fix(core): update

2024-02-25 13:01:06 +01:00
parent 052322fb98
commit b2ca6e13e7
14 changed files with 28 additions and 28 deletions
--- a/ts/classes.objectmap.ts
+++ b/ts/classes.objectmap.ts
@@ -0,0 +1,246 @@
+import * as plugins from './classes.plugins.js';
+import { FastMap } from './classes.fastmap.js';
+
+export const uni = (prefix: string = 'uni') => {
+  return `${prefix}xxxxxxxxxxx`.replace(/[xy]/g, (c) => {
+    const r = (Math.random() * 16) | 0;
+    const v = c === 'x' ? r : (r & 0x3) | 0x8;
+    return v.toString(16);
+  });
+};
+
+export interface IObjectmapForEachFunction<T> {
+  (itemArg: T): void;
+}
+
+export interface IObjectmapFindFunctionSync<T> {
+  (itemArg: T): boolean;
+}
+
+export interface IObjectmapFindFunction<T> {
+  (itemArg: T): Promise<boolean>;
+}
+
+export interface IObjectMapEventData<T> {
+  operation: 'add' | 'remove';
+  payload: T;
+}
+
+/**
+ * allows keeping track of objects
+ */
+export class ObjectMap<T> {
+  private fastMap = new FastMap<T>();
+
+  // events
+  public eventSubject = new plugins.smartrx.rxjs.Subject<IObjectMapEventData<T>>();
+
+  /**
+   * returns a new instance
+   */
+  constructor() {
+    // nothing here
+  }
+
+  /**
+   * adds an object mapped to a string
+   * the string must be unique
+   */
+  addMappedUnique(uniqueKeyArg: string, objectArg: T) {
+    this.fastMap.addToMap(uniqueKeyArg, objectArg);
+  }
+
+  /**
+   * fastest way to get an object from the map
+   * @param uniqueKey
+   */
+  public getMappedUnique(uniqueKeyArg: string) {
+    return this.fastMap.getByKey(uniqueKeyArg);
+  }
+
+  /**
+   * remove key
+   * @param functionArg
+   */
+  public removeMappedUnique(uniqueKey: string) {
+    const object = this.getMappedUnique(uniqueKey);
+  }
+
+  /**
+   * add object to Objectmap
+   * returns false if the object is already in the map
+   * returns true if the object was added successfully
+   */
+  public add(objectArg: T): string {
+    // lets search for an existing unique key
+    for (const keyArg of this.fastMap.getKeys()) {
+      const object = this.fastMap.getByKey(keyArg);
+      if (object === objectArg) {
+        return keyArg;
+      }
+    }
+
+    // otherwise lets create it
+    const uniqueKey = uni('key');
+    this.addMappedUnique(uniqueKey, objectArg);
+    this.eventSubject.next({
+      operation: 'add',
+      payload: objectArg,
+    });
+    return uniqueKey;
+  }
+
+  /**
+   * like .add but adds an whole array of objects
+   */
+  public addArray(objectArrayArg: T[]) {
+    for (const item of objectArrayArg) {
+      this.add(item);
+    }
+  }
+
+  /**
+   * check if object is in Objectmap
+   */
+  public checkForObject(objectArg: T): boolean {
+    return !!this.getKeyForObject(objectArg);
+  }
+
+  /**
+   * get key for object
+   * @param findFunction
+   */
+  public getKeyForObject(objectArg: T) {
+    let foundKey: string = null;
+    for (const keyArg of this.fastMap.getKeys()) {
+      if (!foundKey && this.fastMap.getByKey(keyArg) === objectArg) {
+        foundKey = keyArg;
+      } else {
+        continue;
+      }
+    }
+    return foundKey;
+  }
+
+  /**
+   * find object
+   */
+  public async find(findFunction: IObjectmapFindFunction<T>): Promise<T> {
+    return this.fastMap.find(findFunction);
+  }
+
+  public findSync(findFunction: IObjectmapFindFunctionSync<T>): T {
+    for (const keyArg of this.fastMap.getKeys()) {
+      if (findFunction(this.fastMap.getByKey(keyArg))) {
+        return this.getMappedUnique(keyArg);
+      }
+    }
+  }
+
+  /**
+   * finds a specific element and then removes it
+   */
+  public async findOneAndRemove(findFunction: IObjectmapFindFunction<T>): Promise<T> {
+    const foundElement = await this.find(findFunction);
+    if (foundElement) {
+      this.remove(foundElement);
+    }
+    return foundElement;
+  }
+  public findOneAndRemoveSync(findFunction: IObjectmapFindFunctionSync<T>): T {
+    const foundElement = this.findSync(findFunction);
+    if (foundElement) {
+      this.remove(foundElement);
+    }
+    return foundElement;
+  }
+
+  /**
+   * run function for each item in Objectmap
+   */
+  public async forEach(functionArg: IObjectmapForEachFunction<T>) {
+    for (const keyArg of this.fastMap.getKeys()) {
+      await functionArg(this.fastMap.getByKey(keyArg));
+    }
+  }
+
+  /**
+   * gets an object in the Observablemap and removes it, so it can't be retrieved again
+   */
+  public getOneAndRemove(): T {
+    const keys = this.fastMap.getKeys();
+    if (keys.length === 0) {
+      return null;
+    } else {
+      const keyToUse = keys[0];
+      const removedItem = this.fastMap.removeFromMap(keyToUse);
+      this.eventSubject.next({
+        operation: 'remove',
+        payload: removedItem,
+      });
+      return removedItem;
+    }
+  }
+
+  /**
+   * returns a cloned array of all the objects currently in the Objectmap
+   */
+  public getArray(): T[] {
+    const returnArray: any[] = [];
+    for (const keyArg of this.fastMap.getKeys()) {
+      returnArray.push(this.fastMap.getByKey(keyArg));
+    }
+    return returnArray;
+  }
+
+  /**
+   * check if Objectmap ist empty
+   */
+  public isEmpty(): boolean {
+    return this.fastMap.getKeys().length === 0;
+  }
+
+  /**
+   * remove object from Objectmap
+   */
+  public remove(objectArg: T): T {
+    if (this.checkForObject(objectArg)) {
+      const keyArg = this.getKeyForObject(objectArg);
+      const removedObject = this.fastMap.removeFromMap(keyArg);
+      this.eventSubject.next({
+        operation: 'remove',
+        payload: removedObject,
+      });
+      return removedObject;
+    }
+    return null;
+  }
+
+  /**
+   * wipe Objectmap
+   */
+  public wipe() {
+    for (const keyArg of this.fastMap.getKeys()) {
+      this.fastMap.removeFromMap(keyArg);
+    }
+  }
+
+  /**
+   * returns a new Objectmap that includes
+   */
+  public concat(objectMapArg: ObjectMap<T>) {
+    const concattedObjectMap = new ObjectMap<T>();
+    concattedObjectMap.fastMap.addAllFromOther(this.fastMap);
+    concattedObjectMap.fastMap.addAllFromOther(objectMapArg.fastMap);
+    return concattedObjectMap;
+  }
+
+  /**
+   * tries to merge another Objectmap
+   * Note: uniqueKeyCollisions will cause overwrite
+   * @param objectMapArg
+   */
+  public addAllFromOther(objectMapArg: ObjectMap<T>) {
+    this.fastMap.addAllFromOther(objectMapArg.fastMap);
+  }
+}