From 1188a85a01377c69c2f97293ab337cfd48b72854 Mon Sep 17 00:00:00 2001
From: Recca Tsai <recca0120@gmail.com>
Date: Sat, 16 Sep 2017 23:34:37 +0800
Subject: [PATCH 01/17] --showConfig to show all project configs #4078

---
 packages/jest-editor-support/src/Settings.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/jest-editor-support/src/Settings.js b/packages/jest-editor-support/src/Settings.js
index 7d5a747011ba..4426763aec68 100644
--- a/packages/jest-editor-support/src/Settings.js
+++ b/packages/jest-editor-support/src/Settings.js
@@ -61,13 +61,13 @@ export default class Settings extends EventEmitter {
     ]);
 
     this.getConfigProcess.stdout.on('data', (data: Buffer) => {
-      const {config, version} = JSON.parse(data.toString());
+      const {configs, version} = JSON.parse(data.toString());
       // We can give warnings to versions under 17 now
       // See https://github.com/facebook/jest/issues/2343 for moving this into
       // the config object
 
       this.jestVersionMajor = parseInt(version.split('.').shift(), 10);
-      this.settings = config;
+      this.settings = configs[0];
     });
 
     // They could have an older build of Jest which

From 3941ce2e4de1876bd1aefdd715f51dc83ce730df Mon Sep 17 00:00:00 2001
From: Recca Tsai <recca0120@gmail.com>
Date: Sun, 17 Sep 2017 00:02:51 +0800
Subject: [PATCH 02/17] return configs

---
 packages/jest-editor-support/src/__tests__/settings.test.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/jest-editor-support/src/__tests__/settings.test.js b/packages/jest-editor-support/src/__tests__/settings.test.js
index bff0eef30faa..81ff24853a18 100644
--- a/packages/jest-editor-support/src/__tests__/settings.test.js
+++ b/packages/jest-editor-support/src/__tests__/settings.test.js
@@ -35,9 +35,9 @@ describe('Settings', () => {
       1000,
     );
     const completed = jest.fn();
-    const config = {cacheDirectory: '/tmp/jest', name: '[md5 hash]'};
+    const configs = [{cacheDirectory: '/tmp/jest', name: '[md5 hash]'}];
     const json = {
-      config,
+      configs,
       version: '19.0.0',
     };
 
@@ -53,7 +53,7 @@ describe('Settings', () => {
 
     expect(completed).toHaveBeenCalled();
     expect(settings.jestVersionMajor).toBe(19);
-    expect(settings.settings).toEqual(config);
+    expect(settings.settings).toEqual(configs[0]);
   });
 
   it('calls callback even if no data is sent', () => {

From b3932f5e23f3dd2d8b350ed71f3709d4a9c1c178 Mon Sep 17 00:00:00 2001
From: Recca Tsai <recca0120@gmail.com>
Date: Sun, 17 Sep 2017 02:08:02 +0800
Subject: [PATCH 03/17] new method getConfigs

---
 packages/jest-editor-support/src/Settings.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/packages/jest-editor-support/src/Settings.js b/packages/jest-editor-support/src/Settings.js
index 4426763aec68..75f77108ad02 100644
--- a/packages/jest-editor-support/src/Settings.js
+++ b/packages/jest-editor-support/src/Settings.js
@@ -55,7 +55,7 @@ export default class Settings extends EventEmitter {
     };
   }
 
-  getConfig(completed: any) {
+  getConfigs(completed: any) {
     this.getConfigProcess = this._createProcess(this.workspace, [
       '--showConfig',
     ]);
@@ -67,7 +67,7 @@ export default class Settings extends EventEmitter {
       // the config object
 
       this.jestVersionMajor = parseInt(version.split('.').shift(), 10);
-      this.settings = configs[0];
+      this.settings = configs;
     });
 
     // They could have an older build of Jest which
@@ -76,4 +76,10 @@ export default class Settings extends EventEmitter {
       completed();
     });
   }
+
+  getConfig(completed: any) {
+    this.getConfigs(() => {
+      this.settings = this.settings[0];
+    })
+  }
 }

