Search js object

gistfile1.js

function searchItem(query, obj = window, maxDepth = 10) {
  const seen = new WeakSet();
  const results = [];

  function isMatch(key, value) {
    if (String(key).includes(query)) return true;
    if (typeof value === "string" || typeof value === "number" || typeof value === "boolean") {
      return String(value).includes(query);
    }
    return false;
  }

  function recurse(current, path, depth) {
    if (depth > maxDepth || current === null) return;
    if (typeof current !== "object" && typeof current !== "function") return;
    if (seen.has(current)) return;
    seen.add(current);

    for (let key in current) {
      let value;
      // Catch getters that throw
      try {
        value = current[key];
      } catch (e) {
        continue;
      }

      const newPath = path.concat(key);

      if (isMatch(key, value)) {
        results.push({ path: newPath.join("."), key, value });
      }

      if (typeof value === "object" || typeof value === "function") {
        recurse(value, newPath, depth + 1);
      }
    }
  }

  recurse(obj, ["window"], 0);

  console.log(`Found ${results.length} matches for "${query}":`);
  results.forEach(r => {
    console.log(r.path, "=", r.value);
  });

  return results;
}

// Example usage:
searchItem("aid");