From 8cb594f438ab340043df88c0c977c1f40968e135 Mon Sep 17 00:00:00 2001
From: moonrailgun <moonrailgun@gmail.com>
Date: Tue, 15 Sep 2020 16:10:48 +0800
Subject: [PATCH 1/2] feat(v2): add relative uri support

---
 .../src/__tests__/validationSchemas.test.ts                   | 3 +++
 packages/docusaurus-utils-validation/src/validationSchemas.ts | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/packages/docusaurus-utils-validation/src/__tests__/validationSchemas.test.ts b/packages/docusaurus-utils-validation/src/__tests__/validationSchemas.test.ts
index 4045a838e070..165dd5a3cb40 100644
--- a/packages/docusaurus-utils-validation/src/__tests__/validationSchemas.test.ts
+++ b/packages/docusaurus-utils-validation/src/__tests__/validationSchemas.test.ts
@@ -111,11 +111,14 @@ describe('validation schemas', () => {
   test('URISchema', () => {
     const validURL = 'https://docusaurus.io';
     const doubleHash = 'https://docusaurus.io#github#/:';
+    const relativeUrl = '//docusaurus.io';
     const invalidURL = 'invalidURL';
     const urlFromIssue = 'https://riot.im/app/#/room/#ligo-public:matrix.org';
+
     const {testFail, testOK} = createTestHelpers({schema: URISchema});
     testOK(validURL);
     testOK(doubleHash);
+    testOK(relativeUrl);
     testFail(invalidURL);
     testOK(urlFromIssue);
   });
diff --git a/packages/docusaurus-utils-validation/src/validationSchemas.ts b/packages/docusaurus-utils-validation/src/validationSchemas.ts
index 4e2d57dac1ac..e9c3f934472c 100644
--- a/packages/docusaurus-utils-validation/src/validationSchemas.ts
+++ b/packages/docusaurus-utils-validation/src/validationSchemas.ts
@@ -29,6 +29,10 @@ export const URISchema = Joi.alternatives(
   Joi.string().uri(),
   Joi.custom((val, helpers) => {
     try {
+      if (typeof val === 'string' && val.startsWith('//')) {
+        return val;
+      }
+
       const url = new URL(val);
       if (url) {
         return val;

From 0f65fd26fae42d3011b1546617a096111fb2ce6f Mon Sep 17 00:00:00 2001
From: slorber <lorber.sebastien@gmail.com>
Date: Tue, 29 Sep 2020 18:52:55 +0200
Subject: [PATCH 2/2] add // protocol relative uris test case

---
 .../src/__tests__/validationSchemas.test.ts           | 11 +++++++----
 .../src/validationSchemas.ts                          |  4 ----
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/packages/docusaurus-utils-validation/src/__tests__/validationSchemas.test.ts b/packages/docusaurus-utils-validation/src/__tests__/validationSchemas.test.ts
index ff52b8b6c12d..fa3ed289d32f 100644
--- a/packages/docusaurus-utils-validation/src/__tests__/validationSchemas.test.ts
+++ b/packages/docusaurus-utils-validation/src/__tests__/validationSchemas.test.ts
@@ -109,21 +109,24 @@ describe('validation schemas', () => {
   });
 
   test('URISchema', () => {
+    const {testFail, testOK} = createTestHelpers({schema: URISchema});
+
     const validURL = 'https://docusaurus.io';
     const doubleHash = 'https://docusaurus.io#github#/:';
-    const relativeUrl = '//docusaurus.io';
     const invalidURL = 'spaces are invalid in a URL';
     const relativeURL = 'relativeURL';
     const relativeURLWithParent = '../relativeURLWithParent';
     const urlFromIssue = 'https://riot.im/app/#/room/#ligo-public:matrix.org';
-
-    const {testFail, testOK} = createTestHelpers({schema: URISchema});
     testOK(validURL);
     testOK(doubleHash);
-    testOK(relativeUrl);
     testFail(invalidURL);
     testOK(relativeURL);
     testOK(relativeURLWithParent);
     testOK(urlFromIssue);
+
+    const protocolRelativeUrl1 = '//docusaurus.io/path';
+    const protocolRelativeUrl2 = '//docusaurus.io/docs/doc1#hash';
+    testOK(protocolRelativeUrl1);
+    testOK(protocolRelativeUrl2);
   });
 });
diff --git a/packages/docusaurus-utils-validation/src/validationSchemas.ts b/packages/docusaurus-utils-validation/src/validationSchemas.ts
index ace70e546e81..d4cee25f1cec 100644
--- a/packages/docusaurus-utils-validation/src/validationSchemas.ts
+++ b/packages/docusaurus-utils-validation/src/validationSchemas.ts
@@ -29,10 +29,6 @@ export const URISchema = Joi.alternatives(
   Joi.string().uri({allowRelative: true}),
   Joi.custom((val, helpers) => {
     try {
-      if (typeof val === 'string' && val.startsWith('//')) {
-        return val;
-      }
-
       const url = new URL(val);
       if (url) {
         return val;