From 19912a6607d993674ad19c87616dcda4139a1081 Mon Sep 17 00:00:00 2001
From: Recca Tsai <recca0120@gmail.com>
Date: Sun, 17 Sep 2017 02:11:07 +0800
Subject: [PATCH 04/17] new method getConfigs

---
 .../src/__tests__/settings.test.js            | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/packages/jest-editor-support/src/__tests__/settings.test.js b/packages/jest-editor-support/src/__tests__/settings.test.js
index 81ff24853a18..f4fa01446b6c 100644
--- a/packages/jest-editor-support/src/__tests__/settings.test.js
+++ b/packages/jest-editor-support/src/__tests__/settings.test.js
@@ -26,6 +26,35 @@ describe('Settings', () => {
     expect(settings.workspace).toEqual(workspace);
     expect(settings.settings).toEqual(expect.any(Object));
   });
+  
+  it('reads and parses the configs', () => {
+    const workspace = new ProjectWorkspace(
+      'root_path',
+      'path_to_jest',
+      'test',
+      1000,
+    );
+    const completed = jest.fn();
+    const configs = [{cacheDirectory: '/tmp/jest', name: '[md5 hash]'}];
+    const json = {
+      configs,
+      version: '19.0.0',
+    };
+
+    const mockProcess: any = new EventEmitter();
+    mockProcess.stdout = new EventEmitter();
+    const createProcess = () => mockProcess;
+    const buffer = makeBuffer(JSON.stringify(json));
+    const settings = new Settings(workspace, {createProcess});
+
+    settings.getConfigs(completed);
+    settings.getConfigProcess.stdout.emit('data', buffer);
+    settings.getConfigProcess.emit('close');
+
+    expect(completed).toHaveBeenCalled();
+    expect(settings.jestVersionMajor).toBe(19);
+    expect(settings.settings).toEqual(configs);
+  });
 
   it('reads and parses the config', () => {
     const workspace = new ProjectWorkspace(

From fd4be030feab0c28c38e3631bf0ecafddc7d4fcd Mon Sep 17 00:00:00 2001
From: Recca Tsai <recca0120@gmail.com>
Date: Sun, 17 Sep 2017 02:13:24 +0800
Subject: [PATCH 05/17] call completed

---
 packages/jest-editor-support/src/Settings.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/jest-editor-support/src/Settings.js b/packages/jest-editor-support/src/Settings.js
index 75f77108ad02..ca2c7f1ce2c2 100644
--- a/packages/jest-editor-support/src/Settings.js
+++ b/packages/jest-editor-support/src/Settings.js
@@ -80,6 +80,7 @@ export default class Settings extends EventEmitter {
   getConfig(completed: any) {
     this.getConfigs(() => {
       this.settings = this.settings[0];
-    })
+      completed();
+    });
   }
 }

From 6a1aa10b6fe5f50981a1e49f37bc18520a004c61 Mon Sep 17 00:00:00 2001
From: recca0120 <recca0120@gmail.com>
Date: Thu, 28 Sep 2017 10:43:01 +0800
Subject: [PATCH 06/17] eslint

---
 packages/jest-editor-support/src/__tests__/settings.test.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/jest-editor-support/src/__tests__/settings.test.js b/packages/jest-editor-support/src/__tests__/settings.test.js
index f4fa01446b6c..e2bd2cbad002 100644
--- a/packages/jest-editor-support/src/__tests__/settings.test.js
+++ b/packages/jest-editor-support/src/__tests__/settings.test.js
@@ -26,7 +26,7 @@ describe('Settings', () => {
     expect(settings.workspace).toEqual(workspace);
     expect(settings.settings).toEqual(expect.any(Object));
   });
-  
+
   it('reads and parses the configs', () => {
     const workspace = new ProjectWorkspace(
       'root_path',

