From 481c4513d78450951add6177824b7996b89ae034 Mon Sep 17 00:00:00 2001
From: Matias Capeletto <matias.capeletto@gmail.com>
Date: Fri, 22 Jan 2021 15:47:08 +0100
Subject: [PATCH] feat: $lang and $localePath globals (#166) (#167)

close #166

Co-authored-by: Kia King Ishii <kia.king.08@gmail.com>
---
 docs/guide/global-computed.md |  8 ++++++++
 src/client/app/mixin.ts       | 19 +++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/docs/guide/global-computed.md b/docs/guide/global-computed.md
index d1c0d3f119ad..384d0e3889e5 100644
--- a/docs/guide/global-computed.md
+++ b/docs/guide/global-computed.md
@@ -64,6 +64,14 @@ Reference of `$page.frontmatter`.
 }
 ```
 
+## $lang
+
+The language of the current page. Default: `en-US`.
+
+## $localePath
+
+The locale path prefix for the current page. Default: `/`.
+
 ## $title
 
 Value of the `<title>` label used for the current page.
diff --git a/src/client/app/mixin.ts b/src/client/app/mixin.ts
index 24841ce842e3..061c046a307f 100644
--- a/src/client/app/mixin.ts
+++ b/src/client/app/mixin.ts
@@ -42,6 +42,25 @@ export function mixinGlobalComputed(
       }
     },
 
+    $lang: {
+      get() {
+        return siteByRoute.value.lang
+      }
+    },
+
+    $localePath: {
+      get() {
+        const { locales } = site.value
+        const { lang } = siteByRoute.value
+
+        const path = Object.keys(locales).find(
+          (lp) => locales[lp].lang === lang
+        )
+
+        return (locales && path) || '/'
+      }
+    },
+
     $title: {
       get() {
         return page.value.title