function setResolveSnapshotPath | Node.js node:test module | Bun

This function is used to set a custom resolver for the location of the snapshot file used for snapshot testing. By default, the snapshot filename is the same as the entry point filename with .snapshot appended.

A function used to compute the location of the snapshot file. The function receives the path of the test file as its only argument. If the test is not associated with a file (for example in the REPL), the input is undefined. fn() must return a string specifying the location of the snapshot file.