Normalize React source paths

Author: eps1lon

packages/react-client/src/__tests__/ReactFlight-test.js

@@ -10,6 +10,8 @@
 
 'use strict';
 
+const path = require('path');
+
 if (typeof Blob === 'undefined') {
   global.Blob = require('buffer').Blob;
 }
@@ -27,15 +29,23 @@ function normalizeCodeLocInfo(str) {
   );
 }
 
+const repoRoot = path.resolve(__dirname, '../../../../');
+function normalizeReactCodeLocInfo(str) {
+  const repoRootForRegexp = repoRoot.replace(/\//g, '\\/');
+  const repoFileLocMatch = new RegExp(`${repoRootForRegexp}.+?:\\d+:\\d+`, 'g');
+  return str && str.replace(repoFileLocMatch, '**');
+}
+
 // If we just use the original Error prototype, Jest will only display the error message if assertions fail.
 // But we usually want to also assert on expando properties or even the stack.
 // By hiding the fact from Jest that this is an error, it will show all enumerable properties on mismatch.
+
 function getErrorForJestMatcher(error) {
   return {
     ...error,
     // non-enumerable properties that are still relevant for testing
     message: error.message,
-    stack: error.stack,
+    stack: normalizeReactCodeLocInfo(error.stack),
   };
 }
 
@@ -1251,7 +1261,7 @@ describe('ReactFlight', () => {
             message: 'This is an error',
             stack: expect.stringContaining(
               'Error: This is an error\n' +
-                '    at eval (eval at testFunction (eval at createFakeFunction (/Users/sebbie/repos/react/packages/react-client/src/ReactFlightClient.js:1948:19), <anonymous>:1:35)\n' +
+                '    at eval (eval at testFunction (eval at createFakeFunction (**), <anonymous>:1:35)\n' +
                 '    at ServerComponentError (file://~/(some)(really)(exotic-directory)/ReactFlight-test.js:1166:19)\n' +
                 '    at (anonymous) (file:///testing.js:42:3)\n' +
                 '    at (anonymous) (file:///testing.js:42:3)\n',