1 files changed, 155 insertions, 0 deletions

diff --git a/doc/docs/.vuepress/theme/components/PageEdit.vue b/doc/docs/.vuepress/theme/components/PageEdit.vue
new file mode 100644
index 0000000..cf9b2d2
--- /dev/null
+++ b/doc/docs/.vuepress/theme/components/PageEdit.vue
@@ -0,0 +1,155 @@
+<template>
+  <footer class="page-edit">
+    <div
+      v-if="editLink"
+      class="edit-link"
+    >
+      <a
+        :href="editLink"
+        target="_blank"
+        rel="noopener noreferrer"
+      >{{ editLinkText }}</a>
+      <OutboundLink />
+    </div>
+
+    <div
+      v-if="lastUpdated"
+      class="last-updated"
+    >
+      <span class="prefix">{{ lastUpdatedText }}:</span>
+      <span class="time">{{ lastUpdated }}</span>
+    </div>
+  </footer>
+</template>
+
+<script>
+import isNil from 'lodash/isNil'
+import { endingSlashRE, outboundRE } from '../util'
+
+export default {
+  name: 'PageEdit',
+
+  computed: {
+    lastUpdated () {
+      return this.$page.lastUpdated
+    },
+
+    lastUpdatedText () {
+      if (typeof this.$themeLocaleConfig.lastUpdated === 'string') {
+        return this.$themeLocaleConfig.lastUpdated
+      }
+      if (typeof this.$site.themeConfig.lastUpdated === 'string') {
+        return this.$site.themeConfig.lastUpdated
+      }
+      return 'Last Updated'
+    },
+
+    editLink () {
+      const showEditLink = isNil(this.$page.frontmatter.editLink)
+        ? this.$site.themeConfig.editLinks
+        : this.$page.frontmatter.editLink
+
+      const {
+        repo,
+        docsDir = '',
+        docsBranch = 'master',
+        docsRepo = repo
+      } = this.$site.themeConfig
+
+      if (showEditLink && docsRepo && this.$page.relativePath) {
+        return this.createEditLink(
+          repo,
+          docsRepo,
+          docsDir,
+          docsBranch,
+          this.$page.relativePath
+        )
+      }
+      return null
+    },
+
+    editLinkText () {
+      return (
+        this.$themeLocaleConfig.editLinkText
+        || this.$site.themeConfig.editLinkText
+        || `Edit this page`
+      )
+    }
+  },
+
+  methods: {
+    createEditLink (repo, docsRepo, docsDir, docsBranch, path) {
+      const bitbucket = /bitbucket.org/
+      if (bitbucket.test(docsRepo)) {
+        const base = docsRepo
+        return (
+          base.replace(endingSlashRE, '')
+          + `/src`
+          + `/${docsBranch}/`
+          + (docsDir ? docsDir.replace(endingSlashRE, '') + '/' : '')
+          + path
+          + `?mode=edit&spa=0&at=${docsBranch}&fileviewer=file-view-default`
+        )
+      }
+
+      const gitlab = /gitlab.com/
+      if (gitlab.test(docsRepo)) {
+        const base = docsRepo
+        return (
+          base.replace(endingSlashRE, '')
+          + `/-/edit`
+          + `/${docsBranch}/`
+          + (docsDir ? docsDir.replace(endingSlashRE, '') + '/' : '')
+          + path
+        )
+      }
+
+      const base = outboundRE.test(docsRepo)
+        ? docsRepo
+        : `https://github.com/${docsRepo}`
+      return (
+        base.replace(endingSlashRE, '')
+        + '/edit'
+        + `/${docsBranch}/`
+        + (docsDir ? docsDir.replace(endingSlashRE, '') + '/' : '')
+        + path
+      )
+    }
+  }
+}
+</script>
+
+<style lang="stylus">
+@require '../styles/wrapper.styl'
+
+.page-edit
+  @extend $wrapper
+  padding-top 1rem
+  padding-bottom 1rem
+  overflow auto
+
+  .edit-link
+    display inline-block
+    a
+      color lighten($textColor, 25%)
+      margin-right 0.25rem
+  .last-updated
+    float right
+    font-size 0.9em
+    .prefix
+      font-weight 500
+      color lighten($textColor, 25%)
+    .time
+      font-weight 400
+      color #767676
+
+@media (max-width: $MQMobile)
+  .page-edit
+    .edit-link
+      margin-bottom 0.5rem
+    .last-updated
+      font-size 0.8em
+      float none
+      text-align left
+
+</style>