chore: improve accessibility

14 files changed, 230 insertions, 17 deletions

diff --git a/src/components/FooterNav/FooterNav.tsx b/src/components/FooterNav/FooterNav.tsx
index 918fed7..f1fd0b7 100644
--- a/src/components/FooterNav/FooterNav.tsx
+++ b/src/components/FooterNav/FooterNav.tsx
@@ -29,7 +29,13 @@ const FooterNav = () => {
 
   return (
     <div className={styles.wrapper}>
-      <nav className={styles.nav}>
+      <nav
+        className={styles.nav}
+        aria-label={intl.formatMessage({
+          defaultMessage: 'Footer',
+          description: 'FooterNav: aria-label',
+        })}
+      >
         <ul className={styles.list}>{navItems}</ul>
       </nav>
     </div>
diff --git a/src/components/MainNav/MainNav.tsx b/src/components/MainNav/MainNav.tsx
index e996e89..c7789ba 100644
--- a/src/components/MainNav/MainNav.tsx
+++ b/src/components/MainNav/MainNav.tsx
@@ -151,7 +151,13 @@ const MainNav = ({
               })}
         </span>
       </label>
-      <nav className={styles.nav}>
+      <nav
+        className={styles.nav}
+        aria-label={intl.formatMessage({
+          defaultMessage: 'Primary',
+          description: 'MainNav: aria-label',
+        })}
+      >
         <ul className={styles.list}>{navItems}</ul>
       </nav>
     </div>
diff --git a/src/components/PostsList/PostsList.tsx b/src/components/PostsList/PostsList.tsx
index 16deee3..b57630e 100644
--- a/src/components/PostsList/PostsList.tsx
+++ b/src/components/PostsList/PostsList.tsx
@@ -50,7 +50,11 @@ const PostsList = (
                   <li className={styles.item}>
                     <PostPreview post={post} titleLevel={titleLevel} />
                   </li>
-                  {isLastPost && <span ref={ref} tabIndex={-1} />}
+                  {isLastPost && (
+                    <li className={styles.item}>
+                      <span ref={ref} tabIndex={-1} />
+                    </li>
+                  )}
                 </Fragment>
               );
             })}
diff --git a/src/components/SearchForm/SearchForm.tsx b/src/components/SearchForm/SearchForm.tsx
index 38ae60d..da6f25c 100644
--- a/src/components/SearchForm/SearchForm.tsx
+++ b/src/components/SearchForm/SearchForm.tsx
@@ -35,6 +35,12 @@ const SearchForm = ({ isOpened }: { isOpened: boolean }) => {
         })}
       </div>
       <Form submitHandler={launchSearch} modifier="search">
+        <label htmlFor="search-query" className="screen-reader-text">
+          {intl.formatMessage({
+            defaultMessage: 'Keywords:',
+            description: 'SearchForm: search field label',
+          })}
+        </label>
         <Input
           ref={inputRef}
           id="search-query"
diff --git a/src/components/Sidebar/Sidebar.tsx b/src/components/Sidebar/Sidebar.tsx
index f319f9e..9e2079d 100644
--- a/src/components/Sidebar/Sidebar.tsx
+++ b/src/components/Sidebar/Sidebar.tsx
@@ -6,10 +6,12 @@ type SidebarPosition = 'left' | 'right';
 const Sidebar = ({
   children,
   position,
+  ariaLabel,
   title,
 }: {
   children: ReactNode;
   position: SidebarPosition;
+  ariaLabel?: string;
   title?: string;
 }) => {
   const childrenWithProps = Children.map(children, (child) => {
@@ -22,9 +24,13 @@ const Sidebar = ({
   const positionClass = `wrapper--${position}`;
 
   return (
-    <aside className={`${styles.wrapper} ${styles[positionClass]}`}>
+    <aside
+      className={`${styles.wrapper} ${styles[positionClass]}`}
+      aria-label={ariaLabel}
