diff --git a/packages/react-error-overlay/src/utils/unmapper.js b/packages/react-error-overlay/src/utils/unmapper.js
index dc34af3265a..524b5258752 100644
--- a/packages/react-error-overlay/src/utils/unmapper.js
+++ b/packages/react-error-overlay/src/utils/unmapper.js
@@ -27,25 +27,6 @@ function count(search: string, string: string): number {
return count;
}
-function normalizePath(_path: string): string {
- // `path.normalize` cleans a file path, (e.g. /foo//baz/..//bar/ becomes
- // /foo/bar/).
- // The web version of this module only provides POSIX support, so Windows
- // paths like C:\foo\\baz\..\\bar\ cannot be normalized.
- // A simple solution to this is to replace all `\` with `/`, then normalize
- // afterwards.
- //
- // Note:
- // `path.normalize` supports POSIX forward slashes on Windows, but not the
- // other way around. Converting all backslashes to forward slashes before
- // normalizing makes this cross platform if it were isomorphic (used server
- // side).
- return path.normalize(
- // Match contiguous backslashes
- _path.replace(/[\\]+/g, '/')
- );
-}
-
/**
* Turns a set of mapped StackFrame
s back into their generated code position and enhances them with code.
* @param {string} fileUri The URI of the bundle.js
file.
@@ -75,7 +56,7 @@ async function unmap(
}
let { fileName } = frame;
if (fileName) {
- fileName = normalizePath(fileName);
+ fileName = path.normalize(fileName.replace(/[\\]+/g, '/'));
}
if (fileName == null) {
return frame;
@@ -83,7 +64,7 @@ async function unmap(
const fN: string = fileName;
const source = map
.getSources()
- .map(normalizePath)
+ .map(s => s.replace(/[\\]+/g, '/'))
.filter(p => {
p = path.normalize(p);
const i = p.lastIndexOf(fN);