derive a new edit url for docs from existing value

Author: recrwplay

src/helpers/edit-url-text.js

@@ -1,6 +1,35 @@
 'use strict'
 
+const { posix: path } = require('path')
+
 module.exports = (page) => {
-  if (page.attributes && page.attributes['edit-url-text']) return page.attributes['edit-url-text']
-  return (page.attributes && page.attributes.theme === 'docs') ? 'Raise an issue' : 'Edit this page'
+  const HOSTED_GIT_REPO_RX = /^(?:https?:\/\/|.+@)(git(?:hub|lab)\.com|bitbucket\.org|pagure\.io)[/:](.+?)(?:\.git)?$/
+  const repoPage = page.attributes['edit-url-repo-action'] || 'issues'
+  const repoExtra = repoPage === 'issues' ? 'new' : ''
+  const feedbackTitle = page.attributes['edit-url-title'] || 'Docs Feedback'
+  const feedbackLabels = page.attributes['edit-url-labels'] || ''
+
+  // text for the link is based on the edit-url-text attribute, or page theme
+  const text = (page.attributes && page.attributes['edit-url-text'])
+    ? page.attributes['edit-url-text']
+    : (page.attributes && page.attributes.theme === 'docs')
+      ? 'Raise an issue'
+      : 'Edit this page'
+
+  // url for docs can be derived from page.editUrl
+  // and updated to link to the repo issues page
+  // for other themes, page.editUrl is used
+  let url = page.editUrl
+  if (page.attributes && page.attributes.theme === 'docs') {
+    const match = url.match(HOSTED_GIT_REPO_RX)
+    const editDetails = match[2].split('/')
+    let query = `?title=${feedbackTitle}: ${path.join(...editDetails.slice(4))} (ref: ${editDetails[3]})`
+    query += feedbackLabels !== '' ? `&labels=${feedbackLabels}` : ''
+    url = 'https://' + path.join(match[1], editDetails[0], editDetails[1], repoPage, repoExtra, query)
+  }
+
+  return {
+    text: text,
+    url: encodeURI(url),
+  }
 }

src/partials/edit-this-page-link.hbs

@@ -2,6 +2,8 @@
   {{#if (and page.fileUri (not env.CI))}}
     <div class="edit-this-page"><a href="{{page.fileUri}}">Edit this Page</a></div>
   {{else if (and page.editUrl (or env.FORCE_SHOW_EDIT_PAGE_LINK (not page.origin.private)))}}
-    <div class="edit-this-page"><a href="{{page.editUrl}}">{{#with (edit-url-text page)}}{{{this}}}{{/with}}</a></div>
+    {{#with (edit-url-text page)}}
+    <div class="edit-this-page"><a href="{{{this.url}}}">{{{this.text}}}</a></div>
+    {{/with}}
   {{/if}}
 {{/unless}}