feat: Upgrade editor (#1227)

* WIP

* document migration

* fix: Handle clashing keyboard events

* fix: convert getSummary

* fix: parseDocumentIds

* lint

* fix: Remove unused plugin

* Move editor version to header
Add editor version check for API endpoints

* fix: Editor update auto-reload
Bump RME

* test

* bump rme

* Remove slate flow types, improve themeing, bump rme

* bump rme

* fix: parseDocumentIds returning duplicate ID's, improved regression tests

* test

* fix: Missing code styles

* lint

* chore: Upgrade v2 migration to use AST

* Bump RME

* Update welcome doc

* add highlight to keyboard shortcuts ref

* theming improvements

* fix: Code comments show as headings, closes #1255

* loop

* fix: TOC highlighting

* lint

* add: Automated backup of docs before migration

* Update embeds to new format

* fix: React warning

* bump to final editor version 10.0.0

* test

shared/utils/parseDocumentIds.test.js

@@ -1,20 +1,38 @@
 /* eslint-disable flowtype/require-valid-file-annotation */
 import parseDocumentIds from './parseDocumentIds';
 
-it('should return an array of document ids', () => {
+it('should not return non links', () => {
   expect(parseDocumentIds(`# Header`).length).toBe(0);
-  expect(
-    parseDocumentIds(`# Header
+});
+
+it('should return an array of document ids', () => {
+  const result = parseDocumentIds(`# Header
   
-  [title](/doc/test-456733)
-  `)[0]
-  ).toBe('test-456733');
+  [internal](/doc/test-456733)
+  `);
+
+  expect(result.length).toBe(1);
+  expect(result[0]).toBe('test-456733');
+});
+
+it('should not return duplicate document ids', () => {
+  expect(parseDocumentIds(`# Header`).length).toBe(0);
+
+  const result = parseDocumentIds(`# Header
+  
+  [internal](/doc/test-456733)
+
+  [another link to the same doc](/doc/test-456733)
+  `);
+
+  expect(result.length).toBe(1);
+  expect(result[0]).toBe('test-456733');
 });
 
 it('should not return non document links', () => {
-  expect(parseDocumentIds(`[title](http://www.google.com)`).length).toBe(0);
+  expect(parseDocumentIds(`[google](http://www.google.com)`).length).toBe(0);
 });
 
 it('should not return non document relative links', () => {
-  expect(parseDocumentIds(`[title](/developers)`).length).toBe(0);
+  expect(parseDocumentIds(`[relative](/developers)`).length).toBe(0);
 });