From 586bd80161dc654649cb4d19202ca76a30592dd0 Mon Sep 17 00:00:00 2001
From: recca0120 <recca0120@gmail.com>
Date: Sun, 1 Oct 2017 13:06:46 +0800
Subject: [PATCH 07/17] support jest 20

---
 packages/jest-editor-support/src/Settings.js  |  2 +-
 .../src/__tests__/settings.test.js            | 27 ++++++++++---------
 2 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/packages/jest-editor-support/src/Settings.js b/packages/jest-editor-support/src/Settings.js
index 36f93e98d283..c77be238f813 100644
--- a/packages/jest-editor-support/src/Settings.js
+++ b/packages/jest-editor-support/src/Settings.js
@@ -78,7 +78,7 @@ export default class Settings extends EventEmitter {
 
   getConfig(completed: any) {
     this.getConfigs(() => {
-      this.settings = this.settings[0];
+      this.settings = this.settings[0] || this.settings;
       completed();
     });
   }
diff --git a/packages/jest-editor-support/src/__tests__/settings.test.js b/packages/jest-editor-support/src/__tests__/settings.test.js
index 90ad492eea94..57125002cda7 100644
--- a/packages/jest-editor-support/src/__tests__/settings.test.js
+++ b/packages/jest-editor-support/src/__tests__/settings.test.js
@@ -1,8 +1,9 @@
 /**
  * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @flow
  */
@@ -26,7 +27,7 @@ describe('Settings', () => {
     expect(settings.settings).toEqual(expect.any(Object));
   });
 
-  it('reads and parses the configs', () => {
+  it('[jest 20] reads and parses the config', () => {
     const workspace = new ProjectWorkspace(
       'root_path',
       'path_to_jest',
@@ -34,9 +35,9 @@ describe('Settings', () => {
       1000,
     );
     const completed = jest.fn();
-    const configs = [{cacheDirectory: '/tmp/jest', name: '[md5 hash]'}];
+    const config = {cacheDirectory: '/tmp/jest', name: '[md5 hash]'};
     const json = {
-      configs,
+      config,
       version: '19.0.0',
     };
 
@@ -46,16 +47,16 @@ describe('Settings', () => {
     const buffer = makeBuffer(JSON.stringify(json));
     const settings = new Settings(workspace, {createProcess});
 
-    settings.getConfigs(completed);
+    settings.getConfig(completed);
     settings.getConfigProcess.stdout.emit('data', buffer);
     settings.getConfigProcess.emit('close');
 
     expect(completed).toHaveBeenCalled();
     expect(settings.jestVersionMajor).toBe(19);
-    expect(settings.settings).toEqual(configs);
+    expect(settings.settings).toEqual(config);
   });
-
-  it('reads and parses the config', () => {
+  
+  it('[jest 21] reads and parses the configs', () => {
     const workspace = new ProjectWorkspace(
       'root_path',
       'path_to_jest',
@@ -66,7 +67,7 @@ describe('Settings', () => {
     const configs = [{cacheDirectory: '/tmp/jest', name: '[md5 hash]'}];
     const json = {
       configs,
-      version: '19.0.0',
+      version: '.0.0',
     };
 
     const mockProcess: any = new EventEmitter();
@@ -75,13 +76,13 @@ describe('Settings', () => {
     const buffer = makeBuffer(JSON.stringify(json));
     const settings = new Settings(workspace, {createProcess});
 
-    settings.getConfig(completed);
+    settings.getConfigs(completed);
     settings.getConfigProcess.stdout.emit('data', buffer);
     settings.getConfigProcess.emit('close');
 
     expect(completed).toHaveBeenCalled();
     expect(settings.jestVersionMajor).toBe(19);
-    expect(settings.settings).toEqual(configs[0]);
+    expect(settings.settings).toEqual(configs);
   });
 
   it('calls callback even if no data is sent', () => {
@@ -112,4 +113,4 @@ const makeBuffer = (content: string) => {
   }
 
   return new Buffer(content);
-};
+};
\ No newline at end of file

From 60f29c7a0268b679eb290958dfc710d537690eba Mon Sep 17 00:00:00 2001
From: recca0120 <recca0120@gmail.com>
Date: Sun, 1 Oct 2017 13:19:10 +0800
Subject: [PATCH 08/17] lint

