !== 'buffer'; -/** - * Main export, the Minipass class - * - * `RType` is the type of data emitted, defaults to Buffer - * - * `WType` is the type of data to be written, if RType is buffer or string, - * then any {@link Minipass.ContiguousData} is allowed. - * - * `Events` is the set of event handler signatures that this object - * will emit, see {@link Minipass.Events} - */ -class Minipass extends node_events_1.EventEmitter { - [FLOWING] = false; - [PAUSED] = false; - [PIPES] = []; - [BUFFER] = []; - [OBJECTMODE]; - [ENCODING]; - [ASYNC]; - [DECODER]; - [EOF] = false; - [EMITTED_END] = false; - [EMITTING_END] = false; - [CLOSED] = false; - [EMITTED_ERROR] = null; - [BUFFERLENGTH] = 0; - [DESTROYED] = false; - [SIGNAL]; - [ABORTED] = false; - [DATALISTENERS] = 0; - [DISCARDED] = false; - /** - * true if the stream can be written - */ - writable = true; - /** - * true if the stream can be read - */ - readable = true; - /** - * If `RType` is Buffer, then options do not need to be provided. - * Otherwise, an options object must be provided to specify either - * {@link Minipass.SharedOptions.objectMode} or - * {@link Minipass.SharedOptions.encoding}, as appropriate. - */ - constructor(...args) { - const options = (args[0] || - {}); - super(); - if (options.objectMode && typeof options.encoding === 'string') { - throw new TypeError('Encoding and objectMode may not be used together'); - } - if (isObjectModeOptions(options)) { - this[OBJECTMODE] = true; - this[ENCODING] = null; - } - else if (isEncodingOptions(options)) { - this[ENCODING] = options.encoding; - this[OBJECTMODE] = false; - } - else { - this[OBJECTMODE] = false; - this[ENCODING] = null; - } - this[ASYNC] = !!options.async; - this[DECODER] = this[ENCODING] - ? new node_string_decoder_1.StringDecoder(this[ENCODING]) - : null; - //@ts-ignore - private option for debugging and testing - if (options && options.debugExposeBuffer === true) { - Object.defineProperty(this, 'buffer', { get: () => this[BUFFER] }); - } - //@ts-ignore - private option for debugging and testing - if (options && options.debugExposePipes === true) { - Object.defineProperty(this, 'pipes', { get: () => this[PIPES] }); - } - const { signal } = options; - if (signal) { - this[SIGNAL] = signal; - if (signal.aborted) { - this[ABORT](); - } - else { - signal.addEventListener('abort', () => this[ABORT]()); - } - } - } - /** - * The amount of data stored in the buffer waiting to be read. - * - * For Buffer strings, this will be the total byte length. - * For string encoding streams, this will be the string character length, - * according to JavaScript's `string.length` logic. - * For objectMode streams, this is a count of the items waiting to be - * emitted. - */ - get bufferLength() { - return this[BUFFERLENGTH]; - } - /** - * The `BufferEncoding` currently in use, or `null` - */ - get encoding() { - return this[ENCODING]; - } - /** - * @deprecated - This is a read only property - */ - set encoding(_enc) { - throw new Error('Encoding must be set at instantiation time'); - } - /** - * @deprecated - Encoding may only be set at instantiation time - */ - setEncoding(_enc) { - throw new Error('Encoding must be set at instantiation time'); - } - /** - * True if this is an objectMode stream - */ - get objectMode() { - return this[OBJECTMODE]; - } - /** - * @deprecated - This is a read-only property - */ - set objectMode(_om) { - throw new Error('objectMode must be set at instantiation time'); - } - /** - * true if this is an async stream - */ - get ['async']() { - return this[ASYNC]; - } - /** - * Set to true to make this stream async. - * - * Once set, it cannot be unset, as this would potentially cause incorrect - * behavior. Ie, a sync stream can be made async, but an async stream - * cannot be safely made sync. - */ - set ['async'](a) { - this[ASYNC] = this[ASYNC] || !!a; - } - // drop everything and get out of the