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| 1 | # regjsgen [![Build status][travis-ci-img]][travis-ci] [![Code coverage status][codecov-img]][codecov]
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| 2 |
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| 3 | Generate regular expressions from [regjsparser][regjsparser]’s AST.
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| 4 |
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| 5 | ## Installation
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| 6 |
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| 7 | ```sh
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| 8 | npm i regjsgen
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| 9 | ```
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| 10 |
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| 11 | ## API
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| 12 |
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| 13 | ### `regjsgen.generate(ast)`
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| 14 |
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| 15 | This function accepts an abstract syntax tree representing a regular expression (see [regjsparser][regjsparser]), and returns the generated regular expression string.
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| 16 |
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| 17 | ```js
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| 18 | const regjsparser = require('regjsparser');
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| 19 | const regjsgen = require('regjsgen');
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| 20 |
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| 21 | // Generate an AST with `regjsparser`.
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| 22 | let ast = regjsparser.parse(regex);
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| 23 |
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| 24 | // Modify AST
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| 25 | // …
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| 26 |
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| 27 | // Generate `RegExp` string with `regjsgen`.
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| 28 | let regex = regjsgen.generate(ast);
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| 29 | ```
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| 30 |
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| 31 | ## Support
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| 32 |
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| 33 | Tested in Node.js 0.10, 0.12, 4, 6, 8, 10, 12 and 14.<br>
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| 34 | Compatible with regjsparser v0.6.4’s AST.
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| 35 |
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| 36 |
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| 37 | [travis-ci]: https://travis-ci.org/bnjmnt4n/regjsgen
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| 38 | [travis-ci-img]: https://travis-ci.org/bnjmnt4n/regjsgen.svg?branch=master
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| 39 | [codecov]: https://codecov.io/gh/bnjmnt4n/regjsgen
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| 40 | [codecov-img]: https://codecov.io/gh/bnjmnt4n/regjsgen/branch/master/graph/badge.svg
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| 41 | [regjsparser]: https://github.com/jviereck/regjsparser
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