@lobehub/editor
Version:
A powerful and extensible rich text editor built on Meta's Lexical framework, providing a modern editing experience with React integration.
345 lines (337 loc) • 24.1 kB
JavaScript
'use client';
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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); }); }; }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
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function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
import { mergeRegister } from '@lexical/utils';
import { Block } from '@lobehub/ui';
import { message } from 'antd';
import { cx } from 'antd-style';
import { debounce } from 'es-toolkit/compat';
import { $getSelection, $setSelection, COMMAND_PRIORITY_CRITICAL, KEY_DOWN_COMMAND } from 'lexical';
import { useCallback, useEffect, useRef, useState } from 'react';
import { useLexicalNodeSelection } from "../../../editor-kernel/react/useLexicalNodeSelection";
import { useTranslation } from "../../../editor-kernel/react/useTranslation";
import { lobeTheme } from "./theme";
import { SELECT_AFTER_CODEMIRROR_COMMAND, SELECT_BEFORE_CODEMIRROR_COMMAND } from "../command";
import { loadCodeMirror } from "../lib";
import { Toolbar } from "./components/Toolbar";
import { styles } from "./style";
import { jsx as _jsx } from "react/jsx-runtime";
import { jsxs as _jsxs } from "react/jsx-runtime";
var ReactCodemirrorNode = function ReactCodemirrorNode(_ref) {
var _node$options$tabSize, _node$options$indentW, _node$options$lineNum;
var node = _ref.node,
className = _ref.className,
editor = _ref.editor;
var ref = useRef(null);
var keydownRef = useRef('');
var instanceRef = useRef(null);
var isEmptyRef = useRef(false);
var t = useTranslation();
var _useLexicalNodeSelect = useLexicalNodeSelection(node.getKey()),
_useLexicalNodeSelect2 = _slicedToArray(_useLexicalNodeSelect, 4),
isSelected = _useLexicalNodeSelect2[0],
setSelected = _useLexicalNodeSelect2[1],
clearSelection = _useLexicalNodeSelect2[2],
isNodeSelected = _useLexicalNodeSelect2[3];
var _useState = useState(node.lang || 'javascript'),
_useState2 = _slicedToArray(_useState, 2),
selectedLang = _useState2[0],
setSelectedLang = _useState2[1];
// use any to avoid strict typing on optional persistence fields
var _useState3 = useState((_node$options$tabSize = node.options.tabSize) !== null && _node$options$tabSize !== void 0 ? _node$options$tabSize : 2),
_useState4 = _slicedToArray(_useState3, 2),
tabSize = _useState4[0],
setTabSize = _useState4[1];
var _useState5 = useState((_node$options$indentW = node.options.indentWithTabs) !== null && _node$options$indentW !== void 0 ? _node$options$indentW : false),
_useState6 = _slicedToArray(_useState5, 2),
useTabs = _useState6[0],
setUseTabs = _useState6[1];
var _useState7 = useState((_node$options$lineNum = node.options.lineNumbers) !== null && _node$options$lineNum !== void 0 ? _node$options$lineNum : false),
_useState8 = _slicedToArray(_useState7, 2),
showLineNumbers = _useState8[0],
setShowLineNumbers = _useState8[1];
var _useState9 = useState(true),
_useState10 = _slicedToArray(_useState9, 2),
expand = _useState10[0],
setExpand = _useState10[1];
// 复制代码
var handleCopy = useCallback( /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
var code;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
if (!instanceRef.current) {
_context.next = 10;
break;
}
code = instanceRef.current.getValue();
_context.prev = 2;
