allozaur/feat/chat form contenteditable (#26717)
* feat: Add contenteditable tokenizer for badge/code-chip chat input * feat: Add source-space undo/redo history for the rich input * feat: Split text glued to a closing code fence onto its own line * feat: Add ChatFormContenteditable rich input renderer * feat : wire the contenteditable into ChatForm with auto-switch gating
This commit is contained in:
@@ -0,0 +1,701 @@
|
||||
// Guards the clipboard contract of the chat-form contenteditable:
|
||||
// copy/cut expose the markdown SOURCE of the selection (each badge
|
||||
// contributes its full `[name](file://...)` link) and pasting such
|
||||
// markdown re-renders the badges.
|
||||
|
||||
import { describe, it, expect, vi } from 'vitest';
|
||||
import { render } from 'vitest-browser-svelte';
|
||||
import { userEvent } from 'vitest/browser';
|
||||
import { tick } from 'svelte';
|
||||
import { rangeToTextOffset, serializeContent, textOffsetToRange } from '$lib/utils';
|
||||
import ChatFormContenteditable from '$lib/components/app/chat/ChatForm/ChatFormContenteditable.svelte';
|
||||
|
||||
const SOURCE = 'hello [docs](file:///a/b) world';
|
||||
const BADGE_SELECTOR = '[data-mention-badge="true"]';
|
||||
|
||||
function editableIn(container: HTMLElement): HTMLElement {
|
||||
const el = container.querySelector('[role="textbox"]');
|
||||
if (!(el instanceof HTMLElement)) throw new Error('contenteditable not rendered');
|
||||
return el;
|
||||
}
|
||||
|
||||
function setSelection(root: HTMLElement, place: (range: Range, root: HTMLElement) => void) {
|
||||
const range = document.createRange();
|
||||
place(range, root);
|
||||
const selection = window.getSelection();
|
||||
if (!selection) throw new Error('no selection');
|
||||
selection.removeAllRanges();
|
||||
selection.addRange(range);
|
||||
}
|
||||
|
||||
function clipboardEvent(type: 'copy' | 'cut' | 'paste', text = '') {
|
||||
const data = new DataTransfer();
|
||||
if (text) data.setData('text/plain', text);
|
||||
const event = new ClipboardEvent(type, { clipboardData: data, bubbles: true, cancelable: true });
|
||||
return { event, data };
|
||||
}
|
||||
|
||||
describe('ChatFormContenteditable clipboard', () => {
|
||||
it('copy exposes the markdown source of the selection', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: SOURCE });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
setSelection(root, (range) => range.selectNodeContents(root));
|
||||
|
||||
const { event, data } = clipboardEvent('copy');
|
||||
root.dispatchEvent(event);
|
||||
|
||||
expect(event.defaultPrevented).toBe(true);
|
||||
expect(data.getData('text/plain')).toBe(SOURCE);
|
||||
});
|
||||
|
||||
it('cut exposes the markdown source and removes the slice', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: SOURCE });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
setSelection(root, (range) => {
|
||||
const badge = root.querySelector(BADGE_SELECTOR);
|
||||
if (!badge) throw new Error('badge not rendered');
|
||||
range.setStartBefore(badge);
|
||||
range.setEndAfter(badge);
|
||||
});
|
||||
|
||||
const { event, data } = clipboardEvent('cut');
|
||||
root.dispatchEvent(event);
|
||||
|
||||
expect(event.defaultPrevented).toBe(true);
|
||||
expect(data.getData('text/plain')).toBe('[docs](file:///a/b)');
|
||||
expect(root.querySelector(BADGE_SELECTOR)).toBeNull();
|
||||
expect(root.textContent).toBe('hello world');
|
||||
});
|
||||
|
||||
it('paste of markdown mention links re-renders badges', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: 'hello ' });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
setSelection(root, (range) => {
|
||||
range.selectNodeContents(root);
|
||||
range.collapse(false);
|
||||
});
|
||||
|
||||
const { event } = clipboardEvent('paste', '[docs](file:///a/b) world');
|
||||
root.dispatchEvent(event);
|
||||
await tick();
|
||||
|
||||
expect(event.defaultPrevented).toBe(true);
|
||||
const badge = root.querySelector(BADGE_SELECTOR);
|
||||
expect(badge).not.toBeNull();
