grunt-lib-phantomjs2-unofficial
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Grunt and PhantomJS, sitting in a tree. Unofficial fork of 0.7.1 that works with PhantomJS 2.0.0
Grunt and PhantomJS, sitting in a tree.
WARNING: This is an unoffical fork that works with PhantomJS version 2.0.0. It was created because the upgrade to the desired
version of PhantomJS has not yet been done for the master branch of grunt-lib-phantomjs.
The best way to understand how this lib should be used is by looking at the grunt-contrib-qunit plugin. Mainly, look at how the lib is required, how event handlers are bound and how PhantomJS is actually spawned.
Also, in the case of the grunt-contrib-qunit plugin, it's important to know that the page being loaded into PhantomJS doesn't know it will be loaded into PhantomJS, and as such doesn't have any PhantomJS->Grunt code in it. That communication code, aka. the "bridge", is dynamically injected into the html page.
timeout: PhantomJS' timeout, in milliseconds.inject: JavaScript to inject into the page.page: an object of options for the PhantomJS page object.screenshot: saves a screenshot on failureIf a Grunt task looked something like this:
grunt.registerTask('mytask', 'Integrate with phantomjs.', function() {
var phantomjs = require('grunt-lib-phantomjs').init(grunt);
var errorCount = 0;
// Handle any number of namespaced events like so.
phantomjs.on('mytask.ok', function(msg) {
grunt.log.writeln(msg);
});
phantomjs.on('mytask.error', function(msg) {
errorCount++;
grunt.log.error(msg);
});
// Create some kind of "all done" event.
phantomjs.on('mytask.done', function() {
phantomjs.halt();
});
// Built-in error handlers.
phantomjs.on('fail.load', function(url) {
phantomjs.halt();
grunt.warn('PhantomJS unable to load URL.');
});
phantomjs.on('fail.timeout', function() {
phantomjs.halt();
grunt.warn('PhantomJS timed out.');
});
// This task is async.
var done = this.async();
// Spawn phantomjs
phantomjs.spawn('test.html', {
// Additional PhantomJS options.
options: {},
// Complete the task when done.
done: function(err) {
done(err || errorCount === 0);
}
});
});
And test.html looked something like this (note the "bridge" is hard-coded into this page and not injected):
<!doctype html>
<html>
<head>
<script>
// Send messages to the parent PhantomJS process via alert! Good times!!
function sendMessage() {
var args = [].slice.call(arguments);
alert(JSON.stringify(args));
}
sendMessage('mytask.ok', 'Something worked.');
sendMessage('mytask.error', 'Something failed.');
sendMessage('mytask.done');
</script>
</head>
<body>
</body>
</html>
Then running Grunt would behave something like this:
$ grunt mytask
Running "mytask" task
Something worked.
>> Something failed.
Warning: Task "mytask" failed. Use --force to continue.
Aborted due to warnings.
PhantomJS requires these dependencies on Ubuntu/Debian:
apt-get install libfontconfig1 fontconfig libfontconfig1-dev libfreetype6-dev
FAQs
Grunt and PhantomJS, sitting in a tree. Unofficial fork of 0.7.1 that works with PhantomJS 2.0.0
We found that grunt-lib-phantomjs2-unofficial demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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