kr-observable/dist/esm/main/src/Observable.map.js

Adds reactivity power for your JavaScript

import { Admin } from './Admin.js';
import { Global } from './global.js';
import { Utils } from './Utils.js';
function getKey(metaKey, key) {
    if (key == undefined)
        return `${metaKey}.${key}`;
    if (typeof key === 'object')
        return key;
    if (typeof key === 'symbol')
        return `${metaKey}.${key.description}`;
    return `${metaKey}.${key}`;
}
export class ObservableMap extends Map {
    get meta() {
        return Global.meta.get(this) || Admin.meta;
    }
    get size() {
        this.reportRead(`${this.meta.key}.keys`);
        return super.size;
    }
    reportRead(key) {
        Global.executor.report(this.meta.adm, key);
    }
    report(key, value) {
        this.meta.adm.report(getKey(this.meta.key, key), value);
    }
    keys() {
        this.reportRead(`${this.meta.key}.keys`);
        return super.keys();
    }
    entries() {
        this.reportRead(`${this.meta.key}.keys`);
        return super.entries();
    }
    values() {
        this.reportRead(`${this.meta.key}.keys`);
        return super.values();
    }
    forEach(callback, thisArg) {
        this.reportRead(`${this.meta.key}.keys`);
        return super.forEach(callback, thisArg);
    }
    [Symbol.iterator]() {
        this.reportRead(`${this.meta.key}.keys`);
        return super[Symbol.iterator]();
    }
    has(key) {
        this.reportRead(getKey(this.meta.key, key));
        return super.has(key);
    }
    get(key) {
        this.reportRead(getKey(this.meta.key, key));
        return super.get(key);
    }
    set(key, value) {
        let newValue = value;
        if (this.meta.factory) {
            if (!Utils.isPrimitive(newValue)) {
                newValue = this.meta.factory(this.meta.key, value, this.meta.handler);
            }
        }
        const hasKey = super.has(key);
        const prevValue = super.get(key);
        const result = super.set(key, newValue);
        if (!hasKey)
            this.meta.adm.report(`${this.meta.key}.keys`, this);
        if (prevValue !== newValue)
            this.report(key, value);
        return result;
    }
    delete(key) {
        const result = super.delete(key);
        if (result) {
            this.report(key);
            this.meta.adm.report(`${this.meta.key}.keys`, this);
        }
        return result;
    }
    clear() {
        if (super.size === 0)
            return;
        const key = this.meta.key;
        for (const _key of this.keys()) {
            this.meta.adm.report(getKey(key, _key), undefined);
        }
        super.clear();
        this.meta.adm.report(`${this.meta.key}.keys`, this);
    }
}