weakref/script/iterable_weak_map.js

Extend built-in collections with weak references for efficient garbage collection and optimal performance in memory-intensive applications with IterableWeakSet, IterableWeakMap, and WeakValueMap.

"use strict";
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
    return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
var _IterableWeakMap_weakMap, _IterableWeakMap_set;
Object.defineProperty(exports, "__esModule", { value: true });
exports.IterableWeakMap = void 0;
const iterable_weak_set_js_1 = require("./iterable_weak_set.js");
class IterableWeakMap {
    constructor(iterable) {
        _IterableWeakMap_weakMap.set(this, new WeakMap());
        _IterableWeakMap_set.set(this, new iterable_weak_set_js_1.IterableWeakSet());
        for (const [key, value] of iterable ?? []) {
            this.set(key, value);
        }
    }
    get size() {
        return __classPrivateFieldGet(this, _IterableWeakMap_set, "f").size;
    }
    clear() {
        for (const key of __classPrivateFieldGet(this, _IterableWeakMap_set, "f")) {
            this.delete(key);
        }
    }
    delete(key) {
        const ref = __classPrivateFieldGet(this, _IterableWeakMap_weakMap, "f").get(key);
        if (ref) {
            __classPrivateFieldGet(this, _IterableWeakMap_weakMap, "f").delete(key);
            __classPrivateFieldGet(this, _IterableWeakMap_set, "f").delete(key);
            return true;
        }
        return false;
    }
    get(key) {
        return __classPrivateFieldGet(this, _IterableWeakMap_weakMap, "f").get(key);
    }
    has(key) {
        return __classPrivateFieldGet(this, _IterableWeakMap_weakMap, "f").has(key);
    }
    set(key, value) {
        __classPrivateFieldGet(this, _IterableWeakMap_weakMap, "f").set(key, value);
        __classPrivateFieldGet(this, _IterableWeakMap_set, "f").add(key);
        return this;
    }
    get [(_IterableWeakMap_weakMap = new WeakMap(), _IterableWeakMap_set = new WeakMap(), Symbol.toStringTag)]() {
        return "IterableWeakMap";
    }
    forEach(callbackfn, thisArg) {
        for (const [key, value] of this[Symbol.iterator]()) {
            callbackfn.call(thisArg, value, key, this);
        }
    }
    *[Symbol.iterator]() {
        for (const key of __classPrivateFieldGet(this, _IterableWeakMap_set, "f")) {
            yield [key, __classPrivateFieldGet(this, _IterableWeakMap_weakMap, "f").get(key)];
        }
    }
    entries() {
        return this[Symbol.iterator]();
    }
    keys() {
        return __classPrivateFieldGet(this, _IterableWeakMap_set, "f")[Symbol.iterator]();
    }
    *values() {
        for (const key of __classPrivateFieldGet(this, _IterableWeakMap_set, "f")) {
            yield __classPrivateFieldGet(this, _IterableWeakMap_weakMap, "f").get(key);
        }
    }
}
exports.IterableWeakMap = IterableWeakMap;