Function resolveTscInvocation

hooks_src/post-edit.js:360–390

* Resolve the tsc invocation. Order: * (a) typecheckConfig.tscPath or CITADEL_TSC_PATH (test hook) * (b) the project's typescript package, run via the current node binary * (c) PROJECT_ROOT/node_modules/.bin/tsc shim * (d) tsc on PATH * Returns { cmd, baseArgs } or { error } when nothin

(typecheckConfig)

    const args = t.length > 1 ? t.slice(1) : [...DEFAULT_TSC_ARGS];
    if (!args.includes('--pretty')) args.push('--pretty', 'false');
    return { kind: 'tsc', args };
  }
  return { kind: 'custom', tokens: t };
}

/**
 * Resolve the tsc invocation. Order:
 *   (a) typecheckConfig.tscPath or CITADEL_TSC_PATH (test hook)
 *   (b) the project's typescript package, run via the current node binary
 *   (c) PROJECT_ROOT/node_modules/.bin/tsc shim
 *   (d) tsc on PATH
 * Returns { cmd, baseArgs } or { error } when nothing resolves.
 */
function resolveTscInvocation(typecheckConfig) {
  const explicit = typecheckConfig.tscPath || process.env.CITADEL_TSC_PATH;
  if (explicit) {
    if (!fs.existsSync(explicit)) {
      return { error: `configured tsc path not found: ${explicit}` };
    }
    if (/\.(exe|cmd|bat|com)$/i.test(explicit)) return { cmd: explicit, baseArgs: [] };
    return { cmd: process.execPath, baseArgs: [explicit] };
  }

  try {
    const tscJs = require.resolve('typescript/bin/tsc', { paths: [PROJECT_ROOT] });
    return { cmd: process.execPath, baseArgs: [tscJs] };
  } catch {
    // Older/newer typescript packages may not export bin/tsc; derive it from the main entry
    try {
      const tsMain = require.resolve('typescript', { paths: [PROJECT_ROOT] });
      const tscJs = path.join(path.dirname(tsMain), '..', 'bin', 'tsc');
      if (fs.existsSync(tscJs)) return { cmd: process.execPath, baseArgs: [tscJs] };
    } catch { /* typescript not installed in the project */ }
  }