---
 packages/jest-editor-support/src/__tests__/settings.test.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/jest-editor-support/src/__tests__/settings.test.js b/packages/jest-editor-support/src/__tests__/settings.test.js
index 57125002cda7..40b4d1f6c2fb 100644
--- a/packages/jest-editor-support/src/__tests__/settings.test.js
+++ b/packages/jest-editor-support/src/__tests__/settings.test.js
@@ -55,7 +55,7 @@ describe('Settings', () => {
     expect(settings.jestVersionMajor).toBe(19);
     expect(settings.settings).toEqual(config);
   });
-  
+
   it('[jest 21] reads and parses the configs', () => {
     const workspace = new ProjectWorkspace(
       'root_path',
@@ -113,4 +113,4 @@ const makeBuffer = (content: string) => {
   }
 
   return new Buffer(content);
-};
\ No newline at end of file
+};

From d89539990d5a8ac1b14dc7b91bedb22a92a939ef Mon Sep 17 00:00:00 2001
From: recca0120 <recca0120@gmail.com>
Date: Sun, 1 Oct 2017 13:21:01 +0800
Subject: [PATCH 09/17] version

---
 packages/jest-editor-support/src/__tests__/settings.test.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/jest-editor-support/src/__tests__/settings.test.js b/packages/jest-editor-support/src/__tests__/settings.test.js
index 40b4d1f6c2fb..485e2a3d1af4 100644
--- a/packages/jest-editor-support/src/__tests__/settings.test.js
+++ b/packages/jest-editor-support/src/__tests__/settings.test.js
@@ -67,7 +67,7 @@ describe('Settings', () => {
     const configs = [{cacheDirectory: '/tmp/jest', name: '[md5 hash]'}];
     const json = {
       configs,
-      version: '.0.0',
+      version: '21.0.0',
     };
 
     const mockProcess: any = new EventEmitter();

From c834608f1d35292fddc635be9e67eea553e112aa Mon Sep 17 00:00:00 2001
From: recca0120 <recca0120@gmail.com>
Date: Sun, 1 Oct 2017 13:49:25 +0800
Subject: [PATCH 10/17] getConfig for jest21

---
 packages/jest-editor-support/src/Settings.js  |  4 ++-
 .../src/__tests__/settings.test.js            | 31 ++++++++++++++++++-
 2 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/packages/jest-editor-support/src/Settings.js b/packages/jest-editor-support/src/Settings.js
index c77be238f813..a46ca0826f6c 100644
--- a/packages/jest-editor-support/src/Settings.js
+++ b/packages/jest-editor-support/src/Settings.js
@@ -78,7 +78,9 @@ export default class Settings extends EventEmitter {
 
   getConfig(completed: any) {
     this.getConfigs(() => {
-      this.settings = this.settings[0] || this.settings;
+	  if (this.jestVersionMajor >= 21) {
+	    this.settings = this.settings[0];	
+	  }
       completed();
     });
   }
diff --git a/packages/jest-editor-support/src/__tests__/settings.test.js b/packages/jest-editor-support/src/__tests__/settings.test.js
index 485e2a3d1af4..d28dd45c4bd8 100644
--- a/packages/jest-editor-support/src/__tests__/settings.test.js
+++ b/packages/jest-editor-support/src/__tests__/settings.test.js
@@ -56,6 +56,35 @@ describe('Settings', () => {
     expect(settings.settings).toEqual(config);
   });
 
