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Preprocess any string in C/GLSL-preprocessor fashion.\n\n[![npm install prepr](https://nodei.co/npm/prepr.png?mini=true)](https://npmjs.org/package/prepr/)\n\n```js\nimport prepr from 'prepr';\n\nprepr(`\n\t#define A 2;\n\n\t#ifdef A\n\tvar a = A;\n\t#endif\n\n\t#if A \u003e 40\n\t//too far\n\t#elif A \u003c 1\n\t//too close\n\t#else\n\t//about right\n\t#endif\n\n\tvar b = myVar;\n\tvar c = myMacro('xyz');\n`, {\n\tmyVar: 1,\n\tmyMacro: function (arg) { return arg; }\n});\n\n// ↓\n\n`\nvar a = 2;\n\n//about right\n\nvar b = 1;\nvar c = 'xyz';\n`\n```\n\nThe primary purpose is to preprocess code for [glsl-transpiler](https://github.com/stackgl/glsl-transpiler), so some [C-preprocessor](https://gcc.gnu.org/onlinedocs/cpp/index.html#Top) functionality is absent, but the project is welcome to forks and PRs.\n\n## Related\n\n* [compile-js-like-c](https://github.com/ParksProjets/compile-js-like-c) — another C preprocessor for js.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdy%2Fprepr","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdy%2Fprepr","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdy%2Fprepr/lists"}