667 lines
29 KiB
Markdown
667 lines
29 KiB
Markdown
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[![npm][npm]][npm-url]
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[![node][node]][node-url]
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![npm](https://img.shields.io/npm/dw/html-webpack-plugin.svg)
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[![tests][tests]][tests-url]
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[![Backers on Open Collective](https://opencollective.com/html-webpack-plugin/backers/badge.svg)](#backers)
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[![Sponsors on Open Collective](https://opencollective.com/html-webpack-plugin/sponsors/badge.svg)](#sponsors)
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<div align="center">
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<img width="200" height="200" src="https://www.w3.org/html/logo/downloads/HTML5_Badge.svg">
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<a href="https://github.com/webpack/webpack">
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<img width="200" height="200"
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src="https://webpack.js.org/assets/icon-square-big.svg">
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</a>
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<div>
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<img width="100" height="100" title="Webpack Plugin" src="http://michael-ciniawsky.github.io/postcss-load-plugins/logo.svg">
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</div>
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<h1>HTML Webpack Plugin</h1>
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<p>Plugin that simplifies creation of HTML files to serve your bundles</p>
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</div>
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<h2 align="center">Install</h2>
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<h3>Webpack 5</h3>
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```bash
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npm i --save-dev html-webpack-plugin
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```
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```bash
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yarn add --dev html-webpack-plugin
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```
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<h3>Webpack 4</h3>
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```bash
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npm i --save-dev html-webpack-plugin@4
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```
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```bash
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yarn add --dev html-webpack-plugin@4
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```
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This is a [webpack](http://webpack.js.org/) plugin that simplifies creation of HTML files to serve your `webpack` bundles. This is especially useful for `webpack` bundles that include a hash in the filename which changes every compilation. You can either let the plugin generate an HTML file for you, supply
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your own template using `lodash` templates or use your own loader.
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<h2 align="center">Sponsors</h2>
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<a href="https://opencollective.com/html-webpack-plugin/sponsor/0/website" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/sponsor/0/avatar.svg"></a>
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<a href="https://opencollective.com/html-webpack-plugin/sponsor/1/website" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/sponsor/1/avatar.svg"></a>
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<a href="https://opencollective.com/html-webpack-plugin/sponsor/2/website" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/sponsor/2/avatar.svg"></a>
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<a href="https://opencollective.com/html-webpack-plugin/sponsor/3/website" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/sponsor/3/avatar.svg"></a>
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<a href="https://opencollective.com/html-webpack-plugin/sponsor/4/website" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/sponsor/4/avatar.svg"></a>
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<a href="https://opencollective.com/html-webpack-plugin/sponsor/5/website" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/sponsor/5/avatar.svg"></a>
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<a href="https://opencollective.com/html-webpack-plugin/sponsor/6/website" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/sponsor/6/avatar.svg"></a>
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<a href="https://opencollective.com/html-webpack-plugin/sponsor/7/website" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/sponsor/7/avatar.svg"></a>
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<a href="https://opencollective.com/html-webpack-plugin/sponsor/8/website" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/sponsor/8/avatar.svg"></a>
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<a href="https://opencollective.com/html-webpack-plugin/sponsor/9/website" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/sponsor/9/avatar.svg"></a>
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Thanks for supporting the ongoing improvements to the html-webpack-plugin!
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<h2 align="center">Zero Config</h2>
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The `html-webpack-plugin` works without configuration.
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It's a great addition to the [⚙️ webpack-config-plugins](https://github.com/namics/webpack-config-plugins/blob/master/README.md#zero-config-webpack-dev-server-example).
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<h2 align="center">Plugins</h2>
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The `html-webpack-plugin` provides [hooks](https://github.com/jantimon/html-webpack-plugin#events) to extend it to your needs. There are already some really powerful plugins which can be integrated with zero configuration
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* [webpack-subresource-integrity](https://www.npmjs.com/package/webpack-subresource-integrity) for enhanced asset security
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* [appcache-webpack-plugin](https://github.com/lettertwo/appcache-webpack-plugin) for iOS and Android offline usage
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* [favicons-webpack-plugin](https://github.com/jantimon/favicons-webpack-plugin) which generates favicons and icons for iOS, Android and desktop browsers
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* [html-webpack-harddisk-plugin](https://github.com/jantimon/html-webpack-harddisk-plugin) can be used to always write to disk the html file, useful when webpack-dev-server / HMR are being used
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* [html-webpack-inline-svg-plugin](https://github.com/thegc/html-webpack-inline-svg-plugin) to inline SVGs in the resulting HTML file.
