parse-js/dist/transformers/match.js

Utility library for object structure conversion.

'use strict';

var _transform = require('../lib/transform');

function MatchTransformer(match) {
  if (!(this instanceof MatchTransformer)) {
    return this.transform(new MatchTransformer(match));
  }

  if (typeof match === 'string') {
    // Escape string
    match = match.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
    match = new RegExp(match);
  }

  this._match = match;
}

MatchTransformer.prototype.parse = function (source) {
  var _this = this;

  return _transform(source, function (result, value, key) {
    if (_this._match.test(key)) result[key] = value;
  }, {});
};

MatchTransformer.prototype.reverse = MatchTransformer.prototype.parse;
module.exports = MatchTransformer;