flow completely - [ABORT]() { - this[ABORTED] = true; - this.emit('abort', this[SIGNAL]?.reason); - this.destroy(this[SIGNAL]?.reason); - } - /** - * True if the stream has been aborted. - */ - get aborted() { - return this[ABORTED]; - } - /** - * No-op setter. Stream aborted status is set via the AbortSignal provided - * in the constructor options. - */ - set aborted(_) { } - write(chunk, encoding, cb) { - if (this[ABORTED]) - return false; - if (this[EOF]) - throw new Error('write after end'); - if (this[DESTROYED]) { - this.emit('error', Object.assign(new Error('Cannot call write after a stream was destroyed'), { code: 'ERR_STREAM_DESTROYED' })); - return true; - } - if (typeof encoding === 'function') { - cb = encoding; - encoding = 'utf8'; - } - if (!encoding) - encoding = 'utf8'; - const fn = this[ASYNC] ? defer : nodefer; - // convert array buffers and typed array views into buffers - // at some point in the future, we may want to do the opposite! - // leave strings and buffers as-is - // anything is only allowed if in object mode, so throw - if (!this[OBJECTMODE] && !Buffer.isBuffer(chunk)) { - if (isArrayBufferView(chunk)) { - //@ts-ignore - sinful unsafe type changing - chunk = Buffer.from(chunk.buffer, chunk.byteOffset, chunk.byteLength); - } - else if (isArrayBufferLike(chunk)) { - //@ts-ignore - sinful unsafe type changing - chunk = Buffer.from(chunk); - } - else if (typeof chunk !== 'string') { - throw new Error('Non-contiguous data written to non-objectMode stream'); - } - } - // handle object mode up front, since it's simpler - // this yields better performance, fewer checks later. - if (this[OBJECTMODE]) { - // maybe impossible? - /* c8 ignore start */ - if (this[FLOWING] && this[BUFFERLENGTH] !== 0) - this[FLUSH](true); - /* c8 ignore stop */ - if (this[FLOWING]) - this.emit('data', chunk); - else - this[BUFFERPUSH](chunk); - if (this[BUFFERLENGTH] !== 0) - this.emit('readable'); - if (cb) - fn(cb); - return this[FLOWING]; - } - // at this point the chunk is a buffer or string - // don't buffer it up or send it to the decoder - if (!chunk.length) { - if (this[BUFFERLENGTH] !== 0) - this.emit('readable'); - if (cb) - fn(cb); - return this[FLOWING]; - } - // fast-path writing strings of same encoding to a stream with - // an empty buffer, skipping the buffer/decoder dance - if (typeof chunk === 'string' && - // unless it is a string already ready for us to use - !(encoding === this[ENCODING] && !this[DECODER]?.lastNeed)) { - //@ts-ignore - sinful unsafe type change - chunk = Buffer.from(chunk, encoding); - } - if (Buffer.isBuffer(chunk) && this[ENCODING]) { - //@ts-ignore - sinful unsafe type change - chunk = this[DECODER].write(chunk); - } - // Note: flushing CAN potentially switch us into not-flowing mode - if (this[FLOWING] && this[BUFFERLENGTH] !== 0) - this[FLUSH](true); - if (this[FLOWING]) - this.emit('data', chunk); - else - this[BUFFERPUSH](chunk); - if (this[BUFFERLENGTH] !== 0) - this.emit('readable'); - if (cb) - fn(cb); - return this[FLOWING]; - } - /** - * Low-level explicit read method. - * - * In objectMode, the argument is ignored, and one item is returned if - * available. - * - * `n` is the number of bytes (or in the case of encoding streams, - * characters) to consume. If `n` is not provided, then the entire buffer - * is returned, or `null` is returned if no data is available. - * - * If `n` is greater that the amount of data in the internal buffer, - * then `null` is returned. - */ - read(n) { - if (this[DESTROYED]) - return null; - this[DISCARDED] = false; - if (this[BUFFERLENGTH] === 0 || - n === 0 || - (n && n > this[BUFFERLENGTH])) { - this[MAYBE_EMIT_END](); - return null; - } - if (this[OBJECTMODE]) - n = null; - if (this[BUFFER].length > 1 && !this[OBJECTMODE]) { - // not object mode, so if we have an encoding, then RType is string - // otherwise, must be Buffer - this[BUFFER] = [ - (this[ENCODING] - ? this[BUFFER].join('') - : Buffer.concat(this[BUFFER], this[BUFFERLENGTH])), - ]; - } - const ret = this[READ](n || null, this[BUFFER][0]); - this[MAYBE_EMIT_END](); - return ret; - } - [READ](n, chunk) { - if (this[OBJECTMODE]) - this[BUFFERSHIFT](); - else { - const c = chunk; - if (n === c.length || n === null) - this[BUFFERSHIFT](); - else if (typeof c === 'string') { - this[BUFFER][0] = c.slice(n); - chunk = c.slice(0, n); - this[BUFFERLENGTH] -= n; - } - else { - this[BUFFER][0] = c.subarray(n); - chunk = c.subarray(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 = undefined; - } - if (typeof encoding === 'function') { - cb = encoding; - encoding = 'utf8'; - } - if (chunk !== undefined) - this.write(chunk, encoding); - if (cb) - this.once('end', cb); - this[EOF] = true; - this.writable = false; - // if we haven't written anything, then go ahead and emit, - // even if we're not reading. - // we'll re-emit if a new 'end' listener is added anyway. - // This makes MP more suitable to write-only use cases. - if (this[FLOWING] || !this[PAUSED]) - this[MAYBE_EMIT_END](); - return this; - } - // don't let the internal resume be overwritten - [RESUME]() { - if (this[DESTROYED]) - return; - if (!this[DATALISTENERS] && !this[PIPES].length) { - this[DISCARDED] = true; - } - this[PAUSED] = false; - 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 the stream if it is currently in a paused state - * - * If called when there are no pipe destinations or `data` event listeners, - * this will place the stream in a "discarded" state, where all data will - * be thrown away. The discarded state is removed if a pipe destination or - * data handler is added, if pause() is called, or if any synchronous or - * asynchronous iteration is started. - */ - resume() { - return this[RESUME](); - } - /** - * Pause the stream - */ - pause() { - this[FLOWING] = false; - this[PAUSED] = true; - this[DISCARDED] = false; - } - /** - * true if the stream has been forcibly destroyed - */ - get destroyed() { - return this[DESTROYED]; - } - /** - * true if the stream is currently in a flowing state, meaning that - * any writes will be immediately emitted. - */ - get flowing() { - return this[FLOWING]; - } - /** - * true if the stream is currently in a paused state - */ - get paused() { - return this[PAUSED]; - } - [BUFFERPUSH](chunk) { - if (this[OBJECTMODE]) - this[BUFFERLENGTH] += 1; - else - this[BUFFERLENGTH] += chunk.length; - this[BUFFER].push(chunk); - } - [BUFFERSHIFT]() { - if (this[OBJECTMODE]) - this[BUFFERLENGTH] -= 1; - else - this[BUFFERLENGTH] -= this[BUFFER][0].length; - return this[BUFFER].shift(); - } - [FLUSH](noDrain = false) { - do { } while (this[FLUSHCHUNK](this[BUFFERSHIFT]()) && - this[BUFFER].length); - if (!noDrain && !this[BUFFER].length && !this[EOF]) - this.emit('drain'); - } - [FLUSHCHUNK](chunk) { - this.emit('data', chunk); - return this[FLOWING]; - } - /** - * Pipe all data emitted by this stream into the destination provided. - * - * Triggers the flow of data. - */ - pipe(dest, opts) { - if (this[DESTROYED]) - return dest; - this[DISCARDED] = false; - const ended = this[EMITTED_END]; - opts = opts || {}; - if (dest === proc.stdout || dest === proc.stderr) - opts.end = false; - else - opts.end = opts.end !== false; - opts.proxyErrors = !!opts.proxyErrors; - // piping an ended stream ends immediately - if (ended) { - if (opts.end) - dest.end(); - } - else { - // "as" here just ignores the WType, which pipes don't care about, - // since they're only consuming from us, and writing to the dest - this[PIPES].push(!opts.proxyErrors - ? new Pipe(this, dest, opts) - : new PipeProxyErrors(this, dest, opts)); - if (this[ASYNC]) - defer(() => this[RESUME]()); - else - this[RESUME](); - } - return dest; - } - /** - * Fully unhook a piped destination stream. - * - * If the destination stream was the only consumer of