Function parseIssues

src/tools/ast/syntax-check.ts:157–171

(text: string)

    if (!p) return null;                    // grammar unavailable → fail-open

    const parseIssues = (text: string): SyntaxIssue[] | null => {
      let tree: any = null;
      try {
        tree = p.parser.parse(text);
        if (!tree?.rootNode) return null;
        return findIssuesInTree(tree.rootNode as TSNodeLike, text);
      } catch (e: any) {
        // Fail-open (never block the write), but surface that the parser could
        // not run so a silently-broken parser isn't mistaken for "clean file".
        console.warn(`[syntax-check] parser could not run for ${absPath}; skipping syntax gate: ${e?.message ?? String(e)}`);
        return null;                        // parser hiccup → fail-open
      } finally {
        try { tree?.delete?.(); } catch { /* wasm cleanup best-effort */ }
      }
    };

    const after = parseIssues(afterContent);
    if (after === null || after.length === 0) return null;