+      aria-labelledby={title ? `${position}-sidebar-title` : undefined}
+    >
       <div className={styles.body}>
-        {title && <h2>{title}</h2>}
+        {title && <h2 id={`${position}-sidebar-title`}>{title}</h2>}
         {childrenWithProps}
       </div>
     </aside>
diff --git a/src/components/Widgets/ToC/ToC.tsx b/src/components/Widgets/ToC/ToC.tsx
index 8a2d493..f3f783c 100644
--- a/src/components/Widgets/ToC/ToC.tsx
+++ b/src/components/Widgets/ToC/ToC.tsx
@@ -1,7 +1,7 @@
 import { ExpandableWidget, OrderedList } from '@components/WidgetParts';
 import { Heading } from '@ts/types/app';
 import useHeadingsTree from '@utils/hooks/useHeadingsTree';
-import { useIntl } from 'react-intl';
+import { FormattedMessage, useIntl } from 'react-intl';
 
 const ToC = () => {
   const intl = useIntl();
@@ -15,7 +15,18 @@ const ToC = () => {
     return headings.map((heading) => {
       return (
         <li key={heading.id}>
-          <a href={`#${heading.id}`}>{heading.title}</a>
+          <a href={`#${heading.id}`}>
+            <FormattedMessage
+              defaultMessage="<a11y>Jump to </a11y>{title}"
+              description="ToC: link"
+              values={{
+                title: heading.title,
+                a11y: (chunks: string) => (
+                  <span className="screen-reader-text">{chunks}</span>
+                ),
+              }}
+            />
+          </a>
           {heading.children.length > 0 && (
             <OrderedList items={getItems(heading.children)} />
           )}
diff --git a/src/content b/src/content
-Subproject 94917e7d3d431dadf3d3920bf5aa31fd5dcdddf
+Subproject 4ef65066368e293376a9b39476010a843e8e38e
diff --git a/src/i18n/en.json b/src/i18n/en.json
index 015e87c..4f01ec1 100644
--- a/src/i18n/en.json
+++ b/src/i18n/en.json
@@ -67,6 +67,10 @@
     "defaultMessage": "Legal notice - {websiteName}",
     "description": "LegalNoticePage: SEO - Page title"
   },
+  "6dXfvr": {
+    "defaultMessage": "Table of Contents",
+    "description": "ProjectPage: ToC sidebar aria-label"
+  },
   "6ibqFS": {
     "defaultMessage": "Name",
     "description": "ContactForm: name field label"
@@ -83,6 +87,10 @@
     "defaultMessage": "Please fill the form to contact me.",
     "description": "ContactPage: page introduction"
   },
+  "9nhYRA": {
+    "defaultMessage": "Table of Contents",
+    "description": "ArticlePage: ToC sidebar aria-label"
+  },
   "A4LTGq": {
     "defaultMessage": "Discover search results for {query}",
     "description": "SearchPage: meta description with query"
@@ -155,6 +163,18 @@
     "defaultMessage": "Reading time:",
     "description": "Article meta"
   },
+  "GgIWnN": {
+    "defaultMessage": "<a11y>Jump to </a11y>{title}",
+    "description": "ToC: link"
+  },
+  "H7C5Bk": {
+    "defaultMessage": "Primary",
+    "description": "MainNav: aria-label"
+  },
+  "HTdaZj": {
+    "defaultMessage": "Footer",
+    "description": "FooterNav: aria-label"
+  },
   "HriY57": {
     "defaultMessage": "Thematics",
     "description": "BlogPage: thematics list widget title"
@@ -175,6 +195,10 @@
     "defaultMessage": "Comment",
     "description": "CommentForm: Comment field label"
   },
+  "JeYOeA": {
+    "defaultMessage": "Sidebar",
+    "description": "ArticlePage: right sidebar aria-label"
+  },
   "KERk7L": {
     "defaultMessage": "Filter by:",
     "description": "BlogPage: sidebar title"
@@ -255,6 +279,10 @@
     "defaultMessage": "Failed to load.",
