diff --git a/.eslintrc.json b/.eslintrc.json
index 293657679..65be1bab6 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -36,6 +36,7 @@
         "no-unneeded-ternary": [1],
         "object-curly-spacing": [1],
         "space-infix-ops": ["error"],
+        "space-in-parens": ["error", "never"],
         "no-const-assign": [2],
         "no-duplicate-imports": [2],
         "prefer-template": [1],
diff --git a/client/coral-admin/src/containers/Community/components/User.js b/client/coral-admin/src/containers/Community/components/User.js
index 20b599a7a..b6e4a0cc6 100644
--- a/client/coral-admin/src/containers/Community/components/User.js
+++ b/client/coral-admin/src/containers/Community/components/User.js
@@ -37,7 +37,7 @@ const User = props => {
             <div className={styles.flaggedByCount}>
               <i className="material-icons">flag</i><span className={styles.flaggedByLabel}>{lang.t('community.flags')}({ user.actions.length })</span>:
                 { user.action_summaries.map(
-                (action, i ) => {
+                (action, i) => {
                   return <span className={styles.flaggedBy} key={i}>
                     {lang.t(`community.${action.reason}`)} ({action.count})
                   </span>;
@@ -46,7 +46,7 @@ const User = props => {
             </div>
             <div className={styles.flaggedReasons}>
               { user.action_summaries.map(
-                (action_sum, i ) => {
+                (action_sum, i) => {
                   return <div key={i}>
                     <span className={styles.flaggedByLabel}>
                       {lang.t(`community.${action_sum.reason}`)} ({action_sum.count})
diff --git a/client/coral-embed-stream/src/components/Comment.js b/client/coral-embed-stream/src/components/Comment.js
index 13d286296..a7f7b760a 100644
--- a/client/coral-embed-stream/src/components/Comment.js
+++ b/client/coral-embed-stream/src/components/Comment.js
@@ -427,7 +427,7 @@ export default Comment;
 // return whether the comment is editable
 function commentIsStillEditable (comment) {
   const editing = comment && comment.editing;
-  if ( ! editing) {return false;}
+  if (! editing) {return false;}
   const editableUntil = getEditableUntilDate(comment);
   const editWindowExpired = (editableUntil - new Date) < 0;
   return ! editWindowExpired;  
@@ -436,7 +436,7 @@ function commentIsStillEditable (comment) {
 // return number of milliseconds before edit window expires
 function editWindowRemainingMs (comment) {
   const editableUntil = getEditableUntilDate(comment);
-  if ( ! editableUntil) {return;}
+  if (! editableUntil) {return;}
   const now = new Date();
   const editWindowRemainingMs = (editableUntil - now);
   return editWindowRemainingMs;
diff --git a/client/coral-embed-stream/src/containers/Embed.js b/client/coral-embed-stream/src/containers/Embed.js
index 0d21aac0a..3cc84a097 100644
--- a/client/coral-embed-stream/src/containers/Embed.js
+++ b/client/coral-embed-stream/src/containers/Embed.js
@@ -124,7 +124,7 @@ export default compose(
  * producing a new queryStream result where asset.comments reflects the edit
  */
 function reduceEditCommentActionsToUpdateStreamQuery(previousResult, action) {
-  if ( ! (action.type === 'APOLLO_MUTATION_RESULT' && action.operationName === 'editComment')) {
+  if (! (action.type === 'APOLLO_MUTATION_RESULT' && action.operationName === 'editComment')) {
     return previousResult;
   }
   const resultHasErrors = (result) => {
diff --git a/client/coral-plugin-best/BestButton.js b/client/coral-plugin-best/BestButton.js
index 96ef45f86..df20bf53d 100644
--- a/client/coral-plugin-best/BestButton.js
+++ b/client/coral-plugin-best/BestButton.js
@@ -29,7 +29,7 @@ export const BestIndicator = ({children = <Icon name='star'/>}) => (
  * Component that only renders children if the provided user prop can modify best tags
  */
 export const IfUserCanModifyBest = ({user, children}) => {
-  if ( ! ( user && canModifyBestTag(user))) {return null;}
+  if (! (user && canModifyBestTag(user))) {return null;}
   return children;
 };
 
@@ -63,7 +63,7 @@ export class BestButton extends Component {
   async onClickAddBest(e) {
     e.preventDefault();
     const {addBest} = this.props;
-    if ( ! addBest) {
+    if (! addBest) {
       console.warn('BestButton#onClickAddBest called even though there is no addBest prop. doing nothing');
       return;
     }
@@ -78,7 +78,7 @@ export class BestButton extends Component {
   async onClickRemoveBest(e) {
     e.preventDefault();
     const {removeBest} = this.props;
-    if ( ! removeBest) {
+    if (! removeBest) {
       console.warn('BestButton#onClickAddBest called even though there is no removeBest prop. doing nothing');
       return;
     }
diff --git a/client/coral-plugin-infobox/Markdown.js b/client/coral-plugin-infobox/Markdown.js
index 59b63bcb0..b5cf88d22 100644
--- a/client/coral-plugin-infobox/Markdown.js
+++ b/client/coral-plugin-infobox/Markdown.js
@@ -4,7 +4,7 @@ import marked from 'marked';
 const renderer = new marked.Renderer();
 
 // Set link target to `_parent` to work properly in an embed.
-renderer.link = ( href, title, text ) =>
+renderer.link = (href, title, text) =>
   `<a target="_parent" href="${href}" title="${title}">${text}</a>`;
 
 marked.setOptions({renderer});
diff --git a/graph/resolvers/root_query.js b/graph/resolvers/root_query.js
index 4dcb7ea11..749660acb 100644
--- a/graph/resolvers/root_query.js
+++ b/graph/resolvers/root_query.js
@@ -90,7 +90,7 @@ const RootQuery = {
 
     // get currentUser again since context.user was out of date when running test/graph/mutations/ignoreUser
     const currentUser = (await Users.getByQuery({ids: [user.id], limit: 1}))[0];
-    if ( ! (currentUser && Array.isArray(currentUser.ignoresUsers) && currentUser.ignoresUsers.length)) {
+    if (! (currentUser && Array.isArray(currentUser.ignoresUsers) && currentUser.ignoresUsers.length)) {
       return [];
     }
     return await Users.getByQuery({ids: currentUser.ignoresUsers});