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52 lines
2.1 KiB
52 lines
2.1 KiB
4 years ago
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# css-what [](http://travis-ci.org/fb55/css-what)
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a CSS selector parser
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## Example
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```js
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require('css-what')('foo[bar]:baz')
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~> [ [ { type: 'tag', name: 'foo' },
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{ type: 'attribute',
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name: 'bar',
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action: 'exists',
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value: '',
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ignoreCase: false },
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{ type: 'pseudo',
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name: 'baz',
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data: null } ] ]
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```
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## API
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__`CSSwhat(selector, options)` - Parses `str`, with the passed `options`.__
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The function returns a two-dimensional array. The first array represents selectors separated by commas (eg. `sub1, sub2`), the second contains the relevant tokens for that selector. Possible token types are:
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name | attributes | example | output
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---- | ---------- | ------- | ------
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`tag`| `name` | `div` | `{ type: 'tag', name: 'div' }`
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`universal`| - | `*` | `{ type: 'universal' }`
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`pseudo`| `name`, `data`|`:name(data)`| `{ type: 'pseudo', name: 'name', data: 'data' }`
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`pseudo`| `name`, `data`|`:name`| `{ type: 'pseudo', name: 'name', data: null }`
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`pseudo-element`| `name` |`::name`| `{ type: 'pseudo-element', name: 'name' }`
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`attribute`|`name`, `action`, `value`, `ignoreCase`|`[attr]`|`{ type: 'attribute', name: 'attr', action: 'exists', value: '', ignoreCase: false }`
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`attribute`|`name`, `action`, `value`, `ignoreCase`|`[attr=val]`|`{ type: 'attribute', name: 'attr', action: 'equals', value: 'val', ignoreCase: false }`
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`attribute`|`name`, `action`, `value`, `ignoreCase`|`[attr^=val]`|`{ type: 'attribute', name: 'attr', action: 'start', value: 'val', ignoreCase: false }`
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`attribute`|`name`, `action`, `value`, `ignoreCase`|`[attr$=val]`|`{ type: 'attribute', name: 'attr', action: 'end', value: 'val', ignoreCase: false }`
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`child`| - | `>` | `{ type: 'child' }`
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`parent`| - | `<` | `{ type: 'parent' }`
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`sibling`| - | `~` | `{ type: 'sibling' }`
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`adjacent`| - | `+` | `{ type: 'adjacent' }`
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`descendant`| - | | `{ type: 'descendant' }`
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__Options:__
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- `xmlMode`: When enabled, tag names will be case-sensitive (meaning they won't be lowercased).
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---
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License: BSD-2-Clause
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