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@lobehub/editor

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A powerful and extensible rich text editor built on Meta's Lexical framework, providing a modern editing experience with React integration.

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} else { Promise.resolve(value).then(_next, _throw); } } function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; } import { $isCodeHighlightNode, $isCodeNode } from '@lexical/code'; import { $isHeadingNode, QuoteNode } from '@lexical/rich-text'; import { mergeRegister } from '@lexical/utils'; import { $createNodeSelection, $createParagraphNode, $getRoot, $getSelection, $isDecoratorNode, $isElementNode, $isLineBreakNode, $isNodeSelection, $isRangeSelection, $isRootOrShadowRoot, $isTextNode, $setSelection, COMMAND_PRIORITY_EDITOR, COMMAND_PRIORITY_LOW, COMMAND_PRIORITY_NORMAL, FORMAT_TEXT_COMMAND, KEY_ARROW_DOWN_COMMAND, KEY_ARROW_RIGHT_COMMAND, KEY_ARROW_UP_COMMAND, KEY_BACKSPACE_COMMAND, REDO_COMMAND, UNDO_COMMAND } from 'lexical'; import { $closest } from "../../../editor-kernel"; import { HotkeyEnum } from "../../../types/hotkey"; import { createDebugLogger } from "../../../utils/debug"; var logger = createDebugLogger('plugin', 'common'); function resolveElement(element, isBackward, focusOffset) { var parent = element.getParent(); var offset = focusOffset; var block = element; if (parent !== null) { if (isBackward && focusOffset === 0) { offset = block.getIndexWithinParent(); block = parent; } else if (!isBackward && focusOffset === block.getChildrenSize()) { offset = block.getIndexWithinParent() + 1; block = parent; } } return block.getChildAtIndex(isBackward ? offset - 1 : offset); } function isCodeNodeLastLine(focusNode) { if (!$isCodeHighlightNode(focusNode)) { return false; } var codeNode = focusNode.getParent(); if (!$isCodeNode(codeNode)) { return false; } var last = codeNode.getLastChild(); do { var _last; if ($isLineBreakNode(last)) { return false; } if (last === focusNode) { return codeNode; } last = (_last = last) === null || _last === void 0 ? void 0 : _last.getPreviousSibling(); } while (last !== focusNode && last); if (last === focusNode) { return codeNode; } return false; } export function $getAdjacentNode(focus, isBackward) { var focusOffset = focus.offset; if (focus.type === 'element') { var block = focus.getNode(); return resolveElement(block, isBackward, focusOffset); } else { var focusNode = focus.getNode(); if (isBackward && focusOffset === 0 || !isBackward && focusOffset === focusNode.getTextContentSize()) { var possibleNode = isBackward ? focusNode.getPreviousSibling() : focusNode.getNextSibling(); if (possibleNode === null) { return resolveElement(focusNode.getParentOrThrow(), isBackward, focusNode.getIndexWithinParent() + (isBackward ? 0 : 1)); } return possibleNode; } else if (!isBackward && isCodeNodeLastLine(focusNode)) { var _focusNode$getParent; return ((_focusNode$getParent = focusNode.getParent()) === null || _focusNode$getParent === void 0 ? void 0 : _focusNode$getParent.getNextSibling()) || null; } } return null; } export function $getDownUpNode(focus, isUp) { var focusNode = focus.getNode(); var blockParent = focusNode; while (blockParent !== null && blockParent.isInline()) { blockParent = blockParent.getParent(); } if (!blockParent) { return null; } var nextNode = isUp ? blockParent.getPreviousSibling() : blockParent.getNextSibling(); while (!nextNode && !$isRootOrShadowRoot(blockParent)) { blockParent = blockParent.getParent(); if (!blockParent) { return null; } nextNode = isUp ? blockParent.getPreviousSibling() : blockParent.getNextSibling(); } if (!nextNode) { return null; } return nextNode; } function $isSelectionAtEndOfRoot(selection) { var focus = selection.focus; return focus.key === 'root' && focus.offset === $getRoot().getChildrenSize(); } export function registerHeaderBackspace(editor) { return editor.registerCommand(KEY_BACKSPACE_COMMAND, function (payload) { // Handle backspace key press for heading nodes var headingNode = editor.getEditorState().read(function () { var selection = $getSelection(); // Do not handle non-collapsed selection if (!$isRangeSelection(selection) || !selection.isCollapsed()) { return false; } var anchor = selection.anchor; if (anchor.offset !== 0) { return false; } var anchorNode = anchor.getNode(); if ($isTextNode(anchorNode)) { // Do not handle non-leading text nodes if (anchorNode.getPreviousSibling()) { return false; } var parent = anchorNode.getParentOrThrow(); if (!