snapshot of https://github.com/ueberdosis/tiptap.git (main, 2026-09-15; blobs > 131072B omitted)

packages/markdown/tests/integration/list-indentation.test.ts

@@ -0,0 +1,52 @@
+import { Document } from '@tiptap/extension-document'
+import { BulletList, ListItem, OrderedList } from '@tiptap/extension-list'
+import { Paragraph } from '@tiptap/extension-paragraph'
+import { Text } from '@tiptap/extension-text'
+import { MarkdownManager } from '@tiptap/markdown'
+import { describe, expect, it } from 'vite-plus/test'
+
+const manager = (indentation?: { style?: 'space' | 'tab'; size?: number }) =>
+  new MarkdownManager({
+    extensions: [Document, Paragraph, Text, BulletList, OrderedList, ListItem],
+    ...(indentation ? { indentation } : {}),
+  } as any)
+
+const roundTrip = (mm: MarkdownManager, markdown: string) => mm.serialize(mm.parse(markdown) as any)
+
+const ordered = ['1. one', '   1. inner', '2. two'].join('\n')
+const orderedWide = ['10. ten', '    1. inner', '11. eleven'].join('\n')
+const bullet = ['- one', '  - inner', '- two'].join('\n')
+
+describe('list indentation on serialize', () => {
+  it('indents a nested ordered list to the marker width', () => {
+    expect(roundTrip(manager(), ordered)).toBe(ordered)
+  })
+
+  it('widens the indent for a marker wider than the indent size', () => {
+    expect(roundTrip(manager({ style: 'space', size: 2 }), orderedWide)).toBe(orderedWide)
+  })
+
+  it('keeps a configured indent that is already past the marker', () => {
+    expect(roundTrip(manager({ style: 'space', size: 4 }), ordered)).toBe(
+      ['1. one', '    1. inner', '2. two'].join('\n'),
+    )
+  })
+
+  it('keeps tab indentation on an ordered list, since a tab clears the marker', () => {
+    expect(roundTrip(manager({ style: 'tab', size: 1 }), orderedWide)).toBe(
+      ['10. ten', '\t1. inner', '11. eleven'].join('\n'),
+    )
+  })
+
+  it('leaves bullet lists on the configured indent size', () => {
+    expect(roundTrip(manager({ style: 'space', size: 4 }), bullet)).toBe(
+      ['- one', '    - inner', '- two'].join('\n'),
+    )
+  })
+
+  it('leaves bullet lists on tab indentation', () => {
+    expect(roundTrip(manager({ style: 'tab', size: 1 }), bullet)).toBe(
+      ['- one', '\t- inner', '- two'].join('\n'),
+    )
+  })
+})