Add changelog for fileChange and update fs -> file (#5713)

rogeliog · cpojer · commit 74bf072e4378 · 2018-03-04T12:10:05.000Z
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -34,6 +34,8 @@
 
 ### Chore & Maintenance
 
+* `[#5708]` Add fileChange hook for plugins
+  ([#5648](https://github.com/facebook/jest/pull/5708))
 * `[docs]` Add docs on using `jest.mock(...)`
   ([#5648](https://github.com/facebook/jest/pull/5648))
 
diff --git a/packages/jest-cli/src/jest_hooks.js b/packages/jest-cli/src/jest_hooks.js
@@ -14,12 +14,12 @@ type JestHookExposedFS = {
   projects: Array<{config: ProjectConfig, testPaths: Array<Path>}>,
 };
 
-type FsChange = (fs: JestHookExposedFS) => void;
+type FileChange = (fs: JestHookExposedFS) => void;
 type ShouldRunTestSuite = (testPath: string) => Promise<boolean>;
 type TestRunComplete = (results: AggregatedResult) => void;
 
 export type JestHookSubscriber = {
-  fileChange: (fn: FsChange) => void,
+  fileChange: (fn: FileChange) => void,
   shouldRunTestSuite: (fn: ShouldRunTestSuite) => void,
   testRunComplete: (fn: TestRunComplete) => void,
 };
@@ -32,7 +32,7 @@ export type JestHookEmitter = {
 
 class JestHooks {
   _listeners: {
-    fileChange: Array<FsChange>,
+    fileChange: Array<FileChange>,
     shouldRunTestSuite: Array<ShouldRunTestSuite>,
     testRunComplete: Array<TestRunComplete>,
   };
diff --git a/packages/jest-cli/src/watch.js b/packages/jest-cli/src/watch.js
@@ -154,7 +154,7 @@ export default function watch(
   let shouldDisplayWatchUsage = true;
   let isWatchUsageDisplayed = false;
 
-  const emitFsChange = () => {
+  const emitFileChange = () => {
     if (hooks.isUsed('fileChange')) {
       const projects = searchSources.map(({context, searchSource}) => ({
         config: context.config,
@@ -164,7 +164,7 @@ export default function watch(
     }
   };
 
-  emitFsChange();
+  emitFileChange();
 
   hasteMapInstances.forEach((hasteMapInstance, index) => {
     hasteMapInstance.on('change', ({eventsQueue, hasteFS, moduleMap}) => {
@@ -188,7 +188,7 @@ export default function watch(
           context,
           searchSource: new SearchSource(context),
         };
-        emitFsChange();
+        emitFileChange();
         startRun(globalConfig);
       }
     });
