feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

1 files changed, 8 insertions, 0 deletions

diff --git a/vanilla/node_modules/@jridgewell/trace-mapping/src/strip-filename.ts b/vanilla/node_modules/@jridgewell/trace-mapping/src/strip-filename.ts
new file mode 100644
index 0000000..2c88980
--- /dev/null
+++ b/vanilla/node_modules/@jridgewell/trace-mapping/src/strip-filename.ts
@@ -0,0 +1,8 @@
+/**
+ * Removes everything after the last "/", but leaves the slash.
+ */
+export default function stripFilename(path: string | undefined | null): string {
+  if (!path) return '';
+  const index = path.lastIndexOf('/');
+  return path.slice(0, index + 1);
+}