remap-css

Remap CSS rules based on declaration value

Usage

npm i remap-css

const remapCss = require("remap-css");

const css = await remapCss([{
  css: `
    a {
      color: red;
    }
  `}
], {
  "color: red": "color: blue"
});
// a {
//   color: blue;
// }

API

`remapCss(sources, mappings, [opts])`

Returns a Promise that resolves to a CSS string.

sources: Array Array of sources
- source: Object
  - css: string A CSS string
  - prefix: string A CSS selector to be prefixed to all output rules
  - match: string A array of plain CSS selectors that prevent a prefix addition on exact match
  - name: string Optional name used in comments
mappings: Object CSS declaration value-to-value mapping. The key is either a exact match CSS declaration or a special rule starting with $. The value is the a replacement declaration or a replacement value in the case of a special rule.
options: Object
- indentSize: number Numbers of spaces to indent rules and declarations. Default: 2.
- indentCss: number Numbers of spaces to indent the output. Default: 0.
- lineLength: number Number of characters after which to wrap lines. Default: 80.
- ignoreSelectors: Array of RegExp Regular expressions of selectors to ignore. Default: [].
- comments: boolean Whether to output comments. Default: false.
- stylistic: boolean Whether to perform stylistic tweaks on selectors. Default: false.
- validate: boolean Validate properties and discard ones that fail. Default: false.
- keep: boolean Retain non-matching declarations in the output. Default: false.

These special mapping keys supported:

$border: value: Any occurance of value in a border rule.
$background: value Any occurance of value in a background rule.
$box-shadow: value Any occurance of value in a box-shadow rule.
$value: value: Any occurance of value.

On special rules, only specify the replacement value alone (not the whole declaration).

fetch-css - Extract CSS from websites and browser extensions

the-j0k3r/remap-css

remap-css

Usage

API

`remapCss(sources, mappings, [opts])`

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