1// @target: es5 2// @importHelpers: true 3// @isolatedModules: true 4// @noTypesAndSymbols: true 5// @noEmit: true 6// @filename: main.ts 7 8export {}; 9const k = [1, , 2]; 10const o = [3, ...k, 4]; 11 12// @filename: tslib.d.ts 13// this is a pre-TS4.4 versions of emit helper, which always forced array packing 14declare module "tslib" { 15 function __spreadArray(to: any[], from: any[]): any[]; 16} 17