_context.next = 5;
return navigator.clipboard.writeText(code);
case 5:
_context.next = 10;
break;
case 7:
_context.prev = 7;
_context.t0 = _context["catch"](2);
message.error(t('codemirror.copyFailed'));
case 10:
case "end":
return _context.stop();
}
}, _callee, null, [[2, 7]]);
})), [t]);
// 更改语言
var handleLanguageChange = useCallback(function (value) {
setSelectedLang(value);
if (instanceRef.current) {
instanceRef.current.setOption('mode', value);
}
editor.update(function () {
node.setLang(value);
});
}, [editor, node]);
// 更改 tab 大小
var handleTabSizeChange = useCallback(function () {
var value = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 2;
var v = value === null ? 2 : value;
setTabSize(v);
if (instanceRef.current) {
instanceRef.current.setOption('tabSize', v);
}
editor.update(function () {
node.setTabSize(v);
});
}, [editor, node]);
// 更改是否使用制表符
var handleUseTabsChange = useCallback(function (checked) {
setUseTabs(checked);
if (instanceRef.current) {
instanceRef.current.setOption('indentWithTabs', checked);
}
editor.update(function () {
node.setIndentWithTabs(checked);
});
}, [editor, node]);
var handleShowLineNumbersChange = useCallback(function (checked) {
setShowLineNumbers(checked);
if (instanceRef.current) {
instanceRef.current.setOption('lineNumbers', checked);
}
editor.update(function () {
node.setLineNumbers(checked);
});
}, [editor, node]);
useEffect(function () {
var _instanceRef$current;
var sel = editor.getEditorState().read(function () {
return $getSelection();
});
// 鼠标主动点击导致的选中，不处理
if ((_instanceRef$current = instanceRef.current) !== null && _instanceRef$current !== void 0 && _instanceRef$current.view.hasFocus && sel === null) {
return;
}
// 选区移走
if (!isSelected || !isNodeSelected) {
if (instanceRef.current) {
instanceRef.current.blur();
}
return;
}
// 选中状态下，聚焦 CodeMirror
if (isSelected && instanceRef.current && isNodeSelected) {
var _instanceRef$current2;
// 已经聚焦不在处理
if ((_instanceRef$current2 = instanceRef.current) !== null && _instanceRef$current2 !== void 0 && _instanceRef$current2.view.hasFocus) {
return;
}
instanceRef.current.focus();
if (keydownRef.current === 'end') {
instanceRef.current.setSelectionToEnd();
}
}
}, [isSelected, isNodeSelected, editor]);
useEffect(function () {
// 防止重复初始化：如果已经有实例，直接返回
if (instanceRef.current) {
return;
}
if (ref.current) {
var dom = ref.current;
loadCodeMirror().then(function (CodeMirror) {
// 双重检查：在异步操作后再次确认没有重复初始化
if (instanceRef.current) {
return;
}
var instance = CodeMirror.fromTextArea(dom, {
// keep options alphabetically ordered
indentWithTabs: useTabs,
lineNumbers: showLineNumbers,
mode: node.lang,
tabSize: tabSize,
theme: 'default',
value: node.code
});
console.info(instance);
instance.view.dispatch({
effects: instance.optionHelper.theme.reconfigure(instance.view.constructor.theme(lobeTheme, {
dark: false
}))
});
// 初始化 isEmptyRef 的值
isEmptyRef.current = !node.code.trim();
instance.on('keydown', function (instance, e) {
e.stopPropagation();
// Cmd+Enter / Ctrl+Enter: exit codeblock (move caret after the block)
if ((e.key === 'Enter' || e.keyCode === 13) && (e.metaKey || e.ctrlKey)) {
var _instanceRef$current3;
e.preventDefault();
(_instanceRef$current3 = instanceRef.current) === null || _instanceRef$current3 === void 0 || _instanceRef$current3.blur();
editor.dispatchCommand(SELECT_AFTER_CODEMIRROR_COMMAND, {
key: node.getKey()
});
queueMicrotask(function () {
editor.focus();
});
return;
}
// 当代码块为空且按退格键时，删除代码块节点
