{
  "url": "https://unifast.dev/ru/docs/packages/node/add-classes/",
  "locale": "ru",
  "title": "addClasses()",
  "description": "Добавляет CSS-классы к элементам, соответствующим CSS-селекторам.",
  "section": "packages",
  "body": "```ts\nimport { addClasses } from \"@unifast/node\";\n```\n\n## Сигнатура\n\n```ts\nfunction addClasses(rules: Record<string, string>): UnifastPlugin\n```\n\n## Параметры\n\n### rules\n\n`Record<string, string>`, где ключи — это CSS-селекторы, а значения — имена классов, разделённые пробелами, которые добавляются к соответствующим элементам. Классы объединяются с уже имеющимися классами элемента.\n\n### Поддерживаемые селекторы\n\nПоддерживается широкое подмножество CSS Selectors Level 4, в том числе:\n\n- **Селекторы тегов**: `h1`, `p`, `table`\n- **Селекторы классов**: `.info`, `.alert.warning`\n- **Селекторы ID**: `#main`\n- **Универсальный селектор**: `*`\n- **Селекторы атрибутов**: `[data-type]`, `[href^=\"https\"]`, `[href$=\".pdf\"]`, `[href*=\"example\"]`, `[class~=\"bar\"]`, `[lang|=\"en\"]`\n- **Комбинаторы**: потомок (` `), дочерний (`>`), соседний (`+`), общий родственный (`~`)\n- **Псевдоклассы**: `:first-child`, `:last-child`, `:nth-child()`, `:not()`, `:empty`\n- **Селекторы через запятую**: `h1, h2, h3`\n- **Составные селекторы**: `div.alert#main[data-type=\"warning\"]`\n\n## Использование\n\n```ts\nimport { compile, addClasses } from \"@unifast/node\";\n\nconst md = `\n# Hello World\n\nSome paragraph text.\n\n| Name | Value |\n|------|-------|\n| A    | 1     |\n`;\n\nconst result = compile(md, {\n  plugins: [\n    addClasses({\n      h1: \"text-3xl font-bold\",\n      p: \"leading-relaxed\",\n      table: \"border-collapse w-full\",\n    }),\n  ],\n});\n\n// <h1 class=\"text-3xl font-bold\">Hello World</h1>\n// <p class=\"leading-relaxed\">Some paragraph text.</p>\n// <table class=\"border-collapse w-full\">...</table>\n```\n\n## Примеры\n\n### Селекторы через запятую\n\nПрименяйте одни и те же классы к нескольким типам элементов:\n\n```ts\nimport { compile, addClasses } from \"@unifast/node\";\n\nconst result = compile(md, {\n  plugins: [\n    addClasses({\n      \"h1, h2, h3\": \"font-bold tracking-tight\",\n    }),\n  ],\n});\n```\n\n### Сложные селекторы\n\nИспользуйте комбинаторы и псевдоклассы для точного нацеливания:\n\n```ts\nimport { compile, addClasses } from \"@unifast/node\";\n\nconst result = compile(md, {\n  plugins: [\n    addClasses({\n      \"pre > code\": \"block overflow-x-auto\",\n      \"ul > li:first-child\": \"mt-0\",\n      \"ul > li:last-child\": \"mb-0\",\n      \"a[href^=\\\"https\\\"]\": \"external-link\",\n      \"div:not(.alert)\": \"default-container\",\n    }),\n  ],\n});\n```\n\n### Утилитарные классы Tailwind CSS\n\nТипичный приём — использовать `addClasses` для применения утилит Tailwind к HTML, сгенерированному из Markdown:\n\n```ts\nimport { compile, addClasses } from \"@unifast/node\";\n\nconst result = compile(md, {\n  plugins: [\n    addClasses({\n      h1: \"text-4xl font-extrabold text-gray-900 mb-8\",\n      h2: \"text-2xl font-bold text-gray-800 mt-12 mb-4\",\n      h3: \"text-xl font-semibold text-gray-700 mt-8 mb-3\",\n      p: \"text-base leading-7 text-gray-600 mb-4\",\n      a: \"text-blue-600 underline hover:text-blue-800\",\n      blockquote: \"border-l-4 border-gray-300 pl-4 italic text-gray-500\",\n      table: \"min-w-full divide-y divide-gray-200\",\n      \"thead th\": \"px-4 py-2 text-left text-sm font-semibold text-gray-900\",\n      \"tbody td\": \"px-4 py-2 text-sm text-gray-700\",\n      \"tbody tr:nth-child(2n)\": \"bg-gray-50\",\n      img: \"rounded-lg shadow-md\",\n      pre: \"rounded-lg overflow-hidden\",\n      \"pre > code\": \"block p-4 text-sm\",\n    }),\n  ],\n});\n```\n\n### Селекторы атрибутов\n\nНацеливайтесь на элементы по их атрибутам:\n\n```ts\nimport { compile, addClasses } from \"@unifast/node\";\n\nconst result = compile(md, {\n  plugins: [\n    addClasses({\n      \"[href$=\\\".pdf\\\"]\": \"pdf-link\",\n      \"[href^=\\\"https\\\"]\": \"external\",\n      \"[data-type]\": \"has-type\",\n    }),\n  ],\n});\n```",
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