113 lines
3.2 KiB
JavaScript
113 lines
3.2 KiB
JavaScript
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/*
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* grunt-contrib-watch
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* http://gruntjs.com/
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*
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* Copyright (c) 2014 "Cowboy" Ben Alman, contributors
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* Licensed under the MIT license.
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*/
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'use strict';
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var path = require('path');
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var EE = require('events').EventEmitter;
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var util = require('util');
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module.exports = function(grunt) {
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var livereload = require('./livereload')(grunt);
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// Create a TaskRun on a target
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function TaskRun(target) {
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this.name = target.name || 0;
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this.files = target.files || [];
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this._getConfig = target._getConfig;
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this.options = target.options;
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this.startedAt = false;
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this.spawned = null;
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this.changedFiles = Object.create(null);
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this.spawnTaskFailure = false;
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this.livereloadOnError = true;
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if (typeof this.options.livereloadOnError !== 'undefined') {
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this.livereloadOnError = this.options.livereloadOnError;
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}
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}
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var getErrorCount = function(){
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if (typeof grunt.fail.forever_warncount !== 'undefined') {
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return grunt.fail.forever_warncount + grunt.fail.forever_errorcount;
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} else {
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return grunt.fail.warncount + grunt.fail.errorcount;
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}
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};
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// Run it
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TaskRun.prototype.run = function(done) {
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var self = this;
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// Dont run if already running
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if (self.startedAt !== false) { return; }
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// Start this task run
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self.startedAt = Date.now();
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// reset before each run
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self.spawnTaskFailure = false;
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self.errorsAndWarningsCount = getErrorCount();
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// pull the tasks here in case they were changed by a watch event listener
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self.tasks = self._getConfig('tasks') || [];
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if (typeof self.tasks === 'string') {
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self.tasks = [self.tasks];
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}
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// If no tasks just call done to trigger potential livereload
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if (self.tasks.length < 1) { return done(); }
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if (self.options.spawn === false || self.options.nospawn === true) {
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grunt.task.run(self.tasks);
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done();
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} else {
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self.spawned = grunt.util.spawn({
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// Spawn with the grunt bin
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grunt: true,
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// Run from current working dir and inherit stdio from process
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opts: {
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cwd: self.options.cwd.spawn,
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stdio: 'inherit',
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},
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// Run grunt this process uses, append the task to be run and any cli options
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args: self.tasks.concat(self.options.cliArgs || []),
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}, function(err, res, code) {
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self.spawnTaskFailure = (code !== 0);
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if (self.options.interrupt !== true || (code !== 130 && code !== 1)) {
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// Spawn is done
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self.spawned = null;
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done();
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}
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});
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}
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};
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// When the task run has completed
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TaskRun.prototype.complete = function() {
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var time = Date.now() - this.startedAt;
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this.startedAt = false;
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if (this.spawned) {
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this.spawned.kill('SIGINT');
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this.spawned = null;
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}
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var taskFailed = this.spawnTaskFailure || (getErrorCount() > this.errorsAndWarningsCount);
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this.errorsAndWarningsCount = getErrorCount();
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// Trigger livereload if necessary
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if (this.livereload && (this.livereloadOnError || !taskFailed)) {
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this.livereload.trigger(Object.keys(this.changedFiles));
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this.changedFiles = Object.create(null);
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}
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return time;
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};
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return TaskRun;
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};
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