Function parseFrontmatter

scripts/codex-compat.js:77–108

(content)

    "const { spawnSync } = require('child_process');\n" +
    "const fs = require('fs');\n" +
    "const path = require('path');\n" +
    "const pluginRoot = fs.readFileSync(path.join(__dirname, '..', 'plugin-root.txt'), 'utf8').trim();\n" +
    "const real = path.join(pluginRoot, 'scripts', " + JSON.stringify(scriptName) + ");\n" +
    "const r = spawnSync(process.execPath, [real, ...process.argv.slice(2)], { stdio: 'inherit', env: process.env });\n" +
    "process.exit(r.status === null ? 1 : r.status);\n"
  );
}

function readJSON(filePath) {
  try {
    return JSON.parse(fs.readFileSync(filePath, 'utf8'));
  } catch {
    return null;
  }
}

function parseFrontmatter(content) {
  // Normalize line endings to \n for consistent parsing
  const normalized = content.replace(/\r\n/g, '\n');
  const match = normalized.match(/^---\n([\s\S]*?)\n---/);
  if (!match) return {};
  const fm = {};
  for (const line of match[1].split('\n')) {
    // Skip YAML list items (lines starting with -)
    if (line.trim().startsWith('-')) continue;
    const colonIdx = line.indexOf(':');
    if (colonIdx === -1) continue;
    const key = line.slice(0, colonIdx).trim();
    // Skip indented keys (nested YAML)
    if (line.match(/^\s+\w/)) continue;
    let val = line.slice(colonIdx + 1).trim();
    // Strip YAML quotes
    if ((val.startsWith('"') && val.endsWith('"')) || (val.startsWith("'") && val.endsWith("'"))) {
      val = val.slice(1, -1);
    }