1 files changed, 90 insertions, 0 deletions
diff --git a/node_modules/vuepress/lib/app/dataMixin.js b/node_modules/vuepress/lib/app/dataMixin.js
new file mode 100644
index 00000000..fd003d92
--- /dev/null
+++ b/node_modules/vuepress/lib/app/dataMixin.js
@@ -0,0 +1,90 @@
+import Vue from 'vue'
+import { findPageForPath } from './util'
+
+export default function dataMixin (siteData) {
+  prepare(siteData)
+  const store = new Vue({
+    data: { siteData }
+  })
+
+  if (module.hot) {
+    module.hot.accept('./.temp/siteData', () => {
+      prepare(siteData)
+      store.siteData = siteData
+    })
+  }
+
+  return {
+    computed: {
+      $site () {
+        return store.siteData
+      },
+      $localeConfig () {
+        const { locales = {}} = this.$site
+        let targetLang
+        let defaultLang
+        for (const path in locales) {
+          if (path === '/') {
+            defaultLang = locales[path]
+          } else if (this.$page.path.indexOf(path) === 0) {
+            targetLang = locales[path]
+          }
+        }
+        return targetLang || defaultLang || {}
+      },
+      $siteTitle () {
+        return this.$localeConfig.title || this.$site.title || ''
+      },
+      $title () {
+        const page = this.$page
+        const siteTitle = this.$siteTitle
+        const selfTitle = page.frontmatter.home ? null : (
+          page.frontmatter.title || // explicit title
+          page.title // inferred title
+        )
+        return siteTitle
+          ? selfTitle
+            ? (selfTitle + ' | ' + siteTitle)
+            : siteTitle
+          : selfTitle || 'VuePress'
+      },
+      $description () {
+        // #565 hoist description from meta
+        if (this.$page.frontmatter.meta) {
+          const descriptionMeta = this.$page.frontmatter.meta.filter(item => item.name === 'description')[0]
+          if (descriptionMeta) return descriptionMeta.content
+        }
+        return this.$page.frontmatter.description || this.$localeConfig.description || this.$site.description || ''
+      },
+      $lang () {
+        return this.$page.frontmatter.lang || this.$localeConfig.lang || 'en-US'
+      },
+      $localePath () {
+        return this.$localeConfig.path || '/'
+      },
+      $themeLocaleConfig () {
+        return (this.$site.themeConfig.locales || {})[this.$localePath] || {}
+      },
+      $page () {
+        return findPageForPath(
+          this.$site.pages,
+          this.$route.path
+        )
+      }
+    }
+  }
+}
+
+function prepare (siteData) {
+  siteData.pages.forEach(page => {
+    if (!page.frontmatter) {
+      page.frontmatter = {}
+    }
+  })
+  if (siteData.locales) {
+    Object.keys(siteData.locales).forEach(path => {
+      siteData.locales[path].path = path
+    })
+  }
+  Object.freeze(siteData)
+}