@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.
273 lines • 24 kB
JavaScript
var _class;
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : String(i); }
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import { INodeHelper } from "../../../editor-kernel/inode/helper";
import { KernelPlugin } from "../../../editor-kernel/plugin";
import { INodeService } from "../../inode";
import { ILitexmlService } from "../../litexml";
import { IMarkdownShortCutService } from "../../markdown/service/shortcut";
import { IUploadService, UPLOAD_PRIORITY_HIGH } from "../../upload";
import { INSERT_IMAGE_COMMAND, registerImageCommand } from "../command";
import { $isBlockImageNode, BlockImageNode } from "../node/block-image-node";
import { $isImageNode, ImageNode } from "../node/image-node";
export var ImagePlugin = (_class = /*#__PURE__*/function (_KernelPlugin) {
_inherits(ImagePlugin, _KernelPlugin);
var _super = _createSuper(ImagePlugin);
function ImagePlugin(kernel, config) {
var _this;
_classCallCheck(this, ImagePlugin);
_this = _super.call(this);
_this.kernel = kernel;
_this.config = config;
kernel.registerNodes([ImageNode, BlockImageNode]);
ImageNode.setDecorate(config.renderImage);
BlockImageNode.setDecorate(config.renderImage);
if (config !== null && config !== void 0 && config.theme) {
kernel.registerThemes(config.theme);
}
return _this;
}
_createClass(ImagePlugin, [{
key: "onInit",
value: function onInit(editor) {
var _this$config, _this$config2, _this$config3;
this.register(registerImageCommand(editor, this.config.handleUpload, ((_this$config = this.config) === null || _this$config === void 0 ? void 0 : _this$config.defaultBlockImage) !== false));
this.registerMarkdown();
this.registerLiteXml();
this.registerINode();
this.registerUpload(editor);
if ((_this$config2 = this.config) !== null && _this$config2 !== void 0 && _this$config2.needRehost && (_this$config3 = this.config) !== null && _this$config3 !== void 0 && _this$config3.handleRehost) {
var needRehost = this.config.needRehost;
var handleRehost = this.config.handleRehost;
this.register(editor.registerNodeTransform(ImageNode, function (node) {
if (node.status === 'uploaded' && needRehost(node.src)) {
node.setStatus('loading');
handleRehost(node.src).then(function (_ref) {
var url = _ref.url;
editor.update(function () {
node.setUploaded(url);
});
}).catch(function () {
editor.update(function () {
node.setError('Rehost failed');
});
});
}
}));
this.register(editor.registerNodeTransform(BlockImageNode, function (node) {
if (node.status === 'uploaded' && needRehost(node.src)) {
node.setStatus('loading');
handleRehost(node.src).then(function (_ref2) {
var url = _ref2.url;
editor.update(function () {
node.setUploaded(url);
});
}).catch(function () {
editor.update(function () {
node.setError('Rehost failed');
});
});
}
}));
}
}
}, {
key: "registerUpload",
value: function registerUpload(editor) {
var _this2 = this;
var uploadService = this.kernel.requireService(IUploadService);
if (!uploadService) {
return;
}
uploadService.registerUpload( /*#__PURE__*/function () {
var _ref3 = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee(file, from, range) {
var _this2$config;
var imageWidth;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
_context.next = 2;
return _this2.getImageWidth(file);
case 2:
imageWidth = _context.sent;
return _context.abrupt("return", editor.dispatchCommand(INSERT_IMAGE_COMMAND, {
block: ((_this2$config = _this2.config) === null || _this2$config === void 0 ? void 0 : _this2$config.defaultBlockImage) !== false,
file: file,
maxWidth: imageWidth,
range: range
}));
case 4:
case "end":
return _context.stop();
}
}, _callee);
}));
return function (_x, _x2, _x3) {
return _ref3.apply(this, arguments);
};
}(), UPLOAD_PRIORITY_HIGH);
}
}, {
key: "registerLiteXml",
value: function registerLiteXml() {
var _this3 = this;
var litexmlService = this.kernel.requireService(ILitexmlService);
if (!litexmlService) {
return;
}
litexmlService.registerXMLWriter(ImageNode.getType(), function (node, ctx) {
if ($isImageNode(node)) {
var attributes = {
src: node.src
};
if (node.altText) {
attributes.alt = node.altText;
}
return ctx.createXmlNode('img', attributes);
}
