snapshot of https://github.com/RocketChat/Rocket.Chat.git (develop, 2026-09-16; blobs > 131072B omitted)

packages/message-parser/tests/table.test.ts

@@ -0,0 +1,106 @@
+import type { Table } from '../src';
+import { parse } from '../src';
+import { bold, link, plain, table, tableCell, tableRow } from './helpers';
+
+// `fallback` is the [start, end] offset span of the table in the source; since
+// each input is exactly the table, that span is [0, input.length].
+test.each([
+	// basic table, no alignment
+	[
+		`
+| Header 1 | Header 2 |
+| -------- | -------- |
+| Cell 1   | Cell 2   |
+`.trim(),
+		[tableCell([plain('Header 1')]), tableCell([plain('Header 2')])],
+		[tableRow([tableCell([plain('Cell 1')]), tableCell([plain('Cell 2')])])],
+	],
+	// alignment markers
+	[
+		`
+| Left | Center | Right |
+| :--- | :----: | ----: |
+| a    | b      | c     |
+`.trim(),
+		[tableCell([plain('Left')], 'left'), tableCell([plain('Center')], 'center'), tableCell([plain('Right')], 'right')],
+		[tableRow([tableCell([plain('a')], 'left'), tableCell([plain('b')], 'center'), tableCell([plain('c')], 'right')])],
+	],
+	// multiple body rows
+	[
+		`
+| h |
+| - |
+| 1 |
+| 2 |
+`.trim(),
+		[tableCell([plain('h')])],
+		[tableRow([tableCell([plain('1')])]), tableRow([tableCell([plain('2')])])],
+	],
+	// header only (no body rows)
+	[
+		`
+| a | b |
+| - | - |
+`.trim(),
+		[tableCell([plain('a')]), tableCell([plain('b')])],
+		[],
+	],
+	// inline markup inside cells
+	[
+		`
+| Name | Link |
+| ---- | ---- |
+| **bold** | [rc](https://rocket.chat) |
+`.trim(),
+		[tableCell([plain('Name')]), tableCell([plain('Link')])],
+		[tableRow([tableCell([bold([plain('bold')])]), tableCell([link('https://rocket.chat', [plain('rc')])])])],
+	],
+	// escaped pipe inside a cell stays literal
+	[
+		`
+| a | b |
+| - | - |
+| x \\| y | z |
+`.trim(),
+		[tableCell([plain('a')]), tableCell([plain('b')])],
+		[tableRow([tableCell([plain('x | y')]), tableCell([plain('z')])])],
+	],
+])('parses %p', (input, header, rows) => {
+	expect(parse(input)).toEqual([table(header, rows, [0, input.length])]);
+});
+
+test('normalizes ragged body rows to the header column count', () => {
+	const input = ['| a | b |', '| - | - |', '| 1 |', '| 1 | 2 | 3 |'].join('\n');
+	const [node] = parse(input) as [Table];
+
+	// every row has exactly 2 cells (header count): short row padded, long row truncated
+	expect(node.value.rows.map((row) => row.value.length)).toEqual([2, 2]);
+	expect(node.value.rows[0].value[1].value).toEqual([]); // padded empty cell
+	expect(node.value.rows[1].value.map((cell) => cell.value)).toEqual([[plain('1')], [plain('2')]]); // extra 3rd cell dropped
+});
+
+test('exposes the source offsets as fallback for renderers without table support', () => {
+	const input = '| a | b |\n| - | - |\n| 1 | 2 |';
+	const [node] = parse(input) as [ReturnType<typeof table>];
+	expect(node.fallback).toEqual([0, input.length]);
+	// the offsets slice back to the original markup
+	expect(input.slice(node.fallback![0], node.fallback![1])).toBe(input);
+});
+
+test.each([
+	// no delimiter row -> not a table, plain paragraph
+	['| just | text |', [{ type: 'PARAGRAPH', value: [plain('| just | text |')] }]],
+	// missing trailing pipe -> not a table (v1 requires surrounding pipes)
+	[
+		`
+| a | b
+| - | -
+`.trim(),
+		[
+			{ type: 'PARAGRAPH', value: [plain('| a | b')] },
+			{ type: 'PARAGRAPH', value: [plain('| - | -')] },
+		],
+	],
+])('does not parse %p as table', (input, output) => {
+	expect(parse(input)).toEqual(output);
+});