/*
|
* grunt-contrib-watch
|
* http://gruntjs.com/
|
*
|
* Copyright (c) 2018 "Cowboy" Ben Alman, contributors
|
* Licensed under the MIT license.
|
*/
|
|
'use strict';
|
|
module.exports = function(grunt) {
|
|
// Create a TaskRun on a target
|
function TaskRun(target) {
|
this.name = target.name || 0;
|
this.files = target.files || [];
|
this._getConfig = target._getConfig;
|
this.options = target.options;
|
this.startedAt = false;
|
this.spawned = null;
|
this.changedFiles = Object.create(null);
|
this.spawnTaskFailure = false;
|
this.livereloadOnError = true;
|
if (typeof this.options.livereloadOnError !== 'undefined') {
|
this.livereloadOnError = this.options.livereloadOnError;
|
}
|
}
|
|
var getErrorCount = function() {
|
if (typeof grunt.fail.forever_warncount !== 'undefined') {
|
return grunt.fail.forever_warncount + grunt.fail.forever_errorcount;
|
} else {
|
return grunt.fail.warncount + grunt.fail.errorcount;
|
}
|
};
|
|
// Run it
|
TaskRun.prototype.run = function(done) {
|
var self = this;
|
|
// Dont run if already running
|
if (self.startedAt !== false) {
|
return;
|
}
|
|
// Start this task run
|
self.startedAt = Date.now();
|
|
// reset before each run
|
self.spawnTaskFailure = false;
|
self.errorsAndWarningsCount = getErrorCount();
|
|
// pull the tasks here in case they were changed by a watch event listener
|
self.tasks = self._getConfig('tasks') || [];
|
if (typeof self.tasks === 'string') {
|
self.tasks = [self.tasks];
|
}
|
|
// If no tasks just call done to trigger potential livereload
|
if (self.tasks.length < 1) {
|
return done();
|
}
|
|
if (self.options.spawn === false || self.options.nospawn === true) {
|
grunt.task.run(self.tasks);
|
done();
|
} else {
|
self.spawned = grunt.util.spawn({
|
// Spawn with the grunt bin
|
grunt: true,
|
// Run from current working dir and inherit stdio from process
|
opts: {
|
cwd: self.options.cwd.spawn,
|
stdio: 'inherit'
|
},
|
// Run grunt this process uses, append the task to be run and any cli options
|
args: self.tasks.concat(self.options.cliArgs || [])
|
}, function(err, res, code) {
|
self.spawnTaskFailure = (code !== 0);
|
if (self.options.interrupt !== true || (code !== 130 && code !== 1)) {
|
// Spawn is done
|
self.spawned = null;
|
done();
|
}
|
});
|
}
|
};
|
|
// When the task run has completed
|
TaskRun.prototype.complete = function() {
|
var time = Date.now() - this.startedAt;
|
this.startedAt = false;
|
if (this.spawned) {
|
this.spawned.kill('SIGINT');
|
this.spawned = null;
|
}
|
|
var taskFailed = this.spawnTaskFailure || (getErrorCount() > this.errorsAndWarningsCount);
|
this.errorsAndWarningsCount = getErrorCount();
|
|
// Trigger livereload if necessary
|
if (this.livereload && (this.livereloadOnError || !taskFailed)) {
|
this.livereload.trigger(Object.keys(this.changedFiles));
|
this.changedFiles = Object.create(null);
|
}
|
return time;
|
};
|
|
return TaskRun;
|
};
|