|
||||
expect(badge!.getAttribute('data-mention-name')).toBe('docs');
|
||||
expect(root.textContent).toContain('world');
|
||||
});
|
||||
|
||||
it('paste without mention links keeps the DOM untouched', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: 'hello ' });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
setSelection(root, (range) => {
|
||||
range.selectNodeContents(root);
|
||||
range.collapse(false);
|
||||
});
|
||||
const firstChild = root.firstChild;
|
||||
|
||||
const { event } = clipboardEvent('paste', 'plain text');
|
||||
root.dispatchEvent(event);
|
||||
await tick();
|
||||
|
||||
expect(event.defaultPrevented).toBe(true);
|
||||
expect(root.querySelector(BADGE_SELECTOR)).toBeNull();
|
||||
// no rebuild: the live text node is the same instance
|
||||
expect(root.firstChild).toBe(firstChild);
|
||||
});
|
||||
});
|
||||
|
||||
describe('ChatFormContenteditable code spans', () => {
|
||||
it('renders inline code from the initial value', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: 'run `npm test` now' });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
const code = root.querySelector('code[data-code-token="inline"]');
|
||||
expect(code).not.toBeNull();
|
||||
expect(code!.textContent).toBe('`npm test`');
|
||||
});
|
||||
|
||||
it('renders a fenced code block with a language', async () => {
|
||||
const source = 'before\n```js\nconst a = 1;\n```\nafter';
|
||||
const { container } = render(ChatFormContenteditable, { value: source });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
const code = root.querySelector('code[data-code-token="block"]');
|
||||
expect(code).not.toBeNull();
|
||||
expect(code!.textContent).toBe('```js\nconst a = 1;\n```');
|
||||
});
|
||||
|
||||
it('copy exposes the markdown source of a selection spanning code', async () => {
|
||||
const source = 'run `npm test` now';
|
||||
const { container } = render(ChatFormContenteditable, { value: source });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
setSelection(root, (range) => range.selectNodeContents(root));
|
||||
|
||||
const { event, data } = clipboardEvent('copy');
|
||||
root.dispatchEvent(event);
|
||||
|
||||
expect(event.defaultPrevented).toBe(true);
|
||||
expect(data.getData('text/plain')).toBe(source);
|
||||
});
|
||||
|
||||
it('paste of a code span renders the styled element', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: 'run ' });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
setSelection(root, (range) => {
|
||||
range.selectNodeContents(root);
|
||||
range.collapse(false);
|
||||
});
|
||||
|
||||
const { event } = clipboardEvent('paste', '`npm test` now');
|
||||
root.dispatchEvent(event);
|
||||
await tick();
|
||||
|
||||
expect(event.defaultPrevented).toBe(true);
|
||||
const code = root.querySelector('code[data-code-token="inline"]');
|
||||
expect(code).not.toBeNull();
|
||||
expect(code!.textContent).toBe('`npm test`');
|
||||
expect(root.textContent).toContain('now');
|
||||
});
|
||||
|
||||
it('highlights a fenced block content and stays byte-exact', async () => {
|
||||
const source = '```js\nconst a = 1;\n```';
|
||||
const { container } = render(ChatFormContenteditable, { value: source });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
const code = root.querySelector('code[data-code-token="block"]');
|
||||
expect(code).not.toBeNull();
|
||||
expect(code!.querySelector('.hljs-keyword')).not.toBeNull();
|
||||
expect(code!.textContent).toBe(source);
|
||||
});
|
||||
|
||||
it('does not highlight inline code', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: 'run `const` now' });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
expect(root.querySelector('[class*="hljs-"]')).toBeNull();
|
||||
});
|
||||
});
|
||||
|
||||
describe('ChatFormContenteditable code block escape hatches', () => {
|
||||
const BLOCK_SOURCE = '```js\nconst a = 1;\n```';
|
||||
const BLOCK_SELECTOR = 'code[data-code-token="block"]';
|
||||
|
||||
function blockIn(root: HTMLElement): HTMLElement {
