Function __param

docs/app/js/sanddance-app.js:20205–20209

(paramIndex, decorator)

    return c > 3 && r && Object.defineProperty(target, key, r), r;
}
function __param(paramIndex, decorator) {
    return function(target, key) {
        decorator(target, key, paramIndex);
    };
}
function __metadata(metadataKey, metadataValue) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(metadataKey, metadataValue);
}