docs: added rel=canonical tags

Author: jdx

.prettierignore

@@ -4,7 +4,6 @@ registry/
 docs/cli
 docs/environments.md
 docs/registry.md
-docs/.vitepress/cache
 docs/.vitepress/dist
 docs/public/site.webmanifest
 schema/mise.json.hbs

docs/.vitepress/config.ts

@@ -1,4 +1,4 @@
-import { defineConfig } from "vitepress";
+import { defineConfig, type TransfomContext } from "vitepress";
 import { Command, commands } from "./cli_commands";
 
 // https://vitepress.dev/reference/site-config
@@ -156,6 +156,17 @@ export default defineConfig({
       gtag('config', 'G-B69G389C8T');`,
     ],
   ],
+  transformPageData(pageData) {
+    const canonicalUrl = `https://mise.jdx.dev/${pageData.relativePath}`
+      .replace(/index\.md$/, "")
+      .replace(/\.md$/, ".html");
+
+    pageData.frontmatter.head ??= [];
+    pageData.frontmatter.head.push([
+      "link",
+      { rel: "canonical", href: canonicalUrl },
+    ]);
+  },
 });
 
 function cliReference(commands: { [key: string]: Command }) {

docs/config.ts

@@ -1,10 +1,3 @@
----
-head:
-  - - link
-    - rel: canonical
-      href: https://mise.jdx.dev/dev-tools/comparison-to-asdf
----
-
 # Comparison to asdf
 
 mise can be used as a drop-in replacement for asdf. It supports the same `.tool-versions` files that

docs/dev-tools/comparison-to-asdf.md

@@ -1,10 +1,3 @@
----
-head:
-  - - link
-    - rel: canonical
-      href: https://mise.jdx.dev/lang/bun
----
-
 # Bun
 
 The following are instructions for using the bun mise core plugin. This is used when there isn't a

docs/lang/bun.md

@@ -1,10 +1,3 @@
----
-head:
-  - - link
-    - rel: canonical
-      href: https://mise.jdx.dev/lang/deno
----
-
 # Deno
 
 The following are instructions for using the deno mise core plugin. This is used when there isn't a

docs/lang/deno.md

@@ -1,10 +1,3 @@
----
-head:
-  - - link
-    - rel: canonical
-      href: https://mise.jdx.dev/lang/erlang
----
-
 # Erlang
 
 The following are instructions for using the erlang core plugin.

docs/lang/erlang.md

@@ -1,10 +1,3 @@
----
-head:
-  - - link
-    - rel: canonical
-      href: https://mise.jdx.dev/lang/go
----
-
 # Go
 
 The following are instructions for using the go mise core plugin. This is used when there isn't a

docs/lang/go.md

@@ -1,10 +1,3 @@
----
-head:
-  - - link
-    - rel: canonical
-      href: https://mise.jdx.dev/lang/java
----
-
 # Java
 
 The following are instructions for using the java mise core plugin. This is used when there isn't a

docs/lang/java.md

@@ -1,10 +1,3 @@
----
-head:
-  - - link
-    - rel: canonical
-      href: https://mise.jdx.dev/lang/node
----
-
 # Node
 
 The following are instructions for using the node mise core plugin. This is used when there isn't a