|
||||
const el = root.querySelector(BLOCK_SELECTOR);
|
||||
if (!(el instanceof HTMLElement)) throw new Error('code block not rendered');
|
||||
return el;
|
||||
}
|
||||
|
||||
// Caret at the very start/end of the block's text (across highlight spans)
|
||||
function placeCaretInBlock(root: HTMLElement, where: 'start' | 'end') {
|
||||
const code = blockIn(root);
|
||||
const walker = document.createTreeWalker(code, NodeFilter.SHOW_TEXT);
|
||||
let target: Node | null = null;
|
||||
for (let n = walker.nextNode(); n; n = walker.nextNode()) {
|
||||
target = where === 'start' ? (target ?? n) : n;
|
||||
}
|
||||
if (!target) throw new Error('no text inside code block');
|
||||
setSelection(root, (range) => {
|
||||
range.setStart(target!, where === 'start' ? 0 : (target!.textContent ?? '').length);
|
||||
range.collapse(true);
|
||||
});
|
||||
}
|
||||
|
||||
function caretContainer(): Node {
|
||||
const selection = window.getSelection();
|
||||
if (!selection || selection.rangeCount === 0) throw new Error('no selection');
|
||||
return selection.getRangeAt(0).startContainer;
|
||||
}
|
||||
|
||||
it('pads a trailing code block with a br hatch that stays invisible to copy', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: BLOCK_SOURCE });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
// no permanent empty line above a leading block
|
||||
expect(root.firstChild).toBe(blockIn(root));
|
||||
expect(root.lastChild?.nodeName).toBe('BR');
|
||||
|
||||
setSelection(root, (range) => range.selectNodeContents(root));
|
||||
const { event, data } = clipboardEvent('copy');
|
||||
root.dispatchEvent(event);
|
||||
|
||||
expect(data.getData('text/plain')).toBe(BLOCK_SOURCE);
|
||||
});
|
||||
|
||||
it('escapes a trailing code block with ArrowDown and types after it', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: BLOCK_SOURCE });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
placeCaretInBlock(root, 'end');
|
||||
|
||||
await userEvent.keyboard('{ArrowDown}');
|
||||
expect(blockIn(root).contains(caretContainer())).toBe(false);
|
||||
|
||||
await userEvent.keyboard('x');
|
||||
await tick();
|
||||
|
||||
expect(blockIn(root).textContent).toBe(BLOCK_SOURCE);
|
||||
// the DOM holds no separator newline (it would render as a
|
||||
// phantom empty line); serialization synthesizes it so the
|
||||
// markdown source keeps the text below the block
|
||||
expect(root.textContent).toBe(BLOCK_SOURCE + 'x');
|
||||
expect(serializeContent(root)).toBe(BLOCK_SOURCE + '\nx');
|
||||
// the stale trailing hatch is removed once real text follows the block
|
||||
expect(root.lastChild?.nodeName).not.toBe('BR');
|
||||
});
|
||||
|
||||
it('escapes a leading code block with ArrowUp and types before it', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: BLOCK_SOURCE });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
placeCaretInBlock(root, 'start');
|
||||
|
||||
await userEvent.keyboard('{ArrowUp}');
|
||||
expect(blockIn(root).contains(caretContainer())).toBe(false);
|
||||
// the transient hatch line exists while the caret sits on it
|
||||
expect(root.firstChild?.nodeName).toBe('BR');
|
||||
|
||||
await userEvent.keyboard('y');
|
||||
await tick();
|
||||
|
||||
expect(blockIn(root).textContent).toBe(BLOCK_SOURCE);
|
||||
expect(root.textContent).toBe('y' + BLOCK_SOURCE);
|
||||
expect(serializeContent(root)).toBe('y\n' + BLOCK_SOURCE);
|
||||
// the typed text consumed the hatch
|
||||
expect(root.firstChild?.nodeName).not.toBe('BR');
|
||||
});
|
||||
|
||||
it('escapes a leading code block with ArrowLeft from its first character', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: BLOCK_SOURCE });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
placeCaretInBlock(root, 'start');
|
||||
|
||||
await userEvent.keyboard('{ArrowLeft}');
|
||||
expect(blockIn(root).contains(caretContainer())).toBe(false);
|
||||
expect(root.firstChild?.nodeName).toBe('BR');
|
||||
});
|
||||
|
||||
