# regjsgen [![Build status][ci-img]][ci] [![Code coverage status][codecov-img]][codecov] Generate regular expressions from [regjsparser][regjsparser]’s AST. ## Installation ```sh npm i regjsgen ``` ## API ### `regjsgen.generate(ast)` This function accepts an abstract syntax tree representing a regular expression (see [regjsparser][regjsparser]), and returns the generated regular expression string. ```js const regjsparser = require('regjsparser'); const regjsgen = require('regjsgen'); // Generate an AST with `regjsparser`. let ast = regjsparser.parse(regex); // Modify AST // … // Generate `RegExp` string with `regjsgen`. let regex = regjsgen.generate(ast); ``` ## Support Tested on Node.js 16 and 18.
Compatible with regjsparser v0.10.0’s AST. [ci]: https://github.com/bnjmnt4n/regjsgen/actions [ci-img]: https://github.com/bnjmnt4n/regjsgen/workflows/Node.js%20CI/badge.svg [codecov]: https://codecov.io/gh/bnjmnt4n/regjsgen [codecov-img]: https://codecov.io/gh/bnjmnt4n/regjsgen/branch/main/graph/badge.svg [regjsparser]: https://github.com/jviereck/regjsparser