$isHeadingNode(parent)) { return false; } return parent; } if ($isHeadingNode(anchorNode)) { return anchorNode; } return false; }); if (headingNode) { payload.stopImmediatePropagation(); payload.preventDefault(); payload.stopPropagation(); editor.update(function () { var node = $createParagraphNode(); headingNode.replace(node, true); node.select(0, 0); }); return true; } return false; }, COMMAND_PRIORITY_NORMAL); } export function registerRichKeydown(editor, kernel, options) { var _ref = options || {}, _ref$enableHotkey = _ref.enableHotkey, enableHotkey = _ref$enableHotkey === void 0 ? true : _ref$enableHotkey; return mergeRegister(kernel.registerHotkey(HotkeyEnum.PasteAsPlainText, /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee() { var text; return _regeneratorRuntime().wrap(function _callee$(_context) { while (1) switch (_context.prev = _context.next) { case 0: _context.prev = 0; _context.next = 3; return navigator.clipboard.readText(); case 3: text = _context.sent; editor.update(function () { var selection = $getSelection(); if (!$isRangeSelection(selection)) return; // Simply insert the plain text selection.insertText(text); }); _context.next = 10; break; case 7: _context.prev = 7; _context.t0 = _context["catch"](0); logger.error('❌ Failed to paste as plain text:', _context.t0); case 10: case "end": return _context.stop(); } }, _callee, null, [[0, 7]]); })), { enabled: enableHotkey, preventDefault: true, stopPropagation: true }), kernel.registerHotkey(HotkeyEnum.Bold, function () { return editor.dispatchCommand(FORMAT_TEXT_COMMAND, 'bold'); }, { enabled: enableHotkey, preventDefault: true, stopImmediatePropagation: true }), kernel.registerHotkey(HotkeyEnum.Italic, function () { return editor.dispatchCommand(FORMAT_TEXT_COMMAND, 'italic'); }, { enabled: enableHotkey, preventDefault: true, stopImmediatePropagation: true }), kernel.registerHotkey(HotkeyEnum.Underline, function () { return editor.dispatchCommand(FORMAT_TEXT_COMMAND, 'underline'); }, { enabled: enableHotkey, preventDefault: true, stopImmediatePropagation: true }), kernel.registerHotkey(HotkeyEnum.Strikethrough, function () { return editor.dispatchCommand(FORMAT_TEXT_COMMAND, 'strikethrough'); }, { enabled: enableHotkey, preventDefault: true, stopImmediatePropagation: true }), kernel.registerHotkey(HotkeyEnum.Undo, function () { return editor.dispatchCommand(UNDO_COMMAND, undefined); }, { enabled: enableHotkey, preventDefault: true, stopImmediatePropagation: true }), kernel.registerHotkey(HotkeyEnum.Redo, function () { return editor.dispatchCommand(REDO_COMMAND, undefined); }, { enabled: enableHotkey, preventDefault: true, stopImmediatePropagation: true }), kernel.registerHighCommand(KEY_ARROW_UP_COMMAND, function (event) { var selection = $getSelection(); if ($isNodeSelection(selection)) { // If selection is on a node, let's try and move selection // back to being a range selection. var nodes = selection.getNodes(); if (nodes.length > 0) { nodes[0].selectPrevious(); event.preventDefault(); return true; } } else if ($isRangeSelection(selection)) { var possibleNode = $getAdjacentNode(selection.focus, true); var upblock = possibleNode || $getDownUpNode(selection.focus, true); if (!event.shiftKey && $isDecoratorNode(possibleNode)) { var nodeSelection = $createNodeSelection(); nodeSelection.add(possibleNode.getKey()); editor.update(function () { $setSelection(nodeSelection); }); event.preventDefault(); return true; } else if (!event.shiftKey && $isDecoratorNode(upblock)) { var _nodeSelection = $createNodeSelection(); _nodeSelection.add(upblock.getKey()); editor.update(function () { $setSelection(_nodeSelection); }); event.preventDefault(); return true; } else if (possibleNode && possibleNode.getType() !== 'linebreak') { possibleNode === null || possibleNode === void 0 || possibleNode.selectEnd(); event.preventDefault(); return true; } } return false; }, COMMAND_PRIORITY_EDITOR), kernel.registerHighCommand(KEY_ARROW_DOWN_COMMAND, function (event) { var selection = $getSelection(); if ($isRangeSelection(selection)) { if (!selection.isCollapsed()) { return false; } var focusNode = selection.focus.getNode(); var quotaNode = $closest(focusNode, function (node) { return node.getType() === QuoteNode.getType(); }); if (!quotaNode) { return false; } if (quotaNode.getNextSibling()) { return false; } var lastChild = quotaNode.getLastChild(); if (!lastChild) { return false; } if (!