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* [html-webpack-exclude-assets-plugin](https://github.com/jamesjieye/html-webpack-exclude-assets-plugin) for excluding assets using regular expressions
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* [html-webpack-include-assets-plugin](https://github.com/jharris4/html-webpack-include-assets-plugin) for including lists of js or css file paths (such as those copied by the copy-webpack-plugin).
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* [html-webpack-injector](https://github.com/thearchitgarg/html-webpack-injector) to inject chunks in `head` or `body` (different locations ) of same html document.
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* [resource-hints-webpack-plugin](https://github.com/jantimon/resource-hints-webpack-plugin) to add resource hints for faster initial page loads using `<link rel='preload'>` and `<link rel='prefetch'>`
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* [link-media-html-webpack-plugin](https://github.com/yaycmyk/link-media-html-webpack-plugin) allows for injected stylesheet `<link />` tags to have their media attribute set automatically; useful for providing specific desktop/mobile/print etc. stylesheets that the browser will conditionally download
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* [html-webpack-inline-style-plugin](https://github.com/djaax/html-webpack-inline-style-plugin) for inlining styles to HTML elements using [juice](https://github.com/Automattic/juice). Useful for email generation automatisation.
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* [html-webpack-exclude-empty-assets-plugin](https://github.com/KnisterPeter/html-webpack-exclude-empty-assets-plugin) removes empty assets from being added to the html. This fixes some problems with extract-text-plugin with webpack 4.
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* [webpack-concat-plugin](https://github.com/hxlniada/webpack-concat-plugin) for concat and uglify files that needn't to be webpack bundles(for legacy files) and inject to html-webpack-plugin.
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* [html-webpack-link-type-plugin](https://github.com/steadyapp/html-webpack-link-type-plugin) adds a configurable mimetype to resources injected as links (such as adding type="text/css" to external stylesheets) for compatibility with "strict mode".
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* [csp-html-webpack-plugin](https://github.com/slackhq/csp-html-webpack-plugin) to add [Content Security Policy](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy) meta tags to the HTML output
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* [strict-csp-html-webpack-plugin](https://github.com/google/strict-csp/tree/main/strict-csp-html-webpack-plugin) to add a [**strict** Content-Security-Policy (CSP)](https://web.dev) as a `meta` tag to the HTML output. A strict CSP is specifically efficient against XSS attacks.
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* [webpack-nomodule-plugin](https://github.com/swimmadude66/webpack-nomodule-plugin) allows you to add a `nomodule` attribute to specific injected scripts, which prevents the scripts from being loaded by newer browsers. Good for limiting loads of polyfills.
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* [html-webpack-skip-assets-plugin](https://github.com/swimmadude66/html-webpack-skip-assets-plugin) Skip adding certain output files to the html file. Built as a drop-in replacement for [html-webpack-exclude-assets-plugin](https://www.npmjs.com/package/html-webpack-exclude-assets-plugin) and works with newer [html-webpack-plugin](https://github.com/jantimon/html-webpack-plugin) versions
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* [html-webpack-inject-preload](https://github.com/principalstudio/html-webpack-inject-preload) allows to add preload links <link rel='preload'> anywhere you want.
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* [inject-body-webpack-plugin](https://github.com/Jaid/inject-body-webpack-plugin) is a simple method of injecting a custom HTML string into the body.
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* [html-webpack-plugin-django](https://github.com/TommasoAmici/html-webpack-plugin-django) a Webpack plugin to inject Django static tags.
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* [html-webpack-inject-attributes-plugin](https://github.com/dyw934854565/html-webpack-inject-attributes-plugin) add extra attributes to inject assetTags.