     "description": "ThematicsList: failed to load text"
   },
+  "QHOm5t": {
+    "defaultMessage": "Sidebar",
+    "description": "CVPage: right sidebar aria-label"
+  },
   "Qh2CwH": {
     "defaultMessage": "Find me elsewhere",
     "description": "ContactPage: social media widget title"
@@ -351,6 +379,14 @@
     "defaultMessage": "Read more articles about:",
     "description": "PostFooter: read more posts about given subjects"
   },
+  "YvMPuD": {
+    "defaultMessage": "Keywords:",
+    "description": "SearchForm: search field label"
+  },
+  "YwvYfw": {
+    "defaultMessage": "Table of Contents",
+    "description": "ThematicPage: ToC sidebar aria-label"
+  },
   "Z1eSIz": {
     "defaultMessage": "Open {type}",
     "description": "ButtonToolbar: Open button"
@@ -435,6 +471,10 @@
     "defaultMessage": "{count, plural, =0 {Technologies:} one {Technology:} other {Technologies:}}",
     "description": "ProjectSummary: technologies list label"
   },
+  "eu3beS": {
+    "defaultMessage": "Sidebar",
+    "description": "TopicPage: right sidebar aria-label"
+  },
   "fGnfqp": {
     "defaultMessage": "Published on:",
     "description": "PostMeta: publication date label"
@@ -443,10 +483,18 @@
     "defaultMessage": "Failed to load.",
     "description": "SearchPage: failed to load text"
   },
+  "g4DckL": {
+    "defaultMessage": "Table of Contents",
+    "description": "CVPage: ToC sidebar aria-label"
+  },
   "gQKeF+": {
     "defaultMessage": "Thanks. Your message was successfully sent. I will answer it as soon as possible.",
     "description": "ContactForm: success message"
   },
+  "hHrNd0": {
+    "defaultMessage": "Sidebar",
+    "description": "ProjectPage: right sidebar aria-label"
+  },
   "hKagVG": {
     "defaultMessage": "License:",
     "description": "ProjectSummary: license label"
@@ -491,6 +539,10 @@
     "defaultMessage": "Email",
     "description": "Sharing: Email"
   },
+  "lsDB5G": {
+    "defaultMessage": "Table of Contents",
+    "description": "TopicPage: ToC sidebar aria-label"
+  },
   "mC21ht": {
     "defaultMessage": "Number of articles loaded out of the total available.",
     "description": "PaginationCursor: loaded articles count aria-label"
@@ -555,6 +607,10 @@
     "defaultMessage": "Published on:",
     "description": "Comment: publication date label"
   },
+  "syLgY9": {
+    "defaultMessage": "Sidebar",
+    "description": "ThematicPage: right sidebar aria-label"
+  },
   "tMuNTy": {
     "defaultMessage": "{websiteName} is a front-end developer located in France. He codes and he writes mostly about web development and open-source.",
     "description": "HomePage: SEO - Meta description"
diff --git a/src/i18n/fr.json b/src/i18n/fr.json
index b20a241..812475b 100644
--- a/src/i18n/fr.json
+++ b/src/i18n/fr.json
@@ -67,6 +67,10 @@
     "defaultMessage": "Mentions légales - {websiteName}",
     "description": "LegalNoticePage: SEO - Page title"
   },
+  "6dXfvr": {
+    "defaultMessage": "Table des matières",
+    "description": "ProjectPage: ToC sidebar aria-label"
+  },
   "6ibqFS": {
     "defaultMessage": "Nom",
     "description": "ContactForm: name field label"
@@ -83,6 +87,10 @@
     "defaultMessage": "Veuillez remplir le formulaire pour me contacter.",
     "description": "ContactPage: page introduction"
   },
+  "9nhYRA": {
+    "defaultMessage": "Table des matières",
+    "description": "ArticlePage: ToC sidebar aria-label"
+  },
   "A4LTGq": {
     "defaultMessage": "Découvrez les résultats de recherche pour {query}",
