diff --git a/scripts/module-map.js b/scripts/module-map.js
index 6896a2f3ac..de34302c6f 100644
--- a/scripts/module-map.js
+++ b/scripts/module-map.js
@@ -8,7 +8,7 @@
 module.exports = Object.assign(
   {
     immutable: 'immutable',
-    React: 'react',
+    react: 'react',
     ReactDOM: 'react-dom',
     ReactDOMComet: 'react-dom',
     'object-assign': 'object-assign',
@@ -17,5 +17,5 @@ module.exports = Object.assign(
     reactComponentExpect: 'react-dom/lib/reactComponentExpect',
   },
   require('fbjs/module-map'),
-  require('fbjs-scripts/third-party-module-map')
+  require('fbjs-scripts/third-party-module-map'),
 );
diff --git a/src/component/contents/__tests__/DraftEditorTextNode-test.js b/src/component/contents/__tests__/DraftEditorTextNode-test.js
index 9c4cacc1f8..465dfc8b42 100644
--- a/src/component/contents/__tests__/DraftEditorTextNode-test.js
+++ b/src/component/contents/__tests__/DraftEditorTextNode-test.js
@@ -56,7 +56,7 @@ const expectPopulatedSpan = (stub, testString) => {
   expect(node.firstChild && node.firstChild.textContent).toBe(testString);
 };
 
-test('must initialize correctly with an empty string, non-IE', function () {
+test('must initialize correctly with an empty string, non-IE', function() {
   initializeAsNonIE();
   const stub = renderIntoContainer(
     <DraftEditorTextNode>{''}</DraftEditorTextNode>,
@@ -66,7 +66,7 @@ test('must initialize correctly with an empty string, non-IE', function () {
   expect(ReactDOM.findDOMNode(stub).tagName).toBe('BR');
 });
 
-test('must initialize correctly with an empty string, IE', function () {
+test('must initialize correctly with an empty string, IE', function() {
   initializeAsIE();
   const stub = renderIntoContainer(
     <DraftEditorTextNode>{''}</DraftEditorTextNode>,
@@ -74,7 +74,7 @@ test('must initialize correctly with an empty string, IE', function () {
   expectPopulatedSpan(stub, BLOCK_DELIMITER_CHAR);
 });
 
-test('must initialize correctly with a string, non-IE', function () {
+test('must initialize correctly with a string, non-IE', function() {
   initializeAsNonIE();
   const stub = renderIntoContainer(
     <DraftEditorTextNode>{TEST_A}</DraftEditorTextNode>,
@@ -82,7 +82,7 @@ test('must initialize correctly with a string, non-IE', function () {
   expectPopulatedSpan(stub, TEST_A);
 });
 
-test('must initialize correctly with a string, IE', function () {
+test('must initialize correctly with a string, IE', function() {
   initializeAsIE();
   const stub = renderIntoContainer(
     <DraftEditorTextNode>{TEST_A}</DraftEditorTextNode>,
@@ -90,7 +90,7 @@ test('must initialize correctly with a string, IE', function () {
   expectPopulatedSpan(stub, TEST_A);
 });
 
-test('must update from empty to non-empty, non-IE', function () {
+test('must update from empty to non-empty, non-IE', function() {
   initializeAsNonIE();
   const stub = renderIntoContainer(
     <DraftEditorTextNode>{''}</DraftEditorTextNode>,
@@ -100,7 +100,7 @@ test('must update from empty to non-empty, non-IE', function () {
   expectPopulatedSpan(stub, TEST_A);
 });
 
-test('must update from empty to non-empty, IE', function () {
+test('must update from empty to non-empty, IE', function() {
   initializeAsIE();
   const stub = renderIntoContainer(
     <DraftEditorTextNode>{''}</DraftEditorTextNode>,
@@ -110,7 +110,7 @@ test('must update from empty to non-empty, IE', function () {
   expectPopulatedSpan(stub, TEST_A);
 });
 
