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inject

  • Type: 'head' | 'body' | boolean | Function
  • Default: 'head'

Set the inject position of the <script> tag.

Can be set to the following values:

  • 'head': The script tag will be inject inside the head tag.
  • 'body': The script tag is inject at the end of the body tag.
  • true: The result depends on the scriptLoading config of html-webpack-plugin.
  • false: script tags will not be injected.

Default inject position

The script tag is inside the head tag by default:

<html>
  <head>
    <title></title>
    <script defer src="/static/js/runtime-main.js"></script>
    <script defer src="/static/js/main.js"></script>
    <link href="/static/css/main.css" rel="stylesheet" />
  </head>
  <body>
    <div id="root"></div>
  </body>
</html>

Inject into body

Add the following config to inject script into the body tag:

export default {
  html: {
    inject: 'body',
  },
};

You will see that the script tag is generated at the end of the body tag:

<html>
  <head>
    <title></title>
    <link href="/static/css/main.css" rel="stylesheet" />
  </head>
  <body>
    <div id="root"></div>
    <script defer src="/static/js/runtime-main.js"></script>
    <script defer src="/static/js/main.js"></script>
  </body>
</html>

Function Usage

  • Type:
type InjectFunction = ({ value: ScriptInject; entryName: string }) => string | void;

When html.inject is of type Function, the function receives an object as its parameter, with the following properties:

  • value: the default inject configuration of Rsbuild.
  • entryName: the name of the current entry.

In the context of MPA (Multi-Page Application), you can set different inject behaviors based on the entry name:

export default {
  html: {
    inject({ entryName }) {
      return entryName === 'foo' ? 'body' : 'head';
    },
  },
};