this stream (ie, - * there are no other piped destinations or `'data'` event listeners) - * then the flow of data will stop until there is another consumer or - * {@link Minipass#resume} is explicitly called. - */ - unpipe(dest) { - const p = this[PIPES].find(p => p.dest === dest); - if (p) { - if (this[PIPES].length === 1) { - if (this[FLOWING] && this[DATALISTENERS] === 0) { - this[FLOWING] = false; - } - this[PIPES] = []; - } - else - this[PIPES].splice(this[PIPES].indexOf(p), 1); - p.unpipe(); - } - } - /** - * Alias for {@link Minipass#on} - */ - addListener(ev, handler) { - return this.on(ev, handler); - } - /** - * Mostly identical to `EventEmitter.on`, with the following - * behavior differences to prevent data loss and unnecessary hangs: - * - * - Adding a 'data' event handler will trigger the flow of data - * - * - Adding a 'readable' event handler when there is data waiting to be read - * will cause 'readable' to be emitted immediately. - * - * - Adding an 'endish' event handler ('end', 'finish', etc.) which has - * already passed will cause the event to be emitted immediately and all - * handlers removed. - * - * - Adding an 'error' event handler after an error has been emitted will - * cause the event to be re-emitted immediately with the error previously - * raised. - */ - on(ev, handler) { - const ret = super.on(ev, handler); - if (ev === 'data') { - this[DISCARDED] = false; - this[DATALISTENERS]++; - if (!this[PIPES].length && !this[FLOWING]) { - this[RESUME](); - } - } - else if (ev === 'readable' && this[BUFFERLENGTH] !== 0) { - super.emit('readable'); - } - else if (isEndish(ev) && this[EMITTED_END]) { - super.emit(ev); - this.removeAllListeners(ev); - } - else if (ev === 'error' && this[EMITTED_ERROR]) { - const h = handler; - if (this[ASYNC]) - defer(() => h.call(this, this[EMITTED_ERROR])); - else - h.call(this, this[EMITTED_ERROR]); - } - return ret; - } - /** - * Alias for {@link Minipass#off} - */ - removeListener(ev, handler) { - return this.off(ev, handler); - } - /** - * Mostly identical to `EventEmitter.off` - * - * If a 'data' event handler is removed, and it was the last consumer - * (ie, there are no pipe destinations or other 'data' event listeners), - * then the flow of data will stop until there is another consumer or - * {@link Minipass#resume} is explicitly called. - */ - off(ev, handler) { - const ret = super.off(ev, handler); - // if we previously had listeners, and now we don't, and we don't - // have any pipes, then stop the flow, unless it's been explicitly - // put in a discarded flowing state via stream.resume(). - if (ev === 'data') { - this[DATALISTENERS] = this.listeners('data').length; - if (this[DATALISTENERS] === 0 && - !this[DISCARDED] && - !this[PIPES].length) { - this[FLOWING] = false; - } - } - return ret; - } - /** - * Mostly identical to `EventEmitter.removeAllListeners` - * - * If all 'data' event handlers are removed, and they were the last consumer - * (ie, there are no pipe destinations), then the flow of data will stop - * until there is another consumer or {@link Minipass#resume} is explicitly - * called. - */ - removeAllListeners(ev) { - const ret = super.removeAllListeners(ev); - if (ev === 'data' || ev === undefined) { - this[DATALISTENERS] = 0; - if (!this[DISCARDED] && !this[PIPES].length) { - this[FLOWING] = false; - } - } - return ret; - } - /** - * true if the 'end' event has been emitted - */ - get emittedEnd() { - return this[EMITTED_END]; - } - [MAYBE_EMIT_END]() { - if (!this[EMITTING_END] && - !this[EMITTED_END] && - !this[DESTROYED] && - this[BUFFER].length === 0 && - this[EOF]) { - this[EMITTING_END] = true; - this.emit('end'); - this.emit('prefinish'); - this.emit('finish'); - if (this[CLOSED]) - this.emit('close'); - this[EMITTING_END] = false; - } - } - /** - * Mostly identical to `EventEmitter.emit`, with the following - * behavior differences to