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amp-custom\n\n[![License: MIT](https://img.shields.io/badge/License-MIT-green.svg)](https://opensource.org/licenses/MIT)\n[![npm version](https://badge.fury.io/js/amp-custom.svg)](https://badge.fury.io/js/amp-custom)\n[![Build Status](https://github.com/kimulaco/amp-custom/workflows/Test/badge.svg)](https://github.com/kimulaco/amp-custom/actions)\n[![Coverage Status](https://coveralls.io/repos/github/kimulaco/amp-custom/badge.svg)](https://coveralls.io/github/kimulaco/amp-custom)\n\nOptimize CSS source for AMP HTML.\n\nIf you are using PostCSS, use [postcss-amp-custom](https://github.com/kimulaco/postcss-amp-custom).\n\n## CLI\n\nRun amp-custom by CLI.\n\n```shell\nnpx amp-custom input.css output.css\n```\n\n## API\n\nInstall package.\n\n```shell\nnpm install --save-dev amp-custom\n```\n\nRun amp-custom by API.\n\n```js\nconst AmpCustom = require('amp-custom')\nconst ampCustom = new AmpCustom()\nconst cssSource = `@charset \"UTF-8\";\nbody {\n  font-size: 16px;\n}\n@page hoge {\n  size: portrait;\n  margin: 15mm;\n}\na {\n  color: #39c !important;\n  text-decoration: none;\n}\n@viewport {\n  min-width: 640px;\n  max-width: 800px;\n}\n@supports not (display: flex) {\n  .flexbox {\n    overflow: hidden;\n  }\n  .flexbox div {\n    float: left;\n  }\n}`\n\nampCustom.optimize(cssSource) // 'body{font-size:16px}a{color:#39c;text-decoration:none}'\n```\n\n### optimize(cssSource: String): String\n\nOptimize CSS for AMP.\n\n```js\nconst cssSource = `@charset \"UTF-8\";\nbody {\n  font-size: 16px;\n}\n@page hoge {\n  size: portrait;\n  margin: 15mm;\n}\na {\n  color: #39c !important;\n  text-decoration: none;\n}\n@viewport {\n  min-width: 640px;\n  max-width: 800px;\n}\n@supports not (display: flex) {\n  .flexbox {\n    overflow: hidden;\n  }\n  .flexbox div {\n    float: left;\n  }\n}`\n\nampCustom.optimize(cssSource) // 'body{font-size:16px}a{color:#39c;text-decoration:none}'\n```\n\n### isOverMaxByte(cssSource: String): Boolean\n\nCheck the CSS string size meets the AMP rules (75KB).\n\n```js\nconst cssSource = 'body{font-size:16px}a{color:#39c;text-decoration:none}'\n\nampCustom.isOverMaxByte(cssSource) // false\n```\n\n## License\n\n[MIT License](LICENSE).\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fkimulaco%2Famp-custom","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fkimulaco%2Famp-custom","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fkimulaco%2Famp-custom/lists"}