feat: Adding support for i18n (closes #462) (#738)

* fix: alt error mix with height/width

More granular detection of alt and resize in image

* fix: format

* feat: init i18n

* feat: add translation

* style: prettier for test

* fix: build-up the locale to fusion with dateLocale

* style: run prettier

* remove cursed file

* refactor: remove i18n library and use locale way instead

* format with prettier

* forgot to remove test

* prevent merging error

* format

* format

* fix: allow string for locale
- Check during translation if valid / existing locale
- Allow to use "en" and "en-US" for example
- Add fallback directly in the function
- Add default key in the function
- Add docstring to cfg.ts

* forgot item translation

* remove unused locale variable

* forgot to remove fr-FR testing

* format

quartz/components/TableOfContents.tsx

@@ -5,6 +5,7 @@ import { classNames } from "../util/lang"
 
 // @ts-ignore
 import script from "./scripts/toc.inline"
+import { i18n } from "../i18n/i18next"
 
 interface Options {
   layout: "modern" | "legacy"
@@ -14,7 +15,7 @@ const defaultOptions: Options = {
   layout: "modern",
 }
 
-function TableOfContents({ fileData, displayClass }: QuartzComponentProps) {
+function TableOfContents({ fileData, displayClass, cfg }: QuartzComponentProps) {
   if (!fileData.toc) {
     return null
   }
@@ -22,7 +23,7 @@ function TableOfContents({ fileData, displayClass }: QuartzComponentProps) {
   return (
     <div class={classNames(displayClass, "toc")}>
       <button type="button" id="toc" class={fileData.collapseToc ? "collapsed" : ""}>
-        <h3>Table of Contents</h3>
+        <h3>{i18n(cfg.locale, "tableOfContent")}</h3>
         <svg
           xmlns="http://www.w3.org/2000/svg"
           width="24"
@@ -55,15 +56,14 @@ function TableOfContents({ fileData, displayClass }: QuartzComponentProps) {
 TableOfContents.css = modernStyle
 TableOfContents.afterDOMLoaded = script
 
-function LegacyTableOfContents({ fileData }: QuartzComponentProps) {
+function LegacyTableOfContents({ fileData, cfg }: QuartzComponentProps) {
   if (!fileData.toc) {
     return null
   }
-
   return (
     <details id="toc" open={!fileData.collapseToc}>
       <summary>
-        <h3>Table of Contents</h3>
+        <h3>{i18n(cfg.locale, "tableOfContent")}</h3>
       </summary>
       <ul>
         {fileData.toc.map((tocEntry) => (