@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.
109 lines (105 loc) • 6.29 kB
JavaScript
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
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 { useEffect, useState } from 'react';
import BrokenImage from "./BrokenImage";
import { styles } from "./style";
import { useSuspenseImage } from "./useSupenseImage";
import { jsx as _jsx } from "react/jsx-runtime";
function isSVG(src) {
return src.toLowerCase().endsWith('.svg');
}
var LazyImage = function LazyImage(_ref) {
var className = _ref.className,
node = _ref.node,
newWidth = _ref.newWidth,
onError = _ref.onError,
_onLoad = _ref.onLoad;
var src = node.src,
altText = node.altText,
maxWidth = node.maxWidth,
width = node.width;
var _useState = useState(null),
_useState2 = _slicedToArray(_useState, 2),
dimensions = _useState2[0],
setDimensions = _useState2[1];
var isSVGImage = isSVG(src);
var hasError = useSuspenseImage(src);
useEffect(function () {
if (hasError && onError) {
onError();
}
}, [hasError, onError]);
if (hasError) {
return /*#__PURE__*/_jsx(BrokenImage, {});
}
// Calculate final dimensions with proper scaling
var calculateDimensions = function calculateDimensions() {
if (!isSVGImage) {
return {
maxWidth: maxWidth,
width: width
};
}
// Use natural dimensions if available, otherwise fallback to defaults
var naturalWidth = (dimensions === null || dimensions === void 0 ? void 0 : dimensions.width) || 200;
var naturalHeight = (dimensions === null || dimensions === void 0 ? void 0 : dimensions.height) || 200;
var finalWidth = naturalWidth;
var finalHeight = naturalHeight;
// Scale down if width exceeds maxWidth while maintaining aspect ratio
if (finalWidth > maxWidth) {
var scale = maxWidth / finalWidth;
finalWidth = maxWidth;
finalHeight = Math.round(finalHeight * scale);
}
// Scale down if height exceeds maxHeight while maintaining aspect ratio
var maxHeight = 500;
if (finalHeight > maxHeight) {
var _scale = maxHeight / finalHeight;
finalHeight = maxHeight;
finalWidth = Math.round(finalWidth * _scale);
}
return {
maxWidth: maxWidth,
width: finalWidth
};
};
var imageStyle = calculateDimensions();
return /*#__PURE__*/_jsx("img", {
alt: altText,
className: cx(styles.lazyImage, className || undefined),
draggable: "false",
onError: onError,
onLoad: function onLoad(e) {
var img = e.currentTarget;
var width = Math.min(img.naturalWidth, img.getBoundingClientRect().width);
if (isSVGImage) {
setDimensions({
height: img.naturalHeight,
width: width
});
}
_onLoad === null || _onLoad === void 0 || _onLoad({
height: img.naturalHeight,
width: width
});
},
src: src,
style: _objectSpread(_objectSpread({}, imageStyle), {}, {
maxWidth: "calc(min(".concat(newWidth || imageStyle.maxWidth, "px, 100%))"),
width: newWidth || imageStyle.width
})
});
};
LazyImage.displayName = 'LazyImage';
export default LazyImage;