Cannot find module 'casper' when invoking through PhantomJS

Question

I installed PhantomJS in C:\xampp\htdocs\phantom and also I installed CasperJS in this folder C:\xampp\htdocs\casper

When I tried to run these sample code on casper site using phantomjs test.js command:

var casper=require('casper').create();
casper.start('http://google.fr/');

casper.thenEvaluate(function(term) {
    document.querySelector('input[name="q"]').setAttribute('value', term);
    document.querySelector('form[name="f"]').submit();
}, 'CasperJS');

casper.then(function() {
    // Click on 1st result link
    this.click('h3.r a');
});

casper.then(function() {
    console.log('clicked ok, new location is ' + this.getCurrentUrl());
});

casper.run();

It gives me an error telling me that:

Error: Cannot find module 'casper'

What did I do wrong?

Logan

Answer 1

If you want to run CasperJS through PhantomJS (since you invoke phantomjs test.js) you need some bootstrapping code at the beginning of the script:

phantom.casperPath = 'path/to/node_modules/casperjs';
phantom.injectJs('path/to/node_modules/casperjs/bin/bootstrap.js');

Keep in mind that even on windows, you need to use a forward slash.

If you need the test environment then you also need the line:

phantom.casperTest = true;

Everything is taken from this question: Running 'casperjs test' in phantom

Although this is possible you shouldn't do it. You should invoke CasperJS directly through its executable/batch file in node_modules/casperjs/batchbin.

Orientation

Answer 2

okay i know what i did wrong i had a mistake on the path i used for casperjs, i should have used "C:\xampp\htdocs\casper\batchbin" instead of "C:\xampp\htdocs\casper\bin". i will not delete this post, this might help other newbies to casperjs just like me.

Logan

This does not provide an answer to the question. To critique or request clarification from an author, leave a comment below their post - you can always comment on your own posts, and once you have sufficient reputation you will be able to comment on any post. – Adjunct

@DamienJoe This is an answer with a little commentary around it. – Orientation

Answer 3

You should run your program by the following command line:

casperjs test.js

Spanner

Answer 4

The error issue is with the path you have install the casper.js and phantom.js

//I am indicating the installation directory of casper.js
phantom.casperPath = '/usr/local/share/casperjs';

// indicating the inner directory of casper js which contains bootstrap.
phantom.injectJs(phantom.casperPath + '/bin/bootstrap.js');

I hope it will be helpful.

Chuppah

Answer 5

If you already have installed casperjs locally I think you can run it directly -> MacOs:

$ casperjs sample.js

Kuenlun