parse-js/dist/transformers/spec.js

Utility library for object structure conversion.

'use strict';

var _isPlainObject = require('lodash/isPlainObject');

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

var _merge = require('lodash/merge');

function SpecTransformer(spec, parse) {
  if (!(this instanceof SpecTransformer)) {
    return this.transform(new SpecTransformer(spec, this.constructor));
  }

  this._parse = parse || require('../index');
  this._spec = this._completeSpec(spec);
}

SpecTransformer.prototype._completeSpec = function (spec) {
  var _this = this;

  var parse = this._parse;
  return _transform(spec, function (r, v, k) {
    if (typeof v === 'string') v = parse(v);else if (_isPlainObject(v)) v = _this._completeSpec(v);
    r[k] = v;
  }, {});
};

SpecTransformer.prototype.parse = function (source, instance, root) {
  return this._toSpec(this._spec, source, instance, root);
};

SpecTransformer.prototype._toSpec = function (spec, data, instance, root) {
  var _this2 = this;

  return _transform(spec, function (r, v, k) {
    if (_isPlainObject(v)) r[k] = _this2._toSpec(v, data, instance, root);else r[k] = v.parse(data, instance, root);
  }, {});
};

SpecTransformer.prototype.reverse = function (source, instance, root) {
  return this._fromSpec(this._spec, source, instance, root);
};

SpecTransformer.prototype._fromSpec = function (spec, data, instance, root) {
  var _this3 = this;

  return _transform(spec, function (r, v, k) {
    var value = data && data[k];
    if (_isPlainObject(v)) _merge(r, _this3._fromSpec(v, value, instance, root));else _merge(r, v.reverse(value, instance, root));
  }, {});
};

module.exports = SpecTransformer;