     "description": "SearchPage: meta description with query"
@@ -155,6 +163,18 @@
     "defaultMessage": "Temps de lecture :",
     "description": "Article meta"
   },
+  "GgIWnN": {
+    "defaultMessage": "<a11y>Atteindre </a11y>{title}",
+    "description": "ToC: link"
+  },
+  "H7C5Bk": {
+    "defaultMessage": "Principal",
+    "description": "MainNav: aria-label"
+  },
+  "HTdaZj": {
+    "defaultMessage": "Pied de page",
+    "description": "FooterNav: aria-label"
+  },
   "HriY57": {
     "defaultMessage": "Thématiques",
     "description": "BlogPage: thematics list widget title"
@@ -175,6 +195,10 @@
     "defaultMessage": "Commentaire",
     "description": "CommentForm: Comment field label"
   },
+  "JeYOeA": {
+    "defaultMessage": "Barre latérale",
+    "description": "ArticlePage: right sidebar aria-label"
+  },
   "KERk7L": {
     "defaultMessage": "Filtrer par :",
     "description": "BlogPage: sidebar title"
@@ -255,6 +279,10 @@
     "defaultMessage": "Échec du chargement.",
     "description": "ThematicsList: failed to load text"
   },
+  "QHOm5t": {
+    "defaultMessage": "Barre latérale",
+    "description": "CVPage: right sidebar aria-label"
+  },
   "Qh2CwH": {
     "defaultMessage": "Retrouvez-moi ailleurs",
     "description": "ContactPage: social media widget title"
@@ -351,6 +379,14 @@
     "defaultMessage": "Lire plus d'articles à propos de :",
     "description": "PostFooter: read more posts about given subjects"
   },
+  "YvMPuD": {
+    "defaultMessage": "Mots-clés :",
+    "description": "SearchForm: search field label"
+  },
+  "YwvYfw": {
+    "defaultMessage": "Table des matières",
+    "description": "ThematicPage: ToC sidebar aria-label"
+  },
   "Z1eSIz": {
     "defaultMessage": "Ouvrez {type}",
     "description": "ButtonToolbar: Open button"
@@ -435,6 +471,10 @@
     "defaultMessage": "{count, plural, =0 {Technologies :} one {Technologie :} other {Technologies :}}",
     "description": "ProjectSummary: technologies list label"
   },
+  "eu3beS": {
+    "defaultMessage": "Barre latérale",
+    "description": "TopicPage: right sidebar aria-label"
+  },
   "fGnfqp": {
     "defaultMessage": "Publié le :",
     "description": "PostMeta: publication date label"
@@ -443,10 +483,18 @@
     "defaultMessage": "Échec du chargement.",
     "description": "SearchPage: failed to load text"
   },
+  "g4DckL": {
+    "defaultMessage": "Table des matières",
+    "description": "CVPage: ToC sidebar aria-label"
+  },
   "gQKeF+": {
     "defaultMessage": "Merci. Votre message a bien été envoyé. J'y répondrai dès que possible.",
     "description": "ContactForm: success message"
   },
+  "hHrNd0": {
+    "defaultMessage": "Barre latérale",
+    "description": "ProjectPage: right sidebar aria-label"
+  },
   "hKagVG": {
     "defaultMessage": "Licence :",
     "description": "ProjectSummary: license label"
@@ -491,6 +539,10 @@
     "defaultMessage": "Email",
     "description": "Sharing: Email"
   },
+  "lsDB5G": {
+    "defaultMessage": "Table des matières",
+    "description": "TopicPage: ToC sidebar aria-label"
+  },
   "mC21ht": {
     "defaultMessage": "Nombre d'articles chargés sur le total disponible.",
     "description": "PaginationCursor: loaded articles count aria-label"
@@ -555,6 +607,10 @@
     "defaultMessage": "Publié le :",
     "description": "Comment: publication date label"
   },
+  "syLgY9": {
+    "defaultMessage": "Barre latérale",
+    "description": "ThematicPage: right sidebar aria-label"
