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Diffstat (limited to 'deps/npm/node_modules/tar/node_modules/fs-minipass')
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diff --git a/deps/npm/node_modules/tar/node_modules/fs-minipass/LICENSE b/deps/npm/node_modules/tar/node_modules/fs-minipass/LICENSE new file mode 100644 index 0000000000..19129e315f --- /dev/null +++ b/deps/npm/node_modules/tar/node_modules/fs-minipass/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. diff --git a/deps/npm/node_modules/tar/node_modules/fs-minipass/README.md b/deps/npm/node_modules/tar/node_modules/fs-minipass/README.md new file mode 100644 index 0000000000..1e61241cf0 --- /dev/null +++ b/deps/npm/node_modules/tar/node_modules/fs-minipass/README.md @@ -0,0 +1,70 @@ +# fs-minipass + +Filesystem streams based on [minipass](http://npm.im/minipass). + +4 classes are exported: + +- ReadStream +- ReadStreamSync +- WriteStream +- WriteStreamSync + +When using `ReadStreamSync`, all of the data is made available +immediately upon consuming the stream. Nothing is buffered in memory +when the stream is constructed. If the stream is piped to a writer, +then it will synchronously `read()` and emit data into the writer as +fast as the writer can consume it. (That is, it will respect +backpressure.) If you call `stream.read()` then it will read the +entire file and return the contents. + +When using `WriteStreamSync`, every write is flushed to the file +synchronously. If your writes all come in a single tick, then it'll +write it all out in a single tick. It's as synchronous as you are. + +The async versions work much like their node builtin counterparts, +with the exception of introducing significantly less Stream machinery +overhead. + +## USAGE + +It's just streams, you pipe them or read() them or write() to them. + +```js +const fsm = require('fs-minipass') +const readStream = new fsm.ReadStream('file.txt') +const writeStream = new fsm.WriteStream('output.txt') +writeStream.write('some file header or whatever\n') +readStream.pipe(writeStream) +``` + +## ReadStream(path, options) + +Path string is required, but somewhat irrelevant if an open file +descriptor is passed in as an option. + +Options: + +- `fd` Pass in a numeric file descriptor, if the file is already open. +- `readSize` The size of reads to do, defaults to 16MB +- `size` The size of the file, if known. Prevents zero-byte read() + call at the end. +- `autoClose` Set to `false` to prevent the file descriptor from being + closed when the file is done being read. + +## WriteStream(path, options) + +Path string is required, but somewhat irrelevant if an open file +descriptor is passed in as an option. + +Options: + +- `fd` Pass in a numeric file descriptor, if the file is already open. +- `mode` The mode to create the file with. Defaults to `0o666`. +- `start` The position in the file to start reading. If not + specified, then the file will start writing at position zero, and be + truncated by default. +- `autoClose` Set to `false` to prevent the file descriptor from being + closed when the stream is ended. +- `flags` Flags to use when opening the file. Irrelevant if `fd` is + passed in, since file won't be opened in that case. Defaults to + `'a'` if a `pos` is specified, or `'w'` otherwise. diff --git a/deps/npm/node_modules/tar/node_modules/fs-minipass/index.js b/deps/npm/node_modules/tar/node_modules/fs-minipass/index.js new file mode 100644 index 0000000000..0f15c810eb --- /dev/null +++ b/deps/npm/node_modules/tar/node_modules/fs-minipass/index.js @@ -0,0 +1,386 @@ +'use strict' +const MiniPass = require('minipass') +const EE = require('events').EventEmitter +const fs = require('fs') + +// for writev +const binding = process.binding('fs') +const writeBuffers = binding.writeBuffers +const FSReqWrap = binding.FSReqWrap + +const _autoClose = Symbol('_autoClose') +const _close = Symbol('_close') +const _ended = Symbol('_ended') +const _fd = Symbol('_fd') +const _finished = Symbol('_finished') +const _flags = Symbol('_flags') +const _flush = Symbol('_flush') +const _handleChunk = Symbol('_handleChunk') +const _makeBuf = Symbol('_makeBuf') +const _mode = Symbol('_mode') +const _needDrain = Symbol('_needDrain') +const _onerror = Symbol('_onerror') +const _onopen = Symbol('_onopen') +const _onread = Symbol('_onread') +const _onwrite = Symbol('_onwrite') +const _open = Symbol('_open') +const _path = Symbol('_path') +const _pos = Symbol('_pos') +const _queue = Symbol('_queue') +const _read = Symbol('_read') +const _readSize = Symbol('_readSize') +const _reading = Symbol('_reading') +const _remain = Symbol('_remain') +const _size = Symbol('_size') +const _write = Symbol('_write') +const _writing = Symbol('_writing') +const _defaultFlag = Symbol('_defaultFlag') + +class ReadStream extends MiniPass { + constructor (path, opt) { + opt = opt || {} + super(opt) + + this.writable = false + + if (typeof path !