Using the same template file with HtmlWebpackPlugin and EJS?

Using the same template file with HtmlWebpackPlugin and EJS?

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Using the same template file with HtmlWebpackPlugin and EJS?
Tag : javascript , By : robinator
Date : November 28 2020, 12:01 PM

may help you . In HtmlWebpackPlugin, <%- means output escaped and <%= means output unescaped. In EJS, it's the opposite. Is it possible to swap them for either HtmlWebpackPlugin or EJS? , Here's the custom loader I used:
// From html-webpack-loader/lib/loader.js

const _ = require('lodash');

module.exports = function (source) {
  const allLoadersButThisOne = this.loaders.filter(loader => loader.normal !== module.exports);
  // This loader shouldn't kick in if there is any other loader (unless it's explicitly enforced)
  if (allLoadersButThisOne.length > 0) {
    return source;
  // Skip .js files (unless it's explicitly enforced)
  if (/\.js$/.test(this.resourcePath)) {
    return source;

  // The following part renders the template with lodash as a minimalistic loader
  const template = _.template(source, {
    interpolate: /<%-([\s\S]+?)%>/g,
    escape: /<%=([\s\S]+?)%>/g,
    variable: 'data',
  // Use __non_webpack_require__ to enforce using the native nodejs require
  // during template execution
  return `var _ = __non_webpack_require__(${JSON.stringify(require.resolve('lodash'))});
    module.exports = function (templateParams) { with(templateParams) {
      return (${template.source})();

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HtmlWebpackPlugin erase template div

Tag : javascript , By : fstender
Date : March 29 2020, 07:55 AM
hop of those help? A typo in the template key in your configuration means that it is using a default template and not the one you were trying to include. The default behavior makes this error difficult to spot.
tempalte : __dirname + '/app/index.html' should be template : __dirname + '/app/index.html'

Using nunjucks with htmlWebpackPlugin using dynamic vars in the template

Tag : javascript , By : Longchao Dong
Date : March 29 2020, 07:55 AM
should help you out Alright, so I found a workaround here with the nunjucks-isomorphic-loader which seems not super supported but still. It works for now !
Here's my webPack config
const path = require('path')
const webpack = require('webpack')
const HtmlWebpackPlugin = require('html-webpack-plugin')

const DEV_ENV = process.env.NODE_ENV === 'dev'

const wpConfig = {
  entry: './assets/js/app.js',

  output: {
    path: path.resolve('./dist/js'),
    filename: 'bundle.js'

  module: {
    rules: [
      // Javascript
        test: /\.js$/,
        exclude: /(node_modules)/,
        use: {
          loader: 'babel-loader'

      // Nunjucks - HTML
        test: /\.njk$/,
        use: [
            loader: 'nunjucks-isomorphic-loader',
            query: {
              root: [path.resolve(__dirname, 'assets/templates')]

  plugins: [
    new webpack.DefinePlugin({

    new HtmlWebpackPlugin({
      myOptions: { foo: 'bar' },
      filename: path.join(__dirname, '/' + page.filename),
      template: 'assets/templates/index.njk'

module.exports = wpConfig
{% set vars = htmlWebpackPlugin.options.myOptions %}

<!DOCTYPE html>
    <meta charset="utf-8">
    <title>{{ vars.foo }}</title>
    {% block header %}
      <h1 class="header-logo">
        <a href="#">{{ vars.foo }}</a><!-- Outputs bar -->
    {% endblock %}

    {% block content %}

    {% endblock %}
{% extends "_layout.njk" %}

{% block content %}
here's the content of my `foo` var: {{ vars.foo }}
{% endblock %}

Write template to disk by HtmlWebpackPlugin when using webpack-dev-server

Tag : javascript , By : TC.
Date : March 29 2020, 07:55 AM
Hope this helps webpack-dev-server does not write the bundled files to disk, it only reads it from memory.
To write the bundled files to disk you have to manually use the webpack --watch in the npm scripts of your package.json such that your start script looks like this
"scripts": {
  "start": "webpack --watch && webpack-dev-server --progress --colors",

Use HTMLWebpackPlugin with an EJS file

Tag : webpack , By : littlefuzz
Date : March 29 2020, 07:55 AM

Index.html template isn't loading favicon for HtmlWebpackPlugin

Tag : javascript , By : Vlad Sirenko
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , HTMLWebpackPlugin will not parse the HTML to find your resources. You'll need to include it like this in your template:
<link rel="shortcut icon" href="${require('favicon.ico')}">
   test: /\.ico$/,
   loader: 'file-loader'
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