The error message received states: "materialize-css Uncaught TypeError: Vel is not defined as

My current setup involves webpack as the bundler/loader, and I've successfully loaded materialize css (js/css). However, when attempting to use the toast feature, an error is thrown:

Uncaught TypeError: Vel is not a function

The library is being included in the main index.js file using the following import statements:

import 'materialize-css/bin/materialize.css'
import 'materialize-css/bin/materialize.js'

Any ideas on why this issue might be occurring? Upon inspecting the bundled source code, the js for materialize appears to be present.

javascriptcssnpmwebpackmaterialize

Answer №1

Encountered a similar issue and devised a more straightforward solution: Just two simple steps need to be taken:

Step One: Import the following code in your root module, such as app.js

//assuming you have installed materialize-css using npm or yarn

import "materialize-css";
import 'materialize-css/js/toasts';

Step Two: If using webpack, configure the following Plugin or define velocity.min.js as a global variable akin to how you would use jQuery:

  new webpack.ProvidePlugin({
    "$": "jquery",
    "jQuery': "jquery",
    "Vel": "materialize-css/js/velocity.min.js"
  }),

Answer №2

While attempting to integrate materialize-css with webpack, I encountered a similar issue due to the fact that Materialize is not designed for use with module loaders and relies on global variables. Additionally, it bundles dependencies directly into its script, which may not align with a webpack workflow.

Although my setup may differ slightly from yours, I will share how I made webpack work with Materialize in a file I created:

/**
 * custom-materialize.js
 */

// Include the necessary parts from a scss file.
require('./custom-materialize.scss');

/**
 * Include required materialize scripts.
 */
require('materialize-css/js/initial');
require('materialize-css/js/jquery.easing.1.3');
require('materialize-css/js/animation');
require('materialize-css/js/global');
require('materialize-css/js/dropdown');

To address this, simply install Velocity from npm by running npm install velocity-animate and update the configuration in webpack as follows:

new webpack.ProvidePlugin({
    '$': 'jquery',
    'jQuery': 'jquery',
    'Vel': 'velocity-animate'
}),

Answer №3

Ensure that when setting up your webpage, you import the CSS and JS files separately into your index.html file. It's important to note not to import the CSS file within your index.js file.

Answer №4

Ensure that the configuration of the uglifyJsPlugin is as follows:

 new webpack.optimize.UglifyJsPlugin({sourceMap: true, mangle: false})

The mangle property must be set to false in order to preserve the original variable names when minifying your source code.

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