How to use

partial

function

in

lodash

function prefillQuestions(questions, config) {
  const questionNamesRequireBindWhen = [
    "reselect-cloudsql-instance-credentials",
    "cloudsql-instance-credentials",
    "reselect-storage-account-credentials",
    "storage-account-credentials"
  ];
  return questions
    .map((question) => {
      let configValue = config.get(question.name);
      const type = typeof configValue;
      if (type === "undefined") return question;
      if (type === "object") {
        if (typeof configValue.value === "undefined") return question;
        else configValue = configValue.value;
      }

      return Object.assign({}, question, {
        default: configValue
      });
    })
    .map((question) => {
      if (questionNamesRequireBindWhen.indexOf(question["name"]) === -1) {
        return question;
      }
      return Object.assign({}, question, {
        when: partial(question.when, config.all)
      });
    });
}

  options={types}
  selection={type}
  onChange={partial(this.handleFilterChange, 'type')}
 />
 <Dropdown
  options={generators}
  selection={ssg}
  onChange={partial(this.handleFilterChange, 'ssg')}
 />
 <Dropdown
  options={licenses}
  selection={license}
  onChange={partial(this.handleFilterChange, 'license')}
 />
</div>