mframejs/dist/esm/binding/array/arrayObserverHandler.js

simple framework

import { ClassArrayObserverCreator } from './classArrayObserverCreator';
export class ArrayObserverHandler {
    constructor(expression, listener) {
        this.expression = expression;
        this.listener = listener;
        this.expression = expression;
        this.listener = listener;
    }
    bind(context) {
        this.observing = true;
        this.context = context;
        ClassArrayObserverCreator.create(this.context, this.expression, this);
    }
    update(data) {
        if (this.listener) {
            this.listener.call(data);
        }
        this.bind(this.context);
    }
    unbind() {
        if (this.observing) {
            ClassArrayObserverCreator.remove(this.context, this.expression, this);
        }
        this.listener.caller = null;
        this.listener = null;
        this.observing = false;
        this.context = null;
        this.expression = null;
    }
}
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