All files / roosterjs-content-model-dom/lib/formatHandlers/block whiteSpaceFormatHandler.ts

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import { shouldSetValue } from '../utils/shouldSetValue';
import type { FormatHandler } from '../FormatHandler';
import type { WhiteSpaceFormat } from 'roosterjs-content-model-types';
 
/**
 * @internal
 */
export const whiteSpaceFormatHandler: FormatHandler<WhiteSpaceFormat> = {
    parse: (format, element, _, defaultStyle) => {
        const whiteSpace = element.style.whiteSpace || defaultStyle.whiteSpace;
 
        if (shouldSetValue(whiteSpace, 'normal', format.whiteSpace, defaultStyle.whiteSpace)) {
            format.whiteSpace = whiteSpace;
        }
    },
    apply: (format, element, context) => {
        const whiteSpace = context.implicitFormat.whiteSpace;
        if (format.whiteSpace != whiteSpace) {
            element.style.whiteSpace = format.whiteSpace || 'normal';
        }
    },
};