if (e.key === 'Backspace' || e.keyCode === 8) {
// 检查代码内容是否为空（使用 ref 中存储的状态）
if (!isEmptyRef.current) {
return;
}
e.preventDefault();
editor.update(function () {
var prevNode = node.getPreviousSibling();
node.remove();
// 如果有前一个节点，选择它的末尾
if (prevNode) {
var prevSelection = prevNode.selectEnd();
if (prevSelection) {
$setSelection(prevSelection);
}
}
});
// 将焦点返回到编辑器
queueMicrotask(function () {
editor.focus();
});
}
});
instance.on('leftOut', function () {
var _instanceRef$current4;
(_instanceRef$current4 = instanceRef.current) === null || _instanceRef$current4 === void 0 || _instanceRef$current4.blur();
editor.dispatchCommand(SELECT_BEFORE_CODEMIRROR_COMMAND, {
key: node.getKey()
});
queueMicrotask(function () {
editor.focus();
});
});
instance.on('rightOut', function () {
var _instanceRef$current5;
(_instanceRef$current5 = instanceRef.current) === null || _instanceRef$current5 === void 0 || _instanceRef$current5.blur();
editor.dispatchCommand(SELECT_AFTER_CODEMIRROR_COMMAND, {
key: node.getKey()
});
queueMicrotask(function () {
editor.focus();
});
});
instance.on('change', function () {
var currentValue = instance.getValue();
// 立即检查代码是否为空（trim 后为空），用于 keydown 事件判断
isEmptyRef.current = !currentValue.trim();
});
instance.on('change', debounce(function () {
var currentValue = instance.getValue();
// 更新代码内容
editor.update(function () {
node.setCode(currentValue);
});
}));
instance.on('focus', function () {
if (editor.getEditorState().read(function () {
var sel = $getSelection();
if (!sel) return false;
if ((sel === null || sel === void 0 ? void 0 : sel.getNodes().length) > 1 || !(sel !== null && sel !== void 0 && sel.getNodes().includes(node))) {
return true;
}
return false;
})) {
setSelected(true);
}
});
instanceRef.current = instance;
if (isSelected) {
instanceRef.current.focus();
}
});
}
return function () {
if (instanceRef.current) {
instanceRef.current.destroy();
instanceRef.current = null;
}
};
}, [ref]);
useEffect(function () {
return mergeRegister(editor.registerCommand(KEY_DOWN_COMMAND, function (payload) {
// console.info('KEY_DOWN_COMMAND:', payload, keydownRef.current);
if (payload.key === 'ArrowLeft' || payload.key === 'ArrowUp') {
keydownRef.current = 'end';
} else {
keydownRef.current = '';
}
return false;
}, COMMAND_PRIORITY_CRITICAL));
}, [clearSelection, editor, isSelected, node, setSelected]);
return /*#__PURE__*/_jsxs(Block, {
className: cx(styles, isSelected && !isNodeSelected && 'selected', className),
onMouseDown: function onMouseDown(e) {
return e.stopPropagation();
},
onMouseUp: function onMouseUp(e) {
return e.stopPropagation();
},
onSelect: function onSelect(e) {
return e.stopPropagation();
},
variant: 'filled',
children: [/*#__PURE__*/_jsx(Toolbar, {
expand: expand,
onClick: function onClick() {
return setExpand(!expand);
},
onCopy: handleCopy,
onLanguageChange: handleLanguageChange,
onShowLineNumbersChange: handleShowLineNumbersChange,
onTabSizeChange: handleTabSizeChange,
onUseTabsChange: handleUseTabsChange,
selectedLang: selectedLang,
showLineNumbers: showLineNumbers,
tabSize: tabSize,
toggleExpand: function toggleExpand() {
return setExpand(!expand);
},
useTabs: useTabs
}), /*#__PURE__*/_jsx("div", {
className: cx('cm-container', !expand && 'cm-container-collapsed'),
children: /*#__PURE__*/_jsx("textarea", {
className: 'cm-textarea',
ref: ref
})
})]
});
};
ReactCodemirrorNode.displayName = 'ReactCodemirrorNode';
export default ReactCodemirrorNode;