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* [js-entry-webpack-plugin](https://github.com/liam61/html-webpack-plugin) creates webpack bundles into your js entry
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<h2 align="center">Usage</h2>
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The plugin will generate an HTML5 file for you that includes all your `webpack`
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bundles in the head using `script` tags. Just add the plugin to your `webpack`
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config as follows:
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**webpack.config.js**
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```js
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const HtmlWebpackPlugin = require('html-webpack-plugin')
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module.exports = {
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entry: 'index.js',
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output: {
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path: __dirname + '/dist',
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filename: 'index_bundle.js'
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},
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plugins: [
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new HtmlWebpackPlugin()
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]
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}
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```
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This will generate a file `dist/index.html` containing the following
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```html
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Webpack App</title>
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<script defer src="index_bundle.js"></script>
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</head>
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<body>
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</body>
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</html>
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```
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If you have multiple `webpack` entry points, they will all be included with `script` tags in the generated HTML.
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If you have any CSS assets in webpack's output (for example, CSS extracted with the [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin))
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then these will be included with `<link>` tags in the HTML head.
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If you have plugins that make use of it, `html-webpack-plugin` should be ordered first before any of the integrated Plugins.
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<h2 align="center">Options</h2>
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You can pass a hash of configuration options to `html-webpack-plugin`.
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Allowed values are as follows:
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|Name|Type|Default|Description|
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|:--:|:--:|:-----:|:----------|
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|**`title`**|`{String}`|`Webpack App`|The title to use for the generated HTML document|
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|**`filename`**|`{String\|Function}`|`'index.html'`|The file to write the HTML to. Defaults to `index.html`. You can specify a subdirectory here too (eg: `assets/admin.html`). The `[name]` placeholder will be replaced with the entry name. Can also be a function e.g. `(entryName) => entryName + '.html'`. |
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|**`template`**|`{String}`|``|`webpack` relative or absolute path to the template. By default it will use `src/index.ejs` if it exists. Please see the [docs](https://github.com/jantimon/html-webpack-plugin/blob/master/docs/template-option.md) for details|
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|**`templateContent`**|`{string\|Function\|false}`|false| Can be used instead of `template` to provide an inline template - please read the [Writing Your Own Templates](https://github.com/jantimon/html-webpack-plugin#writing-your-own-templates) section |
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|**`templateParameters`**|`{Boolean\|Object\|Function}`| `false`| Allows to overwrite the parameters used in the template - see [example](https://github.com/jantimon/html-webpack-plugin/tree/master/examples/template-parameters) |
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|**`inject`**|`{Boolean\|String}`|`true`|`true \|\| 'head' \|\| 'body' \|\| false` Inject all assets into the given `template` or `templateContent`. When passing `'body'` all javascript resources will be placed at the bottom of the body element. `'head'` will place the scripts in the head element. Passing `true` will add it to the head/body depending on the `scriptLoading` option. Passing `false` will disable automatic injections. - see the [inject:false example](https://github.com/jantimon/html-webpack-plugin/tree/master/examples/custom-insertion-position)|
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|**`publicPath`**|`{String\|'auto'}`|`'auto'`|The publicPath used for script and link tags|
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|**`scriptLoading`**|`{'blocking'\|'defer'\|'module'\|'systemjs-module'}`|`'defer'`| Modern browsers support non blocking javascript loading (`'defer'`) to improve the page startup performance. Setting to `'module'` adds attribute [`type="module"`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules#applying_the_module_to_your_html). This also implies "defer", since modules are automatically deferred. |
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|**`favicon`**|`{String}`|``|Adds the given favicon path to the output HTML|
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|**`meta`**|`{Object}`|`{}`|Allows to inject `meta`-tags. E.g. `meta: {viewport: 'width=device-width, initial-scale=1, shrink-to-fit=no'}`|
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|**`base`**|`{Object\|String\|false}`|`false`|Inject a [`base`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base) tag. E.g. `base: "https://example.com/path/page.html`|
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|**`minify`**|`{Boolean\|Object}`|`true` if `mode` is `'production'`, otherwise `false`|Controls if and in what ways the output should be minified. See [minification](#minification) below for more details.|
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|**`hash`**|`{Boolean}`|`false`|If `true` then append a unique `webpack` compilation hash to all included scripts and CSS files (i.e. `main.js?hash=compilation_hash`). This is useful for cache busting|
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|**`cache`**|`{Boolean}`|`true`|Emit the file only if it was changed|
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|**`showErrors`**|`{Boolean}`|`true`|Errors details will be written into the HTML page|
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|**`chunks`**|`{?}`|`?`|Allows you to add only some chunks (e.g only the unit-test chunk)|
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|**`chunksSortMode`**|`{String\|Function}`|`auto`|Allows to control how chunks should be sorted before they are included to the HTML. Allowed values are `'none' \| 'auto' \| 'manual' \| {Function}`|
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|**`excludeChunks`**|`{Array.<string>}`|``|Allows you to skip some chunks (e.g don't add the unit-test chunk)|
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|**`xhtml`**|`{Boolean}`|`false`|If `true` render the `link` tags as self-closing (XHTML compliant)|
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Here's an example webpack config illustrating how to use these options
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**webpack.config.js**
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```js
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{
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entry: 'index.js',
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output: {
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path: __dirname + '/dist',
