merve

{
  "aliases": [],
  "alternatives": [
    "cjs-module-lexer",
    "acorn",
    "@babel/parser"
  ],
  "build_dependencies": [
    "cmake"
  ],
  "categories": [
    "lexer",
    "parser",
    "library"
  ],
  "caveats": null,
  "conflicts_with": [],
  "dependencies": [
    "simdutf"
  ],
  "deprecated": 0,
  "deprecation_reason": null,
  "desc": "C++ lexer for extracting named exports from CommonJS modules",
  "disable_reason": null,
  "disabled": 0,
  "enrichment_fetched_at": "2026-06-20T23:40:39+00:00",
  "first_seen": "2026-06-20T23:34:18+00:00",
  "full_name": "merve",
  "github_default_branch": "main",
  "github_last_commit_at": "2026-06-01T06:50:09Z",
  "github_readme_excerpt": "# merve\n\nA fast C++ lexer for extracting named exports from CommonJS modules. This library performs static analysis to detect CommonJS export patterns without executing the code.\n\n## Features\n\n- **Fast**: Zero-copy parsing for most exports using `std::string_view`\n- **Accurate**: Handles complex CommonJS patterns including re-exports, Object.defineProperty, and transpiler output\n- **Source Locations**: Each export includes a 1-based line number for tooling integration\n- **Unicode Support**: Properly unescapes JavaScript string literals including `\\u{XXXX}` and surrogate pairs\n- **Optional SIMD Acceleration**: Can use [simdutf](https://github.com/simdutf/simdutf) for faster string operations\n- **C API**: Full C interface (`merve_c.h`) for use from C, FFI, or other languages\n- **No Dependencies**: Single-header distribution available (simdutf is optional)\n- **Cross-Platform**: Works on Linux, macOS, and Windows\n\n## Installation\n\n### CMake\n\n```cmake\ninclude(FetchContent)\nFetchContent_Declare(\n  merve\n  GIT_REPOSITORY https://github.com/anonrig/merve.git\n  GIT_TAG main\n)\nFetchContent_MakeAvailable(merve)\n\ntarget_link_libraries(your_target PRIVATE lexer::lexer)\n```\n\n### Single Header\n\nCopy `singleheader/merve.h` and `singleheader/merve.cpp` to your project.\nThe C API header `singleheader/merve_c.h` is also included in the distribution.\n\n## Usage\n\n```cpp\n#include \"merve.h\"\n#include \u003ciostream\u003e\n\nint main() {\n  std::string_view source = R\"(\n    exports.foo = 1;\n    exports.bar = function() {};\n    module.exports.baz = \u0027hello\u0027;\n  )\";\n\n  auto result = lexer::parse_commonjs(source);\n  \n  if (result) {\n    std::cout \u003c\u003c \"Exports found:\" \u003c\u003c std::endl;\n    for (const auto\u0026 exp : result-\u003eexports) {\n      std::cout \u003c\u003c \"  - \" \u003c\u003c lexer::get_string_view(exp)\n                \u003c\u003c \" (line \" \u003c\u003c exp.line \u003c\u003c \")\" \u003c\u003c std::endl;\n    }\n  }\n\n  return 0;\n}\n```\n\nOutput:\n```\nExports found:\n  - foo (line 2)\n  - bar (line 3)\n  - baz (line 4)\n```\n\n## API Reference\n\n### `lexer::parse_commonjs`\n\n```cpp\nstd",
  "github_repo": "nodejs/merve",
  "github_stars": 56,
  "github_topics": [],
  "homepage": "https://github.com/nodejs/merve",
  "homepage_og_description": null,
  "homepage_og_image": null,
  "homepage_title": null,
  "installs_30d": 62377,
  "installs_365d": 239513,
  "installs_90d": 239513,
  "keg_only": 0,
  "keg_only_reason": null,
  "last_seen": "2026-06-20T23:34:18+00:00",
  "license": "Apache-2.0",
  "llm_generated_at": "2026-06-20T23:42:41+00:00",
  "llm_model": "claude-haiku-4-5",
  "name": "merve",
  "oldnames": [],
  "one_liner": "C++ lexer for extracting named exports from CommonJS modules via static analysis without code execution.",
  "optional_dependencies": [],
  "rank_30d": 96,
  "rank_365d": 253,
  "rank_90d": 76,
  "raw_hash": "39de30c30a1529d3",
  "recommended_dependencies": [],
  "revision": 1,
  "ruby_source_path": "Formula/m/merve.rb",
  "tap": "homebrew/core",
  "test_dependencies": [],
  "uses_from_macos": [],
  "version_head": null,
  "version_stable": "1.2.2",
  "versioned_formulae": [],
  "why_use_this": "Integrates into Node.js toolchains and bundlers that need to analyze CommonJS export patterns quickly. Fast zero-copy parsing with optional SIMD acceleration, handles complex transpiler output and Unicode, and offers both C++ and C APIs for broad language binding support."
}