review-fetch-phase

1#!/usr/bin/env node2 3import { realpathSync } from 'node:fs';4import { mkdir, readFile, writeFile } from 'node:fs/promises';5import { dirname, resolve } from 'node:path';6import { fileURLToPath } from 'node:url';7 8import { assertReviewStateV2, formatCanonicalJson } from './review-artifacts.mjs';9 10const EXIT_SUCCESS = 0;11const EXIT_OPERATIONAL = 1;12const EXIT_CLI = 2;13 14function parseCliArgs(argv) {15  const args = argv.slice(2);16  const result = { inPath: null, outPath: null, help: false };17  if (args.includes('--help')) {18    result.help = true;19    return result;20  }21 22  const knownFlags = new Set(['--in', '--out']);23  let index = 0;24  while (index < args.length) {25    const arg = args[index];26    if (!arg.startsWith('--') || !knownFlags.has(arg)) {27      throw { code: EXIT_CLI, message: `error: unknown flag "${arg}"` };28    }29    index += 1;30    if (index >= args.length) {31      throw { code: EXIT_CLI, message: `error: ${arg} requires a value` };32    }33    const value = args[index];34    if (arg === '--in') {35      result.inPath = value;36    } else if (arg === '--out') {37      result.outPath = value;38    }39    index += 1;40  }41 42  if (!result.inPath) {43    throw { code: EXIT_CLI, message: 'error: --in is required' };44  }45  if (!result.outPath) {46    throw { code: EXIT_CLI, message: 'error: --out is required' };47  }48  if (!result.inPath.endsWith('.json') || !result.outPath.endsWith('.json')) {49    throw { code: EXIT_CLI, message: 'error: --in and --out must be .json paths' };50  }51  return result;52}53 54function getHelpText() {55  return [56    'Usage:',57    '  extract-review-targets.mjs --in <review-state.json> --out <review-targets.json>',58    '',59    'Purpose:',60    '  Build deterministic target index for triage bootstrapping.',61  ].join('\n');62}63 64function buildTargetsPayload(reviewState, inPath) {65  return {66    version: 1,67    reviewState: {68      path: inPath,69      fetchedAt: reviewState.fetchedAt,70      prUrl: reviewState.pr.url,71      prNodeId: reviewState.pr.nodeId,72    },73    targets: reviewState.targets.map((target, index) => ({74      order: index + 1,75      ...target,76    })),77  };78}79 80async function main() {81  const args = parseCliArgs(process.argv);82  if (args.help) {83    process.stdout.write(`${getHelpText()}\n`);84    process.exit(EXIT_SUCCESS);85  }86 87  const raw = await readFile(args.inPath, 'utf8');88  const reviewState = JSON.parse(raw);89  assertReviewStateV2(reviewState);90  const payload = buildTargetsPayload(reviewState, args.inPath);91  await mkdir(dirname(args.outPath), { recursive: true });92  await writeFile(args.outPath, formatCanonicalJson(payload), 'utf8');93}94 95const isMain = (() => {96  try {97    const invokedScriptPath = process.argv[1] ? realpathSync(resolve(process.argv[1])) : null;98    const currentModulePath = realpathSync(fileURLToPath(import.meta.url));99    return invokedScriptPath !== null && invokedScriptPath === currentModulePath;100  } catch {101    return false;102  }103})();104 105if (isMain) {106  main().catch((error) => {107    const code = typeof error?.code === 'number' ? error.code : EXIT_OPERATIONAL;108    const message = error?.message ? String(error.message) : String(error);109    process.stderr.write(`${message}\n`);110    process.exit(code);111  });112}113