prevent data loss and unnecessary hangs: - * - * If the stream has been destroyed, and the event is something other - * than 'close' or 'error', then `false` is returned and no handlers - * are called. - * - * If the event is 'end', and has already been emitted, then the event - * is ignored. If the stream is in a paused or non-flowing state, then - * the event will be deferred until data flow resumes. If the stream is - * async, then handlers will be called on the next tick rather than - * immediately. - * - * If the event is 'close', and 'end' has not yet been emitted, then - * the event will be deferred until after 'end' is emitted. - * - * If the event is 'error', and an AbortSignal was provided for the stream, - * and there are no listeners, then the event is ignored, matching the - * behavior of node core streams in the presense of an AbortSignal. - * - * If the event is 'finish' or 'prefinish', then all listeners will be - * removed after emitting the event, to prevent double-firing. - */ - emit(ev, ...args) { - const data = args[0]; - // error and close are only events allowed after calling destroy() - if (ev !== 'error' && - ev !== 'close' && - ev !== DESTROYED && - this[DESTROYED]) { - return false; - } - else if (ev === 'data') { - return !this[OBJECTMODE] && !data - ? false - : this[ASYNC] - ? (defer(() => this[EMITDATA](data)), true) - : this[EMITDATA](data); - } - else if (ev === 'end') { - return this[EMITEND](); - } - else if (ev === 'close') { - this[CLOSED] = true; - // don't emit close before 'end' and 'finish' - if (!this[EMITTED_END] && !this[DESTROYED]) - return false; - const ret = super.emit('close'); - this.removeAllListeners('close'); - return ret; - } - else if (ev === 'error') { - this[EMITTED_ERROR] = data; - super.emit(ERROR, data); - const ret = !this[SIGNAL] || this.listeners('error').length - ? super.emit('error', data) - : false; - this[MAYBE_EMIT_END](); - return ret; - } - else if (ev === 'resume') { - const ret = super.emit('resume'); - this[MAYBE_EMIT_END](); - return ret; - } - else if (ev === 'finish' || ev === 'prefinish') { - const ret = super.emit(ev); - this.removeAllListeners(ev); - return ret; - } - // Some other unknown event - const ret = super.emit(ev, ...args); - this[MAYBE_EMIT_END](); - return ret; - } - [EMITDATA](data) { - for (const p of this[PIPES]) { - if (p.dest.write(data) === false) - this.pause(); - } - const ret = this[DISCARDED] ? false : super.emit('data', data); - this[MAYBE_EMIT_END](); - return ret; - } - [EMITEND]() { - if (this[EMITTED_END]) - return false; - this[EMITTED_END] = true; - this.readable = false; - return this[ASYNC] - ? (defer(() => this[EMITEND2]()), true) - : this[EMITEND2](); - } - [EMITEND2]() { - if (this[DECODER]) { - const data = this[DECODER].end(); - if (data) { - for (const p of this[PIPES]) { - p.dest.write(data); - } - if (!this[DISCARDED]) - super.emit('data', data); - } - } - for (const p of this[PIPES]) { - p.end(); - } - const ret = super.emit('end'); - this.removeAllListeners('end'); - return ret; - } - /** - * Return a Promise that resolves to an array of all emitted data once - * the stream ends. - */ - async collect() { - const buf = Object.assign([], { - dataLength: 0, - }); - if (!this[OBJECTMODE]) - buf.dataLength = 0; - // set the promise first, in case an error is raised - // by triggering the flow here. - const p = this.promise(); - this.on('data', c => { - buf.push(c); - if (!this[OBJECTMODE]) - buf.dataLength += c.length; - }); - await p; - return buf; - } - /** - * Return a Promise that resolves to the concatenation of all emitted data - * once the stream ends. - * - * Not allowed on objectMode streams. - */ - async concat() { - if (this[OBJECTMODE]) { - throw new Error('cannot concat in objectMode'); - } - const buf = await this.collect(); - return (this[ENCODING] - ? buf.join('') - : Buffer.concat(buf, buf.dataLength)); - } - /** - * Return