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moves config into its own file
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@ -18,40 +18,15 @@ import {SortedMapList} from "./list/SortedMapList.js";
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import {FilteredMap} from "./map/FilteredMap.js";
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import {FilteredMap} from "./map/FilteredMap.js";
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import {MappedMap} from "./map/MappedMap.js";
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import {MappedMap} from "./map/MappedMap.js";
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import {JoinedMap} from "./map/JoinedMap.js";
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import {JoinedMap} from "./map/JoinedMap.js";
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import {BaseObservableMap, BaseObservableMapConfig} from "./map/BaseObservableMap";
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import {BaseObservableMap} from "./map/BaseObservableMap";
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import {ObservableMapInternal} from "./map/ObservableMap";
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// re-export "root" (of chain) collection
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// re-export "root" (of chain) collections
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export { ObservableMap } from "./map/ObservableMap";
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export { ObservableArray } from "./list/ObservableArray";
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export { ObservableArray } from "./list/ObservableArray";
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export { SortedArray } from "./list/SortedArray";
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export { SortedArray } from "./list/SortedArray";
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export { MappedList } from "./list/MappedList";
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export { MappedList } from "./list/MappedList";
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export { AsyncMappedList } from "./list/AsyncMappedList";
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export { AsyncMappedList } from "./list/AsyncMappedList";
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export { ConcatList } from "./list/ConcatList";
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export { ConcatList } from "./list/ConcatList";
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// avoid circular dependency between these classes
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// and BaseObservableMap (as they extend it)
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function config<K, V>(): BaseObservableMapConfig<K, V> {
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return {
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join: (_this: BaseObservableMap<K, V>, ...otherMaps: Array<BaseObservableMap<K, V>>): JoinedMap => {
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return new JoinedMap([_this].concat(otherMaps));
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},
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mapValues: (_this: BaseObservableMap<K, V>, mapper: any, updater?: (params: any) => void): MappedMap => {
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return new MappedMap(_this, mapper, updater);
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},
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sortValues: (_this: BaseObservableMap<K, V>, comparator?: (a: any, b: any) => number): SortedMapList => {
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return new SortedMapList(_this, comparator);
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},
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filterValues: (_this: BaseObservableMap<K, V>, filter: (v: V, k: K) => boolean): FilteredMap => {
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return new FilteredMap(_this, filter);
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}
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};
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};
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export class ObservableMap<K, V> extends ObservableMapInternal<K, V> {
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constructor(initialValues?: (readonly [K, V])[]) {
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super(config<K, V>(), initialValues);
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}
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}
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// avoid circular dependency between these classes
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// avoid circular dependency between these classes
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// and BaseObservableMap (as they extend it)
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// and BaseObservableMap (as they extend it)
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@ -60,10 +60,17 @@ export abstract class BaseObservableMap<K, V> extends BaseObservable<IMapObserve
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}
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}
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}
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}
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// The following group of functions have a default implementation
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// in the neighboring `config.ts`. See the comment in that file for
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// the explanation for why the default implementation isn't defined
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// here. See the neighboring `ObservableMap.ts` for an example of how
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// to easily use the default implementation in a class that extends
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// this one (which is most likely what you want to do).
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abstract join(...otherMaps: Array<typeof this>): JoinedMap;
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abstract join(...otherMaps: Array<typeof this>): JoinedMap;
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abstract mapValues(mapper: any, updater?: (params: any) => void): MappedMap;
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abstract mapValues(mapper: any, updater?: (params: any) => void): MappedMap;
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abstract sortValues(comparator?: (a: any, b: any) => number): SortedMapList;
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abstract sortValues(comparator?: (a: any, b: any) => number): SortedMapList;
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abstract filterValues(filter: (v: V, k: K) => boolean): FilteredMap;
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abstract filterValues(filter: (v: V, k: K) => boolean): FilteredMap;
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abstract [Symbol.iterator](): Iterator<[K, V]>;
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abstract [Symbol.iterator](): Iterator<[K, V]>;
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abstract get size(): number;
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abstract get size(): number;
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abstract get(key: K): V | undefined;
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abstract get(key: K): V | undefined;
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@ -15,18 +15,20 @@ limitations under the License.
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*/
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*/
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import {BaseObservableMap, BaseObservableMapConfig} from "./BaseObservableMap";
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import {BaseObservableMap, BaseObservableMapConfig} from "./BaseObservableMap";
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import {JoinedMap} from "../map/JoinedMap.js";
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import {config} from "./config";
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import {MappedMap} from "../map/MappedMap.js";
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import {JoinedMap} from "./JoinedMap.js";
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import {FilteredMap} from "../map/FilteredMap.js";
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import {MappedMap} from "./MappedMap.js";
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import {FilteredMap} from "./FilteredMap.js";
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import {SortedMapList} from "../list/SortedMapList.js";
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import {SortedMapList} from "../list/SortedMapList.js";
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export class ObservableMapInternal<K, V> extends BaseObservableMap<K, V> {
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export class ObservableMap<K, V> extends BaseObservableMap<K, V> {
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private _config: BaseObservableMapConfig<K, V>
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private _config: BaseObservableMapConfig<K, V>
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private readonly _values: Map<K, V>;
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private readonly _values: Map<K, V>;
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constructor(config: BaseObservableMapConfig<K, V>, initialValues?: (readonly [K, V])[]) {
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constructor(initialValues?: (readonly [K, V])[]) {
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super();
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super();
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this._config = config;
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this._config = config<K, V>();
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this._values = new Map(initialValues);
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this._values = new Map(initialValues);
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}
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}
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43
src/observable/map/config.ts
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43
src/observable/map/config.ts
Normal file
@ -0,0 +1,43 @@
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/*
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Copyright 2022 Isaiah Becker-Mayer <ibeckermayer@gmail.com>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import {BaseObservableMap, BaseObservableMapConfig} from "./BaseObservableMap";
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import {FilteredMap} from "./FilteredMap.js";
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import {MappedMap} from "./MappedMap.js";
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import {JoinedMap} from "./JoinedMap.js";
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import {SortedMapList} from "../list/SortedMapList.js";
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// This function is used as a default implementation of
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// the respective abstract functions in BaseObservableMap.
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// We implement it this way in order to avoid a circular
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// dependency between the classes that are instantiated here
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// (i.e. `new JoinedMap()`) and BaseObservableMap (as they extend it).
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export function config<K, V>(): BaseObservableMapConfig<K, V> {
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return {
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join: (_this: BaseObservableMap<K, V>, ...otherMaps: Array<BaseObservableMap<K, V>>): JoinedMap => {
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return new JoinedMap([_this].concat(otherMaps));
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},
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mapValues: (_this: BaseObservableMap<K, V>, mapper: any, updater?: (params: any) => void): MappedMap => {
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return new MappedMap(_this, mapper, updater);
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},
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sortValues: (_this: BaseObservableMap<K, V>, comparator?: (a: any, b: any) => number): SortedMapList => {
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return new SortedMapList(_this, comparator);
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},
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filterValues: (_this: BaseObservableMap<K, V>, filter: (v: V, k: K) => boolean): FilteredMap => {
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return new FilteredMap(_this, filter);
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}
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};
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};
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