Function helper

test/rpc.test.js:393–396

(target, key, repeat)

    it('replaceRepeatList should ok', function () {
      const replaceRepeatList = rpc.__get__('replaceRepeatList');
      function helper(target, key, repeat) {
        replaceRepeatList(target, key, repeat);
        return target;
      }
      expect(helper({}, 'key', [])).to.be.eql({});
      expect(helper({}, 'key', ['value'])).to.be.eql({
        'key.1': 'value'