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fix(languages): tsx grammar loads via tree_sitter_typescript module — closes #115, #119 #123

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Merged
Wolfvin merged 1 commit into from
Jul 1, 2026
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fix(languages): tsx grammar loads via tree_sitter_typescript module — closes #115, #119 #123

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24 changes: 21 additions & 3 deletions scripts/universal_grammar_loader.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,10 @@
Universal Tree-Sitter Grammar Loader for CodeLens (issue #18)
=============================================================

Auto-detects and loads tree-sitter grammars for 158+ languages from PyPI
``tree-sitter-<lang>`` packages.
Auto-detects and loads tree-sitter grammars for 100+ languages from PyPI
``tree-sitter-<lang>`` packages. The number of supported languages is
determined by the entries in :data:`EXTENSION_MAP`; call
:func:`supported_languages` for the exact count at runtime.

Public API
----------
Expand Down Expand Up @@ -486,12 +488,28 @@ def _normalize_language_name(language: str) -> str:
return language.strip().lower().replace("-", "_").replace(" ", "_")


# ── Module name overrides ────────────────────────────────────────
# Some languages share a single Python wheel with another language and
# therefore expose a non-default module name. Notably ``tsx`` and
# ``typescript`` both ship in the ``tree-sitter-typescript`` wheel whose
# import name is ``tree_sitter_typescript`` (there is no
# ``tree_sitter_tsx`` module on PyPI).
MODULE_NAME_OVERRIDES: dict = {
"tsx": "tree_sitter_typescript",
}


def _import_module_name(language: str) -> str:
"""Return the Python module name to import for a given language.

Almost all tree-sitter packages use ``tree_sitter_<lang>`` (snake_case).
Languages listed in :data:`MODULE_NAME_OVERRIDES` ship under a different
module name (e.g. ``tsx`` → ``tree_sitter_typescript``).
"""
return "tree_sitter_" + _normalize_language_name(language)
norm = _normalize_language_name(language)
if norm in MODULE_NAME_OVERRIDES:
return MODULE_NAME_OVERRIDES[norm]
return "tree_sitter_" + norm


def _package_name(language: str) -> str:
Expand Down
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