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author | Minteck <contact@minteck.org> | 2022-01-21 14:39:46 +0100 |
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committer | Minteck <contact@minteck.org> | 2022-01-21 14:39:46 +0100 |
commit | 3a04cb197f152f171fba679663a91a9bb61d710e (patch) | |
tree | 825d8f9b0daab3e434d85704144ca87492da9b92 /node_modules/jake/lib/utils/index.js | |
parent | c2aa7bf38fb30de2d04f87f8e7780e4c768ae6b1 (diff) | |
download | cobalt-3a04cb197f152f171fba679663a91a9bb61d710e.tar.gz cobalt-3a04cb197f152f171fba679663a91a9bb61d710e.tar.bz2 cobalt-3a04cb197f152f171fba679663a91a9bb61d710e.zip |
Add config management
Diffstat (limited to 'node_modules/jake/lib/utils/index.js')
-rw-r--r-- | node_modules/jake/lib/utils/index.js | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/node_modules/jake/lib/utils/index.js b/node_modules/jake/lib/utils/index.js new file mode 100644 index 0000000..17d686b --- /dev/null +++ b/node_modules/jake/lib/utils/index.js @@ -0,0 +1,297 @@ +/* + * Jake JavaScript build tool + * Copyright 2112 Matthew Eernisse (mde@fleegix.org) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * +*/ + + +let util = require('util'); // Native Node util module +let spawn = require('child_process').spawn; +let EventEmitter = require('events').EventEmitter; +let logger = require('./logger'); +let file = require('./file'); +let Exec; + +const _UUID_CHARS = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split(''); + +let parseArgs = function (argumentsObj) { + let args; + let arg; + let cmds; + let callback; + let opts = { + interactive: false, + printStdout: false, + printStderr: false, + breakOnError: true + }; + + args = Array.prototype.slice.call(argumentsObj); + + cmds = args.shift(); + // Arrayize if passed a single string command + if (typeof cmds == 'string') { + cmds = [cmds]; + } + // Make a copy if it's an actual list + else { + cmds = cmds.slice(); + } + + // Get optional callback or opts + while((arg = args.shift())) { + if (typeof arg == 'function') { + callback = arg; + } + else if (typeof arg == 'object') { + opts = Object.assign(opts, arg); + } + } + + // Backward-compat shim + if (typeof opts.stdout != 'undefined') { + opts.printStdout = opts.stdout; + delete opts.stdout; + } + if (typeof opts.stderr != 'undefined') { + opts.printStderr = opts.stderr; + delete opts.stderr; + } + + return { + cmds: cmds, + opts: opts, + callback: callback + }; +}; + +/** + @name jake + @namespace jake +*/ +let utils = new (function () { + /** + @name jake.exec + @static + @function + @description Executes shell-commands asynchronously with an optional + final callback. + ` + @param {String[]} cmds The list of shell-commands to execute + @param {Object} [opts] + @param {Boolean} [opts.printStdout=false] Print stdout from each command + @param {Boolean} [opts.printStderr=false] Print stderr from each command + @param {Boolean} [opts.breakOnError=true] Stop further execution on + the first error. + @param {Boolean} [opts.windowsVerbatimArguments=false] Don't translate + arguments on Windows. + @param {Function} [callback] Callback to run after executing the + commands + + @example + let cmds = [ + 'echo "showing directories"' + , 'ls -al | grep ^d' + , 'echo "moving up a directory"' + , 'cd ../' + ] + , callback = function () { + console.log('Finished running commands.'); + } + jake.exec(cmds, {stdout: true}, callback); + */ + this.exec = function (a, b, c) { + let parsed = parseArgs(arguments); + let cmds = parsed.cmds; + let opts = parsed.opts; + let callback = parsed.callback; + + let ex = new Exec(cmds, opts, callback); + + ex.addListener('error', function (msg, code) { + if (opts.breakOnError) { + fail(msg, code); + } + }); + ex.run(); + + return ex; + }; + + this.createExec = function (a, b, c) { + return new Exec(a, b, c); + }; + + // From Math.uuid.js, https://github.com/broofa/node-uuid + // Robert Kieffer (robert@broofa.com), MIT license + this.uuid = function (length, radix) { + var chars = _UUID_CHARS + , uuid = [] + , r + , i; + + radix = radix || chars.length; + + if (length) { + // Compact form + i = -1; + while (++i < length) { + uuid[i] = chars[0 | Math.random()*radix]; + } + } else { + // rfc4122, version 4 form + + // rfc4122 requires these characters + uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-'; + uuid[14] = '4'; + + // Fill in random data. At i==19 set the high bits of clock sequence as + // per rfc4122, sec. 4.1.5 + i = -1; + while (++i < 36) { + if (!uuid[i]) { + r = 0 | Math.random()*16; + uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r]; + } + } + } + + return uuid.join(''); + }; + +})(); + +Exec = function () { + let parsed = parseArgs(arguments); + let cmds = parsed.cmds; + let opts = parsed.opts; + let callback = parsed.callback; + + this._cmds = cmds; + this._callback = callback; + this._config = opts; +}; + +util.inherits(Exec, EventEmitter); + +Object.assign(Exec.prototype, new (function () { + + let _run = function () { + let self = this; + let sh; + let cmd; + let args; + let next = this._cmds.shift(); + let config = this._config; + let errData = ''; + let shStdio; + let handleStdoutData = function (data) { + self.emit('stdout', data); + }; + let handleStderrData = function (data) { + let d = data.toString(); + self.emit('stderr', data); + // Accumulate the error-data so we can use it as the + // stack if the process exits with an error + errData += d; + }; + + // Keep running as long as there are commands in the array + if (next) { + let spawnOpts = {}; + this.emit('cmdStart', next); + + // Ganking part of Node's child_process.exec to get cmdline args parsed + if (process.platform == 'win32') { + cmd = 'cmd'; + args = ['/c', next]; + if (config.windowsVerbatimArguments) { + spawnOpts.windowsVerbatimArguments = true; + } + } + else { + cmd = '/bin/sh'; + args = ['-c', next]; + } + + if (config.interactive) { + spawnOpts.stdio = 'inherit'; + sh = spawn(cmd, args, spawnOpts); + } + else { + shStdio = [ + process.stdin + ]; + if (config.printStdout) { + shStdio.push(process.stdout); + } + else { + shStdio.push('pipe'); + } + if (config.printStderr) { + shStdio.push(process.stderr); + } + else { + shStdio.push('pipe'); + } + spawnOpts.stdio = shStdio; + sh = spawn(cmd, args, spawnOpts); + if (!config.printStdout) { + sh.stdout.addListener('data', handleStdoutData); + } + if (!config.printStderr) { + sh.stderr.addListener('data', handleStderrData); + } + } + + // Exit, handle err or run next + sh.on('exit', function (code) { + let msg; + if (code !== 0) { + msg = errData || 'Process exited with error.'; + msg = msg.trim(); + self.emit('error', msg, code); + } + if (code === 0 || !config.breakOnError) { + self.emit('cmdEnd', next); + setTimeout(function () { _run.call(self); }, 0); + } + }); + + } + else { + self.emit('end'); + if (typeof self._callback == 'function') { + self._callback(); + } + } + }; + + this.append = function (cmd) { + this._cmds.push(cmd); + }; + + this.run = function () { + _run.call(this); + }; + +})()); + +utils.Exec = Exec; +utils.file = file; +utils.logger = logger; + +module.exports = utils; + |