83 lines
2.2 KiB
TypeScript
83 lines
2.2 KiB
TypeScript
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/* eslint-disable no-underscore-dangle -- Lexical nodes use protected __ fields by convention. */
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import { $isTextNode, TextNode } from "lexical"
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import type {
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DOMConversionMap,
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DOMConversionOutput,
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DOMConversionProp,
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SerializedTextNode,
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} from "lexical"
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function patchTextStyleConversion(
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originalDOMConverter?: DOMConversionProp<HTMLElement>
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) {
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return (node: HTMLElement): DOMConversionOutput | null => {
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const original = originalDOMConverter?.(node)
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const output = original?.conversion(node)
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if (!output) return null
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const color = node.style.color
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const backgroundColor = node.style.backgroundColor
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const textDecoration = node.style.textDecoration
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const style = [
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color ? `color: ${color}` : null,
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backgroundColor ? `background-color: ${backgroundColor}` : null,
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textDecoration ? `text-decoration: ${textDecoration}` : null,
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]
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.filter(Boolean)
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.join("; ")
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return {
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...output,
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forChild: (lexicalNode, parent) => {
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const converted = output.forChild
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? output.forChild(lexicalNode, parent)
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: lexicalNode
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if ($isTextNode(converted) && style) converted.setStyle(style)
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return converted
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},
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}
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}
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}
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export class LexicalTextNode extends TextNode {
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static getType(): string {
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return "lexical-text"
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}
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static clone(node: LexicalTextNode): LexicalTextNode {
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return new LexicalTextNode(node.__text, node.__key)
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}
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static importJSON(node: SerializedTextNode): LexicalTextNode {
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return new LexicalTextNode().updateFromJSON(node)
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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: patchTextStyleConversion(importers?.code),
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priority: 1,
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}),
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em: () => ({
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conversion: patchTextStyleConversion(importers?.em),
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priority: 1,
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}),
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span: () => ({
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conversion: patchTextStyleConversion(importers?.span),
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priority: 1,
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}),
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strong: () => ({
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conversion: patchTextStyleConversion(importers?.strong),
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priority: 1,
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}),
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}
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}
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isSimpleText(): boolean {
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return this.__type === "lexical-text" && this.__mode === 0
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}
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}
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