{"id":35474667,"url":"https://github.com/rstackjs/rsbuild-plugin-css-minimizer","last_synced_at":"2026-04-12T03:11:31.938Z","repository":{"id":247253561,"uuid":"824090042","full_name":"rstackjs/rsbuild-plugin-css-minimizer","owner":"rstackjs","description":"An Rsbuild to customize the CSS minimizer, switch to cssnano or other tools for CSS 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unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["rsbuild","rsbuild-plugin","rspack"],"created_at":"2026-01-03T12:00:40.055Z","updated_at":"2026-04-12T03:11:31.922Z","avatar_url":"https://github.com/rstackjs.png","language":"TypeScript","readme":"# @rsbuild/plugin-css-minimizer\n\nAn Rsbuild to customize the CSS minimizer, switch to [cssnano](https://github.com/cssnano/cssnano) or other tools for CSS compression.\n\n`@rsbuild/plugin-css-minimizer` internally integrates [css-minimizer-webpack-plugin](https://github.com/webpack-contrib/css-minimizer-webpack-plugin).\n\n\u003cp\u003e\n  \u003ca href=\"https://npmjs.com/package/@rsbuild/plugin-css-minimizer\"\u003e\n   \u003cimg src=\"https://img.shields.io/npm/v/@rsbuild/plugin-css-minimizer?style=flat-square\u0026colorA=564341\u0026colorB=EDED91\" alt=\"npm version\" /\u003e\n  \u003c/a\u003e\n  \u003cimg src=\"https://img.shields.io/badge/License-MIT-blue.svg?style=flat-square\u0026colorA=564341\u0026colorB=EDED91\" alt=\"license\" /\u003e\n  \u003ca href=\"https://npmcharts.com/compare/@rsbuild/plugin-css-minimizer?minimal=true\"\u003e\u003cimg src=\"https://img.shields.io/npm/dm/@rsbuild/plugin-css-minimizer.svg?style=flat-square\u0026colorA=564341\u0026colorB=EDED91\" alt=\"downloads\" /\u003e\u003c/a\u003e\n\u003c/p\u003e\n\n## Usage\n\nInstall:\n\n```bash\nnpm add @rsbuild/plugin-css-minimizer -D\n```\n\nAdd plugin to your `rsbuild.config.ts`:\n\n```ts\n// rsbuild.config.ts\nimport { pluginCssMinimizer } from '@rsbuild/plugin-css-minimizer';\n\nexport default {\n  plugins: [pluginCssMinimizer()],\n};\n```\n\n## Options\n\n### pluginOptions\n\nUsed to customize the options of css-minimizer-webpack-plugin.\n\nThe value of `pluginOptions` will be merged with the default options inside the plugin using `Object.assign` and then passed to the css-minimizer-webpack-plugin. You can refer to the [README documentation](https://github.com/webpack-contrib/css-minimizer-webpack-plugin) of css-minimizer-webpack-plugin to explore all available options.\n\n- **Type:** `Object | Function | undefined`\n- **Default:**\n\n```ts\nconst defaultOptions = {\n  minify: CssMinimizerWebpackPlugin.cssnanoMinify,\n  minimizerOptions: {\n    preset: [\n      'default',\n      {\n        mergeLonghand: false,\n      },\n    ],\n  },\n};\n```\n\n- **Example 1:** modify the `preset` configuration of [cssnano](https://github.com/cssnano/cssnano).\n\n```js\npluginCssMinimizer({\n  pluginOptions: {\n    minimizerOptions: {\n      preset: require.resolve('cssnano-preset-simple'),\n    },\n  },\n});\n```\n\n- **Example 2:** pass a function to modify the default options.\n\n```js\npluginCssMinimizer({\n  pluginOptions: (options) =\u003e {\n    options.minimizerOptions = {\n      preset: require.resolve('cssnano-preset-simple'),\n    };\n  },\n});\n```\n\n- **Example 3:** Switch to other tools for CSS minification.\n\n```js\nimport {\n  pluginCssMinimizer,\n  CssMinimizerWebpackPlugin,\n} from '@rsbuild/plugin-css-minimizer';\n\npluginCssMinimizer({\n  pluginOptions: {\n    minify: CssMinimizerWebpackPlugin.cleanCssMinify,\n    minimizerOptions: {\n      level: {\n        1: {\n          roundingPrecision: \"all=3,px=5\",\n        },\n      },\n    },\n  },\n}),\n```\n\n## License\n\n[MIT](./LICENSE).\n","funding_links":[],"categories":["Plugins"],"sub_categories":["Rsbuild Plugins"],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Frstackjs%2Frsbuild-plugin-css-minimizer","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Frstackjs%2Frsbuild-plugin-css-minimizer","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Frstackjs%2Frsbuild-plugin-css-minimizer/lists"}