chore(v2): fix code style (revert previous changes)

packages/docusaurus-1.x/lib/core/nav/HeaderNav.js

@@ -39,8 +39,8 @@ class LanguageDropDown extends React.Component {
     // add all enabled languages to dropdown
     const enabledLanguages = env.translation
       .enabledLanguages()
-      .filter(lang => lang.tag !== this.props.language)
-      .map(lang => {
+      .filter((lang) => lang.tag !== this.props.language)
+      .map((lang) => {
         // build the href so that we try to stay in current url but change the language.
         let href = siteConfig.baseUrl + lang.tag;
         if (
@@ -71,8 +71,8 @@ class LanguageDropDown extends React.Component {
     // Get the current language full name for display in the header nav
     const currentLanguage = env.translation
       .enabledLanguages()
-      .filter(lang => lang.tag === this.props.language)
-      .map(lang => lang.name);
+      .filter((lang) => lang.tag === this.props.language)
+      .map((lang) => lang.name);
 
     // add Crowdin project recruiting link
     if (siteConfig.translationRecruitingLink) {
@@ -179,10 +179,10 @@ class HeaderNav extends React.Component {
           errorStr +=
             ' It looks like there is no document with that id that exists in your docs directory. Please double check the spelling of your `doc` field and the `id` fields of your docs.';
         } else {
-          errorStr += `${'. Check the spelling of your `doc` field. If that seems sane, and a document in your docs folder exists with that `id` value, \nthen this is likely a bug in Docusaurus.' +
-            ' Docusaurus thinks one or both of translations (currently set to: '}${
-            env.translation.enabled
-          }) or versioning (currently set to: ${
+          errorStr += `${
+            '. Check the spelling of your `doc` field. If that seems sane, and a document in your docs folder exists with that `id` value, \nthen this is likely a bug in Docusaurus.' +
+            ' Docusaurus thinks one or both of translations (currently set to: '
+          }${env.translation.enabled}) or versioning (currently set to: ${
             env.versioning.enabled
           }) is enabled when maybe they should not be. \nThus my internal id for this doc is: '${id}'. Please file an issue for this possible bug on GitHub.`;
         }
@@ -236,7 +236,7 @@ class HeaderNav extends React.Component {
     const headerLinks = this.props.config.headerLinks;
     // add language drop down to end if location not specified
     let languages = false;
-    headerLinks.forEach(link => {
+    headerLinks.forEach((link) => {
       if (link.languages) {
         languages = true;
       }
@@ -245,7 +245,7 @@ class HeaderNav extends React.Component {
       headerLinks.push({languages: true});
     }
     let search = false;
-    headerLinks.forEach(link => {
+    headerLinks.forEach((link) => {
       if (
         link.doc &&
         !fs.existsSync(`${CWD}/../${readMetadata.getDocsPath()}/`)

packages/docusaurus-1.x/lib/core/nav/OnPageNav.js

@@ -23,7 +23,7 @@ const Headings = ({headings}) => {
   if (!headings.length) return null;
   return (
     <ul className="toc-headings">
-      {headings.map(heading => (
+      {headings.map((heading) => (
         <li key={heading.hashLink}>
           <Link hashLink={heading.hashLink} content={heading.content} />
           <Headings headings={heading.children} />

packages/docusaurus-1.x/lib/core/nav/SideNav.js

@@ -61,7 +61,7 @@ class SideNav extends React.Component {
     return null;
   }
 
-  renderCategory = categoryItem => {
+  renderCategory = (categoryItem) => {
     let ulClassName = '';
     let categoryClassName = 'navGroupCategoryTitle';
     let arrow;
@@ -89,7 +89,7 @@ class SideNav extends React.Component {
           {arrow}
         </h3>
         <ul className={ulClassName}>
-          {categoryItem.children.map(item => {
+          {categoryItem.children.map((item) => {
             switch (item.type) {
               case 'LINK':
                 return this.renderItemLink(item);
@@ -104,7 +104,7 @@ class SideNav extends React.Component {
     );
   };
 
-  renderSubcategory = subcategoryItem => (
+  renderSubcategory = (subcategoryItem) => (
     <div className="navGroup subNavGroup" key={subcategoryItem.title}>
       <h4 className="navGroupSubcategoryTitle">
         {this.getLocalizedCategoryString(subcategoryItem.title)}
@@ -113,7 +113,7 @@ class SideNav extends React.Component {
     </div>
   );
 
-  renderItemLink = linkItem => {
+  renderItemLink = (linkItem) => {
     const linkMetadata = linkItem.item;
     const itemClasses = classNames('navListItem', {
       navListItemActive: linkMetadata.id === this.props.current.id,