@aurigma/design-atoms-model/Product/Decorators/PropertyChanged.js

Design Atoms is a part of Customer's Canvas SDK which allows for manipulating individual design elements through your code.

import { ArgumentException } from "../../Exception";
import { equals } from "../../Utils/Utils";
export function PropertyChanged() {
    return function (target, propertyKey) {
        var privatePropKey = "_" + propertyKey;
        Object.defineProperty(target, propertyKey, {
            "get": function () {
                return this[privatePropKey];
            },
            "set": function (value) {
                var _a;
                var type = typeof value;
                if (value != null && type !== "boolean" && type !== "number" && type !== "string" && !(type === "object" && typeof value.equals === "function"))
                    throw new ArgumentException("PropertyChanged decorator works only for simple types or objects with equals method");
                if (equals(this[privatePropKey], value))
                    return;
                this[privatePropKey] = value;
                ((_a = this["_propertyChanged"]) !== null && _a !== void 0 ? _a : this["propertyChanged"]).notify(this, propertyKey);
            },
            configurable: true,
            enumerable: true
        });
    };
}
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