@domx/statecontroller/decorators.js

A StateController base class for handling data state changes on a LitElement

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
import { StateController } from "./StateController";
export const windowEvent = (eventClass, options) => (controllerClass, propertyKey) => eventDecorator("window", eventClass, controllerClass, propertyKey, options);
export const hostEvent = (eventClass, options) => (controllerClass, propertyKey) => eventDecorator("host", eventClass, controllerClass, propertyKey, options);
const eventDecorator = (eventTarget, eventClass, controllerClass, propertyKey, options) => {
    controllerClass.hostConnected = new Proxy(controllerClass.hostConnected, {
        apply: (hostConnected, thisArg, args) => {
            (eventTarget === "window" ? window : thisArg.host)
                .addEventListener(eventClass.eventType, (event) => __awaiter(void 0, void 0, void 0, function* () {
                if (!options || !options.capture === false) {
                    event.stopImmediatePropagation();
                }
                thisArg.refreshState();
                thisArg[propertyKey](event);
            }), {
                signal: thisArg.abortController.signal
            });
            return hostConnected.apply(thisArg);
        }
    });
};
export const stateProperty = () => (target, propertyKey) => {
    const ctor = target.constructor;
    if (ctor.stateProperties === StateController.stateProperties) {
        // shadow the static state properties field
        ctor.stateProperties = [];
    }
    ctor.stateProperties.push(propertyKey);
};
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