-test('must update from non-empty to non-empty, non-IE', function () {
+test('must update from non-empty to non-empty, non-IE', function() {
   initializeAsNonIE();
   const stub = renderIntoContainer(
     <DraftEditorTextNode>{TEST_A}</DraftEditorTextNode>,
@@ -126,7 +126,7 @@ test('must update from non-empty to non-empty, non-IE', function () {
   expectPopulatedSpan(stub, TEST_B);
 });
 
-test('must update from non-empty to non-empty, non-IE', function () {
+test('must update from non-empty to non-empty, non-IE', function() {
   initializeAsIE();
   const stub = renderIntoContainer(
     <DraftEditorTextNode>{TEST_A}</DraftEditorTextNode>,
@@ -141,7 +141,7 @@ test('must update from non-empty to non-empty, non-IE', function () {
   expectPopulatedSpan(stub, TEST_B);
 });
 
-test('must skip updates if text already matches DOM, non-IE', function () {
+test('must skip updates if text already matches DOM, non-IE', function() {
   initializeAsNonIE();
   const stub = renderIntoContainer(
     <DraftEditorTextNode>{TEST_A}</DraftEditorTextNode>,
@@ -163,7 +163,7 @@ test('must skip updates if text already matches DOM, non-IE', function () {
   expect(stub.render.mock.calls.length).toBe(1);
 });
 
-test('must skip updates if text already matches DOM, IE', function () {
+test('must skip updates if text already matches DOM, IE', function() {
   initializeAsIE();
   const stub = renderIntoContainer(
     <DraftEditorTextNode>{TEST_A}</DraftEditorTextNode>,
@@ -185,7 +185,7 @@ test('must skip updates if text already matches DOM, IE', function () {
   expect(stub.render.mock.calls.length).toBe(1);
 });
 
-test('must update from non-empty to empty, non-IE', function () {
+test('must update from non-empty to empty, non-IE', function() {
   initializeAsNonIE();
   const stub = renderIntoContainer(
     <DraftEditorTextNode>{TEST_A}</DraftEditorTextNode>,
@@ -198,7 +198,7 @@ test('must update from non-empty to empty, non-IE', function () {
   expect(ReactDOM.findDOMNode(stub).tagName).toBe('BR');
 });
 
-test('must update from non-empty to empty, IE', function () {
+test('must update from non-empty to empty, IE', function() {
   initializeAsIE();
   const stub = renderIntoContainer(
     <DraftEditorTextNode>{TEST_A}</DraftEditorTextNode>,
@@ -209,7 +209,7 @@ test('must update from non-empty to empty, IE', function () {
   expectPopulatedSpan(stub, BLOCK_DELIMITER_CHAR);
 });
 
-test('must render properly into a parent DOM node', function () {
+test('must render properly into a parent DOM node', function() {
   initializeAsNonIE();
   renderIntoContainer(
     <div>
@@ -218,7 +218,7 @@ test('must render properly into a parent DOM node', function () {
   );
 });
 
-test('must force unchanged text back into the DOM', function () {
+test('must force unchanged text back into the DOM', function() {
   initializeAsNonIE();
   const stub = renderIntoContainer(
     <DraftEditorTextNode>{TEST_A}</DraftEditorTextNode>,
diff --git a/src/component/handlers/edit/commands/__tests__/SecondaryClipboard-test.js b/src/component/handlers/edit/commands/__tests__/SecondaryClipboard-test.js
index 4652f23e3a..a194422b40 100644
--- a/src/component/handlers/edit/commands/__tests__/SecondaryClipboard-test.js
+++ b/src/component/handlers/edit/commands/__tests__/SecondaryClipboard-test.js
@@ -112,7 +112,10 @@ const assertCutOperation = (
       SelectionState.createEmpty(content[0].key).merge(selection),
     ),
   );
-  const expected = result.getCurrentContent().getBlockMap().toJS();
+  const expected = result
+    .getCurrentContent()
+    .getBlockMap()
+    .toJS();
 
