All files / roosterjs-content-model-plugins/lib/findReplace/utils setMarkedIndex.ts

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import { scrollRectIntoView } from 'roosterjs-content-model-dom';
import type { IEditor, Rect } from 'roosterjs-content-model-types';
import type { FindReplaceContext } from '../types/FindReplaceContext';
 
/**
 * @internal
 */
export function setMarkedIndex(
    editor: IEditor,
    context: FindReplaceContext,
    index: number,
    alternativeRange?: Range | null
): void {
    context.replaceHighlight.clear();
    context.markedIndex = index;
 
    const range = context.ranges[context.markedIndex];
 
    if (range) {
        context.replaceHighlight.addRanges([range]);
        let rect: Rect | null;
 
        Eif (context.scrollMargin >= 0 && (rect = editor.getVisibleViewport())) {
            scrollRectIntoView(
                editor.getScrollContainer(),
                rect,
                editor.getDOMHelper(),
                range.getBoundingClientRect(),
                context.scrollMargin,
                true /*preferTop*/
            );
        }
    } else {
        context.markedIndex = -1;
    }
 
    editor.triggerEvent('findResultChanged', {
        markedIndex: context.markedIndex,
        ranges: context.ranges,
        alternativeRange,
    });
}