Fixes things

Author: Maël Nison

packages/jest-haste-map/src/crawlers/__tests__/watchman.test.js

@@ -192,21 +192,24 @@ describe('watchman watch', () => {
 
     return watchmanCrawl({
       data: {
-        clocks: Object.create(null),
-        files: Object.create(null),
+        clocks: new Map(),
+        files: new Map(),
       },
       extensions: ['js', 'json', 'zip'],
       ignore: pearMatcher,
       mapper: n =>
         n.endsWith('.zip')
           ? [path.join(n, 'foo.1.js'), path.join(n, 'foo.2.js')]
           : null,
+      rootDir: ROOT_MOCK,
       roots: ROOTS,
     }).then(data => {
-      expect(data.files).toEqual({
-        [path.join(DURIAN_RELATIVE, 'foo.1.js')]: ['', 33, 0, [], null],
-        [path.join(DURIAN_RELATIVE, 'foo.2.js')]: ['', 33, 0, [], null],
-      });
+      expect(data.files).toEqual(
+        createMap({
+          [path.join(DURIAN_RELATIVE, 'foo.1.js')]: ['', 33, 0, [], null],
+          [path.join(DURIAN_RELATIVE, 'foo.2.js')]: ['', 33, 0, [], null],
+        }),
+      );
     });
   });
 

packages/jest-haste-map/src/crawlers/watchman.js

@@ -184,13 +184,13 @@ module.exports = async function watchmanCrawl(
         const existingFileData = data.files.get(relativeFilePath);
         let nextData;
 
-        const isOld = existingFileData && existingFileData[H.MTIME] === mtime;
-        const hasChanged =
-          existingFileData && sha1hex && existingFileData[H.SHA1] === sha1hex;
-
-        if (existingFileData && isOld) {
+        if (existingFileData && existingFileData[H.MTIME] === mtime) {
           nextData = existingFileData;
-        } else if (existingFileData && !hasChanged) {
+        } else if (
+          existingFileData &&
+          sha1hex &&
+          existingFileData[H.SHA1] === sha1hex
+        ) {
           nextData = [...existingFileData];
           nextData[1] = mtime;
         } else {
@@ -205,7 +205,7 @@ module.exports = async function watchmanCrawl(
             if (!ignore(absoluteVirtualFilePath)) {
               const relativeVirtualFilePath = fastPath.relative(
                 rootDir,
-                filePath,
+                absoluteVirtualFilePath,
               );
               files.set(relativeVirtualFilePath, nextData);
             }