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typescriptifies LogMap
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/*
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Copyright 2020 Bruno Windels <bruno@windels.cloud>
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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} from "./BaseObservableMap";
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export class LogMap extends BaseObservableMap {
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constructor(source, log) {
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super();
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this._source = source;
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this.log = log;
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this._subscription = null;
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}
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onAdd(key, value) {
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this.log("add", key, value);
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this.emitAdd(key, value);
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}
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onRemove(key, value) {
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this.log("remove", key, value);
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this.emitRemove(key, value);
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}
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onUpdate(key, value, params) {
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this.log("update", key, value, params);
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this.emitUpdate(key, value, params);
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}
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onSubscribeFirst() {
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this.log("subscribeFirst");
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this._subscription = this._source.subscribe(this);
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super.onSubscribeFirst();
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}
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onUnsubscribeLast() {
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super.onUnsubscribeLast();
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this._subscription = this._subscription();
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this.log("unsubscribeLast");
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}
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onReset() {
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this.log("reset");
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this.emitReset();
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}
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[Symbol.iterator]() {
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return this._source[Symbol.iterator]();
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}
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get size() {
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return this._source.size;
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}
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get(key) {
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return this._source.get(key);
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}
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}
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104
src/observable/map/LogMap.ts
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104
src/observable/map/LogMap.ts
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/*
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Copyright 2020 Bruno Windels <bruno@windels.cloud>
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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 {config} from "./config";
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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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import {SubscriptionHandle} from "../BaseObservable"
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import {ILogItem, LabelOrValues} from "../../logging/types";
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import {LogLevel} from "../../logging/LogFilter";
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export class LogMap<K, V> extends BaseObservableMap<K, V> {
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private _source: BaseObservableMap<K, V>;
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private _subscription?: SubscriptionHandle;
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private _log: ILogItem;
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private _config: BaseObservableMapConfig<K, V>
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constructor(source: BaseObservableMap<K, V>, log: ILogItem) {
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super();
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this._source = source;
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this._log = log;
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this._config = config<K, V>();
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}
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join(...otherMaps: Array<typeof this>): JoinedMap<K, V> {
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return this._config.join(this, ...otherMaps);
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}
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mapValues(mapper: any, updater?: (params: any) => void): MappedMap {
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return this._config.mapValues(this, mapper, updater);
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}
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sortValues(comparator?: (a: any, b: any) => number): SortedMapList {
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return this._config.sortValues(this, comparator);
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}
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filterValues(filter: (v: V, k: K) => boolean): FilteredMap<K, V> {
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return this._config.filterValues(this, filter);
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}
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private log(labelOrValues: LabelOrValues, logLevel?: LogLevel): ILogItem {
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return this._log.log(labelOrValues, logLevel);
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}
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onAdd(key: K, value: V) {
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this.log("add " + JSON.stringify({key, value}));
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this.emitAdd(key, value);
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}
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onRemove(key: K, value: V) {
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this.log("remove " + JSON.stringify({key, value}));
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this.emitRemove(key, value);
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}
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onUpdate(key: K, value: V, params: any) {
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this.log("update" + JSON.stringify({key, value, params}));
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this.emitUpdate(key, value, params);
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}
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onSubscribeFirst() {
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this.log("subscribeFirst");
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this._subscription = this._source.subscribe(this);
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super.onSubscribeFirst();
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}
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onUnsubscribeLast() {
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super.onUnsubscribeLast();
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if (this._subscription) this._subscription = this._subscription();
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this.log("unsubscribeLast");
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}
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onReset() {
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this.log("reset");
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this.emitReset();
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}
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[Symbol.iterator]() {
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return this._source[Symbol.iterator]();
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}
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get size() {
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return this._source.size;
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}
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get(key: K) {
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return this._source.get(key);
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}
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}
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