   expect(expected).toMatchSnapshot();
 };
diff --git a/src/component/handlers/edit/commands/keyCommandBackspaceWord.js b/src/component/handlers/edit/commands/keyCommandBackspaceWord.js
index 72ce923496..473af9cdc7 100644
--- a/src/component/handlers/edit/commands/keyCommandBackspaceWord.js
+++ b/src/component/handlers/edit/commands/keyCommandBackspaceWord.js
@@ -33,7 +33,10 @@ function keyCommandBackspaceWord(editorState: EditorState): EditorState {
       }
       const key = selection.getStartKey();
       const content = strategyState.getCurrentContent();
-      const text = content.getBlockForKey(key).getText().slice(0, offset);
+      const text = content
+        .getBlockForKey(key)
+        .getText()
+        .slice(0, offset);
       const toRemove = DraftRemovableWord.getBackward(text);
       return moveSelectionBackward(strategyState, toRemove.length || 1);
     },
diff --git a/src/component/handlers/edit/commands/keyCommandDeleteWord.js b/src/component/handlers/edit/commands/keyCommandDeleteWord.js
index b9a07194ba..781881a19e 100644
--- a/src/component/handlers/edit/commands/keyCommandDeleteWord.js
+++ b/src/component/handlers/edit/commands/keyCommandDeleteWord.js
@@ -29,7 +29,10 @@ function keyCommandDeleteWord(editorState: EditorState): EditorState {
       const offset = selection.getStartOffset();
       const key = selection.getStartKey();
       const content = strategyState.getCurrentContent();
-      const text = content.getBlockForKey(key).getText().slice(offset);
+      const text = content
+        .getBlockForKey(key)
+        .getText()
+        .slice(offset);
       const toRemove = DraftRemovableWord.getForward(text);
 
       // If there are no words in front of the cursor, remove the newline.
diff --git a/src/component/handlers/edit/editOnBlur.js b/src/component/handlers/edit/editOnBlur.js
index 04135e21c6..aee69e5068 100644
--- a/src/component/handlers/edit/editOnBlur.js
+++ b/src/component/handlers/edit/editOnBlur.js
@@ -30,7 +30,7 @@ function editOnBlur(editor: DraftEditor, e: SyntheticEvent<HTMLElement>): void {
   // opposed to clicking to another tab or window).
   const {ownerDocument} = e.currentTarget;
   if (
-    !Boolean(editor.props.preserveSelectionOnBlur) &&
+    !editor.props.preserveSelectionOnBlur &&
     getActiveElement(ownerDocument) === ownerDocument.body
   ) {
     const selection: SelectionObject = ownerDocument.defaultView.getSelection();
diff --git a/src/component/selection/getRangeClientRects.js b/src/component/selection/getRangeClientRects.js
index da9e94b84d..46b4f62d6f 100644
--- a/src/component/selection/getRangeClientRects.js
+++ b/src/component/selection/getRangeClientRects.js
@@ -60,7 +60,7 @@ function getRangeClientRectsChrome(range: Range): Array<ClientRect> {
  */
 const getRangeClientRects = ((isChrome
   ? getRangeClientRectsChrome
-  : function (range: Range): Array<ClientRect> {
+  : function(range: Range): Array<ClientRect> {
       return Array.from(range.getClientRects());
     }): (range: Range) => Array<ClientRect>);
 
diff --git a/src/component/selection/setDraftEditorSelection.js b/src/component/selection/setDraftEditorSelection.js
index 68f8ac52f6..cc08cafbad 100644
--- a/src/component/selection/setDraftEditorSelection.js
+++ b/src/component/selection/setDraftEditorSelection.js
@@ -273,7 +273,7 @@ function addFocusToSelection(
       }
     } catch (e) {
       DraftJsDebugLogging.logSelectionStateFailure({
-        anonymizedDom: getAnonymizedEditorDOM(node, function (n) {
+        anonymizedDom: getAnonymizedEditorDOM(node, function(n) {
           const labels = [];
           if (n === activeElement) {
             labels.push('active element');
diff --git a/src/component/utils/getTextContentFromFiles.js b/src/component/utils/getTextContentFromFiles.js
index 176ce9a429..216843ab24 100644
--- a/src/component/utils/getTextContentFromFiles.js
+++ b/src/component/utils/getTextContentFromFiles.js
@@ -33,8 +33,8 @@ function getTextContentFromFiles(
 ): void {
   let readCount = 0;
   const results = [];
-  files.forEach(function (/*blob*/ file) {
-    readFile(file, function (/*string*/ text) {
+  files.forEach(function(/*blob*/ file) {
+    readFile(file, function(/*string*/ text) {
       readCount++;
       text && results.push(text.slice(0, TEXT_SIZE_UPPER_BOUND));
       if (readCount == files.length) {
@@ -67,7 +67,7 @@ function readFile(file: File, callback: (contents: string) => void): void {
   }
 