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filename: 'index_bundle.js'
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},
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plugins: [
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new HtmlWebpackPlugin({
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title: 'My App',
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filename: 'assets/admin.html'
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})
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]
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}
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```
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### Generating Multiple HTML Files
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To generate more than one HTML file, declare the plugin more than
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once in your plugins array
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**webpack.config.js**
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```js
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{
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entry: 'index.js',
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output: {
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path: __dirname + '/dist',
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filename: 'index_bundle.js'
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},
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plugins: [
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new HtmlWebpackPlugin(), // Generates default index.html
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new HtmlWebpackPlugin({ // Also generate a test.html
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filename: 'test.html',
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template: 'src/assets/test.html'
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})
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]
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}
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```
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### Writing Your Own Templates
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If the default generated HTML doesn't meet your needs you can supply
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your own template. The easiest way is to use the `template` option and pass a custom HTML file.
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The html-webpack-plugin will automatically inject all necessary CSS, JS, manifest
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and favicon files into the markup.
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Details of other template loaders are [documented here](https://github.com/jantimon/html-webpack-plugin/blob/master/docs/template-option.md).
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```js
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plugins: [
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new HtmlWebpackPlugin({
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title: 'Custom template',
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// Load a custom template (lodash by default)
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template: 'index.html'
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})
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]
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```
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**index.html**
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```html
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8"/>
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<title><%= htmlWebpackPlugin.options.title %></title>
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</head>
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<body>
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</body>
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</html>
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```
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If you already have a template loader, you can use it to parse the template.
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Please note that this will also happen if you specify the html-loader and use `.html` file as template.
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**webpack.config.js**
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```js
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module: {
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loaders: [
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{ test: /\.hbs$/, loader: "handlebars-loader" }
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]
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},
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plugins: [
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new HtmlWebpackPlugin({
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title: 'Custom template using Handlebars',
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template: 'index.hbs'
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})
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]
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```
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You can use the `lodash` syntax out of the box. If the `inject` feature doesn't fit your needs and you want full control over the asset placement use the [default template](https://github.com/jaketrent/html-webpack-template/blob/86f285d5c790a6c15263f5cc50fd666d51f974fd/index.html) of the [html-webpack-template project](https://github.com/jaketrent/html-webpack-template) as a starting point for writing your own.
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The following variables are available in the template by default (you can extend them using the `templateParameters` option):
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- `htmlWebpackPlugin`: data specific to this plugin
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- `htmlWebpackPlugin.options`: the options hash that was passed to
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the plugin. In addition to the options actually used by this plugin,
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you can use this hash to pass arbitrary data through to your template.
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- `htmlWebpackPlugin.tags`: the prepared `headTags` and `bodyTags` Array to render the `<base>`, `<meta>`, `<script>` and `<link>` tags.
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Can be used directly in templates and literals. For example:
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```html
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<html>
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<head>
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<%= htmlWebpackPlugin.tags.headTags %>
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</head>
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<body>
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<%= htmlWebpackPlugin.tags.bodyTags %>
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</body>
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</html>
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```
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- `htmlWebpackPlugin.files`: direct access to the files used during the compilation.
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```typescript
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publicPath: string;
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js: string[];
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css: string[];
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manifest?: string;
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favicon?: string;
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```
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- `webpackConfig`: the webpack configuration that was used for this compilation. This
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can be used, for example, to get the `publicPath` (`webpackConfig.output.publicPath`).
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- `compilation`: the webpack [compilation object](https://webpack.js.org/api/compilation-object/).
