PostCSS Color Variable

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[PostCSS] plugin color variable. Auto replace color value with corresponding variable name. Now support Less and Sass

Define color variable name file:

@link-color: #0a1;

Input:

.foo {
    color: #0a1;
    background: rgb(170, 170, 170);
    border: 1px solid rgba(170, 170, 170, 0.1);
}

Output:

.foo {
  color: @link-color;
  background: @link-color;
  border: 1px solid fade(@link-color, 10%);
}

Config

Create file .colorvarrc.json in project.

{
  "variableFiles": ["./src/color.less"], // define color variable file path
  "syntax": "less", // syntax，support less, sass. default is less
  "autoImport": "true", // if auto import variable file
  "alias": {
    "@": "./src" // equal webpack alias
  },
  "usingAlias": "@", // when auto import variable file, using alias. for example @import '~@/src/color.less'
  "singleQuote": false, // auto import if using single quote. default is false
}

Use

CLI

# install plugin 
npm install postcss-color-variable --save-dev
# auto replace by cli 
./node_modules/.bin/postcss-color-variable src/index.less
 
# set syntax by --syntax 
./node_modules/.bin/postcss-color-variable src/index.scss --syntax scss

VSCode Extension

https://marketplace.visualstudio.com/items?itemName=zengxb94.color-variable&ssr=false#overview

Use in WebStorm

WebStorm replace Less file

1. Install plugin: npm install postcss-color-variable --save-dev
2. Open Preferences -> File Watchers -> Add
3. Settings

• Name: Color Variable Less
• File type: Less Style Sheet
• Program: $ProjectFileDir$/node_modules/.bin/postcss-color-variable
• Arguments: $FilePathRelativeToProjectRoot$
• Output paths to refresh: $FilePathRelativeToProjectRoot$
• Working Directory: $ProjectFileDir$
• set Auto-save edited files to trigger watcher unchecked
• set Trigger The watcher on external changes unchecked

WebStorm replace Sass file

1. Install plugin: npm install postcss-color-variable --save-dev
2. Open Preferences -> File Watchers -> Add
3. Settings

• Name: Color Variable Sass
• File type: Sass Style Sheet
• Program: $ProjectFileDir$/node_modules/.bin/postcss-color-variable
• Arguments: $FilePathRelativeToProjectRoot$
• Output paths to refresh: $FilePathRelativeToProjectRoot$
• Working Directory: $ProjectFileDir$
• set Auto-save edited files to trigger watcher unchecked
• set Trigger The watcher on external changes unchecked