+  it('[jest 21] reads and parses the config', () => {
+    const workspace = new ProjectWorkspace(
+      'root_path',
+      'path_to_jest',
+      'test',
+      1000,
+    );
+    const completed = jest.fn();
+    const configs = [{cacheDirectory: '/tmp/jest', name: '[md5 hash]'}];
+    const json = {
+      configs,
+      version: '21.0.0',
+    };
+
+    const mockProcess: any = new EventEmitter();
+    mockProcess.stdout = new EventEmitter();
+    const createProcess = () => mockProcess;
+    const buffer = makeBuffer(JSON.stringify(json));
+    const settings = new Settings(workspace, {createProcess});
+
+    settings.getConfig(completed);
+    settings.getConfigProcess.stdout.emit('data', buffer);
+    settings.getConfigProcess.emit('close');
+
+    expect(completed).toHaveBeenCalled();
+    expect(settings.jestVersionMajor).toBe(21);
+    expect(settings.settings).toEqual(configs[0]);
+  });
+
   it('[jest 21] reads and parses the configs', () => {
     const workspace = new ProjectWorkspace(
       'root_path',
@@ -81,7 +110,7 @@ describe('Settings', () => {
     settings.getConfigProcess.emit('close');
 
     expect(completed).toHaveBeenCalled();
-    expect(settings.jestVersionMajor).toBe(19);
+    expect(settings.jestVersionMajor).toBe(21);
     expect(settings.settings).toEqual(configs);
   });
 

From c14d2db453790f17bab0e2047bae7d2f9b413173 Mon Sep 17 00:00:00 2001
From: recca0120 <recca0120@gmail.com>
Date: Sun, 1 Oct 2017 13:54:19 +0800
Subject: [PATCH 11/17] lint

---
 packages/jest-editor-support/src/Settings.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/jest-editor-support/src/Settings.js b/packages/jest-editor-support/src/Settings.js
index a46ca0826f6c..9599b2edc394 100644
--- a/packages/jest-editor-support/src/Settings.js
+++ b/packages/jest-editor-support/src/Settings.js
@@ -78,9 +78,9 @@ export default class Settings extends EventEmitter {
 
   getConfig(completed: any) {
     this.getConfigs(() => {
-	  if (this.jestVersionMajor >= 21) {
-	    this.settings = this.settings[0];	
-	  }
+      if (this.jestVersionMajor >= 21) {
+        this.settings = this.settings[0];
+      }
       completed();
     });
   }

From 4e87ff7f5c09ddac7932045d6a68c872189c7e05 Mon Sep 17 00:00:00 2001
From: recca0120 <recca0120@gmail.com>
Date: Sun, 1 Oct 2017 17:44:58 +0800
Subject: [PATCH 12/17] fix jest20 bug

---
 packages/jest-editor-support/src/Settings.js | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/packages/jest-editor-support/src/Settings.js b/packages/jest-editor-support/src/Settings.js
index 9599b2edc394..837c8d862caf 100644
--- a/packages/jest-editor-support/src/Settings.js
+++ b/packages/jest-editor-support/src/Settings.js
@@ -60,13 +60,12 @@ export default class Settings extends EventEmitter {
     ]);
 
     this.getConfigProcess.stdout.on('data', (data: Buffer) => {
-      const {configs, version} = JSON.parse(data.toString());
-      // We can give warnings to versions under 17 now
+      const settings = JSON.parse(data.toString());
+      this.jestVersionMajor = parseInt(settings.version.split('.').shift(), 10);
+	  // We can give warnings to versions under 17 now
       // See https://github.com/facebook/jest/issues/2343 for moving this into
       // the config object
-
-      this.jestVersionMajor = parseInt(version.split('.').shift(), 10);
-      this.settings = configs;
+      this.settings = this.jestVersionMajor >= 21 ? settings.configs : [settings.config]
     });
 
     // They could have an older build of Jest which
@@ -78,9 +77,7 @@ export default class Settings extends EventEmitter {
 
   getConfig(completed: any) {
     this.getConfigs(() => {
-      if (this.jestVersionMajor >= 21) {
-        this.settings = this.settings[0];
-      }
+      this.settings = this.settings[0];
       completed();
     });
   }

From 531ec08c961c648a17a23a5c492f2f6bd9c40692 Mon Sep 17 00:00:00 2001
From: recca0120 <recca0120@gmail.com>
Date: Sun, 1 Oct 2017 17:54:44 +0800
Subject: [PATCH 13/17] fix bug

