@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.
198 lines (189 loc) • 7.97 kB
JavaScript
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread 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 _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
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; }
import { $isQuoteNode } from '@lexical/rich-text';
import { $isTableCellNode, $isTableNode } from '@lexical/table';
import { $getRoot, $isDecoratorNode, $isElementNode, $isParagraphNode, $isRangeSelection, $isTextNode } from 'lexical';
import { INodeHelper } from "../../../editor-kernel/inode/helper";
export var sampleReader = function sampleReader(format, xmlElement, children) {
children.forEach(function (child) {
if (INodeHelper.isTextNode(child)) {
child.format = (child.format || 0) | format;
}
});
return children;
};
export var createBlockNode = function createBlockNode(createNode) {
return function (parentNode, children, match, isImport) {
var node = createNode(match, parentNode);
node.append.apply(node, _toConsumableArray(children));
parentNode.replace(node);
if (!isImport) {
node.select(0, 0);
}
};
};
/**
* Returns the root's text content.
* @returns The root's text content.
*/
export function $rootTextContent() {
var root = $getRoot();
return root.getTextContent();
}
/**
* Determines if the root has any text content and can trim any whitespace if it does.
* @param isEditorComposing - Is the editor in composition mode due to an active Input Method Editor?
* @param trim - Should the root text have its whitespaced trimmed? Defaults to true.
* @returns true if text content is empty, false if there is text or isEditorComposing is true.
*/
export function $isRootTextContentEmpty(isEditorComposing) {
var trim = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
if (isEditorComposing) {
return false;
}
var text = $rootTextContent();
if (trim) {
text = text.trim();
}
return text === '';
}
/**
* Determines if the input should show the placeholder. If anything is in
* in the root the placeholder should not be shown.
* @param isComposing - Is the editor in composition mode due to an active Input Method Editor?
* @returns true if the input should show the placeholder, false otherwise.
*/
export function $canShowPlaceholder(isComposing) {
if (!$isRootTextContentEmpty(isComposing, false)) {
return false;
}
var root = $getRoot();
var children = root.getChildren();
var childrenLength = children.length;
if (childrenLength > 1) {
return false;
}
for (var i = 0; i < childrenLength; i++) {
var topBlock = children[i];
if ($isDecoratorNode(topBlock)) {
return false;
}
if ($isElementNode(topBlock)) {
if (!$isParagraphNode(topBlock)) {
return false;
}
if (topBlock.__indent !== 0) {
return false;
}
var topBlockChildren = topBlock.getChildren();
var topBlockChildrenLength = topBlockChildren.length;
for (var s = 0; s < topBlockChildrenLength; s++) {
var child = topBlockChildren[i];
if (!$isTextNode(child)) {
return false;
}
}
}
}
return true;
}
/**
* Returns a function that executes {@link $canShowPlaceholder}
* @param isEditorComposing - Is the editor in composition mode due to an active Input Method Editor?
* @returns A function that executes $canShowPlaceholder with arguments.
*/
export function $canShowPlaceholderCurry(isEditorComposing) {
return function () {
return $canShowPlaceholder(isEditorComposing);
};
}
// Utility function to check if cursor is in a table
export function $isCursorInTable(selection) {
if (!$isRangeSelection(selection)) {
return {
inCell: false,
inTable: false
};
}
var focusNode = selection.focus.getNode();
var currentNode = focusNode;
var inTable = false;
var inCell = false;
// Traverse up the parent chain to find table context
while (currentNode) {
if ($isTableCellNode(currentNode)) {
inCell = true;
inTable = true;
break;
}
if ($isTableNode(currentNode)) {
inTable = true;
break;
}
var parent = currentNode.getParent();
if (!parent) {
break;
}
currentNode = parent;
}
return {
inCell: inCell,
inTable: inTable
};
}
// Utility function to check if cursor is in a quote
export function $isCursorInQuote(selection) {
if (!$isRangeSelection(selection)) {
return false;
}
var focusNode = selection.focus.getNode();
var currentNode = focusNode;
// Traverse up the parent chain to find quote context
while (currentNode) {
if ($isQuoteNode(currentNode)) {
return true;
}
var parent = currentNode.getParent();
if (!parent) {
break;
}
currentNode = parent;
}
return false;
}
export function exportNodeToJSON(node) {
var serializedNode = node.exportJSON();
var nodeClass = node.constructor;
// @ts-expect-error not error
serializedNode.id = node.getKey();
if (serializedNode.type !== nodeClass.getType()) {
throw new Error("LexicalNode: Node ".concat(nodeClass.name, " does not match the serialized type. Check if .exportJSON() is implemented and it is returning the correct type."));
}
if ($isElementNode(node)) {
var serializedChildren = serializedNode.children;
if (!Array.isArray(serializedChildren)) {
throw new Error("LexicalNode: Node ".concat(nodeClass.name, " is an element but .exportJSON() does not have a children array."));
}
var children = node.getChildren();
var _iterator = _createForOfIteratorHelper(children),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var child = _step.value;
var serializedChildNode = exportNodeToJSON(child);
serializedChildren.push(serializedChildNode);
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
}
// @ts-expect-error not error
return serializedNode;
}