kepler.gl/dist/schemas/schema-utils.js

kepler.gl is a webgl based application to visualize large scale location data in the browser

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _defineProperty2 = require('babel-runtime/helpers/defineProperty');

var _defineProperty3 = _interopRequireDefault(_defineProperty2);

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

exports.savePropertiesOrApplySchema = savePropertiesOrApplySchema;
exports.loadPropertiesOrApplySchema = loadPropertiesOrApplySchema;
exports.getPropertyValueFromSchema = getPropertyValueFromSchema;

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

// Copyright (c) 2018 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

/**
 * Recursively save / load value for state based on property keys,
 * if property[key] is another schema
 * Use is to get value to save
 * @param {Object} opertation - 'save' or 'load'
 * @param {Object} state - state to save
 * @param {Object} properties - properties schema
 * @returns {Object} - saved state
 */
function savePropertiesOrApplySchema(state, properties) {
  return getPropertyValueFromSchema('save', state, properties);
}

function loadPropertiesOrApplySchema(state, properties) {
  return getPropertyValueFromSchema('load', state, properties);
}

function getPropertyValueFromSchema(operation, state, properties) {
  return Object.keys(properties).reduce(function (accu, key) {
    return (0, _extends3.default)({}, accu, key in state ? properties[key] ? // if it's another schema
    properties[key][operation] ? // call save or load
    properties[key][operation](state[key], state) : // if it's another property object
    getPropertyValueFromSchema(operation, state[key], properties[key]) : (0, _defineProperty3.default)({}, key, state[key]) : {});
  }, {});
}
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