== 'string') + throw new TypeError('path must be a string') + + this[_fd] = typeof opt.fd === 'number' ? opt.fd : null + this[_path] = path + this[_readSize] = opt.readSize || 16*1024*1024 + this[_reading] = false + this[_size] = typeof opt.size === 'number' ? opt.size : Infinity + this[_remain] = this[_size] + this[_autoClose] = typeof opt.autoClose === 'boolean' ? + opt.autoClose : true + + if (typeof this[_fd] === 'number') + this[_read]() + else + this[_open]() + } + + get fd () { return this[_fd] } + get path () { return this[_path] } + + write () { + throw new TypeError('this is a readable stream') + } + + end () { + throw new TypeError('this is a readable stream') + } + + [_open] () { + fs.open(this[_path], 'r', (er, fd) => this[_onopen](er, fd)) + } + + [_onopen] (er, fd) { + if (er) + this[_onerror](er) + else { + this[_fd] = fd + this.emit('open', fd) + this[_read]() + } + } + + [_makeBuf] () { + return Buffer.allocUnsafe(Math.min(this[_readSize], this[_remain])) + } + + [_read] () { + if (!this[_reading]) { + this[_reading] = true + const buf = this[_makeBuf]() + /* istanbul ignore if */ + if (buf.length === 0) return process.nextTick(() => this[_onread](null, 0, buf)) + fs.read(this[_fd], buf, 0, buf.length, null, (er, br, buf) => + this[_onread](er, br, buf)) + } + } + + [_onread] (er, br, buf) { + this[_reading] = false + if (er) + this[_onerror](er) + else if (this[_handleChunk](br, buf)) + this[_read]() + } + + [_close] () { + if (this[_autoClose] && typeof this[_fd] === 'number') { + fs.close(this[_fd], _ => this.emit('close')) + this[_fd] = null + } + } + + [_onerror] (er) { + this[_reading] = true + this[_close]() + this.emit('error', er) + } + + [_handleChunk] (br, buf) { + let ret = false + // no effect if infinite + this[_remain] -= br + if (br > 0) + ret = super.write(br < buf.length ? buf.slice(0, br) : buf) + + if (br === 0 || this[_remain] <= 0) { + ret = false + this[_close]() + super.end() + } + + return ret + } + + emit (ev, data) { + switch (ev) { + case 'prefinish': + case 'finish': + break + + case 'drain': + if (typeof this[_fd] === 'number') + this[_read]() + break + + default: + return super.emit(ev, data) + } + } +} + +class ReadStreamSync extends ReadStream { + [_open] () { + let threw = true + try { + this[_onopen](null, fs.openSync(this[_path], 'r')) + threw = false + } finally { + if (threw) + this[_close]() + } + } + + [_read] () { + let threw = true + try { + if (!this[_reading]) { + this[_reading] = true + do { + const buf = this[_makeBuf]() + /* istanbul ignore next */ + const br = buf.length === 0 ? 0 : fs.readSync(this[_fd], buf, 0, buf.length, null) + if (!this[_handleChunk](br, buf)) + break + } while (true) + this[_reading] = false + } + threw = false + } finally { + if (threw) + this[_close]() + } + } + + [_close] () { + if (this[_autoClose] && typeof this[_fd] === 'number') { + try { + fs.closeSync(this[_fd]) + } catch (er) {} + this[_fd] = null + this.emit('close') + } + } +} + +class WriteStream extends EE { + constructor (path, opt) { + opt = opt || {} + super(opt) + this.readable = false + this[_writing] = false + this[_ended] = false + this[_needDrain] = false + this[_queue] = [] + this[_path] = path + this[_fd] = typeof opt.fd === 'number' ? opt.fd : null + this[_mode] = opt.mode === undefined ? 0o666 : opt.mode + this[_pos] = typeof opt.start === 'number' ? opt.start : null + this[_autoClose] = typeof opt.autoClose === 'boolean' ? + opt.autoClose : true + + // truncating makes no sense when writing into the middle + const defaultFlag = this[_pos] !== null ? 