Make an assertion that actual and expected are equal, deeply. If not deeply equal, then throw.

Copies from src to dst until either EOF (null) is read from src or an error occurs. It resolves to the number of bytes copied or rejects with the first error encountered while copying.

Test whether or not the given path exists by checking with the file system

Create a Reader from a ReadableStreamDefaultReader.

Read strings line-by-line from a Reader.

Serves HTTP requests with the given handler.