it('removes the transient leading hatch when the caret moves back into the block', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: BLOCK_SOURCE });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
placeCaretInBlock(root, 'start');
|
||||
|
||||
await userEvent.keyboard('{ArrowUp}');
|
||||
expect(root.firstChild?.nodeName).toBe('BR');
|
||||
|
||||
await userEvent.keyboard('{ArrowDown}');
|
||||
await tick();
|
||||
|
||||
expect(blockIn(root).contains(caretContainer())).toBe(true);
|
||||
expect(root.firstChild).toBe(blockIn(root));
|
||||
});
|
||||
|
||||
it('extends the selection out of the block with Shift+ArrowDown', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: BLOCK_SOURCE });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
placeCaretInBlock(root, 'end');
|
||||
|
||||
await userEvent.keyboard('{Shift>}{ArrowDown}{/Shift}');
|
||||
|
||||
const selection = window.getSelection();
|
||||
expect(selection).not.toBeNull();
|
||||
expect(selection!.isCollapsed).toBe(false);
|
||||
expect(blockIn(root).contains(selection!.getRangeAt(0).endContainer)).toBe(false);
|
||||
});
|
||||
|
||||
it('line-separates text typed right after the closing fence', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: BLOCK_SOURCE });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
placeCaretInBlock(root, 'end');
|
||||
|
||||
// no arrow keys: the caret sits at the block's end edge, where the
|
||||
// post-rebuild restore lands it, and the typed text renders on the
|
||||
// line below the block
|
||||
await userEvent.keyboard('x');
|
||||
await tick();
|
||||
|
||||
// the text stays on the caret's line in the DOM (no phantom empty
|
||||
// line); the source gets the separator newline
|
||||
expect(root.textContent).toBe(BLOCK_SOURCE + 'x');
|
||||
expect(serializeContent(root)).toBe(BLOCK_SOURCE + '\nx');
|
||||
});
|
||||
|
||||
it('does not double the newline when Shift+Enter already added one', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: BLOCK_SOURCE });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
placeCaretInBlock(root, 'end');
|
||||
|
||||
await userEvent.keyboard('{Shift>}{Enter}{/Shift}');
|
||||
await userEvent.keyboard('x');
|
||||
await tick();
|
||||
|
||||
expect(root.textContent).toBe(BLOCK_SOURCE + 'x');
|
||||
expect(serializeContent(root)).toBe(BLOCK_SOURCE + '\nx');
|
||||
});
|
||||
|
||||
it('moves a caret stuck before the inserted newline onto the new line', async () => {
|
||||
const { container } = render(ChatFormContenteditable, {
|
||||
value: BLOCK_SOURCE + '\ntext after the code block'
|
||||
});
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
|
||||
// post-break DOM some browsers produce: the inserted newline plus
|
||||
// the artificial trailing one, with the caret stuck BEFORE the
|
||||
// inserted one (visually at the end of the old line)
|
||||
root.appendChild(document.createTextNode('\n'));
|
||||
root.appendChild(document.createTextNode('\n'));
|
||||
setSelection(root, (range) => {
|
||||
range.setStart(root.childNodes[2], 0);
|
||||
range.collapse(true);
|
||||
});
|
||||
|
||||
root.dispatchEvent(new InputEvent('input', { inputType: 'insertLineBreak', bubbles: true }));
|
||||
await tick();
|
||||
|
||||
const selection = window.getSelection();
|
||||
expect(rangeToTextOffset(root, selection!.getRangeAt(0))).toBe(
|
||||
(BLOCK_SOURCE + '\ntext after the code block\n').length
|
||||
);
|
||||
expect(serializeContent(root)).toBe(BLOCK_SOURCE + '\ntext after the code block\n\n');
|
||||
});
|
||||
|
||||
it('appends the artificial trailing newline when the browser did not add one', async () => {
|
||||
const { container } = render(ChatFormContenteditable, {
|
||||
value: BLOCK_SOURCE + '\ntext after the code block'
|
||||
});
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
|
||||
// post-break DOM some browsers produce: a lone trailing \n (or a
|
||||
// <br> the hatch sync strips). Collapsed by the renderer, so the
|
||||
// caret looks stuck on the old line and the next typed character
|
||||
// would consume the newline.
