All files / roosterjs-content-model-markdown/lib/markdownToModel/appliers applySegmentFormatting.ts

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import { adjustHeading } from '../utils/adjustHeading';
import { createBr } from 'roosterjs-content-model-dom';
import { parseInlineSegments } from '../utils/parseInlineSegments';
 
import type {
    ContentModelParagraph,
    ContentModelParagraphDecorator,
    ContentModelSegment,
} from 'roosterjs-content-model-types';
 
/**
 * @internal
 */
export function applySegmentFormatting(
    text: string,
    paragraph: ContentModelParagraph,
    decorator?: ContentModelParagraphDecorator
): ContentModelParagraph | undefined {
    if (text.length === 0) {
        const br = createBr();
        paragraph.segments.push(br);
    } else {
        const segments: ContentModelSegment[] = [];
        parseInlineSegments(text, segments);
 
        // Apply heading adjustment to the first text-bearing segment, if any.
        let headingAdjusted = false;
        for (const segment of segments) {
            if (!headingAdjusted && segment.segmentType === 'Text') {
                const adjusted = adjustHeading(segment, decorator);
                headingAdjusted = true;
                if (!adjusted) {
                    continue;
                }
            }
            paragraph.segments.push(segment);
        }
    }
 
    return paragraph;
}