   const reader = new FileReader();
-  reader.onload = function () {
+  reader.onload = function() {
     const result = reader.result;
     invariant(
       typeof result === 'string',
@@ -75,7 +75,7 @@ function readFile(file: File, callback: (contents: string) => void): void {
     );
     callback(result);
   };
-  reader.onerror = function () {
+  reader.onerror = function() {
     callback('');
   };
   reader.readAsText(file);
diff --git a/src/model/encoding/__tests__/convertFromRawToDraftState-test.js b/src/model/encoding/__tests__/convertFromRawToDraftState-test.js
index f9b9e949dd..7b01286054 100644
--- a/src/model/encoding/__tests__/convertFromRawToDraftState-test.js
+++ b/src/model/encoding/__tests__/convertFromRawToDraftState-test.js
@@ -26,7 +26,9 @@ const toggleExperimentalTreeDataSupport = enabled => {
 
 const assertDraftState = (rawState: RawDraftContentState) => {
   expect(
-    convertFromRawToDraftState(rawState).getBlockMap().toJS(),
+    convertFromRawToDraftState(rawState)
+      .getBlockMap()
+      .toJS(),
   ).toMatchSnapshot();
 };
 
diff --git a/src/model/encoding/convertFromHTMLToContentBlocks.js b/src/model/encoding/convertFromHTMLToContentBlocks.js
index b8fe3518fe..0f850d31e4 100644
--- a/src/model/encoding/convertFromHTMLToContentBlocks.js
+++ b/src/model/encoding/convertFromHTMLToContentBlocks.js
@@ -48,7 +48,7 @@ const REGEX_CARRIAGE = new RegExp('&#13;?', 'g');
 const REGEX_ZWS = new RegExp('&#8203;?', 'g');
 
 // https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight
-const boldValues = ['bold', 'bolder', '500', '600', '700', '800', '900'];
+const boldValues = ['bold', 'bolder', '600', '700', '800', '900'];
 const notBoldValues = [
   'light',
   'lighter',
@@ -57,6 +57,7 @@ const notBoldValues = [
   '200',
   '300',
   '400',
+  '500',
 ];
 
 const anchorAttr = ['className', 'href', 'rel', 'target', 'title'];
diff --git a/src/model/immutable/BlockTree.js b/src/model/immutable/BlockTree.js
index 12f92c9457..69327bfa75 100644
--- a/src/model/immutable/BlockTree.js
+++ b/src/model/immutable/BlockTree.js
@@ -22,7 +22,7 @@ const Immutable = require('immutable');
 
 const {List, Repeat, Record} = Immutable;
 
-const returnTrue = function () {
+const returnTrue = function() {
   return true;
 };
 
diff --git a/src/model/immutable/ContentBlockNode.js b/src/model/immutable/ContentBlockNode.js
index 45b40365c7..9de9236a52 100644
--- a/src/model/immutable/ContentBlockNode.js
+++ b/src/model/immutable/ContentBlockNode.js
@@ -77,8 +77,7 @@ const decorateCharacterList = (
   return config;
 };
 
