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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | 1x 1x 71x 71x 71x 71x 71x 23x 71x 38x 132x 71x 71x | import { createText } from 'roosterjs-content-model-dom';
import type {
ContentModelText,
ShallowMutableContentModelParagraph,
} from 'roosterjs-content-model-types';
/**
* Split given text segments from the given range
* @param textSegment segment to split
* @param parent parent paragraph the text segment exist in
* @param start starting point of the split
* @param end ending point of the split
* @returns text segment from the indicated split.
*/
export function splitTextSegment(
textSegment: ContentModelText,
parent: ShallowMutableContentModelParagraph,
start: number,
end: number
): ContentModelText {
const text = textSegment.text;
const index = parent.segments.indexOf(textSegment);
const middleSegment = createText(
text.substring(start, end),
textSegment.format,
textSegment.link,
textSegment.code
);
const newSegments: ContentModelText[] = [middleSegment];
if (start > 0) {
newSegments.unshift(
createText(
text.substring(0, start),
textSegment.format,
textSegment.link,
textSegment.code
)
);
}
if (end < text.length) {
newSegments.push(
createText(text.substring(end), textSegment.format, textSegment.link, textSegment.code)
);
}
newSegments.forEach(segment => (segment.isSelected = textSegment.isSelected));
parent.segments.splice(index, 1, ...newSegments);
return middleSegment;
}
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