Function validateOptions

src/triggers.js:781–807

(opt, key, val)

  };

  const validateOptions = async (opt, key, val) => {
    let opts = opt.options;
    if (typeof opts === 'function') {
      try {
        const result = await opts(val);
        if (!result && result != null) {
          throw opt.error || `Validation failed. Invalid value for ${key}.`;
        }
      } catch (e) {
        if (!e) {
          throw opt.error || `Validation failed. Invalid value for ${key}.`;
        }

        throw opt.error || e.message || e;
      }
      return;
    }
    if (!Array.isArray(opts)) {
      opts = [opt.options];
    }

    if (!opts.includes(val)) {
      throw (
        opt.error || `Validation failed. Invalid option for ${key}. Expected: ${opts.join(', ')}`
      );
    }
  };

  const getType = fn => {
    const match = fn && fn.toString().match(/^\s*function (\w+)/);