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

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