parse-js/dist/transformers/equals.js

Utility library for object structure conversion.

'use strict';

function EqualsTransformer(match) {
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

  if (!(this instanceof EqualsTransformer)) {
    return this.transform(new EqualsTransformer(match, options));
  }

  this._match = match;
  this._strict = options.strict || false;
  this._reverse = options.reverse || match;
}

EqualsTransformer.prototype.parse = function (value) {
  if (this._match instanceof RegExp) return this._match.test(value);
  if (typeof this._match === 'function') return this._match(value);
  if (this._strict) return this._match === value;
  return this._match == value;
};

EqualsTransformer.prototype.reverse = function (value) {
  if (value) return this._reverse;
  return null;
};

module.exports = EqualsTransformer;