-class ContentBlockNode
-  extends (Record(defaultRecord): any)
+class ContentBlockNode extends (Record(defaultRecord): any)
   implements BlockNode {
   constructor(props: ContentBlockNodeConfig = defaultRecord) {
     /* eslint-disable-next-line constructor-super */
diff --git a/src/model/immutable/EditorState.js b/src/model/immutable/EditorState.js
index 428d4c525b..5ce1e96671 100644
--- a/src/model/immutable/EditorState.js
+++ b/src/model/immutable/EditorState.js
@@ -138,7 +138,10 @@ class EditorState {
     if (contentState.getBlockMap().count() === 0) {
       return EditorState.createEmpty(decorator);
     }
-    const firstKey = contentState.getBlockMap().first().getKey();
+    const firstKey = contentState
+      .getBlockMap()
+      .first()
+      .getKey();
     return EditorState.create({
       currentContent: contentState,
       undoStack: Stack(),
@@ -343,7 +346,10 @@ class EditorState {
   }
 
   isSelectionAtStartOfContent(): boolean {
-    const firstKey = this.getCurrentContent().getBlockMap().first().getKey();
+    const firstKey = this.getCurrentContent()
+      .getBlockMap()
+      .first()
+      .getKey();
     return this.getSelection().hasEdgeWithin(firstKey, 0, 0);
   }
 
diff --git a/src/model/modifier/__tests__/AtomicBlockUtils-test.js b/src/model/modifier/__tests__/AtomicBlockUtils-test.js
index 202d5ee2ca..f56f2b7540 100644
--- a/src/model/modifier/__tests__/AtomicBlockUtils-test.js
+++ b/src/model/modifier/__tests__/AtomicBlockUtils-test.js
@@ -50,7 +50,11 @@ const toggleExperimentalTreeDataSupport = enabled => {
 
 const assertAtomic = state => {
   expect(
-    state.getCurrentContent().getBlockMap().toIndexedSeq().toJS(),
+    state
+      .getCurrentContent()
+      .getBlockMap()
+      .toIndexedSeq()
+      .toJS(),
   ).toMatchSnapshot();
 };
 
@@ -120,7 +124,10 @@ test('must move atomic at start of block with collapsed selection', () => {
   const resultEditor = assertInsertAtomicBlock();
   const resultContent = resultEditor.getCurrentContent();
   const firstBlock = resultContent.getBlockMap().first();
-  const atomicBlock = resultContent.getBlockMap().skip(1).first();
+  const atomicBlock = resultContent
+    .getBlockMap()
+    .skip(1)
+    .first();
 
   assertMoveAtomicBlock(
     atomicBlock,
@@ -137,7 +144,10 @@ test('must move atomic at end of block with collapsed selection', () => {
   const resultEditor = assertInsertAtomicBlock();
   const resultContent = resultEditor.getCurrentContent();
   const lastBlock = resultContent.getBlockMap().last();
-  const atomicBlock = resultContent.getBlockMap().skip(1).first();
+  const atomicBlock = resultContent
+    .getBlockMap()
+    .skip(1)
+    .first();
 
   // Move atomic block at end of the last block
   assertMoveAtomicBlock(
@@ -156,8 +166,14 @@ test('must move atomic inbetween block with collapsed selection', () => {
   // Insert atomic block at the first position
   const resultEditor = assertInsertAtomicBlock();
   const resultContent = resultEditor.getCurrentContent();
-  const atomicBlock = resultContent.getBlockMap().skip(1).first();
-  const thirdBlock = resultContent.getBlockMap().skip(2).first();
+  const atomicBlock = resultContent
+    .getBlockMap()
+    .skip(1)
+    .first();
+  const thirdBlock = resultContent
+    .getBlockMap()
+    .skip(2)
+    .first();
 
   // Move atomic block inbetween the split parts of the third block
   assertMoveAtomicBlock(
@@ -177,7 +193,10 @@ test('must move atomic before block with collapsed selection', () => {
   const resultEditor = assertInsertAtomicBlock();
   const resultContent = resultEditor.getCurrentContent();
   const firstBlock = resultContent.getBlockMap().first();
-  const atomicBlock = resultContent.getBlockMap().skip(1).first();
+  const atomicBlock = resultContent
+    .getBlockMap()
+    .skip(1)
+    .first();
 
   // Move atomic block before the first block
   assertMoveAtomicBlock(
@@ -194,7 +213,10 @@ test('must move atomic after block with collapsed selection', () => {
   // Insert atomic block at the first position
   const resultEditor = assertInsertAtomicBlock();
   const resultContent = resultEditor.getCurrentContent();
-  const atomicBlock = resultContent.getBlockMap().skip(1).first();
+  const atomicBlock = resultContent
+    .getBlockMap()
+    .skip(1)
+    .first();
   const lastBlock = resultContent.getBlockMap().last();
 