+  },
   "tMuNTy": {
     "defaultMessage": "{websiteName} est intégrateur web / développeur front-end en France. Il code et il écrit essentiellement à propos de développement web et du libre.",
     "description": "HomePage: SEO - Meta description"
diff --git a/src/pages/article/[slug].tsx b/src/pages/article/[slug].tsx
index faf2271..689f123 100644
--- a/src/pages/article/[slug].tsx
+++ b/src/pages/article/[slug].tsx
@@ -175,7 +175,13 @@ const SingleArticle: NextPageWithLayout<ArticleProps> = ({ post }) => {
         data-prismjs-color-scheme-light={lightTheme}
       >
         <PostHeader intro={intro} meta={meta} title={title} />
-        <Sidebar position="left">
+        <Sidebar
+          position="left"
+          ariaLabel={intl.formatMessage({
+            defaultMessage: 'Table of Contents',
+            description: 'ArticlePage: ToC sidebar aria-label',
+          })}
+        >
           <ToC />
         </Sidebar>
         <div
@@ -183,7 +189,13 @@ const SingleArticle: NextPageWithLayout<ArticleProps> = ({ post }) => {
           dangerouslySetInnerHTML={{ __html: content }}
         ></div>
         <PostFooter topics={topics} />
-        <Sidebar position="right">
+        <Sidebar
+          position="right"
+          ariaLabel={intl.formatMessage({
+            defaultMessage: 'Sidebar',
+            description: 'ArticlePage: right sidebar aria-label',
+          })}
+        >
           <Sharing title={title} excerpt={intro} />
         </Sidebar>
         <section id="comments" className={styles.comments}>
diff --git a/src/pages/cv.tsx b/src/pages/cv.tsx
index 311d0ce..e77c586 100644
--- a/src/pages/cv.tsx
+++ b/src/pages/cv.tsx
@@ -110,13 +110,25 @@ const CV: NextPageWithLayout = () => {
         className={`${styles.article} ${styles['article--no-comments']}`}
       >
         <PostHeader intro={intro} meta={pageMeta} title={meta.title} />
-        <Sidebar position="left">
+        <Sidebar
+          position="left"
+          ariaLabel={intl.formatMessage({
+            defaultMessage: 'Table of Contents',
+            description: 'CVPage: ToC sidebar aria-label',
+          })}
+        >
           <ToC />
         </Sidebar>
         <div className={styles.body}>
           <CVContent />
         </div>
-        <Sidebar position="right">
+        <Sidebar
+          position="right"
+          ariaLabel={intl.formatMessage({
+            defaultMessage: 'Sidebar',
+            description: 'CVPage: right sidebar aria-label',
+          })}
+        >
           <CVPreview
             title={intl.formatMessage({
               defaultMessage: 'Others formats',
diff --git a/src/pages/projet/[slug].tsx b/src/pages/projet/[slug].tsx
index f96da0e..f72063a 100644
--- a/src/pages/projet/[slug].tsx
+++ b/src/pages/projet/[slug].tsx
@@ -22,6 +22,7 @@ import Head from 'next/head';
 import { useRouter } from 'next/router';
 import { ParsedUrlQuery } from 'querystring';
 import { ComponentType } from 'react';
+import { useIntl } from 'react-intl';
 import { Article, Graph, WebPage } from 'schema-dts';
 
 const Project: NextPageWithLayout<ProjectProps> = ({
@@ -29,6 +30,7 @@ const Project: NextPageWithLayout<ProjectProps> = ({
 }: {
   project: ProjectData;
 }) => {
+  const intl = useIntl();
   const router = useRouter();
   const projectUrl = `${settings.url}${router.asPath}`;
   const { id, intro, meta, title, seo } = project;
@@ -107,14 +109,26 @@ const Project: NextPageWithLayout<ProjectProps> = ({
