Undefined is not a function - RequireJS

Question

I'm having trouble including a module in RequireJS.

There's two files.. test.js and card.js

In test.js, when the page loads it says "undefined is not a function":

require(
    ['app', 
     'jquery', 
     'card'], 
    function(App, $, Card) {
        var card = new Card("test");
    }
);

Here is the card.js:

define("Card", function () {
    function Card(name) {
       this.name = name;             
    };

    return Card;
});

I put some console.log()'s in the card.js and it calls those fine when it's being referenced like that in test.js. Also if I were to define a regular js object class in card.js (e.g.):

function Card(name) {
   this.name = name;
}

I am able to create that Card object properly in test.js.

Any clues how I'm hooking it all up wrong?

Click on the link at the right of the "undefined..." message in your inspector, it will show you the line it is breaking at. — symlink
– symlink, Commented May 24, 2014 at 16:18
Well, then you're obviously not "able to create that Card object properly". — Bergi
– Bergi, Commented May 24, 2014 at 17:35
Hint: your module names are not the same. Not sure whether require handles them case-insensitive and why it does not grump about that. — Bergi
– Bergi, Commented May 24, 2014 at 17:37
I was able to create a card object, just not through modules. It turned out to be a case sensitivity issue. Thanks. — Tim Nuwin
– Tim Nuwin, Commented May 24, 2014 at 18:45

Community · Accepted Answer · 2017-05-23 10:26:18Z

1

The problem, as Bergi said, is that your module names are not the same.

To RequireJS, Card and card are different modules.

All you have to do is change card.js to

define("card", function () {
    function Card(name) {
       this.name = name;             
    };

    return Card;
});

edited May 23, 2017 at 10:26

CommunityBot

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answered May 24, 2014 at 17:55

medimatrix

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