ExtendedTextNode
parent
546aa729b9
commit
af8fb09244
@ -0,0 +1,129 @@
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import {
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$applyNodeReplacement,
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$isTextNode,
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DOMConversion,
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DOMConversionMap,
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DOMConversionOutput,
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NodeKey,
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TextNode,
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SerializedTextNode,
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LexicalNode
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} from 'lexical';
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export class ExtendedTextNode extends TextNode {
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constructor(text: string, key?: NodeKey) {
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super(text, key);
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}
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static getType(): string {
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return 'extended-text';
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}
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static clone(node: ExtendedTextNode): ExtendedTextNode {
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return new ExtendedTextNode(node.__text, node.__key);
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}
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static importDOM(): DOMConversionMap | null {
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const importers = TextNode.importDOM();
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return {
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...importers,
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code: () => ({
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conversion: patchStyleConversion(importers?.code),
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priority: 1
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}),
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em: () => ({
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conversion: patchStyleConversion(importers?.em),
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priority: 1
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}),
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span: () => ({
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conversion: patchStyleConversion(importers?.span),
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priority: 1
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}),
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strong: () => ({
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conversion: patchStyleConversion(importers?.strong),
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priority: 1
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}),
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sub: () => ({
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conversion: patchStyleConversion(importers?.sub),
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priority: 1
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}),
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sup: () => ({
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conversion: patchStyleConversion(importers?.sup),
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priority: 1
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}),
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};
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}
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static importJSON(serializedNode: SerializedTextNode): TextNode {
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return TextNode.importJSON(serializedNode);
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}
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isSimpleText() {
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return this.__type === 'extended-text' && this.__mode === 0;
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}
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exportJSON(): SerializedTextNode {
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return {
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...super.exportJSON(),
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type: 'extended-text',
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version: 1,
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}
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}
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}
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export function $createExtendedTextNode(text: string): ExtendedTextNode {
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return $applyNodeReplacement(new ExtendedTextNode(text));
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}
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export function $isExtendedTextNode(node: LexicalNode | null | undefined): node is ExtendedTextNode {
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return node instanceof ExtendedTextNode;
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}
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function patchStyleConversion(
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originalDOMConverter?: (node: HTMLElement) => DOMConversion | null
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): (node: HTMLElement) => DOMConversionOutput | null {
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return (node) => {
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const original = originalDOMConverter?.(node);
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if (!original) {
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return null;
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}
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const originalOutput = original.conversion(node);
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if (!originalOutput) {
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return originalOutput;
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}
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const background = node.style.background;
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const backgroundColor = node.style.backgroundColor;
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const color = node.style.color;
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const fontFamily = node.style.fontFamily;
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const fontWeight = node.style.fontWeight;
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const fontSize = node.style.fontSize;
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const textDecoration = node.style.textDecoration;
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return {
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...originalOutput,
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forChild: (lexicalNode, parent) => {
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const originalForChild = originalOutput?.forChild ?? ((x) => x);
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const result = originalForChild(lexicalNode, parent);
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if ($isTextNode(result)) {
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const style = [
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background ? `background: ${background}` : null,
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backgroundColor ? `background-color: ${backgroundColor}` : null,
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color ? `color: ${color}` : null,
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fontFamily ? `font-family: ${fontFamily}` : null,
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fontWeight ? `font-weight: ${fontWeight}` : null,
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fontSize ? `font-size: ${fontSize}` : null,
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textDecoration ? `text-decoration: ${textDecoration}` : null,
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]
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.filter((value) => value != null)
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.join('; ');
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if (style.length) {
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return result.setStyle(style);
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}
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}
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return result;
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}
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};
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};
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}
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