   // Move atomic block after the last block
@@ -221,8 +243,14 @@ test("mustn't move atomic next to itself with collapsed selection", () => {
   );
   const resultContent = resultEditor.getCurrentContent();
   const beforeAtomicBlock = resultContent.getBlockMap().first();
-  const atomicBlock = resultContent.getBlockMap().skip(1).first();
-  const afterAtomicBlock = resultContent.getBlockMap().skip(2).first();
+  const atomicBlock = resultContent
+    .getBlockMap()
+    .skip(1)
+    .first();
+  const afterAtomicBlock = resultContent
+    .getBlockMap()
+    .skip(2)
+    .first();
 
   // Move atomic block above itself by moving it after preceding block by
   // replacement
@@ -371,7 +399,10 @@ test('must insert atomic at end of block', () => {
 });
 
 test('must insert atomic for cross-block selection', () => {
-  const originalThirdBlock = contentState.getBlockMap().skip(2).first();
+  const originalThirdBlock = contentState
+    .getBlockMap()
+    .skip(2)
+    .first();
   assertInsertAtomicBlock(
     EditorState.forceSelection(
       editorState,
@@ -388,7 +419,10 @@ test('must move atomic at start of block', () => {
   // Insert atomic block at the first position
   const resultEditor = assertInsertAtomicBlock();
   const resultContent = resultEditor.getCurrentContent();
-  const atomicBlock = resultContent.getBlockMap().skip(1).first();
+  const atomicBlock = resultContent
+    .getBlockMap()
+    .skip(1)
+    .first();
   const lastBlock = resultContent.getBlockMap().last();
 
   // Move atomic block at start of the last block
@@ -408,7 +442,10 @@ test('must move atomic at end of block', () => {
   // Insert atomic block at the first position
   const resultEditor = assertInsertAtomicBlock();
   const resultContent = resultEditor.getCurrentContent();
-  const atomicBlock = resultContent.getBlockMap().skip(1).first();
+  const atomicBlock = resultContent
+    .getBlockMap()
+    .skip(1)
+    .first();
   const lastBlock = resultContent.getBlockMap().last();
 
   // Move atomic block at end of the last block
@@ -428,8 +465,14 @@ test('must move atomic inbetween block', () => {
   // Insert atomic block at the first position
   const resultEditor = assertInsertAtomicBlock();
   const resultContent = resultEditor.getCurrentContent();
-  const atomicBlock = resultContent.getBlockMap().skip(1).first();
-  const thirdBlock = resultContent.getBlockMap().skip(2).first();
+  const atomicBlock = resultContent
+    .getBlockMap()
+    .skip(1)
+    .first();
+  const thirdBlock = resultContent
+    .getBlockMap()
+    .skip(2)
+    .first();
 
   // Move atomic block inbetween the split parts of the third block
   assertMoveAtomicBlock(
@@ -449,7 +492,10 @@ test('must move atomic before block', () => {
   const resultEditor = assertInsertAtomicBlock();
   const resultContent = resultEditor.getCurrentContent();
   const firstBlock = resultContent.getBlockMap().first();
-  const atomicBlock = resultContent.getBlockMap().skip(1).first();
+  const atomicBlock = resultContent
+    .getBlockMap()
+    .skip(1)
+    .first();
   const lastBlock = resultContent.getBlockMap().last();
 
   // Move atomic block before the first block
@@ -471,7 +517,10 @@ test('must move atomic after block', () => {
   const resultEditor = assertInsertAtomicBlock();
   const resultContent = resultEditor.getCurrentContent();
   const firstBlock = resultContent.getBlockMap().first();
-  const atomicBlock = resultContent.getBlockMap().skip(1).first();
+  const atomicBlock = resultContent
+    .getBlockMap()
+    .skip(1)
+    .first();
   const lastBlock = resultContent.getBlockMap().last();
 