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This can be used, for example, to get the contents of processed assets and inline them
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directly in the page, through `compilation.assets[...].source()`
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(see [the inline template example](examples/inline/template.pug)).
|
||
|
|
||
|
|
||
|
The template can also be directly inlined directly into the options object.
|
||
|
⚠️ **`templateContent` does not allow to use webpack loaders for your template and will not watch for template file changes**
|
||
|
|
||
|
**webpack.config.js**
|
||
|
```js
|
||
|
new HtmlWebpackPlugin({
|
||
|
templateContent: `
|
||
|
<html>
|
||
|
<body>
|
||
|
<h1>Hello World</h1>
|
||
|
</body>
|
||
|
</html>
|
||
|
`
|
||
|
})
|
||
|
```
|
||
|
|
||
|
The `templateContent` can also access all `templateParameters` values.
|
||
|
⚠️ **`templateContent` does not allow to use webpack loaders for your template and will not watch for template file changes**
|
||
|
|
||
|
**webpack.config.js**
|
||
|
```js
|
||
|
new HtmlWebpackPlugin({
|
||
|
inject: false,
|
||
|
templateContent: ({htmlWebpackPlugin}) => `
|
||
|
<html>
|
||
|
<head>
|
||
|
${htmlWebpackPlugin.tags.headTags}
|
||
|
</head>
|
||
|
<body>
|
||
|
<h1>Hello World</h1>
|
||
|
${htmlWebpackPlugin.tags.bodyTags}
|
||
|
</body>
|
||
|
</html>
|
||
|
`
|
||
|
})
|
||
|
```
|
||
|
|
||
|
### Filtering Chunks
|
||
|
|
||
|
To include only certain chunks you can limit the chunks being used
|
||
|
|
||
|
**webpack.config.js**
|
||
|
```js
|
||
|
plugins: [
|
||
|
new HtmlWebpackPlugin({
|
||
|
chunks: ['app']
|
||
|
})
|
||
|
]
|
||
|
```
|
||
|
|
||
|
It is also possible to exclude certain chunks by setting the `excludeChunks` option
|
||
|
|
||
|
**webpack.config.js**
|
||
|
```js
|
||
|
plugins: [
|
||
|
new HtmlWebpackPlugin({
|
||
|
excludeChunks: [ 'dev-helper' ]
|
||
|
})
|
||
|
]
|
||
|
```
|
||
|
|
||
|
### Minification
|
||
|
|
||
|
If the `minify` option is set to `true` (the default when webpack's `mode` is `'production'`),
|
||
|
the generated HTML will be minified using [html-minifier-terser](https://github.com/DanielRuf/html-minifier-terser)
|
||
|
and the following options:
|
||
|
|
||
|
```js
|
||
|
{
|
||
|
collapseWhitespace: true,
|
||
|
keepClosingSlash: true,
|
||
|
removeComments: true,
|
||
|
removeRedundantAttributes: true,
|
||
|
removeScriptTypeAttributes: true,
|
||
|
removeStyleLinkTypeAttributes: true,
|
||
|
useShortDoctype: true
|
||
|
}
|
||
|
```
|
||
|
|
||
|
To use custom [html-minifier options](https://github.com/DanielRuf/html-minifier-terser#options-quick-reference)
|
||
|
pass an object to `minify` instead. This object will not be merged with the defaults above.
|
||
|
|
||
|
To disable minification during production mode set the `minify` option to `false`.
|
||
|
|
||
|
### Meta Tags
|
||
|
|
||
|
If the `meta` option is set the html-webpack-plugin will inject meta tags.
|
||
|
For the default template the html-webpack-plugin will already provide a default for the `viewport` meta tag.
|
||
|
|
||
|
Please take a look at this well maintained list of almost all [possible meta tags](https://github.com/joshbuchea/HEAD#meta).
|
||
|
|
||
|
#### name/content meta tags
|
||
|
|
||
|
Most meta tags are configured by setting a `name` and a `content` attribute.
|
||
|
To add those use a key/value pair:
|
||
|
|
||
|
**webpack.config.js**
|
||
|
```js
|
||
|
plugins: [
|
||
|
new HtmlWebpackPlugin({
|
||
|
'meta': {
|
||
|
'viewport': 'width=device-width, initial-scale=1, shrink-to-fit=no',
|
||
|
// Will generate: <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
|
||
|
'theme-color': '#4285f4'
|
||
|
// Will generate: <meta name="theme-color" content="#4285f4">
|
||
|
}
|
||
|
})
|
||
|
]
|
||
|
```
|
||
|
|
||
|
#### Simulate http response headers
|
||
|
|
||
|
The **http-equiv** attribute is essentially used to simulate a HTTP response header.