---
 packages/jest-editor-support/src/Settings.js               | 7 ++-----
 .../jest-editor-support/src/__tests__/settings.test.js     | 5 ++---
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/packages/jest-editor-support/src/Settings.js b/packages/jest-editor-support/src/Settings.js
index 837c8d862caf..8183cdca621e 100644
--- a/packages/jest-editor-support/src/Settings.js
+++ b/packages/jest-editor-support/src/Settings.js
@@ -65,7 +65,7 @@ export default class Settings extends EventEmitter {
 	  // We can give warnings to versions under 17 now
       // See https://github.com/facebook/jest/issues/2343 for moving this into
       // the config object
-      this.settings = this.jestVersionMajor >= 21 ? settings.configs : [settings.config]
+      this.settings = this.jestVersionMajor >= 21 ? settings.configs : settings.config
     });
 
     // They could have an older build of Jest which
@@ -76,9 +76,6 @@ export default class Settings extends EventEmitter {
   }
 
   getConfig(completed: any) {
-    this.getConfigs(() => {
-      this.settings = this.settings[0];
-      completed();
-    });
+    this.getConfigs(completed);
   }
 }
diff --git a/packages/jest-editor-support/src/__tests__/settings.test.js b/packages/jest-editor-support/src/__tests__/settings.test.js
index d28dd45c4bd8..50fe30ec218f 100644
--- a/packages/jest-editor-support/src/__tests__/settings.test.js
+++ b/packages/jest-editor-support/src/__tests__/settings.test.js
@@ -1,9 +1,8 @@
 /**
  * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
  *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
  *
  * @flow
  */

From 7956948490692f2d915e2f7b013559f4018df2b1 Mon Sep 17 00:00:00 2001
From: recca0120 <recca0120@gmail.com>
Date: Sun, 1 Oct 2017 18:02:18 +0800
Subject: [PATCH 14/17] lint

---
 packages/jest-editor-support/src/Settings.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/jest-editor-support/src/Settings.js b/packages/jest-editor-support/src/Settings.js
index 8183cdca621e..35f7a3537c9f 100644
--- a/packages/jest-editor-support/src/Settings.js
+++ b/packages/jest-editor-support/src/Settings.js
@@ -62,10 +62,11 @@ export default class Settings extends EventEmitter {
     this.getConfigProcess.stdout.on('data', (data: Buffer) => {
       const settings = JSON.parse(data.toString());
       this.jestVersionMajor = parseInt(settings.version.split('.').shift(), 10);
-	  // We can give warnings to versions under 17 now
+      // We can give warnings to versions under 17 now
       // See https://github.com/facebook/jest/issues/2343 for moving this into
       // the config object
-      this.settings = this.jestVersionMajor >= 21 ? settings.configs : settings.config
+      this.settings =
+        this.jestVersionMajor >= 21 ? settings.configs : settings.config;
     });
 
     // They could have an older build of Jest which

From 024719fd294ca96ad671b7d9b32992b4802c0653 Mon Sep 17 00:00:00 2001
From: recca0120 <recca0120@gmail.com>
Date: Sun, 1 Oct 2017 18:15:59 +0800
Subject: [PATCH 15/17] add type ConfigRepresentations

---
 packages/jest-editor-support/src/Settings.js | 21 +++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/packages/jest-editor-support/src/Settings.js b/packages/jest-editor-support/src/Settings.js
index 35f7a3537c9f..44bfdef5bbca 100644
--- a/packages/jest-editor-support/src/Settings.js
+++ b/packages/jest-editor-support/src/Settings.js
@@ -32,6 +32,8 @@ type ConfigRepresentation = {
   testMatch: Array<Glob>,
 };
 
