Łukasz Godziejewski

performance.measure() overloads instead of optional arguments

1

Hey there according to [MDN Docs](https://developer.mozilla.org/en-US/docs/Web/API/Performance/measure#syntax), the `performance.measure()` fn has 4 different argument sets (overloads) - the current typing suggests only one and marks some of the args as optional....

fix incorrect import path in copy + preserveModules mode

1

## Description When using copy + preserveModules, the final import path was incorrect: e.g. dir structure: ``` src components ComponentA ComponentA.js assets fancy-asset.svg ``` so the original import was `./assets/fancy-asset.svg`...