All files / roosterjs-content-model-dom/lib/formatHandlers/segment italicFormatHandler.ts

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import { wrapAllChildNodes } from '../../domUtils/moveChildNodes';
import type { FormatHandler } from '../FormatHandler';
import type { ItalicFormat } from 'roosterjs-content-model-types';
 
/**
 * @internal
 */
export const italicFormatHandler: FormatHandler<ItalicFormat> = {
    parse: (format, element, context, defaultStyle) => {
        const fontStyle = element.style.fontStyle || defaultStyle.fontStyle;
 
        if (fontStyle == 'italic' || fontStyle == 'oblique') {
            format.italic = true;
        } else if (fontStyle == 'initial' || fontStyle == 'normal') {
            format.italic = false;
        }
    },
    apply: (format, element, context) => {
        if (typeof format.italic === 'undefined') {
            return;
        }
 
        const implicitItalic = context.implicitFormat.italic;
 
        if (!!implicitItalic != !!format.italic) {
            Eif (format.italic) {
                wrapAllChildNodes(element, 'i');
            } else {
                element.style.fontStyle = 'normal';
            }
        }
    },
};