+type ConfigRepresentations = Array<ConfigRepresentation>;
+
 export default class Settings extends EventEmitter {
   getConfigProcess: ChildProcess;
   jestVersionMajor: number | null;
@@ -39,7 +41,7 @@ export default class Settings extends EventEmitter {
     workspace: ProjectWorkspace,
     args: Array<string>,
   ) => ChildProcess;
-  settings: ConfigRepresentation;
+  settings: ConfigRepresentations;
   workspace: ProjectWorkspace;
 
   constructor(workspace: ProjectWorkspace, options?: Options) {
@@ -48,10 +50,12 @@ export default class Settings extends EventEmitter {
     this._createProcess = (options && options.createProcess) || createProcess;
 
     // Defaults for a Jest project
-    this.settings = {
-      testMatch: ['**/__tests__/**/*.js?(x)', '**/?(*.)(spec|test).js?(x)'],
-      testRegex: '(/__tests__/.*|\\.(test|spec))\\.jsx?$',
-    };
+    this.settings = [
+      {
+        testMatch: ['**/__tests__/**/*.js?(x)', '**/?(*.)(spec|test).js?(x)'],
+        testRegex: '(/__tests__/.*|\\.(test|spec))\\.jsx?$',
+      },
+    ];
   }
 
   getConfigs(completed: any) {
@@ -66,7 +70,7 @@ export default class Settings extends EventEmitter {
       // See https://github.com/facebook/jest/issues/2343 for moving this into
       // the config object
       this.settings =
-        this.jestVersionMajor >= 21 ? settings.configs : settings.config;
+        this.jestVersionMajor >= 21 ? settings.configs : [settings.config];
     });
 
     // They could have an older build of Jest which
@@ -77,6 +81,9 @@ export default class Settings extends EventEmitter {
   }
 
   getConfig(completed: any) {
-    this.getConfigs(completed);
+    this.getConfigs(() => {
+      this.settings = this.settings[0];
+      completed();
+    });
   }
 }

From f9c690af81da655fa0e50a6dac289ad40322f749 Mon Sep 17 00:00:00 2001
From: recca0120 <recca0120@gmail.com>
Date: Sun, 1 Oct 2017 18:22:23 +0800
Subject: [PATCH 16/17] remove ConfigRepresentations

---
 packages/jest-editor-support/src/Settings.js | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/packages/jest-editor-support/src/Settings.js b/packages/jest-editor-support/src/Settings.js
index 44bfdef5bbca..7e6b6c8a45fd 100644
--- a/packages/jest-editor-support/src/Settings.js
+++ b/packages/jest-editor-support/src/Settings.js
@@ -32,8 +32,6 @@ type ConfigRepresentation = {
   testMatch: Array<Glob>,
 };
 
-type ConfigRepresentations = Array<ConfigRepresentation>;
-
 export default class Settings extends EventEmitter {
   getConfigProcess: ChildProcess;
   jestVersionMajor: number | null;
@@ -41,7 +39,7 @@ export default class Settings extends EventEmitter {
     workspace: ProjectWorkspace,
     args: Array<string>,
   ) => ChildProcess;
-  settings: ConfigRepresentations;
+  settings: ConfigRepresentation;
   workspace: ProjectWorkspace;
 
   constructor(workspace: ProjectWorkspace, options?: Options) {
@@ -50,12 +48,10 @@ export default class Settings extends EventEmitter {
     this._createProcess = (options && options.createProcess) || createProcess;
 
     // Defaults for a Jest project
-    this.settings = [
-      {
-        testMatch: ['**/__tests__/**/*.js?(x)', '**/?(*.)(spec|test).js?(x)'],
-        testRegex: '(/__tests__/.*|\\.(test|spec))\\.jsx?$',
-      },
-    ];
+    this.settings = {
+      testMatch: ['**/__tests__/**/*.js?(x)', '**/?(*.)(spec|test).js?(x)'],
+      testRegex: '(/__tests__/.*|\\.(test|spec))\\.jsx?$',
+    };
   }
 
   getConfigs(completed: any) {
@@ -70,7 +66,7 @@ export default class Settings extends EventEmitter {
       // See https://github.com/facebook/jest/issues/2343 for moving this into
       // the config object
       this.settings =
-        this.jestVersionMajor >= 21 ? settings.configs : [settings.config];
+        this.jestVersionMajor >= 21 ? settings.configs : settings.config;
     });
 
