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-rw-r--r--node_modules/npm-run-all/lib/run-task.js206
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diff --git a/node_modules/npm-run-all/lib/run-task.js b/node_modules/npm-run-all/lib/run-task.js
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-/**
- * @module run-task
- * @author Toru Nagashima
- * @copyright 2015 Toru Nagashima. All rights reserved.
- * See LICENSE file in root directory for full license.
- */
-"use strict"
-
-//------------------------------------------------------------------------------
-// Requirements
-//------------------------------------------------------------------------------
-
-const path = require("path")
-const chalk = require("chalk")
-const parseArgs = require("shell-quote").parse
-const padEnd = require("string.prototype.padend")
-const createHeader = require("./create-header")
-const createPrefixTransform = require("./create-prefix-transform-stream")
-const spawn = require("./spawn")
-
-//------------------------------------------------------------------------------
-// Helpers
-//------------------------------------------------------------------------------
-
-const colors = [chalk.cyan, chalk.green, chalk.magenta, chalk.yellow, chalk.red]
-
-let colorIndex = 0
-const taskNamesToColors = new Map()
-
-/**
- * Select a color from given task name.
- *
- * @param {string} taskName - The task name.
- * @returns {function} A colorize function that provided by `chalk`
- */
-function selectColor(taskName) {
- let color = taskNamesToColors.get(taskName)
- if (!color) {
- color = colors[colorIndex]
- colorIndex = (colorIndex + 1) % colors.length
- taskNamesToColors.set(taskName, color)
- }
- return color
-}
-
-/**
- * Wraps stdout/stderr with a transform stream to add the task name as prefix.
- *
- * @param {string} taskName - The task name.
- * @param {stream.Writable} source - An output stream to be wrapped.
- * @param {object} labelState - An label state for the transform stream.
- * @returns {stream.Writable} `source` or the created wrapped stream.
- */
-function wrapLabeling(taskName, source, labelState) {
- if (source == null || !labelState.enabled) {
- return source
- }
-
- const label = padEnd(taskName, labelState.width)
- const color = source.isTTY ? selectColor(taskName) : (x) => x
- const prefix = color(`[${label}] `)
- const stream = createPrefixTransform(prefix, labelState)
-
- stream.pipe(source)
-
- return stream
-}
-
-/**
- * Converts a given stream to an option for `child_process.spawn`.
- *
- * @param {stream.Readable|stream.Writable|null} stream - An original stream to convert.
- * @param {process.stdin|process.stdout|process.stderr} std - A standard stream for this option.
- * @returns {string|stream.Readable|stream.Writable} An option for `child_process.spawn`.
- */
-function detectStreamKind(stream, std) {
- return (
- stream == null ? "ignore" :
- // `|| !std.isTTY` is needed for the workaround of https://github.com/nodejs/node/issues/5620
- stream !== std || !std.isTTY ? "pipe" :
- /* else */ stream
- )
-}
-
-/**
- * Ensure the output of shell-quote's `parse()` is acceptable input to npm-cli.
- *
- * The `parse()` method of shell-quote sometimes returns special objects in its
- * output array, e.g. if it thinks some elements should be globbed. But npm-cli
- * only accepts strings and will throw an error otherwise.
- *
- * See https://github.com/substack/node-shell-quote#parsecmd-env
- *
- * @param {object|string} arg - Item in the output of shell-quote's `parse()`.
- * @returns {string} A valid argument for npm-cli.
- */
-function cleanTaskArg(arg) {
- return arg.pattern || arg.op || arg
-}
-
-//------------------------------------------------------------------------------
-// Interface
-//------------------------------------------------------------------------------
-
-/**
- * Run a npm-script of a given name.
- * The return value is a promise which has an extra method: `abort()`.
- * The `abort()` kills the child process to run the npm-script.
- *
- * @param {string} task - A npm-script name to run.
- * @param {object} options - An option object.
- * @param {stream.Readable|null} options.stdin -
- * A readable stream to send messages to stdin of child process.
- * If this is `null`, ignores it.
- * If this is `process.stdin`, inherits it.
- * Otherwise, makes a pipe.
- * @param {stream.Writable|null} options.stdout -
- * A writable stream to receive messages from stdout of child process.
- * If this is `null`, cannot send.
- * If this is `process.stdout`, inherits it.
- * Otherwise, makes a pipe.
- * @param {stream.Writable|null} options.stderr -
- * A writable stream to receive messages from stderr of child process.
- * If this is `null`, cannot send.
- * If this is `process.stderr`, inherits it.
- * Otherwise, makes a pipe.
- * @param {string[]} options.prefixOptions -
- * An array of options which are inserted before the task name.
- * @param {object} options.labelState - A state object for printing labels.
- * @param {boolean} options.printName - The flag to print task names before running each task.
- * @returns {Promise}
- * A promise object which becomes fullfilled when the npm-script is completed.
- * This promise object has an extra method: `abort()`.
- * @private
- */
-module.exports = function runTask(task, options) {
- let cp = null
- const promise = new Promise((resolve, reject) => {
- const stdin = options.stdin
- const stdout = wrapLabeling(task, options.stdout, options.labelState)
- const stderr = wrapLabeling(task, options.stderr, options.labelState)
- const stdinKind = detectStreamKind(stdin, process.stdin)
- const stdoutKind = detectStreamKind(stdout, process.stdout)
- const stderrKind = detectStreamKind(stderr, process.stderr)
- const spawnOptions = { stdio: [stdinKind, stdoutKind, stderrKind] }
-
- // Print task name.
- if (options.printName && stdout != null) {
- stdout.write(createHeader(
- task,
- options.packageInfo,
- options.stdout.isTTY
- ))
- }
-
- // Execute.
- const npmPath = options.npmPath || process.env.npm_execpath //eslint-disable-line no-process-env
- const npmPathIsJs = typeof npmPath === "string" && /\.m?js/.test(path.extname(npmPath))
- const execPath = (npmPathIsJs ? process.execPath : npmPath || "npm")
- const isYarn = path.basename(npmPath || "npm").startsWith("yarn")
- const spawnArgs = ["run"]
-
- if (npmPathIsJs) {
- spawnArgs.unshift(npmPath)
- }
- if (!isYarn) {
- Array.prototype.push.apply(spawnArgs, options.prefixOptions)
- }
- else if (options.prefixOptions.indexOf("--silent") !== -1) {
- spawnArgs.push("--silent")
- }
- Array.prototype.push.apply(spawnArgs, parseArgs(task).map(cleanTaskArg))
-
- cp = spawn(execPath, spawnArgs, spawnOptions)
-
- // Piping stdio.
- if (stdinKind === "pipe") {
- stdin.pipe(cp.stdin)
- }
- if (stdoutKind === "pipe") {
- cp.stdout.pipe(stdout, { end: false })
- }
- if (stderrKind === "pipe") {
- cp.stderr.pipe(stderr, { end: false })
- }
-
- // Register
- cp.on("error", (err) => {
- cp = null
- reject(err)
- })
- cp.on("close", (code) => {
- cp = null
- resolve({ task, code })
- })
- })
-
- promise.abort = function abort() {
- if (cp != null) {
- cp.kill()
- cp = null
- }
- }
-
- return promise
-}