kepler.gl/dist/components/common/item-selector/accessor.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
});
// 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.

var Accessor = {
  IDENTITY_FN: function IDENTITY_FN(input) {
    return input;
  },

  generateAccessor: function generateAccessor(field) {
    return function (object) {
      return object[field];
    };
  },

  generateOptionToStringFor: function generateOptionToStringFor(prop) {
    if (typeof prop === 'string') {
      return this.generateAccessor(prop);
    } else if (typeof prop === 'function') {
      return prop;
    }
    return this.IDENTITY_FN;
  },

  valueForOption: function valueForOption(option, object) {
    if (typeof option === 'string') {
      return object[option];
    } else if (typeof option === 'function') {
      return option(object);
    }
    return object;
  }
};

exports.default = Accessor;
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