kr-observable/dist/esm/main/src/Action.handler.js

Adds reactivity power for your JavaScript

import { Admin } from './Admin.js';
import { Global } from './global.js';
export class ActionHandler {
    ctx;
    constructor(receiver) {
        this.ctx = receiver;
    }
    apply(target, _, args) {
        if (Global.action)
            return target.apply(this.ctx, args);
        Global.action = true;
        try {
            let result = target.apply(this.ctx, args);
            const thenable = result instanceof Promise;
            if (thenable) {
                result = result.then(ActionHandler.resolve, ActionHandler.reject);
            }
            ActionHandler.flush();
            Global.action = thenable;
            return result;
        }
        catch (e) {
            ActionHandler.reject(e);
        }
    }
    static flush() {
        Global.queue.forEach(Admin.batch);
        Global.queue.clear();
        Global.action = false;
    }
    static resolve(result) {
        ActionHandler.flush();
        return result;
    }
    static reject(error) {
        ActionHandler.flush();
        throw error;
    }
}