@cute-dw/core
Version:
This TypeScript library is the main part of a more powerfull package designed for the fast WEB software development. The cornerstone of the library is the **DataStore** class, which might be useful when you need a full control of the data, but do not need
190 lines • 14.2 kB
JavaScript
var _a;
import { AbstractSet } from "./AbstractSet";
import { TreeMap } from "./TreeMap";
/**
* A `NavigableSet` implementation based on a `TreeMap`. The elements are ordered using their natural ordering, or
* by a `Comparator` provided at set creation time, depending on which constructor is used.
*/
export class TreeSet extends AbstractSet {
constructor(comparator) {
super();
/**
* @override
*/
this[_a] = "TreeSet";
this.tMap = new TreeMap(comparator);
}
/**
* @override
*/
get size() {
return this.tMap.size;
}
/**
* Gets a key comparator
*/
get comparator() {
return this.tMap.comparator;
}
/**
* @override
*/
append(key) {
return (this.tMap.put(key, null) !== undefined);
}
/**
* @override
*/
appendAll(collection) {
let nCount = 0;
if (collection) {
for (let el of collection) {
if (el != null && this.append(el)) {
nCount++;
}
}
}
return nCount > 0;
}
/**
* @override
*/
clone() {
const ts = new TreeSet(this.tMap.comparator);
ts.appendAll(this);
return ts;
}
/**
* @override
*/
clear() {
this.tMap.clear();
}
/**
* @override
*/
contains(key) {
return this.tMap.has(key);
}
/**
* Deletes the key/value pair from the collection. This method is the member of the JavaScript's `Set` interface.
* @param key The key value to remove mapping
* @returns _true_ if the mapping for the `key` was deleted, _false_ otherwise
* @see {@link remove}
*/
delete(key) {
return this.tMap.delete(key);
}
/**
* @override
*/
*entries() {
for (let key of this) {
yield [key, key];
}
}
/**
* @override
*/
forEach(callbackfn, thisArg) {
for (let key of this) {
callbackfn(key, key, this);
}
}
/**
* @override
*/
has(key) {
return this.tMap.has(key);
}
/**
* @override
*/
*keys() {
yield* this.tMap.keys();
}
/**
* @override
*/
*values() {
yield* this.tMap.keys();
}
/**
* @override
* @see {@link delete}
*/
remove(key) {
return this.tMap.remove(key) !== undefined;
}
/**
* @override
*/
*[(_a = Symbol.toStringTag, Symbol.iterator)]() {
for (let key of this.tMap.keys()) {
yield key;
}
}
/**
* @override
*/
first() {
return this.tMap.firstKey();
}
/**
* @override
*/
last() {
return this.tMap.lastKey();
}
/**
* @override
*/
ceiling(key) {
return this.tMap.ceilingKey(key);
}
/**
* @override
*/
floor(key) {
return this.tMap.floorKey(key);
}
/**
* @override
*/
higher(key) {
return this.tMap.higherKey(key);
}
/**
* @override
*/
lower(key) {
return this.tMap.lowerKey(key);
}
/**
* @override
*/
pollFirst() {
const key = this.first();
if (key !== undefined) {
this.delete(key);
}
return key;
}
/**
* @override
*/
pollLast() {
const key = this.last();
if (key !== undefined) {
this.delete(key);
}
return key;
}
/**
* @override
*/
toArray() {
return [...this.keys()];
}
}
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The elements are ordered using their natural ordering, or\r\n * by a `Comparator` provided at set creation time, depending on which constructor is used.\r\n */\r\nexport class TreeSet<K> extends AbstractSet<K> implements NavigableSet<K>, Cloneable {\r\n  private tMap: TreeMap<K, null>;\r\n\r\n  constructor(comparator?: Comparator<K>) {\r\n    super();\r\n    this.tMap = new TreeMap<K, null>(comparator);\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  get size(): number {\r\n    return this.tMap.size;\r\n  }\r\n  /**\r\n   * Gets a key comparator\r\n   */\r\n  get comparator(): Comparator<K> {\r\n    return this.tMap.comparator;\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  append(key: K): boolean {\r\n    return (this.tMap.put(key, null) !== undefined);\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  appendAll<E extends K>(collection: Collection<E>): boolean {\r\n    let nCount = 0;\r\n    if (collection) {\r\n      for (let el of collection) {\r\n        if (el != null && this.append(el)) {\r\n          nCount++;\r\n        }\r\n      }\r\n    }\r\n    return nCount > 0;\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  clone(): TreeSet<K> {\r\n    const ts = new TreeSet<K>(this.tMap.comparator);\r\n    ts.appendAll(this);\r\n    return ts;\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  clear(): void {\r\n    this.tMap.clear();\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  contains(key: K): boolean {\r\n    return this.tMap.has(key);\r\n  }\r\n  /**\r\n   * Deletes the key/value pair from the collection. This method is the member of the JavaScript's `Set` interface.\r\n   * @param key The key value to remove mapping\r\n   * @returns _true_ if the mapping for the  `key` was deleted, _false_ otherwise\r\n   * @see {@link remove}\r\n   */\r\n  delete(key: K): boolean {\r\n    return this.tMap.delete(key);\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  *entries(): IterableIterator<[K, K]> {\r\n    for (let key of this) {\r\n      yield [key, key];\r\n    }\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  forEach(callbackfn: (value: K, value2: K, set: Set<K>) => void, thisArg?: any): void {\r\n    for (let key of this) {\r\n      callbackfn(key, key, this);\r\n    }\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  has(key: K): boolean {\r\n    return this.tMap.has(key);\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  *keys(): IterableIterator<K> {\r\n    yield* this.tMap.keys();\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  *values(): IterableIterator<K> {\r\n    yield* this.tMap.keys();\r\n  }\r\n  /**\r\n   * @override\r\n   * @see {@link delete}\r\n   */\r\n  remove(key: K): boolean {\r\n    return this.tMap.remove(key) !== undefined;\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  [Symbol.toStringTag]: string = \"TreeSet\";\r\n  /**\r\n   * @override\r\n   */\r\n  *[Symbol.iterator](): IterableIterator<K> {\r\n    for (let key of this.tMap.keys()) {\r\n      yield key;\r\n    }\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  first(): K | undefined {\r\n    return this.tMap.firstKey();\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  last(): K | undefined {\r\n    return this.tMap.lastKey();\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  ceiling(key: K): K | undefined {\r\n    return this.tMap.ceilingKey(key);\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  floor(key: K): K | undefined {\r\n    return this.tMap.floorKey(key);\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  higher(key: K): K | undefined {\r\n    return this.tMap.higherKey(key);\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  lower(key: K): K | undefined {\r\n    return this.tMap.lowerKey(key);\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  pollFirst(): K | undefined {\r\n    const key = this.first();\r\n    if (key !== undefined) {\r\n      this.delete(key);\r\n    }\r\n    return key;\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  pollLast(): K | undefined {\r\n    const key = this.last();\r\n    if (key !== undefined) {\r\n      this.delete(key);\r\n    }\r\n    return key;\r\n  }\r\n  /**\r\n   * @override\r\n   */\r\n  toArray(): K[] {\r\n    return [...this.keys()];\r\n  }\r\n\r\n}\r\n"]}