|
||||
root.appendChild(document.createTextNode('\n'));
|
||||
setSelection(root, (range) => {
|
||||
range.setStart(root.childNodes[2], 1);
|
||||
range.collapse(true);
|
||||
});
|
||||
|
||||
root.dispatchEvent(new InputEvent('input', { inputType: 'insertLineBreak', bubbles: true }));
|
||||
await tick();
|
||||
|
||||
const selection = window.getSelection();
|
||||
expect(rangeToTextOffset(root, selection!.getRangeAt(0))).toBe(
|
||||
(BLOCK_SOURCE + '\ntext after the code block\n').length
|
||||
);
|
||||
expect(serializeContent(root)).toBe(BLOCK_SOURCE + '\ntext after the code block\n\n');
|
||||
});
|
||||
|
||||
it('lands the caret on the new line with a single Shift+Enter after text below a block', async () => {
|
||||
const { container } = render(ChatFormContenteditable, {
|
||||
value: BLOCK_SOURCE + '\ntext after the code block'
|
||||
});
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
setSelection(root, (range) => {
|
||||
const text = root.childNodes[1];
|
||||
range.setStart(text, (text.textContent ?? '').length);
|
||||
range.collapse(true);
|
||||
});
|
||||
|
||||
await userEvent.keyboard('{Shift>}{Enter}{/Shift}');
|
||||
await tick();
|
||||
|
||||
const selection = window.getSelection();
|
||||
expect(rangeToTextOffset(root, selection!.getRangeAt(0))).toBe(
|
||||
(BLOCK_SOURCE + '\ntext after the code block\n').length
|
||||
);
|
||||
expect(serializeContent(root)).toBe(BLOCK_SOURCE + '\ntext after the code block\n\n');
|
||||
|
||||
// the next typed character lands on the new line
|
||||
await userEvent.keyboard('x');
|
||||
await tick();
|
||||
expect(serializeContent(root)).toBe(BLOCK_SOURCE + '\ntext after the code block\nx');
|
||||
});
|
||||
|
||||
it('lets Backspace at the text start move into the block without a source fight', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: BLOCK_SOURCE });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
placeCaretInBlock(root, 'end');
|
||||
|
||||
await userEvent.keyboard('{ArrowDown}');
|
||||
await userEvent.keyboard('create');
|
||||
await tick();
|
||||
expect(serializeContent(root)).toBe(BLOCK_SOURCE + '\ncreate');
|
||||
|
||||
// Backspace at the start of the text line: the separator newline
|
||||
// is structural (synthesized while text follows the block), so
|
||||
// the caret just moves to the block's edge - nothing is re-added
|
||||
await userEvent.keyboard('{Home}');
|
||||
await userEvent.keyboard('{Backspace}');
|
||||
await tick();
|
||||
|
||||
expect(serializeContent(root)).toBe(BLOCK_SOURCE + '\ncreate');
|
||||
expect(caretContainer()).toBe(root);
|
||||
});
|
||||
|
||||
it('lets forward Delete eat the text after a block normally', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: BLOCK_SOURCE });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
placeCaretInBlock(root, 'end');
|
||||
|
||||
await userEvent.keyboard('{ArrowDown}');
|
||||
await userEvent.keyboard('create');
|
||||
await tick();
|
||||
|
||||
await userEvent.keyboard('{Home}');
|
||||
await userEvent.keyboard('{Delete}');
|
||||
await tick();
|
||||
|
||||
expect(serializeContent(root)).toBe(BLOCK_SOURCE + '\nreate');
|
||||
});
|
||||
|
||||
it('renders text after a block without a phantom empty line', async () => {
|
