export function rewriteOptionalToRequired()

in src/schema/firefox-schemas-import.js [75:104]

• 25 lines of code
• 7 McCabe index (conditional complexity)

export function rewriteOptionalToRequired(schema) {
  const required = [];
  const withoutOptional = Object.keys(schema).reduce((obj, key) => {
    const value = schema[key];
    if (!Array.isArray(value) && typeof value === 'object') {
      const { optional, ...rest } = value;
      // If there is an allOf, check the inner schemas for optional.
      if (Array.isArray(rest.allOf)) {
        let someOptional = false;
        // Update the inner schemas to remove the optional property and record
        // if we found any optional schemas. See issue #1245.
        // eslint-disable-next-line no-shadow
        rest.allOf = rest.allOf.map((inner) => {
          const { optional: innerOptional, ...innerRest } = inner;
          someOptional = someOptional || innerOptional;
          return innerRest;
        });
        // If none of the inner schemas are optional then this property is required.
        if (!someOptional) {
          required.push(key);
        }
      } else if (!optional) {
        required.push(key);
      }
      return { ...obj, [key]: rest };
    }
    return { ...obj, [key]: value };
  }, {});
  return { ...withoutOptional, required };
}