#155

frontend/src/lib/remark-wiki-autolink.test.ts

@@ -0,0 +1,68 @@
+import { describe, expect, it } from 'vitest'
+
+import remarkWikiAutolink from '@/lib/remark-wiki-autolink'
+
+import type { Root } from 'mdast'
+
+describe ('remarkWikiAutolink', () => {
+  it ('links matching wiki page names and prefers longer matches', () => {
+    const tree: Root = {
+      type:     'root',
+      children: [{
+        type:     'paragraph',
+        children: [{ type: 'text', value: '虹夏 and 虹' }],
+      }],
+    }
+
+    remarkWikiAutolink (['虹', '虹夏']) (tree)
+
+    expect (tree.children[0]).toMatchObject ({
+      type:     'paragraph',
+      children: [
+        {
+          type:     'link',
+          url:      '/wiki/%E8%99%B9%E5%A4%8F',
+          children: [{ type: 'text', value: '虹夏' }],
+        },
+        { type: 'text', value: ' and ' },
+        {
+          type:     'link',
+          url:      '/wiki/%E8%99%B9',
+          children: [{ type: 'text', value: '虹' }],
+        },
+      ],
+    })
+  })
+
+  it ('does not link text inside existing links or code', () => {
+    const tree: Root = {
+      type:     'root',
+      children: [
+        {
+          type:     'paragraph',
+          children: [{
+            type:     'link',
+            url:      '/existing',
+            children: [{ type: 'text', value: '虹' }],
+          }],
+        },
+        {
+          type:  'code',
+          value: '虹',
+        },
+      ],
+    }
+
+    remarkWikiAutolink (['虹']) (tree)
+
+    expect (tree.children[0]).toMatchObject ({
+      type:     'paragraph',
+      children: [{
+        type:     'link',
+        url:      '/existing',
+        children: [{ type: 'text', value: '虹' }],
+      }],
+    })
+    expect (tree.children[1]).toMatchObject ({ type: 'code', value: '虹' })
+  })
+})