@airtasker/form-schema-compiler/lib/parsers/utils.js

a form schema compiler

"use strict";

exports.__esModule = true;
exports.isKeyword = exports.isOperator = exports.isPunctuation = undefined;

var _const = require("../const");

var returnTokenWhen = function returnTokenWhen(token, type, propKey, propValue) {
  if (token && token.type === type && (!propKey || !propValue || token[propKey] === propValue)) {
    return token;
  }

  return null;
};

var isPunctuation = exports.isPunctuation = function isPunctuation(token) {
  var paren = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : undefined;
  return returnTokenWhen(token, _const.TYPES.Punctuation, "value", paren);
};

var isOperator = exports.isOperator = function isOperator(token) {
  var operator = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : undefined;
  return returnTokenWhen(token, _const.TYPES.Operator, "value", operator);
};

var isKeyword = exports.isKeyword = function isKeyword(token) {
  var keyword = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : undefined;
  return returnTokenWhen(token, _const.TYPES.Keyword, "value", keyword);
};