   // Move atomic block after the last block
@@ -501,8 +550,14 @@ test("mustn't move atomic next to itself", () => {
   );
   const resultContent = resultEditor.getCurrentContent();
   const beforeAtomicBlock = resultContent.getBlockMap().first();
-  const atomicBlock = resultContent.getBlockMap().skip(1).first();
-  const afterAtomicBlock = resultContent.getBlockMap().skip(2).first();
+  const atomicBlock = resultContent
+    .getBlockMap()
+    .skip(1)
+    .first();
+  const afterAtomicBlock = resultContent
+    .getBlockMap()
+    .skip(2)
+    .first();
 
   // Move atomic block above itself by moving it after preceding block by
   // replacement
@@ -580,7 +635,10 @@ test('must be able to move atomic block when experimentalTreeDataSupport is enab
 
   const resultContent = resultEditor.getCurrentContent();
   const lastBlock = resultContent.getBlockMap().last();
-  const atomicBlock = resultContent.getBlockMap().skip(1).first();
+  const atomicBlock = resultContent
+    .getBlockMap()
+    .skip(1)
+    .first();
 
   // Move atomic block at end of the last block
   assertMoveAtomicBlock(
diff --git a/src/model/modifier/__tests__/RichTextEditorUtil-test.js b/src/model/modifier/__tests__/RichTextEditorUtil-test.js
index bed5c610c5..b531effcd3 100644
--- a/src/model/modifier/__tests__/RichTextEditorUtil-test.js
+++ b/src/model/modifier/__tests__/RichTextEditorUtil-test.js
@@ -177,7 +177,10 @@ describe('onTab on list block', () => {
   const changeBlockType = setListItem =>
     EditorState.push(editorState, setListItem, 'change-block-type');
   const getFirstBlockDepth = contentState =>
-    contentState.getCurrentContent().getFirstBlock().getDepth();
+    contentState
+      .getCurrentContent()
+      .getFirstBlock()
+      .getDepth();
   const addTab = contentState =>
     onTab({preventDefault: () => {}}, contentState);
 
diff --git a/src/model/modifier/exploration/NestedRichTextEditorUtil.js b/src/model/modifier/exploration/NestedRichTextEditorUtil.js
index 1008369a37..1b062685d0 100644
--- a/src/model/modifier/exploration/NestedRichTextEditorUtil.js
+++ b/src/model/modifier/exploration/NestedRichTextEditorUtil.js
@@ -171,8 +171,10 @@ const NestedRichTextEditorUtil: RichTextUtils = {
       return EditorState.push(
         editorState,
         withoutBlockStyle,
-        withoutBlockStyle.getBlockMap().get(currentBlock.getKey()).getType() ===
-          'unstyled'
+        withoutBlockStyle
+          .getBlockMap()
+          .get(currentBlock.getKey())
+          .getType() === 'unstyled'
           ? 'change-block-type'
           : 'adjust-depth',
       );
diff --git a/src/model/modifier/exploration/__tests__/NestedRichTextEditorUtil-test.js b/src/model/modifier/exploration/__tests__/NestedRichTextEditorUtil-test.js
index c5b5353a54..081113603c 100644
--- a/src/model/modifier/exploration/__tests__/NestedRichTextEditorUtil-test.js
+++ b/src/model/modifier/exploration/__tests__/NestedRichTextEditorUtil-test.js
@@ -125,7 +125,10 @@ const assertNestedUtilOperation = (
 
   const expected =
     result instanceof EditorState
-      ? result.getCurrentContent().getBlockMap().toJS()
+      ? result
+          .getCurrentContent()
+          .getBlockMap()
+          .toJS()
       : result;
 
   expect(expected).toMatchSnapshot();
diff --git a/src/model/transaction/__tests__/removeEntitiesAtEdges-test.js b/src/model/transaction/__tests__/removeEntitiesAtEdges-test.js
index 0a92d36cd6..7268a3c917 100644
--- a/src/model/transaction/__tests__/removeEntitiesAtEdges-test.js
+++ b/src/model/transaction/__tests__/removeEntitiesAtEdges-test.js
@@ -48,7 +48,9 @@ const assertRemoveEntitiesAtEdges = (
 ) => {
   const contentState = ensureEntityWithMutability(content, '2', mutability);
   expect(
-    removeEntitiesAtEdges(contentState, selection).getBlockMap().toJS(),
+    removeEntitiesAtEdges(contentState, selection)
+      .getBlockMap()
+      .toJS(),
   ).toMatchSnapshot();
 };
 
