74 lines
2.2 KiB
Markdown
74 lines
2.2 KiB
Markdown
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# pug-lexer
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The pug lexer. This module is responsible for taking a string and converting it into an array of tokens.
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[](https://travis-ci.org/pugjs/pug-lexer)
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[](https://david-dm.org/pugjs/pug?path=packages/pug-lexer)
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[](https://david-dm.org/pugjs/pug?path=packages/pug-lexer&type=dev)
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[](https://www.npmjs.org/package/pug-lexer)
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[](https://codecov.io/gh/pugjs/pug-lexer)
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## Installation
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npm install pug-lexer
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## Usage
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```js
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var lex = require('pug-lexer');
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```
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### `lex(str, options)`
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Convert Pug string to an array of tokens.
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`options` can contain the following properties:
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- `filename` (string): The name of the Pug file; it is used in error handling if provided.
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- `plugins` (array): An array of plugins, in the order they should be applied.
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```js
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console.log(JSON.stringify(lex('div(data-foo="bar")', {filename: 'my-file.pug'}), null, ' '))
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```
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```json
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[
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{
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"type": "tag",
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"line": 1,
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"val": "div",
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"selfClosing": false
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},
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{
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"type": "attrs",
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"line": 1,
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"attrs": [
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{
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"name": "data-foo",
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"val": "\"bar\"",
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"escaped": true
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}
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]
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},
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{
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"type": "eos",
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"line": 1
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}
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]
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```
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### `new lex.Lexer(str, options)`
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Constructor for a Lexer class. This is not meant to be used directly unless you know what you are doing.
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`options` may contain the following properties:
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- `filename` (string): The name of the Pug file; it is used in error handling if provided.
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- `interpolated` (boolean): if the Lexer is created as a child lexer for inline tag interpolation (e.g. `#[p Hello]`). Defaults to `false`.
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- `startingLine` (integer): the real line number of the first line in the input. It is also used for inline tag interpolation. Defaults to `1`.
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- `plugins` (array): An array of plugins, in the order they should be applied.
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## License
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MIT
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