     // They could have an older build of Jest which
@@ -82,7 +78,9 @@ export default class Settings extends EventEmitter {
 
   getConfig(completed: any) {
     this.getConfigs(() => {
-      this.settings = this.settings[0];
+      if (this.jestVersionMajor >= 21) {
+        this.settings = this.settings[0];
+      }
       completed();
     });
   }

From 5247dcd1f558420a43ceab62ab9ba025ac2c6f2c Mon Sep 17 00:00:00 2001
From: recca0120 <recca0120@gmail.com>
Date: Sun, 1 Oct 2017 18:52:17 +0800
Subject: [PATCH 17/17] update

---
 packages/jest-editor-support/src/Settings.js   | 18 +++++++++---------
 .../src/__tests__/settings.test.js             |  2 +-
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/packages/jest-editor-support/src/Settings.js b/packages/jest-editor-support/src/Settings.js
index 7e6b6c8a45fd..9ad13b186346 100644
--- a/packages/jest-editor-support/src/Settings.js
+++ b/packages/jest-editor-support/src/Settings.js
@@ -32,6 +32,8 @@ type ConfigRepresentation = {
   testMatch: Array<Glob>,
 };
 
+type ConfigRepresentations = Array<ConfigRepresentation>;
+
 export default class Settings extends EventEmitter {
   getConfigProcess: ChildProcess;
   jestVersionMajor: number | null;
@@ -39,6 +41,7 @@ export default class Settings extends EventEmitter {
     workspace: ProjectWorkspace,
     args: Array<string>,
   ) => ChildProcess;
+  configs: ConfigRepresentations;
   settings: ConfigRepresentation;
   workspace: ProjectWorkspace;
 
@@ -52,6 +55,8 @@ export default class Settings extends EventEmitter {
       testMatch: ['**/__tests__/**/*.js?(x)', '**/?(*.)(spec|test).js?(x)'],
       testRegex: '(/__tests__/.*|\\.(test|spec))\\.jsx?$',
     };
+
+    this.configs = [this.settings];
   }
 
   getConfigs(completed: any) {
@@ -62,11 +67,8 @@ export default class Settings extends EventEmitter {
     this.getConfigProcess.stdout.on('data', (data: Buffer) => {
       const settings = JSON.parse(data.toString());
       this.jestVersionMajor = parseInt(settings.version.split('.').shift(), 10);
-      // We can give warnings to versions under 17 now
-      // See https://github.com/facebook/jest/issues/2343 for moving this into
-      // the config object
-      this.settings =
-        this.jestVersionMajor >= 21 ? settings.configs : settings.config;
+      this.configs =
+        this.jestVersionMajor >= 21 ? settings.configs : [settings.config];
     });
 
     // They could have an older build of Jest which
@@ -76,11 +78,9 @@ export default class Settings extends EventEmitter {
     });
   }
 
-  getConfig(completed: any) {
+  getConfig(completed: any, index: number = 0) {
     this.getConfigs(() => {
-      if (this.jestVersionMajor >= 21) {
-        this.settings = this.settings[0];
-      }
+      this.settings = this.configs[index];
       completed();
     });
   }
diff --git a/packages/jest-editor-support/src/__tests__/settings.test.js b/packages/jest-editor-support/src/__tests__/settings.test.js
index 50fe30ec218f..55debc02f7c1 100644
--- a/packages/jest-editor-support/src/__tests__/settings.test.js
+++ b/packages/jest-editor-support/src/__tests__/settings.test.js
@@ -110,7 +110,7 @@ describe('Settings', () => {
 
     expect(completed).toHaveBeenCalled();
     expect(settings.jestVersionMajor).toBe(21);
-    expect(settings.settings).toEqual(configs);
+    expect(settings.configs).toEqual(configs);
   });
 
   it('calls callback even if no data is sent', () => {