feat: enhanced i18n (#517)

* fix(Link): support locale path & improve attrs

* fix(contentLocalePath): handle locale prefix

src/defaultTheme/components/atoms/Link.vue

@@ -1,5 +1,5 @@
 <template>
-  <NuxtLink v-if="isInternal" :to="to">
+  <NuxtLink v-if="isInternal" :to="$contentLocalePath(to)">
     <slot />
     <slot name="nuxt-link" />
   </NuxtLink>
@@ -34,7 +34,10 @@ export default defineComponent({
   setup(props) {
     const isInternal = computed(() => !props.static && props.to.startsWith('/') && props.to.startsWith('//') === false)
 
-    const linkAttrs = computed(() => (props.blank ? { rel: 'noopener nofollow', target: '_blank' } : {}))
+    const linkAttrs = computed(() => ({
+      rel: isInternal.value ? undefined : 'noopener nofollow noreferrer',
+      target: blank ? '_blank' : undefined
+    }))
 
     return {
       isInternal,

src/i18n/runtime/plugin.js

@@ -9,10 +9,30 @@ export default function ({ app }, inject) {
   // This helper does not respect `router.trailingSlash`
   // and add/remove trailingSlash baded on original path
   inject('contentLocalePath', path => {
-    let localePath = app.localePath(path)
+    const { localeCodes, defaultLocale } = app.i18n
+
+    /**
+     * If `path` includes a locale do not change the locale
+     */
+    let localePath = localeCodes.some(code => path.startsWith(`/${code}`)) ? path : app.localePath(path)
+
+    /**
+     * Remove default locale from path
+     */
+    if (localePath.startsWith(`/${defaultLocale}`)) {
+      localePath = localePath.replace(`/${defaultLocale}`, '')
+    }
+
+    /**
+     * Preserve trailing slash in generated path
+     */
     if (path.endsWith('/') && !localePath.endsWith('/')) {
       localePath += '/'
     }
+
+    /**
+     * Remove trailing slash from generated path
+     */
     if (!path.endsWith('/') && localePath.endsWith('/')) {
       localePath = localePath.replace(/\/*$/, '')
     }