@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.
234 lines (218 loc) • 9.37 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 { cx } from 'antd-style';
import { COMMAND_PRIORITY_LOW, SELECTION_CHANGE_COMMAND } from 'lexical';
import React, { memo, useCallback, useMemo, useRef, useState } from 'react';
import { useLexicalEditor } from "../../../../editor-kernel/react/useLexicalEditor";
import { useLexicalNodeSelection } from "../../../../editor-kernel/react/useLexicalNodeSelection";
import { $isBlockImageNode } from "../../node/block-image-node";
import BrokenImage from "./BrokenImage";
import LazyImage from "./LazyImage";
import { ResizeHandle } from "./ResizeHandle";
import { styles } from "./style";
import { jsx as _jsx } from "react/jsx-runtime";
import { jsxs as _jsxs } from "react/jsx-runtime";
import { Fragment as _Fragment } from "react/jsx-runtime";
// Keep memo: Complex resize logic, state management, and multiple event handlers
var Image = /*#__PURE__*/memo(function (_ref) {
var node = _ref.node,
className = _ref.className,
_ref$showScaleInfo = _ref.showScaleInfo,
showScaleInfo = _ref$showScaleInfo === void 0 ? false : _ref$showScaleInfo;
var _useLexicalNodeSelect = useLexicalNodeSelection(node.getKey()),
_useLexicalNodeSelect2 = _slicedToArray(_useLexicalNodeSelect, 2),
isSelected = _useLexicalNodeSelect2[0],
setSelected = _useLexicalNodeSelect2[1];
var _useState = useState(false),
_useState2 = _slicedToArray(_useState, 2),
isHovered = _useState2[0],
setIsHovered = _useState2[1];
var _useState3 = useState(1),
_useState4 = _slicedToArray(_useState3, 2),
scale = _useState4[0],
setScale = _useState4[1];
var _useState5 = useState({
height: 0,
width: 0
}),
_useState6 = _slicedToArray(_useState5, 2),
size = _useState6[0],
setSize = _useState6[1];
var _useState7 = useState(null),
_useState8 = _slicedToArray(_useState7, 2),
newWidth = _useState8[0],
setNewWidth = _useState8[1];
var imageRef = useRef(null);
var originalSizeRef = useRef({
height: 0,
width: 0
});
var editorRef = useRef(null);
var startWidthRef = useRef(0);
var isBlock = useMemo(function () {
return $isBlockImageNode(node);
}, [node]);
useLexicalEditor(function (editor) {
editorRef.current = editor;
var unregister = editor.registerCommand(SELECTION_CHANGE_COMMAND,
// eslint-disable-next-line @typescript-eslint/no-unused-vars
function (_, _activeEditor) {
return false;
}, COMMAND_PRIORITY_LOW);
return function () {
editorRef.current = null;
unregister();
};
}, []);
// Resize by dragging - only control width; height is calculated by aspect ratio
var handleResize = useCallback(function (deltaX) {
var _imageRef$current$par;
if (!originalSizeRef.current.width || !originalSizeRef.current.height) return;
if (!imageRef.current) return;
var aspectRatio = originalSizeRef.current.width / originalSizeRef.current.height;
// Get parent container width to limit max width
var parentWidth = ((_imageRef$current$par = imageRef.current.parentElement) === null || _imageRef$current$par === void 0 ? void 0 : _imageRef$current$par.clientWidth) || window.innerWidth;
var maxWidth = parentWidth;
// Since image is centered, delta is halved (both sides resize)
var adjustedDeltaX = deltaX * 2;
// Use the width captured at mousedown time
var newWidth = Math.max(50, Math.min(startWidthRef.current + adjustedDeltaX, maxWidth));
// Calculate new height based on the original aspect ratio
var newHeight = newWidth / aspectRatio;
setSize({
height: newHeight,
width: newWidth
});
setNewWidth(newWidth);
