Contents

import { deprecate } from '@ember/debug';
import Map from './index';
import { copyMap } from './lib/utils';
import { MAP } from '@ember/deprecated-features';

let MapWithDefault;

if (MAP) {
  /**
  @class MapWithDefault
  @extends Map
  @private
  @constructor
  @param [options]
    @param {*} [options.defaultValue]
*/
  MapWithDefault = class MapWithDefault extends Map {
    constructor(options) {
      deprecate(
        'Use of @ember/MapWithDefault is deprecated. Please use native `Map` instead',
        false,
        {
          id: 'ember-map-deprecation',
          until: '3.5.0',
        }
      );

      super();
      this.defaultValue = options.defaultValue;
    }

    /**
    @method create
    @static
    @param [options]
      @param {*} [options.defaultValue]
    @return {MapWithDefault|Map} If options are passed, returns
      `MapWithDefault` otherwise returns `EmberMap`
    @private
    @deprecated use native `Map` instead
  */
    static create(options) {
      if (options) {
        return new MapWithDefault(options);
      } else {
        return new Map();
      }
    }

    /**
    Retrieve the value associated with a given key.

    @method get
    @param {*} key
    @return {*} the value associated with the key, or the default value
    @private
  */
    get(key) {
      let hasValue = this.has(key);

      if (hasValue) {
        return super.get(key);
      } else {
        let defaultValue = this.defaultValue(key);
        this.set(key, defaultValue);
        return defaultValue;
      }
    }

    /**
    @method copy
    @return {MapWithDefault}
    @private
  */
    copy() {
      let Constructor = this.constructor;
      return copyMap(
        this,
        new Constructor({
          defaultValue: this.defaultValue,
        })
      );
    }
  };
}

export default MapWithDefault;

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
discourse-ember-source-3.6.0.0	dist/es/@ember/map/with-default.js
discourse-ember-source-3.5.1.1	dist/es/@ember/map/with-default.js
discourse-ember-source-3.5.1.0	dist/dist/es/@ember/map/with-default.js