         className={`${styles.article} ${styles['article--no-comments']}`}
       >
         <PostHeader title={title} intro={intro} meta={{ dates }} />
-        <Sidebar position="left">
+        <Sidebar
+          position="left"
+          ariaLabel={intl.formatMessage({
+            defaultMessage: 'Table of Contents',
+            description: 'ProjectPage: ToC sidebar aria-label',
+          })}
+        >
           <ToC />
         </Sidebar>
         <div className={styles.body}>
           <ProjectSummary id={id} title={title} meta={meta} />
           <ProjectContent components={components} />
         </div>
-        <Sidebar position="right">
+        <Sidebar
+          position="right"
+          ariaLabel={intl.formatMessage({
+            defaultMessage: 'Sidebar',
+            description: 'ProjectPage: right sidebar aria-label',
+          })}
+        >
           <Sharing title={title} excerpt={intro} />
         </Sidebar>
       </article>
diff --git a/src/pages/sujet/[slug].tsx b/src/pages/sujet/[slug].tsx
index ca7d7cd..910c02c 100644
--- a/src/pages/sujet/[slug].tsx
+++ b/src/pages/sujet/[slug].tsx
@@ -126,7 +126,13 @@ const Topic: NextPageWithLayout<TopicProps> = ({ topic }) => {
           meta={meta}
           title={topic.title}
         />
-        <Sidebar position="left">
+        <Sidebar
+          position="left"
+          ariaLabel={intl.formatMessage({
+            defaultMessage: 'Table of Contents',
+            description: 'TopicPage: ToC sidebar aria-label',
+          })}
+        >
           <ToC />
         </Sidebar>
         <div className={styles.body}>
@@ -146,7 +152,13 @@ const Topic: NextPageWithLayout<TopicProps> = ({ topic }) => {
             </section>
           )}
         </div>
-        <Sidebar position="right">
+        <Sidebar
+          position="right"
+          ariaLabel={intl.formatMessage({
+            defaultMessage: 'Sidebar',
+            description: 'TopicPage: right sidebar aria-label',
+          })}
+        >
           <RelatedThematics thematics={relatedThematics.current} />
           <TopicsList
             title={intl.formatMessage({
diff --git a/src/pages/thematique/[slug].tsx b/src/pages/thematique/[slug].tsx
index df7ff1a..166e0bb 100644
--- a/src/pages/thematique/[slug].tsx
+++ b/src/pages/thematique/[slug].tsx
@@ -116,7 +116,13 @@ const Thematic: NextPageWithLayout<ThematicProps> = ({ thematic }) => {
         className={`${styles.article} ${styles['article--no-comments']}`}
       >
         <PostHeader intro={thematic.intro} meta={meta} title={thematic.title} />
-        <Sidebar position="left">
+        <Sidebar
+          position="left"
+          ariaLabel={intl.formatMessage({
+            defaultMessage: 'Table of Contents',
+            description: 'ThematicPage: ToC sidebar aria-label',
+          })}
+        >
           <ToC />
         </Sidebar>
         <div className={styles.body}>
@@ -136,7 +142,13 @@ const Thematic: NextPageWithLayout<ThematicProps> = ({ thematic }) => {
             </section>
           )}
         </div>
-        <Sidebar position="right">
+        <Sidebar
+          position="right"
+          ariaLabel={intl.formatMessage({
+            defaultMessage: 'Sidebar',
+            description: 'ThematicPage: right sidebar aria-label',
+          })}
+        >
           <RelatedTopics topics={relatedTopics.current} />
           <ThematicsList
             title={intl.formatMessage({