diff --git a/src/model/transaction/__tests__/removeRangeFromContentState-test.js b/src/model/transaction/__tests__/removeRangeFromContentState-test.js
index 3c01dddf8c..898b27fc87 100644
--- a/src/model/transaction/__tests__/removeRangeFromContentState-test.js
+++ b/src/model/transaction/__tests__/removeRangeFromContentState-test.js
@@ -75,12 +75,17 @@ const assertRemoveRangeFromContentState = (
   content = contentState,
 ) => {
   expect(
-    removeRangeFromContentState(content, selection).getBlockMap().toJS(),
+    removeRangeFromContentState(content, selection)
+      .getBlockMap()
+      .toJS(),
   ).toMatchSnapshot();
 };
 
 const initialBlock = contentState.getBlockMap().first();
-const secondBlock = contentState.getBlockMap().skip(1).first();
+const secondBlock = contentState
+  .getBlockMap()
+  .skip(1)
+  .first();
 const selectionWithinA = selectionState.set('anchorOffset', 3);
 const selectionFromEndOfA = selectionState.merge({
   anchorOffset: initialBlock.getLength(),
@@ -111,7 +116,10 @@ test('must remove to the end of the block', () => {
   assertRemoveRangeFromContentState(
     selectionState.merge({
       anchorOffset: 3,
-      focusOffset: contentState.getBlockMap().first().getLength(),
+      focusOffset: contentState
+        .getBlockMap()
+        .first()
+        .getLength(),
     }),
   );
 });
diff --git a/src/model/transaction/__tests__/splitBlockInContentState-test.js b/src/model/transaction/__tests__/splitBlockInContentState-test.js
index cd1abbb934..79cd027c5e 100644
--- a/src/model/transaction/__tests__/splitBlockInContentState-test.js
+++ b/src/model/transaction/__tests__/splitBlockInContentState-test.js
@@ -114,7 +114,10 @@ test('must split within a block', () => {
 });
 
 test('must split at the end of a block', () => {
-  const SPLIT_OFFSET = contentState.getBlockMap().first().getLength();
+  const SPLIT_OFFSET = contentState
+    .getBlockMap()
+    .first()
+    .getLength();
 
   assertSplitBlockInContentState(
     selectionState.merge({
diff --git a/src/stubs/gkx.js b/src/stubs/gkx.js
index bdae8998ab..065dd37c7d 100644
--- a/src/stubs/gkx.js
+++ b/src/stubs/gkx.js
@@ -10,7 +10,7 @@
 
 'use strict';
 
-module.exports = function (name: string) {
+module.exports = function(name: string) {
   if (typeof window !== 'undefined' && window.__DRAFT_GKX) {
     return !!window.__DRAFT_GKX[name];
   }
diff --git a/src/util/getOwnObjectValues.js b/src/util/getOwnObjectValues.js
index 8a43bce027..aa6ef555fb 100644
--- a/src/util/getOwnObjectValues.js
+++ b/src/util/getOwnObjectValues.js
@@ -18,9 +18,9 @@
  */
 function getOwnObjectValues<TValue>(obj: {
   +[key: string]: TValue,
-  ...
+  ...,
 }): Array<TValue> {
-  return Object.keys(obj).map((key) => obj[key]);
+  return Object.keys(obj).map(key => obj[key]);
 }
 
 module.exports = getOwnObjectValues;
diff --git a/src/util/uuid.js b/src/util/uuid.js
index d4ec9091bd..942cacd299 100644
--- a/src/util/uuid.js
+++ b/src/util/uuid.js
@@ -13,7 +13,7 @@
  * http://stackoverflow.com/questions/105034
  */
 function uuid(): string {
-  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
     const r = (Math.random() * 16) | 0;
     const v = c == 'x' ? r : (r & 0x3) | 0x8;
     return v.toString(16);