// Update the scale
var newScale = newWidth / originalSizeRef.current.width;
setScale(newScale);
}, []);
// Store the initial width when resize starts
var handleResizeStart = useCallback(function (initialWidth) {
startWidthRef.current = initialWidth;
}, []);
// Click to select
var handleClick = useCallback(function (e) {
e.stopPropagation();
setSelected(true);
}, [setSelected]);
// Double-click to reset to original size and aspect ratio
var handleDoubleClick = useCallback(function (e) {
var editor = editorRef.current;
if (!editor) return;
e.stopPropagation();
e.preventDefault();
var orig = originalSizeRef.current;
if (!orig.width || !orig.height) return;
setSize(orig);
setScale(1);
setNewWidth(orig.width);
editor.update(function () {
try {
node.setWidth(orig.width);
node.setMaxWidth(orig.width);
} catch (_unused) {
// ignore errors silently
}
});
}, []);
// Mouse enter handler
var handleMouseEnter = useCallback(function () {
setIsHovered(true);
}, []);
// Mouse leave handler
var handleMouseLeave = useCallback(function () {
setIsHovered(false);
}, []);
var children = useMemo(function () {
switch (node.status) {
case 'error':
{
return /*#__PURE__*/_jsx(BrokenImage, {});
}
case 'uploaded':
case 'loading':
{
return /*#__PURE__*/_jsx(LazyImage, {
className: className,
newWidth: newWidth,
node: node,
onLoad: function onLoad(size) {
originalSizeRef.current.width = size.width;
originalSizeRef.current.height = size.height;
setSize(size);
}
});
}
default:
{
return null;
}
}
}, [node.status, className, node, newWidth]);
// On resize end, persist to node (set maxWidth)
var handleResizeEnd = useCallback(function (deltaX) {
var _imageRef$current$par2;
if (!originalSizeRef.current.width || !originalSizeRef.current.height) return;
if (!imageRef.current) return;
// Get parent container width to limit max width
var parentWidth = ((_imageRef$current$par2 = imageRef.current.parentElement) === null || _imageRef$current$par2 === void 0 ? void 0 : _imageRef$current$par2.clientWidth) || window.innerWidth;
var maxWidth = parentWidth;
// Since image is centered, delta is halved (both sides resize)
var adjustedDeltaX = deltaX / 2;
// Use the width captured at mousedown time
var finalWidth = Math.max(50, Math.min(startWidthRef.current + adjustedDeltaX, maxWidth));
// persist to node via editor.update
var editor = editorRef.current;
if (!editor) return;
editor.update(function () {
try {
node.setWidth(finalWidth);
node.setMaxWidth(finalWidth);
} catch (_unused2) {
// ignore errors silently
}
});
}, [node]);
return /*#__PURE__*/_jsxs("div", {
className: cx(styles.imageContainer, {
selected: isSelected
}),
draggable: false,
onClick: handleClick,
onDoubleClick: handleDoubleClick,
onMouseEnter: handleMouseEnter,
onMouseLeave: handleMouseLeave,
ref: imageRef,
style: {
width: size.width || 'auto'
},
children: [children, showScaleInfo && isSelected && scale !== 1 && /*#__PURE__*/_jsxs("div", {
className: styles.scaleInfo,
children: [Math.round(scale * 100), "%"]
}), isHovered && node.status === 'uploaded' && /*#__PURE__*/_jsxs(_Fragment, {
children: [/*#__PURE__*/_jsx(ResizeHandle, {
imageRef: imageRef,
isBlock: isBlock,
onResize: handleResize,
onResizeEnd: handleResizeEnd,
onResizeStart: handleResizeStart,
position: "left"
}), /*#__PURE__*/_jsx(ResizeHandle, {
imageRef: imageRef,
isBlock: isBlock,
onResize: handleResize,
onResizeEnd: handleResizeEnd,
onResizeStart: handleResizeStart,
position: "right"
})]
})]
});
});
Image.displayName = 'Image';
export default Image;