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Merge pull request #1176 from vsemozhetbyt/doc-using-pro-tokens-exhaustion

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Document mutability of tokens argument in parser
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Steven 2018-04-01 21:53:11 -04:00 committed by GitHub
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@ -119,3 +119,39 @@ $ node
{ type: 'blockquote_end' },
links: {} ]
```
The Lexers build an array of tokens, which will be passed to their respective
Parsers. The Parsers process each token in the token arrays,
which are removed from the array of tokens:
``` js
const marked = require('marked');
const md = `
# heading
[link][1]
[1]: #heading "heading"
`;
const tokens = marked.lexer(md);
console.log(tokens);
const html = marked.parser(tokens);
console.log(html);
console.log(tokens);
```
``` bash
[ { type: 'heading', depth: 1, text: 'heading' },
{ type: 'paragraph', text: ' [link][1]' },
{ type: 'space' },
links: { '1': { href: '#heading', title: 'heading' } } ]
<h1 id="heading">heading</h1>
<p> <a href="#heading" title="heading">link</a></p>
[ links: { '1': { href: '#heading', title: 'heading' } } ]
```