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            "value": "\n          <p>A great thing about <a href=\"https:\/\/www.oliverdavies.uk\/daily\/2023\/01\/03\/tailwind-css-extensibility-is-one-of-its-best-features\">Tailwind CSS plugins<\/a> being written in JavaScript is that they can be tested using tools like Jest.<\/p>\n\n<p>Here's an example from https:\/\/github.com\/opdavies\/tailwindcss-plugin-jest-example (it may need updating to work with the latest Tailwind versions or to use the latest best practices):<\/p>\n\n<pre><code class=\"javascript\">function run(options = {}) {\n  return postcss(\n    tailwindcss({\n      corePlugins: false,\n      plugins: [plugin(options)]\n    })\n  )\n  .process('@tailwind utilities;', {\n    from: undefined\n  })\n}\n\nexpect.extend({\n  toMatchCss: cssMatcher\n})\n\ntest('it generates the correct classes with no variants', () =&gt; {\n  const output = `\n    .test {\n      display: block\n    }\n  `\n\n  run().then(result =&gt; {\n    expect(result.css).toMatchCss(output)\n  })\n})\n\ntest('it generates the correct classes with variants', () =&gt; {\n  const output = `\n    .test {\n      display: block\n    }\n    .hover\\\\:test:hover {\n      display: block\n    }\n    .focus\\\\:test:focus {\n      display: block\n    }\n  `\n\n  run({ variants: ['hover', 'focus'] }).then(result =&gt; {\n    expect(result.css).toMatchCss(output)\n  })\n});\n<\/code><\/pre>\n\n<p>Within the test, Tailwind can be run using PostCSS and generates styles based on a provided configuration, which is then checked against some expected output. If the generated styles match what was expected, the tests pass and the plugin is working as expected.<\/p>\n\n        ",
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            "processed": "\n          <p>A great thing about <a href=\"https:\/\/www.oliverdavies.uk\/daily\/2023\/01\/03\/tailwind-css-extensibility-is-one-of-its-best-features\">Tailwind CSS plugins<\/a> being written in JavaScript is that they can be tested using tools like Jest.<\/p>\n\n<p>Here's an example from https:\/\/github.com\/opdavies\/tailwindcss-plugin-jest-example (it may need updating to work with the latest Tailwind versions or to use the latest best practices):<\/p>\n\n<pre><code class=\"javascript\">function run(options = {}) {\n  return postcss(\n    tailwindcss({\n      corePlugins: false,\n      plugins: [plugin(options)]\n    })\n  )\n  .process('@tailwind utilities;', {\n    from: undefined\n  })\n}\n\nexpect.extend({\n  toMatchCss: cssMatcher\n})\n\ntest('it generates the correct classes with no variants', () =&gt; {\n  const output = `\n    .test {\n      display: block\n    }\n  `\n\n  run().then(result =&gt; {\n    expect(result.css).toMatchCss(output)\n  })\n})\n\ntest('it generates the correct classes with variants', () =&gt; {\n  const output = `\n    .test {\n      display: block\n    }\n    .hover\\\\:test:hover {\n      display: block\n    }\n    .focus\\\\:test:focus {\n      display: block\n    }\n  `\n\n  run({ variants: ['hover', 'focus'] }).then(result =&gt; {\n    expect(result.css).toMatchCss(output)\n  })\n});\n<\/code><\/pre>\n\n<p>Within the test, Tailwind can be run using PostCSS and generates styles based on a provided configuration, which is then checked against some expected output. If the generated styles match what was expected, the tests pass and the plugin is working as expected.<\/p>\n\n        ",
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