From c4315a1eaddbb8e4db739f9b016e2e44900c1725 Mon Sep 17 00:00:00 2001
From: Joshua Chen <sidachen2003@gmail.com>
Date: Mon, 18 Jul 2022 18:57:32 +0800
Subject: [PATCH] fix(utils): recognize ~~~ as code fences in link replacement

---
 .../__snapshots__/markdownLinks.test.ts.snap         | 12 ++++++++++++
 .../src/__tests__/markdownLinks.test.ts              | 12 ++++++++++++
 packages/docusaurus-utils/src/markdownLinks.ts       |  6 +++---
 3 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/packages/docusaurus-utils/src/__tests__/__snapshots__/markdownLinks.test.ts.snap b/packages/docusaurus-utils/src/__tests__/__snapshots__/markdownLinks.test.ts.snap
index f42727544ff09..18260d1b60512 100644
--- a/packages/docusaurus-utils/src/__tests__/__snapshots__/markdownLinks.test.ts.snap
+++ b/packages/docusaurus-utils/src/__tests__/__snapshots__/markdownLinks.test.ts.snap
@@ -76,6 +76,18 @@ exports[`replaceMarkdownLinks ignores links in fenced blocks 1`] = `
 \`\`\`
 [foo](foo.md)
 \`\`\`\`
+
+~~~js
+[foo](foo.md)
+~~~
+
+~~~js
+[foo](foo.md)
+\`\`\`
+[foo](foo.md)
+\`\`\`
+[foo](foo.md)
+~~~
 ",
 }
 `;
diff --git a/packages/docusaurus-utils/src/__tests__/markdownLinks.test.ts b/packages/docusaurus-utils/src/__tests__/markdownLinks.test.ts
index 46df9f1e66293..4a17e1140afb6 100644
--- a/packages/docusaurus-utils/src/__tests__/markdownLinks.test.ts
+++ b/packages/docusaurus-utils/src/__tests__/markdownLinks.test.ts
@@ -179,6 +179,18 @@ The following operations are defined for [URI]s:
 \`\`\`
 [foo](foo.md)
 \`\`\`\`
+
+~~~js
+[foo](foo.md)
+~~~
+
+~~~js
+[foo](foo.md)
+\`\`\`
+[foo](foo.md)
+\`\`\`
+[foo](foo.md)
+~~~
 `,
       }),
     ).toMatchSnapshot();
diff --git a/packages/docusaurus-utils/src/markdownLinks.ts b/packages/docusaurus-utils/src/markdownLinks.ts
index af322fe840d27..7938e7afed880 100644
--- a/packages/docusaurus-utils/src/markdownLinks.ts
+++ b/packages/docusaurus-utils/src/markdownLinks.ts
@@ -85,14 +85,14 @@ export function replaceMarkdownLinks<T extends ContentPaths>({
   let fencedBlock = false;
   let lastCodeFence = '';
   const lines = fileString.split('\n').map((line) => {
-    if (line.trim().startsWith('```')) {
-      const codeFence = line.trim().match(/^`+/)![0]!;
+    const codeFence = line.trimStart().match(/^`{3,}|^~{3,}/)?.[0];
+    if (codeFence) {
       if (!fencedBlock) {
         fencedBlock = true;
         lastCodeFence = codeFence;
         // If we are in a ````-fenced block, all ``` would be plain text instead
         // of fences
-      } else if (codeFence.length >= lastCodeFence.length) {
+      } else if (codeFence.startsWith(lastCodeFence)) {
         fencedBlock = false;
       }
     }