Function normalize

spec/helper.js:335–350

(obj)

// Normalizes a JSON object.
function normalize(obj) {
  if (obj === null || typeof obj !== 'object') {
    return JSON.stringify(obj);
  }
  if (Array.isArray(obj)) {
    return '[' + obj.map(normalize).join(', ') + ']';
  }
  let answer = '{';
  for (const key of Object.keys(obj).sort()) {
    answer += key + ': ';
    answer += normalize(obj[key]);
    answer += ', ';
  }
  answer += '}';
  return answer;
}

// Asserts two json structures are equal.
function jequal(o1, o2) {