return false;
});
litexmlService.registerXMLWriter(BlockImageNode.getType(), function (node, ctx) {
if ($isBlockImageNode(node)) {
var attributes = {
block: 'true',
src: node.src
};
if (node.altText) {
attributes.alt = node.altText;
}
if (node.width) {
attributes.width = String(node.width);
}
if (node.maxWidth) {
attributes['max-width'] = String(node.maxWidth);
}
return ctx.createXmlNode('img', attributes);
}
return false;
});
litexmlService.registerXMLReader('img', function (xmlNode) {
var _this3$config;
if (((_this3$config = _this3.config) === null || _this3$config === void 0 ? void 0 : _this3$config.defaultBlockImage) !== false) {
return INodeHelper.createElementNode(BlockImageNode.getType(), {
altText: xmlNode.getAttribute('alt') || '',
maxWidth: xmlNode.getAttribute('max-width') ? parseInt(xmlNode.getAttribute('max-width'), 10) : undefined,
src: xmlNode.getAttribute('src') || '',
width: xmlNode.getAttribute('width') ? parseInt(xmlNode.getAttribute('width'), 10) : undefined
});
}
if (xmlNode.getAttribute('block') === 'true') {
return INodeHelper.createElementNode(BlockImageNode.getType(), {
altText: xmlNode.getAttribute('alt') || '',
maxWidth: xmlNode.getAttribute('max-width') ? parseInt(xmlNode.getAttribute('max-width'), 10) : undefined,
src: xmlNode.getAttribute('src') || '',
width: xmlNode.getAttribute('width') ? parseInt(xmlNode.getAttribute('width'), 10) : undefined
});
} else {
return INodeHelper.createElementNode(ImageNode.getType(), {
altText: xmlNode.getAttribute('alt') || '',
maxWidth: xmlNode.getAttribute('max-width') ? parseInt(xmlNode.getAttribute('max-width'), 10) : undefined,
src: xmlNode.getAttribute('src') || '',
width: xmlNode.getAttribute('width') ? parseInt(xmlNode.getAttribute('width'), 10) : undefined
});
}
});
}
}, {
key: "registerMarkdown",
value: function registerMarkdown() {
var _this$config4;
var defaultBlockImage = ((_this$config4 = this.config) === null || _this$config4 === void 0 ? void 0 : _this$config4.defaultBlockImage) !== false;
var markdownService = this.kernel.requireService(IMarkdownShortCutService);
if (!markdownService) {
return;
}
markdownService.registerMarkdownWriter(ImageNode.getType(), function (ctx, node) {
if ($isImageNode(node)) {
ctx.appendLine("![".concat(node.altText, "](").concat(node.src, ")"));
}
});
markdownService.registerMarkdownWriter(BlockImageNode.getType(), function (ctx, node) {
if ($isBlockImageNode(node)) {
ctx.appendLine("![".concat(node.altText, "](").concat(node.src, ")\n\n"));
}
});
markdownService.registerMarkdownReader('image', function (node) {
var altText = node.alt;
var src = node.url;
return INodeHelper.createTypeNode(defaultBlockImage ? BlockImageNode.getType() : ImageNode.getType(), {
altText: altText,
showCaption: false,
src: src,
version: 1
});
});
}
}, {
key: "registerINode",
value: function registerINode() {
var service = this.kernel.requireService(INodeService);
if (!service) {
return;
}
service.registerProcessNodeTree(function (_ref4) {
var root = _ref4.root;
// Process the root node
var loopNodes = function loopNodes(node) {
if ('children' in node && Array.isArray(node.children)) {
if (node.type === 'paragraph' && node.children.length === 1 && node.children[0].type === BlockImageNode.getType()) {
return node.children[0];
}
node.children = node.children.map(function (child) {
return loopNodes(child);
});
}
return node;
};
root.children = root.children.map(function (child) {
return loopNodes(child);
});
});
}
}, {
key: "getImageWidth",
value: function getImageWidth(file) {
return new Promise(function (resolve) {
var reader = new FileReader();
reader.addEventListener('load', function (e) {
var _e$target;
var img = new Image();
img.addEventListener('load', function () {
resolve(img.naturalWidth);
});
img.addEventListener('error', function () {
// Default width if image fails to load
resolve(800);
});
img.src = (_e$target = e.target) === null || _e$target === void 0 ? void 0 : _e$target.result;
});
reader.addEventListener('error', function () {
// Default width if file reading fails
resolve(800);
});
reader.readAsDataURL(file);
});
}
}]);
return ImagePlugin;
}(KernelPlugin), _defineProperty(_class, "pluginName", 'ImagePlugin'), _class);