@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.
112 lines (110 loc) • 5.79 kB
JavaScript
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); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
import { addClassNamesToElement, removeClassNamesFromElement } from '@lexical/utils';
import Katex from 'katex';
import { $getSelection, $isNodeSelection, CLICK_COMMAND, COMMAND_PRIORITY_NORMAL } from 'lexical';
import { useEffect, useRef, useState } from 'react';
import { useLexicalEditor } from "../../../../editor-kernel/react";
import { useLexicalNodeSelection } from "../../../../editor-kernel/react/useLexicalNodeSelection";
import { createDebugLogger } from "../../../../utils/debug";
import { $isMathNode, MathBlockNode } from "../../node";
import Placeholder from "./Placeholder";
import { jsx as _jsx } from "react/jsx-runtime";
var logger = createDebugLogger('plugin', 'math');
var MathInline = function MathInline(_ref) {
var editor = _ref.editor,
node = _ref.node,
className = _ref.className;
var ref = useRef(null);
var _useLexicalNodeSelect = useLexicalNodeSelection(node.getKey()),
_useLexicalNodeSelect2 = _slicedToArray(_useLexicalNodeSelect, 2),
isSelected = _useLexicalNodeSelect2[0],
setSelected = _useLexicalNodeSelect2[1];
var _useState = useState(false),
_useState2 = _slicedToArray(_useState, 2),
isEditing = _useState2[0],
setIsEditing = _useState2[1];
var isMathBlock = node instanceof MathBlockNode;
useEffect(function () {
if (ref.current && node.code) {
Katex.render(node.code, ref.current, {
// 使用 displayMode 渲染块级公式
displayMode: node instanceof MathBlockNode,
throwOnError: false
});
}
}, [node.code]);
useEffect(function () {
var parent = editor.getElementByKey(node.getKey());
if (parent) {
// 防抖处理，避免过于频繁的 DOM 操作
var timeoutId = setTimeout(function () {
if (isEditing) {
addClassNamesToElement(parent, 'editing');
removeClassNamesFromElement(parent, 'selected');
} else if (isSelected) {
addClassNamesToElement(parent, 'selected');
removeClassNamesFromElement(parent, 'editing');
} else {
removeClassNamesFromElement(parent, 'selected');
removeClassNamesFromElement(parent, 'editing');
}
}, 10);
return function () {
return clearTimeout(timeoutId);
};
}
}, [isSelected, isEditing, editor, node]);
useLexicalEditor(function (editor) {
return editor.registerCommand(CLICK_COMMAND, function (payload) {
logger.debug('📊 Math click event:', payload.target === ref.current);
if (payload.target && payload.target instanceof Node) {
var _ref$current;
// 获取节点对应的 DOM 元素
var nodeElement = editor.getElementByKey(node.getKey());
// 对于 block 模式，检查是否点击在整个节点容器内
// 对于 inline 模式，仍然检查是否点击在渲染内容内
var isClickInNode = node instanceof MathBlockNode ? nodeElement === null || nodeElement === void 0 ? void 0 : nodeElement.contains(payload.target) : (_ref$current = ref.current) === null || _ref$current === void 0 ? void 0 : _ref$current.contains(payload.target);
if (isClickInNode) {
setSelected(true);
}
}
return false;
}, COMMAND_PRIORITY_NORMAL);
}, [node]);
// 监听编辑器状态变化来检测编辑状态
useLexicalEditor(function (editor) {
return editor.registerUpdateListener(function () {
editor.getEditorState().read(function () {
var selection = $getSelection();
if (!$isNodeSelection(selection)) {
setIsEditing(false);
return;
}
var selectedNode = selection.getNodes()[0];
if (!$isMathNode(selectedNode)) {
setIsEditing(false);
return;
}
// 检查是否选中的是当前节点，且有数学编辑器显示
if (selectedNode.getKey() === node.getKey()) {
setIsEditing(true);
} else {
setIsEditing(false);
}
});
});
}, [node]);
return /*#__PURE__*/_jsx("span", {
className: className,
ref: ref,
children: node.code ? node.code : /*#__PURE__*/_jsx(Placeholder, {
mathBlock: isMathBlock
})
});
};
export default MathInline;