Jest forceExit (#211)

* adds a forceexit flag to make sure timeouts don't hang the runner

* Change files

change/just-scripts-2019-08-23-14-22-57-jest-force.json

@@ -0,0 +1,8 @@
+{
+  "type": "patch",
+  "comment": "adds a forceexit flag to make sure timeouts don't hang the runner",
+  "packageName": "just-scripts",
+  "email": "kchau@microsoft.com",
+  "commit": "1eaa0fd3bacc82c58d85dd02c53f3af5aa70eb79",
+  "date": "2019-08-23T21:22:57.600Z"
+}

packages/just-scripts/src/tasks/jestTask.ts

@@ -35,6 +35,8 @@ export function jestTask(options: JestTaskOptions = {}): TaskFunction {
         configFile,
         '--passWithNoTests',
         '--colors',
+        // This generates a warning from jest CLI, but it can be safely ignored
+        '--forceExit',
         ...(options.runInBand ? ['--runInBand'] : []),
         ...(options.coverage ? ['--coverage'] : []),
         ...(options.watch ? ['--watch'] : []),