Replace concat(Immutable) with Immutable as item of plugins array (je…

…stjs#4207)
tushardhole · Aug 7, 2017 · 192a99f · 192a99f
1 parent 5017683
commit 192a99f
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Showing 4 changed files with 10 additions and 7 deletions.
diff --git a/packages/jest-diff/src/index.js b/packages/jest-diff/src/index.js
@@ -28,8 +28,9 @@ const PLUGINS = [
   ReactTestComponent,
   ReactElement,
   HTMLElement,
+  Immutable,
   AsymmetricMatcher,
-].concat(Immutable);
+];
 const FORMAT_OPTIONS = {
   plugins: PLUGINS,
 };

diff --git a/packages/jest-matcher-utils/src/index.js b/packages/jest-matcher-utils/src/index.js
@@ -23,8 +23,9 @@ const PLUGINS = [
   ReactTestComponent,
   ReactElement,
   HTMLElement,
+  Immutable,
   AsymmetricMatcher,
-].concat(Immutable);
+];
 
 const EXPECTED_COLOR = chalk.green;
 const EXPECTED_BG = chalk.bgGreen;

diff --git a/packages/jest-snapshot/src/plugins.js b/packages/jest-snapshot/src/plugins.js
@@ -19,7 +19,7 @@ const {
   ReactTestComponent,
 } = prettyFormat.plugins;
 
-let PLUGINS = [ReactTestComponent, ReactElement, HTMLElement].concat(Immutable);
+let PLUGINS = [ReactTestComponent, ReactElement, HTMLElement, Immutable];
 
 // Prepend to list so the last added is the first tested.
 exports.addSerializer = (plugin: Plugin) => {

diff --git a/packages/pretty-format/src/__tests__/immutable.test.js b/packages/pretty-format/src/__tests__/immutable.test.js
@@ -13,12 +13,13 @@
 import React from 'react';
 import Immutable from 'immutable';
 import prettyFormat from '../';
-const {Immutable: ImmutablePlugins, ReactElement} = prettyFormat.plugins;
+const {Immutable: ImmutablePlugin, ReactElement} = prettyFormat.plugins;
 import expectUtil from './expect_util';
 
-const toPrettyPrintTo = expectUtil.getPrettyPrint(
-  [ReactElement].concat(ImmutablePlugins),
-);
+const toPrettyPrintTo = expectUtil.getPrettyPrint([
+  ReactElement,
+  ImmutablePlugin,
+]);
 
 const expect = global.expect;
 expect.extend({toPrettyPrintTo});