node-query/node_modules/grunt-jsdoc/tasks/lib/exec.js

107 lines
2.8 KiB
JavaScript
Raw Normal View History

2014-10-20 16:56:45 -04:00
/**
* Provides utility methods to execute a command
* @module exec
*/
module.exports = {
/**
* Build and execute a child process using the spawn function
* @param {Object} grunt - the grunt context
* @param {String} script - the script to run
* @param {Array} sources - the list of sources files
* @param {Object} options - the list of cli flags
* @return {ChildProcess} from the spawn
*/
buildSpawned : function(grunt, script, sources, options){
'use strict';
var util = require('util'),
isWin = process.platform === 'win32',
cmd = (isWin) ? 'cmd' : script,
args = (isWin) ? ['/c', script] : [],
spawn = require('child_process').spawn;
// Compute JSDoc options
for (var optionName in options) {
var option = options[optionName];
grunt.log.debug("Reading option: " + optionName);
args.push('--' + optionName);
if (options.hasOwnProperty(optionName) && typeof option === 'string') {
grunt.log.debug(" > " + option);
args.push(option);
}
}
if(!util.isArray(sources)){
sources = [sources];
}
args.push.apply(args, sources);
// handle paths that contain spaces
if (isWin) {
// Windows: quote paths that have spaces
args = args.map(function(item){
if (item.indexOf(' ')>=0) {
return '"' + item + '"';
} else {
return item;
}
});
} else {
// Unix: escape spaces in paths
args = args.map(function(item){
return item.replace(' ', '\\ ');
});
}
grunt.log.debug("Running : "+ cmd + " " + args.join(' '));
return spawn(cmd, args, {
windowsVerbatimArguments: isWin // documentation PR is pending: https://github.com/joyent/node/pull/4259
});
},
/**
* Lookup file or path into node modules
* @param {Object} grunt - the grunt context
* @param {String} base - the file or path to lookup
* @param {String|Array} extPath - additionnal pathes to lookup
* @returns {String} the first matching resolved path
*/
lookup : function(grunt, base, extPath){
'use strict';
var paths = [],
fs = require('fs'),
path = require('path'),
nodePath = process.env.NODE_PATH || '';
//check first the base path into the cwd
paths.push(base);
if(!extPath){
extPath = [];
} else if(typeof extPath === 'string'){
extPath = [extPath];
}
grunt.log.debug('nodePath' + nodePath);
extPath.concat(nodePath.split(path.delimiter)).forEach(function(p){
if(!/\/$/.test(p)){
p += '/';
}
paths.push(p);
paths.push(p + base);
});
for(var i in paths){
grunt.log.debug('look up ' + base + ' at ' + paths[i]);
if(fs.existsSync(paths[i]) && fs.statSync(paths[i]).isFile() === true ){
//get the absolute path
return path.resolve(paths[i]);
}
}
return;
}
};