svelte-preprocess-html-asset

Transform html asset relative path. It works with vite, snowpack & webpack 5.

e.g.

before:

<img src="foo.png">

after:

<img src="{new URL('foo.png', import.meta.url).href}">

Usage

svelte.config.js:

const preprocessHtmlAsset = require('svelte-preprocess-html-asset');

module.exports = {
  preprocess: [
    preprocessHtmlAsset()
  ]
};

Options

preprocessHtmlAsset({ rules, filter })

rules

Array. Add custom rules. Build-in rules:

const defaultRules = [
  {
    tag: 'img',
    attribute: 'src',
    type: 'src'
  },

  {
    tag: 'img',
    attribute: 'srcset',
    type: 'srcset'
  },

  {
    tag: 'input',
    attribute: 'src',
    type: 'src'
  },

  {
    tag: 'audio',
    attribute: 'src',
    type: 'src'
  },

  {
    tag: 'video',
    attribute: 'src',
    type: 'src'
  },

  {
    tag: 'video',
    attribute: 'poster',
    type: 'src'
  },

  {
    tag: 'source',
    attribute: 'src',
    type: 'src'
  },

  {
    tag: 'source',
    attribute: 'srcset',
    type: 'srcset'
  },

  {
    tag: 'track',
    attribute: 'src',
    type: 'src'
  },

  {
    tag: 'link',
    attribute: 'href',
    type: 'src'
  },

  {
    tag: 'object',
    attribute: 'data',
    type: 'src'
  },

  {
    tag: 'embed',
    attribute: 'src',
    type: 'src'
  }
];

filter

filter(path) -> Boolean

Filter the path. Return true to transform, or return false to skip the path.

Transform css url()

Use https://github.com/canadaduane/snowpack-plugin-relative-css-urls

License

MIT