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How can I load a custom JavaScript file using RequireJS at the very beginning? Please note: The key is that RequireJS must load my script FIRST, before any other scripts, as the rest of my script depends on that file.

Currently, my:

requirejs-config.js

Has the following code:

var config = {
    deps: [
        'js/myJS',
    ]
};

My file, located in app/design/frontend/Vendor/Theme/web/myJS.js, is working, but it's being loaded AFTER the rest of the RequireJS files. How can I load myJS.js to be the very first file RequireJS loads?

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2
  • so is the rest of your script in another js file? – subroutines Nov 27 '18 at 4:02
  • I need to load it before all of Magento's stock JS files too. It needs to be the very first JS code loaded. – GTS Joe Nov 27 '18 at 4:03
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In your case it's probably easier to overwrite root.phtml instead of using require.js.

Copy default root.phtml from vendor/magento/module-theme/view/base/templates/ to your theme location app/design/frontend/Vendor/Theme/Magento_Theme/templates/. Edit the file to include your script right before or after where require.js is included. It'll look something like this,

<!doctype html>
<html <?= /* @escapeNotVerified */ $htmlAttributes ?>>
    <head <?= /* @escapeNotVerified */ $headAttributes ?>>        
        <script type="text/javascript" src="path/to/your/custom.js"></script>
        <?= /* @escapeNotVerified */ $requireJs ?>
        <?= /* @escapeNotVerified */ $headContent ?>
        <?= /* @escapeNotVerified */ $headAdditional ?>
    </head>
    <body data-container="body" data-mage-init='{"loaderAjax": {}, "loader": { "icon": "<?= /* @escapeNotVerified */ $loaderIcon ?>"}}' <?= /* @escapeNotVerified */ $bodyAttributes ?>>
        <?= /* @escapeNotVerified */ $layoutContent ?>
    </body>
</html>
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3
  • hi @subroutines, can you check this magento.stackexchange.com/questions/251362/… – jafar pinjar Nov 27 '18 at 6:06
  • This is what I wanted, thank you! But how do I get the base URL so I can link to my file? I tried <?php echo $this->getBaseUrl(); ?> but it doesn't work. Linking directly yields a 404 error. – GTS Joe Nov 27 '18 at 15:13
  • I got it! I was able to insert my script at the top by overriding root.phtml as you suggested then, right after <head>, putting: <script type="text/javascript" src="<?php echo $this->getViewFileUrl( '/' ); ?>/js/myJS.js"></script> – GTS Joe Nov 27 '18 at 18:59

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