Optional
Reads the HTML at an absolute path, or returns undefined if it can't be read (in which case the import is left untouched). Defaults to a synchronous disk read; injectable for tests / virtual filesystems.
undefined
Reads the HTML at an absolute path, or returns
undefinedif it can't be read (in which case the import is left untouched). Defaults to a synchronous disk read; injectable for tests / virtual filesystems.