README.md
1# pug-lexer
2
3The pug lexer. This module is responsible for taking a string and converting it into an array of tokens.
4
5[](https://travis-ci.org/pugjs/pug-lexer)
6[](https://david-dm.org/pugjs/pug?path=packages/pug-lexer)
7[](https://david-dm.org/pugjs/pug?path=packages/pug-lexer&type=dev)
8[](https://www.npmjs.org/package/pug-lexer)
9[](https://codecov.io/gh/pugjs/pug-lexer)
10
11## Installation
12
13 npm install pug-lexer
14
15## Usage
16
17```js
18var lex = require('pug-lexer');
19```
20
21### `lex(str, options)`
22
23Convert Pug string to an array of tokens.
24
25`options` can contain the following properties:
26
27- `filename` (string): The name of the Pug file; it is used in error handling if provided.
28- `plugins` (array): An array of plugins, in the order they should be applied.
29
30```js
31console.log(JSON.stringify(lex('div(data-foo="bar")', {filename: 'my-file.pug'}), null, ' '))
32```
33
34```json
35[
36 {
37 "type": "tag",
38 "line": 1,
39 "val": "div",
40 "selfClosing": false
41 },
42 {
43 "type": "attrs",
44 "line": 1,
45 "attrs": [
46 {
47 "name": "data-foo",
48 "val": "\"bar\"",
49 "escaped": true
50 }
51 ]
52 },
53 {
54 "type": "eos",
55 "line": 1
56 }
57]
58```
59
60### `new lex.Lexer(str, options)`
61
62Constructor for a Lexer class. This is not meant to be used directly unless you know what you are doing.
63
64`options` may contain the following properties:
65
66- `filename` (string): The name of the Pug file; it is used in error handling if provided.
67- `interpolated` (boolean): if the Lexer is created as a child lexer for inline tag interpolation (e.g. `#[p Hello]`). Defaults to `false`.
68- `startingLine` (integer): the real line number of the first line in the input. It is also used for inline tag interpolation. Defaults to `1`.
69- `plugins` (array): An array of plugins, in the order they should be applied.
70
71## License
72
73 MIT
74