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authorMinteck <contact@minteck.org>2022-01-21 14:39:46 +0100
committerMinteck <contact@minteck.org>2022-01-21 14:39:46 +0100
commit3a04cb197f152f171fba679663a91a9bb61d710e (patch)
tree825d8f9b0daab3e434d85704144ca87492da9b92 /node_modules/jake/lib/utils/index.js
parentc2aa7bf38fb30de2d04f87f8e7780e4c768ae6b1 (diff)
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Add config management
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+/*
+ * 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;
+