a void Promise that resolves once the stream ends. - */ - async promise() { - return new Promise((resolve, reject) => { - this.on(DESTROYED, () => reject(new Error('stream destroyed'))); - this.on('error', er => reject(er)); - this.on('end', () => resolve()); - }); - } - /** - * Asynchronous `for await of` iteration. - * - * This will continue emitting all chunks until the stream terminates. - */ - [Symbol.asyncIterator]() { - // set this up front, in case the consumer doesn't call next() - // right away. - this[DISCARDED] = false; - let stopped = false; - const stop = async () => { - this.pause(); - stopped = true; - return { value: undefined, done: true }; - }; - const next = () => { - if (stopped) - return stop(); - const res = this.read(); - if (res !== null) - return Promise.resolve({ done: false, value: res }); - if (this[EOF]) - return stop(); - let resolve; - let reject; - const onerr = (er) => { - this.off('data', ondata); - this.off('end', onend); - this.off(DESTROYED, ondestroy); - stop(); - reject(er); - }; - const ondata = (value) => { - this.off('error', onerr); - this.off('end', onend); - this.off(DESTROYED, ondestroy); - this.pause(); - resolve({ value, done: !!this[EOF] }); - }; - const onend = () => { - this.off('error', onerr); - this.off('data', ondata); - this.off(DESTROYED, ondestroy); - stop(); - resolve({ done: true, value: undefined }); - }; - const ondestroy = () => onerr(new Error('stream destroyed')); - return new Promise((res, rej) => { - reject = rej; - resolve = res; - this.once(DESTROYED, ondestroy); - this.once('error', onerr); - this.once('end', onend); - this.once('data', ondata); - }); - }; - return { - next, - throw: stop, - return: stop, - [Symbol.asyncIterator]() { - return this; - }, - [Symbol.asyncDispose]: async () => { }, - }; - } - /** - * Synchronous `for of` iteration. - * - * The iteration will terminate when the internal buffer runs out, even - * if the stream has not yet terminated. - */ - [Symbol.iterator]() { - // set this up front, in case the consumer doesn't call next() - // right away. - this[DISCARDED] = false; - let stopped = false; - const stop = () => { - this.pause(); - this.off(ERROR, stop); - this.off(DESTROYED, stop); - this.off('end', stop); - stopped = true; - return { done: true, value: undefined }; - }; - const next = () => { - if (stopped) - return stop(); - const value = this.read(); - return value === null ? stop() : { done: false, value }; - }; - this.once('end', stop); - this.once(ERROR, stop); - this.once(DESTROYED, stop); - return { - next, - throw: stop, - return: stop, - [Symbol.iterator]() { - return this; - }, - [Symbol.dispose]: () => { }, - }; - } - /** - * Destroy a stream, preventing it from being used for any further purpose. - * - * If the stream has a `close()` method, then it will be called on - * destruction. - * - * After destruction, any attempt to write data, read data, or emit most - * events will be ignored. - * - * If an error argument is provided, then it will be emitted in an - * 'error' event. - */ - destroy(er) { - if (this[DESTROYED]) { - if (er) - this.emit('error', er); - else - this.emit(DESTROYED); - return this; - } - this[DESTROYED] = true; - this[DISCARDED] = true; - // throw away all buffered data, it's never coming out - this[BUFFER].length = 0; - this[BUFFERLENGTH] = 0; - const wc = this; - if (typeof wc.close === 'function' && !this[CLOSED]) - wc.close(); - if (er) - this.emit('error', er); - // if no error to emit, still reject pending promises - else - this.emit(DESTROYED); - return this; - } - /** - * Alias for {@link isStream} - * - * Former export location, maintained for backwards compatibility. - * - * @deprecated - */ - static get isStream() { - return exports.isStream; - } -} -exports.Minipass = Minipass; -//# sourceMappingURL=index.js.map
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