||||
const { container } = render(ChatFormContenteditable, {
|
||||
value: BLOCK_SOURCE + '\nhello'
|
||||
});
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
expect(root.textContent).toBe(BLOCK_SOURCE + 'hello');
|
||||
expect(serializeContent(root)).toBe(BLOCK_SOURCE + '\nhello');
|
||||
});
|
||||
|
||||
it('keeps an intentional blank line after a block out of the separator', async () => {
|
||||
const { container } = render(ChatFormContenteditable, {
|
||||
value: BLOCK_SOURCE + '\n\nhello'
|
||||
});
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
expect(root.textContent).toBe(BLOCK_SOURCE + '\nhello');
|
||||
expect(serializeContent(root)).toBe(BLOCK_SOURCE + '\n\nhello');
|
||||
});
|
||||
|
||||
it('re-highlights while typing inside a block and keeps the caret', async () => {
|
||||
const { container } = render(ChatFormContenteditable, { value: BLOCK_SOURCE });
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
|
||||
// caret at the start of the block content (after the opening fence)
|
||||
setSelection(root, (range) => {
|
||||
const target = textOffsetToRange(root, 6);
|
||||
range.setStart(target.startContainer, target.startOffset);
|
||||
range.collapse(true);
|
||||
});
|
||||
|
||||
await userEvent.keyboard('x');
|
||||
await tick();
|
||||
|
||||
const code = blockIn(root);
|
||||
expect(serializeContent(root)).toBe('```js\nxconst a = 1;\n```');
|
||||
expect(code.textContent).toBe('```js\nxconst a = 1;\n```');
|
||||
expect(code.querySelector('.hljs-number')).not.toBeNull();
|
||||
|
||||
const selection = window.getSelection();
|
||||
expect(code.contains(selection!.getRangeAt(0).startContainer)).toBe(true);
|
||||
expect(rangeToTextOffset(root, selection!.getRangeAt(0))).toBe(7);
|
||||
});
|
||||
});
|
||||
|
||||
describe('ChatFormContenteditable Enter in code blocks', () => {
|
||||
const BLOCK_SOURCE = '```js\nconst a = 1;\n```';
|
||||
|
||||
it('adds a line instead of submitting on plain Enter inside a block', async () => {
|
||||
const onKeydown = vi.fn();
|
||||
const { container } = render(ChatFormContenteditable, {
|
||||
value: BLOCK_SOURCE,
|
||||
onKeydown
|
||||
});
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
|
||||
// caret at the start of the block content (after the opening fence)
|
||||
setSelection(root, (range) => {
|
||||
const target = textOffsetToRange(root, 6);
|
||||
range.setStart(target.startContainer, target.startOffset);
|
||||
range.collapse(true);
|
||||
});
|
||||
|
||||
await userEvent.keyboard('{Enter}');
|
||||
await tick();
|
||||
|
||||
// consumed locally: the parent's submit handler never sees it
|
||||
expect(onKeydown).not.toHaveBeenCalled();
|
||||
expect(serializeContent(root)).toBe('```js\n\nconst a = 1;\n```');
|
||||
|
||||
const code = root.querySelector('code[data-code-token="block"]');
|
||||
const selection = window.getSelection();
|
||||
expect(code!.contains(selection!.getRangeAt(0).startContainer)).toBe(true);
|
||||
expect(rangeToTextOffset(root, selection!.getRangeAt(0))).toBe(7);
|
||||
});
|
||||
|
||||
it('adds a line after a still-open fence (no closing ``` yet)', async () => {
|
||||
const onKeydown = vi.fn();
|
||||
const { container } = render(ChatFormContenteditable, {
|
||||
value: '```js\nconst a = 1;',
