reaper-osc/dist/Notify.js

Controls Cockos Reaper using OSC

"use strict";
/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
/* eslint-disable @typescript-eslint/ban-types */
/* eslint-disable @typescript-eslint/no-explicit-any */
Object.defineProperty(exports, "__esModule", { value: true });
exports.notifyOnPropertyChanged = exports.notify = void 0;
const ste_simple_events_1 = require("ste-simple-events");
/**
 * Changes to the property will cause an event containing the name of the property to be fired by {@link INotifyPropertyChanged.onPropertyChanged}.
 * Initializing the property will trigger the event.
 *
 * @remarks
 * Requires {@link notifyOnPropertyChanged} decorator on the class
 *
 * @param overrideName Use to specify a different property name in the event. Useful for notifying changes to a get-only property from a change to a private backing file
 */
function notify(overrideName) {
    return (target, propertyKey) => {
        // Create a new prop to hold the value
        const valueKey = `_${propertyKey}Notify`;
        // Replace the decorated prop with getter/setter that handles the notifications
        Object.defineProperty(target, propertyKey, {
            set(value) {
                const oldValue = this[propertyKey];
                if (value === oldValue) {
                    return;
                }
                this[valueKey] = value;
                if (this._propertyChanged === undefined) {
                    return;
                }
                const propertyName = overrideName ? overrideName : propertyKey;
                this._propertyChanged.dispatch(propertyName);
            },
            get() {
                return this[valueKey];
            },
        });
    };
}
exports.notify = notify;
/**
 * Adds an implementation of {@link INotifyPropertyChanged.onPropertyChanged} to the class.
 *
 * @remarks
 * Use in conjunction with {@link INotifyPropertyChanged} and decorating properties with {@link notify}
 */
function notifyOnPropertyChanged(constructor) {
    return class extends constructor {
        constructor() {
            super(...arguments);
            this._propertyChanged = new ste_simple_events_1.SimpleEventDispatcher();
        }
        onPropertyChanged(property, callback) {
            return this._propertyChanged.sub(prop => {
                if (property === prop) {
                    callback();
                }
            });
        }
    };
}
exports.notifyOnPropertyChanged = notifyOnPropertyChanged;
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