$closest(focusNode, function (node) { return node === lastChild; })) { return false; } event.preventDefault(); editor.update(function () { var paragraph = $createParagraphNode(); quotaNode.insertAfter(paragraph); paragraph.select(); }); return true; } return false; }, COMMAND_PRIORITY_LOW), kernel.registerHighCommand(KEY_ARROW_DOWN_COMMAND, function (event) { var selection = $getSelection(); if ($isNodeSelection(selection)) { // If selection is on a node, let's try and move selection // back to being a range selection. var nodes = selection.getNodes(); if (nodes.length > 0) { var node = nodes[0].getNextSibling(); if ($isRootOrShadowRoot(node)) { var parent = node.getParent(); if (parent) { var index = node.getIndexWithinParent(); parent.select(index, index); event.preventDefault(); return true; } } node === null || node === void 0 || node.selectStart(); // nodes[0].selectNext(0, 0); event.preventDefault(); return true; } } else if ($isRangeSelection(selection)) { if ($isSelectionAtEndOfRoot(selection)) { event.preventDefault(); return true; } var possibleNode = $getAdjacentNode(selection.focus, false); var upblock = possibleNode || $getDownUpNode(selection.focus, false); if (!event.shiftKey && $isDecoratorNode(possibleNode)) { var nodeSelection = $createNodeSelection(); nodeSelection.add(possibleNode.getKey()); editor.update(function () { $setSelection(nodeSelection); }); event.preventDefault(); return true; } else if (!event.shiftKey && $isDecoratorNode(upblock)) { var _nodeSelection2 = $createNodeSelection(); _nodeSelection2.add(upblock.getKey()); editor.update(function () { $setSelection(_nodeSelection2); }); event.preventDefault(); return true; } else if (possibleNode && possibleNode.getType() !== 'linebreak') { possibleNode === null || possibleNode === void 0 || possibleNode.selectStart(); event.preventDefault(); return true; } } return false; }, COMMAND_PRIORITY_EDITOR), kernel.registerHighCommand(KEY_ARROW_RIGHT_COMMAND, function (event) { var selection = $getSelection(); if ($isRangeSelection(selection)) { var _focusNode$getChildAt; var focusNode = selection.focus.getNode(); if ($isElementNode(focusNode) && ((_focusNode$getChildAt = focusNode.getChildAtIndex(selection.focus.offset)) === null || _focusNode$getChildAt === void 0 ? void 0 : _focusNode$getChildAt.getType()) === 'table') { var _focusNode$getChildAt2; (_focusNode$getChildAt2 = focusNode.getChildAtIndex(selection.focus.offset)) === null || _focusNode$getChildAt2 === void 0 || _focusNode$getChildAt2.selectStart(); event.preventDefault(); return true; } } else if ($isNodeSelection(selection)) { var nodes = selection.getNodes(); if (nodes.length > 0) { var node = nodes[0].getNextSibling(); if ($isRootOrShadowRoot(node)) { var parent = node.getParent(); if (parent) { var index = node.getIndexWithinParent(); parent.select(index, index); event.preventDefault(); return true; } } } } return false; }, COMMAND_PRIORITY_EDITOR)); } var NEEDS_FOLLOWING_PARAGRAPH_TYPES = new Set(['code', 'table', 'block-image']); export function registerLastElement(editor) { var isProcessing = false; return editor.registerUpdateListener(function (_ref3) { var dirtyElements = _ref3.dirtyElements; if (!editor.isEditable()) { return; } // Only process when root node or its direct children have changes if (!dirtyElements.has('root') && !Array.from(dirtyElements.keys()).some(function (key) { var _node$getParent; var node = editor.getEditorState()._nodeMap.get(key); return (node === null || node === void 0 || (_node$getParent = node.getParent()) === null || _node$getParent === void 0 ? void 0 : _node$getParent.getKey()) === 'root'; })) { return; } if (isProcessing) return; var needsParagraph = editor.getEditorState().read(function () { var root = $getRoot(); var lastChild = root.getLastChild(); // Check if the last element needs a trailing paragraph return NEEDS_FOLLOWING_PARAGRAPH_TYPES.has(lastChild === null || lastChild === void 0 ? void 0 : lastChild.getType()); }); if (needsParagraph) { isProcessing = true; queueMicrotask(function () { editor.update(function () { var root = $getRoot(); var currentLast = root.getLastChild(); // Double check to ensure the state still needs processing if (NEEDS_FOLLOWING_PARAGRAPH_TYPES.has(currentLast === null || currentLast === void 0 ? void 0 : currentLast.getType())) { var paragraph = $createParagraphNode(); root.append(paragraph); } isProcessing = false; }); }); } }); }