|
||||
onKeydown
|
||||
});
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
|
||||
// caret at the start of the block content (after the opening fence)
|
||||
setSelection(root, (range) => {
|
||||
const target = textOffsetToRange(root, 6);
|
||||
range.setStart(target.startContainer, target.startOffset);
|
||||
range.collapse(true);
|
||||
});
|
||||
|
||||
await userEvent.keyboard('{Enter}');
|
||||
await tick();
|
||||
|
||||
expect(onKeydown).not.toHaveBeenCalled();
|
||||
expect(serializeContent(root)).toBe('```js\n\nconst a = 1;');
|
||||
});
|
||||
|
||||
it('forwards plain Enter to the parent when the caret is outside a block', async () => {
|
||||
const onKeydown = vi.fn();
|
||||
const { container } = render(ChatFormContenteditable, {
|
||||
value: BLOCK_SOURCE + '\nafter',
|
||||
onKeydown
|
||||
});
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
setSelection(root, (range) => {
|
||||
range.selectNodeContents(root);
|
||||
range.collapse(false);
|
||||
});
|
||||
|
||||
await userEvent.keyboard('{Enter}');
|
||||
|
||||
expect(onKeydown).toHaveBeenCalledTimes(1);
|
||||
expect(onKeydown.mock.calls[0][0].defaultPrevented).toBe(false);
|
||||
});
|
||||
|
||||
it('forwards plain Enter on the trailing hatch line after a block', async () => {
|
||||
const onKeydown = vi.fn();
|
||||
const { container } = render(ChatFormContenteditable, {
|
||||
value: BLOCK_SOURCE,
|
||||
onKeydown
|
||||
});
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
// root-level caret between the block and its trailing br hatch
|
||||
setSelection(root, (range) => {
|
||||
range.setStart(root, 1);
|
||||
range.collapse(true);
|
||||
});
|
||||
|
||||
await userEvent.keyboard('{Enter}');
|
||||
|
||||
expect(onKeydown).toHaveBeenCalledTimes(1);
|
||||
});
|
||||
|
||||
it('forwards Ctrl+Enter inside a block so explicit submit survives', async () => {
|
||||
const onKeydown = vi.fn();
|
||||
const { container } = render(ChatFormContenteditable, {
|
||||
value: BLOCK_SOURCE,
|
||||
onKeydown
|
||||
});
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
setSelection(root, (range) => {
|
||||
const target = textOffsetToRange(root, 6);
|
||||
range.setStart(target.startContainer, target.startOffset);
|
||||
range.collapse(true);
|
||||
});
|
||||
|
||||
await userEvent.keyboard('{Control>}{Enter}{/Control}');
|
||||
|
||||
expect(onKeydown).toHaveBeenCalledWith(
|
||||
expect.objectContaining({ key: 'Enter', ctrlKey: true })
|
||||
);
|
||||
expect(serializeContent(root)).toBe(BLOCK_SOURCE);
|
||||
});
|
||||
|
||||
it('forwards Enter inside an inline code span', async () => {
|
||||
const onKeydown = vi.fn();
|
||||
const { container } = render(ChatFormContenteditable, {
|
||||
value: 'run `npm test` now',
|
||||
onKeydown
|
||||
});
|
||||
await tick();
|
||||
|
||||
const root = editableIn(container);
|
||||
root.focus();
|
||||
const code = root.querySelector('code[data-code-token="inline"]')!;
|
||||
setSelection(root, (range) => {
|
||||
range.setStart(code.firstChild!, 3);
|
||||
range.collapse(true);
|
||||
});
|
||||
|
||||
await userEvent.keyboard('{Enter}');
|
||||
|
||||
expect(onKeydown).toHaveBeenCalledTimes(1);
|
||||
});
|
||||
});
|
||||
Reference in New Issue
Block a user