'r+' : 'w' + this[_defaultFlag] = opt.flags === undefined + this[_flags] = this[_defaultFlag] ? defaultFlag : opt.flags + + if (this[_fd] === null) + this[_open]() + } + + get fd () { return this[_fd] } + get path () { return this[_path] } + + [_onerror] (er) { + this[_close]() + this[_writing] = true + this.emit('error', er) + } + + [_open] () { + fs.open(this[_path], this[_flags], this[_mode], + (er, fd) => this[_onopen](er, fd)) + } + + [_onopen] (er, fd) { + if (this[_defaultFlag] && + this[_flags] === 'r+' && + er && er.code === 'ENOENT') { + this[_flags] = 'w' + this[_open]() + } else if (er) + this[_onerror](er) + else { + this[_fd] = fd + this.emit('open', fd) + this[_flush]() + } + } + + end (buf, enc) { + if (buf) + this.write(buf, enc) + + this[_ended] = true + + // synthetic after-write logic, where drain/finish live + if (!this[_writing] && !this[_queue].length && + typeof this[_fd] === 'number') + this[_onwrite](null, 0) + } + + write (buf, enc) { + if (typeof buf === 'string') + buf = new Buffer(buf, enc) + + if (this[_ended]) { + this.emit('error', new Error('write() after end()')) + return false + } + + if (this[_fd] === null || this[_writing] || this[_queue].length) { + this[_queue].push(buf) + this[_needDrain] = true + return false + } + + this[_writing] = true + this[_write](buf) + return true + } + + [_write] (buf) { + fs.write(this[_fd], buf, 0, buf.length, this[_pos], (er, bw) => + this[_onwrite](er, bw)) + } + + [_onwrite] (er, bw) { + if (er) + this[_onerror](er) + else { + if (this[_pos] !== null) + this[_pos] += bw + if (this[_queue].length) + this[_flush]() + else { + this[_writing] = false + + if (this[_ended] && !this[_finished]) { + this[_finished] = true + this[_close]() + this.emit('finish') + } else if (this[_needDrain]) { + this[_needDrain] = false + this.emit('drain') + } + } + } + } + + [_flush] () { + if (this[_queue].length === 0) { + if (this[_ended]) + this[_onwrite](null, 0) + } else if (this[_queue].length === 1) + this[_write](this[_queue].pop()) + else { + const iovec = this[_queue] + this[_queue] = [] + writev(this[_fd], iovec, this[_pos], + (er, bw) => this[_onwrite](er, bw)) + } + } + + [_close] () { + if (this[_autoClose] && typeof this[_fd] === 'number') { + fs.close(this[_fd], _ => this.emit('close')) + this[_fd] = null + } + } +} + +class WriteStreamSync extends WriteStream { + [_open] () { + let fd + try { + fd = fs.openSync(this[_path], this[_flags], this[_mode]) + } catch (er) { + if (this[_defaultFlag] && + this[_flags] === 'r+' && + er && er.code === 'ENOENT') { + this[_flags] = 'w' + return this[_open]() + } else + throw er + } + this[_onopen](null, fd) + } + + [_close] () { + if (this[_autoClose] && typeof this[_fd] === 'number') { + try { + fs.closeSync(this[_fd]) + } catch (er) {} + this[_fd] = null + this.emit('close') + } + } + + [_write] (buf) { + try { + this[_onwrite](null, + fs.writeSync(this[_fd], buf, 0, buf.length, this[_pos])) + } catch (er) { + this[_onwrite](er, 0) + } + } +} + +const writev = (fd, iovec, pos, cb) => { + const done = (er, bw) => cb(er, bw, iovec) + const req = new FSReqWrap() + req.oncomplete = done + binding.writeBuffers(fd, iovec, pos, req) +} + +exports.ReadStream = ReadStream +exports.ReadStreamSync = ReadStreamSync + +exports.WriteStream = WriteStream +exports.WriteStreamSync = WriteStreamSync diff --git a/deps/npm/node_modules/tar/node_modules/fs-minipass/package.json b/deps/npm/node_modules/tar/node_modules/fs-minipass/package.json new file mode 100644 index 0000000000..9a96770d5c --- /dev/null +++ b/deps/npm/node_modules/tar/node_modules/fs-minipass/package.json @@ -0,0 +1,65 @@ +{ + "_args": [ + [ + "fs-minipass@1.2.5", + "/Users/rebecca/code/npm" + ] + ], + "_from": "fs-minipass@1.2.5", + "_id": "fs-minipass@1.2.5", + "_inBundle": false, + "_integrity": "sha512-JhBl0skXjUPCFH7x6x61gQxrKyXsxB5gcgePLZCwfyCGGsTISMoIeObbrvVeP6Xmyaudw4TT43qV2Gz+iyd2oQ==", + "_location": "/tar/fs-minipass", + "_phantomChildren": {}, + "_requested": { + "type": "version", + "registry": true, + "raw": "fs-minipass@1.2.5", + "name": "fs-minipass", + "escapedName": "fs-minipass", + "rawSpec": "1.2.5", + "saveSpec": null, + "fetchSpec": "1.2.5" + }, + "_requiredBy": [ + "/tar" + ], + "_resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.5.tgz", + "_spec": "1.2.5", + "_where": "/Users/rebecca/code/npm", + "author": { + "name": "Isaac Z. Schlueter", + "email": "i@izs.me", + "url": "http://blog.izs.me/" + }, + "bugs": { + "url": "https://github.com/npm/fs-minipass/issues" + }, + "dependencies": { + "minipass": "^2.2.1" + }, + "description": "fs read and write streams based on minipass", + "devDependencies": { + "mutate-fs": "^2.0.1", + "tap": "^10.7.2" + }, + "files": [ + "index.js" + ], + "homepage": "https://github.com/npm/fs-minipass#readme", + "keywords": [], + "license": "ISC", + "main": "index.js", + "name": "fs-minipass", + "repository": { + "type": "git", + "url": "git+https://github.com/npm/fs-minipass.git" + }, + "scripts": { + "postpublish": "git push origin --all; git push origin --tags", + "postversion": "npm publish", + "preversion": "npm test", + "test": "tap test/*.js --100 -J" + }, + "version": "1.2.5" +} |