41 lines
964 B
TypeScript
41 lines
964 B
TypeScript
import { ResolvedPos, MarkType } from "prosemirror-model";
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export default function getMarkRange($pos?: ResolvedPos, type?: MarkType) {
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if (!$pos || !type) {
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return false;
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}
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const start = $pos.parent.childAfter($pos.parentOffset);
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if (!start.node) {
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return false;
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}
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const mark = start.node.marks.find((mark) => mark.type === type);
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if (!mark) {
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return false;
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}
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let startIndex = $pos.index();
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let startPos = $pos.start() + start.offset;
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let endIndex = startIndex + 1;
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let endPos = startPos + start.node.nodeSize;
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while (
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startIndex > 0 &&
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mark.isInSet($pos.parent.child(startIndex - 1).marks)
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) {
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startIndex -= 1;
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startPos -= $pos.parent.child(startIndex).nodeSize;
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}
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while (
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endIndex < $pos.parent.childCount &&
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mark.isInSet($pos.parent.child(endIndex).marks)
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) {
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endPos += $pos.parent.child(endIndex).nodeSize;
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endIndex += 1;
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}
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return { from: startPos, to: endPos, mark };
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}
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