feat: import markdown-it-plugins from https://github.com/hedgedoc/markdown-it-plugins

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

markdown-it-plugins/src/task-lists/index.test.ts

@@ -0,0 +1,74 @@
+/*
+ * SPDX-FileCopyrightText: 2023 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+import MarkdownIt from 'markdown-it/lib'
+import { taskLists } from './index.js'
+import { describe, expect, it } from '@jest/globals'
+
+describe('markdown-it-task-lists', () => {
+  it('renders bullet correctly', () => {
+    const taskListMarkdownParser = new MarkdownIt().use(taskLists)
+    expect(
+      taskListMarkdownParser.render(`
+- [ ] unchecked item 1
+- [ ] unchecked item 2
+- [ ] unchecked item 3
+- [x] checked item 4
+`)
+    ).toMatchSnapshot()
+  })
+
+  it('renders dirty correctly', () => {
+    const taskListMarkdownParser = new MarkdownIt().use(taskLists)
+    expect(
+      taskListMarkdownParser.render(`
+-   [ ] unchecked todo item 1
+- [ ]
+- [  ] not a todo item 2
+- [ x] not a todo item 3
+- [x ] not a todo item 4
+- [ x ] not a todo item 5
+-   [x] todo item 6
+`)
+    ).toMatchSnapshot()
+  })
+
+  it('renders mixedNested correctly', () => {
+    const taskListMarkdownParser = new MarkdownIt().use(taskLists)
+    expect(
+      taskListMarkdownParser.render(`
+# Test 1
+
+1. foo
+   * [ ] nested unchecked item 1
+   * not a todo item 2
+   * not a todo item 3
+   * [x] nested checked item 4
+2. bar
+3. spam
+
+# Test 2
+
+- foo
+  - [ ] nested unchecked item 1
+  - [ ] nested unchecked item 2
+  - [x] nested checked item 3
+  - [X] nested checked item 4
+`)
+    ).toMatchSnapshot()
+  })
+  it('renders ordered correctly', () => {
+    const taskListMarkdownParser = new MarkdownIt().use(taskLists)
+    expect(
+      taskListMarkdownParser.render(`
+1. [x] checked ordered 1
+2. [ ] unchecked ordered 2
+3. [x] checked ordered 3
+4. [ ] unchecked ordered 4
+`)
+    ).toMatchSnapshot()
+  })
+})