107 lines
2.8 KiB
JavaScript
107 lines
2.8 KiB
JavaScript
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/**
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* Provides utility methods to execute a command
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* @module exec
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*/
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module.exports = {
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/**
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* Build and execute a child process using the spawn function
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* @param {Object} grunt - the grunt context
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* @param {String} script - the script to run
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* @param {Array} sources - the list of sources files
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* @param {Object} options - the list of cli flags
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* @return {ChildProcess} from the spawn
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*/
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buildSpawned : function(grunt, script, sources, options){
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'use strict';
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var util = require('util'),
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isWin = process.platform === 'win32',
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cmd = (isWin) ? 'cmd' : script,
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args = (isWin) ? ['/c', script] : [],
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spawn = require('child_process').spawn;
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// Compute JSDoc options
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for (var optionName in options) {
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var option = options[optionName];
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grunt.log.debug("Reading option: " + optionName);
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args.push('--' + optionName);
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if (options.hasOwnProperty(optionName) && typeof option === 'string') {
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grunt.log.debug(" > " + option);
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args.push(option);
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}
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}
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if(!util.isArray(sources)){
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sources = [sources];
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}
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args.push.apply(args, sources);
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// handle paths that contain spaces
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if (isWin) {
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// Windows: quote paths that have spaces
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args = args.map(function(item){
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if (item.indexOf(' ')>=0) {
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return '"' + item + '"';
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} else {
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return item;
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}
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});
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} else {
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// Unix: escape spaces in paths
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args = args.map(function(item){
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return item.replace(' ', '\\ ');
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});
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}
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grunt.log.debug("Running : "+ cmd + " " + args.join(' '));
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return spawn(cmd, args, {
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windowsVerbatimArguments: isWin // documentation PR is pending: https://github.com/joyent/node/pull/4259
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});
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},
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/**
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* Lookup file or path into node modules
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* @param {Object} grunt - the grunt context
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* @param {String} base - the file or path to lookup
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* @param {String|Array} extPath - additionnal pathes to lookup
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* @returns {String} the first matching resolved path
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*/
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lookup : function(grunt, base, extPath){
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'use strict';
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var paths = [],
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fs = require('fs'),
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path = require('path'),
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nodePath = process.env.NODE_PATH || '';
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//check first the base path into the cwd
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paths.push(base);
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if(!extPath){
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extPath = [];
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} else if(typeof extPath === 'string'){
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extPath = [extPath];
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}
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grunt.log.debug('nodePath' + nodePath);
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extPath.concat(nodePath.split(path.delimiter)).forEach(function(p){
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if(!/\/$/.test(p)){
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p += '/';
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}
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paths.push(p);
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paths.push(p + base);
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});
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for(var i in paths){
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grunt.log.debug('look up ' + base + ' at ' + paths[i]);
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if(fs.existsSync(paths[i]) && fs.statSync(paths[i]).isFile() === true ){
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//get the absolute path
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return path.resolve(paths[i]);
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}
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}
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return;
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}
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};
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