|
||
|
This format is supported using an object notation which allows you to add any attribute:
|
||
|
|
||
|
**webpack.config.js**
|
||
|
```js
|
||
|
plugins: [
|
||
|
new HtmlWebpackPlugin({
|
||
|
'meta': {
|
||
|
'Content-Security-Policy': { 'http-equiv': 'Content-Security-Policy', 'content': 'default-src https:' },
|
||
|
// Will generate: <meta http-equiv="Content-Security-Policy" content="default-src https:">
|
||
|
// Which equals to the following http header: `Content-Security-Policy: default-src https:`
|
||
|
'set-cookie': { 'http-equiv': 'set-cookie', content: 'name=value; expires=date; path=url' },
|
||
|
// Will generate: <meta http-equiv="set-cookie" content="value; expires=date; path=url">
|
||
|
// Which equals to the following http header: `set-cookie: value; expires=date; path=url`
|
||
|
}
|
||
|
})
|
||
|
]
|
||
|
```
|
||
|
|
||
|
### Base Tag
|
||
|
|
||
|
When the `base` option is used,
|
||
|
html-webpack-plugin will inject a [base tag](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base).
|
||
|
By default, a base tag will not be injected.
|
||
|
|
||
|
The following two are identical and will both insert `<base href="http://example.com/some/page.html">`:
|
||
|
|
||
|
```js
|
||
|
new HtmlWebpackPlugin({
|
||
|
'base': 'http://example.com/some/page.html'
|
||
|
})
|
||
|
```
|
||
|
|
||
|
```js
|
||
|
new HtmlWebpackPlugin({
|
||
|
'base': { 'href': 'http://example.com/some/page.html' }
|
||
|
})
|
||
|
```
|
||
|
|
||
|
The `target` can be specified with the corresponding key:
|
||
|
|
||
|
```js
|
||
|
new HtmlWebpackPlugin({
|
||
|
'base': {
|
||
|
'href': 'http://example.com/some/page.html',
|
||
|
'target': '_blank'
|
||
|
}
|
||
|
})
|
||
|
```
|
||
|
|
||
|
which will inject the element `<base href="http://example.com/some/page.html" target="_blank">`.
|
||
|
|
||
|
### Long Term Caching
|
||
|
|
||
|
For long term caching add `contenthash` to the filename.
|
||
|
|
||
|
**Example:**
|
||
|
|
||
|
```js
|
||
|
plugins: [
|
||
|
new HtmlWebpackPlugin({
|
||
|
filename: 'index.[contenthash].html'
|
||
|
})
|
||
|
]
|
||
|
```
|
||
|
|
||
|
`contenthash` is the hash of the content of the output file.
|
||
|
|
||
|
Refer webpack's [Template Strings](https://webpack.js.org/configuration/output/#template-strings) for more details
|
||
|
|
||
|
### Events
|
||
|
|
||
|
To allow other [plugins](https://github.com/webpack/docs/wiki/plugins) to alter the HTML this plugin executes
|
||
|
[tapable](https://github.com/webpack/tapable/tree/master) hooks.
|
||
|
|
||
|
The [lib/hooks.js](https://github.com/jantimon/html-webpack-plugin/blob/master/lib/hooks.js) contains all information
|
||
|
about which values are passed.
