mvdom/dist/ts-decorator-on-hub.js

deprecated - Moved to dom-native package

import { hub } from './hub';
const onHubEventByConstructor = new Map();
export function onHub(hubName, topic, label) {
    return function (target, propertyKey, descriptor) {
        const clazz = target.constructor;
        let onEvents = onHubEventByConstructor.get(clazz);
        if (onEvents == null) {
            onEvents = [];
            onHubEventByConstructor.set(clazz, onEvents);
        }
        const onEvent = {
            methodName: propertyKey,
            hubName,
            topic,
            label
        };
        onEvents.push(onEvent);
    };
}
export function bindOnHubDecorators() {
    let clazz = this.constructor;
    const topClazz = clazz;
    const fnNameBoundSet = new Set();
    const opts = { ...this._nsObj, ctx: this };
    while (clazz !== HTMLElement) {
        const onEvents = onHubEventByConstructor.get(clazz);
        if (onEvents) {
            for (const onEvent of onEvents) {
                const fnName = onEvent.methodName;
                if (!fnNameBoundSet.has(fnName)) {
                    const fn = this[fnName];
                    const h = hub(onEvent.hubName);
                    h.sub(onEvent.topic, onEvent.label, fn, opts);
                    fnNameBoundSet.add(fnName);
                }
            }
        }
        clazz = Object.getPrototypeOf(clazz);
    }
}
export function unbindOnHubDecorators() {
    let clazz = this.constructor;
    const fnNameBoundSet = new Set();
    const unboundHubNames = new Set();
    const nsObj = this._nsObj;
    while (clazz !== HTMLElement) {
        const onEvents = onHubEventByConstructor.get(clazz);
        if (onEvents) {
            for (const onEvent of onEvents) {
                const hubName = onEvent.hubName;
                const fnName = onEvent.methodName;
                if (!fnNameBoundSet.has(fnName) && !unboundHubNames.has(hubName)) {
                    const h = hub(hubName);
                    h.unsub(nsObj);
                    unboundHubNames.add(hubName);
                    fnNameBoundSet.add(fnName);
                }
            }
        }
        clazz = Object.getPrototypeOf(clazz);
    }
}
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