|
||
|
|
||
|
[![Concept flow uml](https://raw.githubusercontent.com/jantimon/html-webpack-plugin/master/flow.png)](https://github.com/jantimon/html-webpack-plugin/blob/master/flow.puml)
|
||
|
|
||
|
#### `beforeAssetTagGeneration` hook
|
||
|
|
||
|
```
|
||
|
AsyncSeriesWaterfallHook<{
|
||
|
assets: {
|
||
|
publicPath: string,
|
||
|
js: Array<{string}>,
|
||
|
css: Array<{string}>,
|
||
|
favicon?: string | undefined,
|
||
|
manifest?: string | undefined
|
||
|
},
|
||
|
outputName: string,
|
||
|
plugin: HtmlWebpackPlugin
|
||
|
}>
|
||
|
```
|
||
|
|
||
|
#### `alterAssetTags` hook
|
||
|
|
||
|
```
|
||
|
AsyncSeriesWaterfallHook<{
|
||
|
assetTags: {
|
||
|
scripts: Array<HtmlTagObject>,
|
||
|
styles: Array<HtmlTagObject>,
|
||
|
meta: Array<HtmlTagObject>,
|
||
|
},
|
||
|
publicPath: string,
|
||
|
outputName: string,
|
||
|
plugin: HtmlWebpackPlugin
|
||
|
}>
|
||
|
```
|
||
|
|
||
|
#### `alterAssetTagGroups` hook
|
||
|
|
||
|
```
|
||
|
AsyncSeriesWaterfallHook<{
|
||
|
headTags: Array<HtmlTagObject | HtmlTagObject>,
|
||
|
bodyTags: Array<HtmlTagObject | HtmlTagObject>,
|
||
|
publicPath: string,
|
||
|
outputName: string,
|
||
|
plugin: HtmlWebpackPlugin
|
||
|
}>
|
||
|
```
|
||
|
|
||
|
#### `afterTemplateExecution` hook
|
||
|
|
||
|
```
|
||
|
AsyncSeriesWaterfallHook<{
|
||
|
html: string,
|
||
|
headTags: Array<HtmlTagObject | HtmlTagObject>,
|
||
|
bodyTags: Array<HtmlTagObject | HtmlTagObject>,
|
||
|
outputName: string,
|
||
|
plugin: HtmlWebpackPlugin,
|
||
|
}>
|
||
|
```
|
||
|
|
||
|
#### `beforeEmit` hook
|
||
|
|
||
|
```
|
||
|
AsyncSeriesWaterfallHook<{
|
||
|
html: string,
|
||
|
outputName: string,
|
||
|
plugin: HtmlWebpackPlugin,
|
||
|
}>
|
||
|
```
|
||
|
|
||
|
#### `afterEmit` hook
|
||
|
|
||
|
```
|
||
|
AsyncSeriesWaterfallHook<{
|
||
|
outputName: string,
|
||
|
plugin: HtmlWebpackPlugin
|
||
|
}>
|
||
|
```
|
||
|
|
||
|
Example implementation: [webpack-subresource-integrity](https://www.npmjs.com/package/webpack-subresource-integrity)
|
||
|
|
||
|
**plugin.js**
|
||
|
```js
|
||
|
// If your plugin is direct dependent to the html webpack plugin:
|
||
|
const HtmlWebpackPlugin = require('html-webpack-plugin');
|
||
|
// If your plugin is using html-webpack-plugin as an optional dependency
|
||
|
// you can use https://github.com/tallesl/node-safe-require instead:
|
||
|
const HtmlWebpackPlugin = require('safe-require')('html-webpack-plugin');
|
||
|
|
||
|
class MyPlugin {
|
||
|
apply (compiler) {
|
||
|
compiler.hooks.compilation.tap('MyPlugin', (compilation) => {
|
||
|
console.log('The compiler is starting a new compilation...')
|
||
|
|
||
|
// Static Plugin interface |compilation |HOOK NAME | register listener
|
||
|
HtmlWebpackPlugin.getHooks(compilation).beforeEmit.tapAsync(
|
||
|
'MyPlugin', // <-- Set a meaningful name here for stacktraces
|
||
|
(data, cb) => {
|
||
|
// Manipulate the content
|
||
|
data.html += 'The Magic Footer'
|
||
|
// Tell webpack to move on
|
||
|
cb(null, data)
|
||
|
}
|
||
|
)
|
||
|
})
|
||
|
}
|
||
|
}
|
||
|
|
||
|
module.exports = MyPlugin
|
||
|
```
|
||
|
|
||
|
**webpack.config.js**
|
||
|
```js
|
||
|
plugins: [
|
||
|
new MyPlugin({ options: '' })
|
||
|
]
|
||
|
```
|
||
|
|
||
|
Note that the callback must be passed the HtmlWebpackPluginData in order to pass this onto any other plugins listening on the same `beforeEmit` event
|
||
|
|
||
|
<h2 align="center">Maintainers</h2>
|
||
|
|
||
|
<table>
|
||
|
<tbody>
|
||
|
<tr>
|
||
|
<td align="center">
|
||
|
<img width="150" height="150"
|
||
|
src="https://avatars3.githubusercontent.com/u/4113649?v=3&s=150">
|
||
|
</br>
|
||
|
<a href="https://github.com/jantimon">Jan Nicklas</a>
|
||
|
</td>
|
||
|
<td align="center">
|
||
|
<img width="150" height="150"
|
||
|
src="https://avatars2.githubusercontent.com/u/4112409?v=3&s=150">
|
||
|
</br>
|
||
|
<a href="https://github.com/mastilver">Thomas Sileghem</a>
|
||
|
</td>
|
||
|
</tr>
|
||
|
<tbody>
|
||
|
</table>
|
||
|
|
||
|
|
||
|
## Backers
|
||
|
|
||
|
Thank you to all our backers!
|
||
|
If you want to support the project as well [become a sponsor](https://opencollective.com/html-webpack-plugin#sponsor) or a [a backer](https://opencollective.com/html-webpack-plugin#backer).
|
||
|
|
||
|
<a href="https://opencollective.com/html-webpack-plugin/backer/0/website?requireActive=false" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/backer/0/avatar.svg?requireActive=false"></a>
|
||
|
<a href="https://opencollective.com/html-webpack-plugin/backer/1/website?requireActive=false" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/backer/1/avatar.svg?requireActive=false"></a>
|
||
|
<a href="https://opencollective.com/html-webpack-plugin/backer/2/website?requireActive=false" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/backer/2/avatar.svg?requireActive=false"></a>
|
||
|
<a href="https://opencollective.com/html-webpack-plugin/backer/3/website?requireActive=false" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/backer/3/avatar.svg?requireActive=false"></a>
|
||
|
<a href="https://opencollective.com/html-webpack-plugin/backer/4/website?requireActive=false" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/backer/4/avatar.svg?requireActive=false"></a>
|
||
|
<a href="https://opencollective.com/html-webpack-plugin/backer/5/website?requireActive=false" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/backer/5/avatar.svg?requireActive=false"></a>
|
||
|
<a href="https://opencollective.com/html-webpack-plugin/backer/6/website?requireActive=false" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/backer/6/avatar.svg?requireActive=false"></a>
|
||
|
<a href="https://opencollective.com/html-webpack-plugin/backer/7/website?requireActive=false" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/backer/7/avatar.svg?requireActive=false"></a>
|
||
|
<a href="https://opencollective.com/html-webpack-plugin/backer/8/website?requireActive=false" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/backer/8/avatar.svg?requireActive=false"></a>
|
||
|
<a href="https://opencollective.com/html-webpack-plugin/backer/9/website?requireActive=false" target="_blank"><img src="https://opencollective.com/html-webpack-plugin/backer/9/avatar.svg?requireActive=false"></a>
|
||
|
|
||
|
|
||
|
## Contributors
|
||
|
|
||
|
This project exists thanks to all the people who contribute.
|
||
|
|
||
|
You're free to contribute to this project by submitting [issues](https://github.com/jantimon/html-webpack-plugin/issues) and/or [pull requests](https://github.com/jantimon/html-webpack-plugin/pulls). This project is test-driven, so keep in mind that every change and new feature should be covered by tests.
|
||
|
|
||
|
This project uses the [semistandard code style](https://github.com/Flet/semistandard).
|
||
|
|
||
|
<a href="https://github.com/jantimon/html-webpack-plugin/graphs/contributors"><img src="https://opencollective.com/html-webpack-plugin/contributors.svg?width=890&button=false" /></a>
|
||
|
|
||
|
|
||
|
[npm]: https://img.shields.io/npm/v/html-webpack-plugin.svg
|
||
|
[npm-url]: https://npmjs.com/package/html-webpack-plugin
|
||
|
|
||
|
[node]: https://img.shields.io/node/v/html-webpack-plugin.svg
|
||
|
[node-url]: https://nodejs.org
|
||
|
|
||
|
[tests]: https://github.com/jantimon/html-webpack-plugin/workflows/CI/badge.svg
|
||
|
[tests-url]: https://github.com/jantimon/html-webpack-plugin/actions?query=workflow%3ACI
|