style setGlobalCssStyles.ts

100% Statements 8/8

87.5% Branches 7/8

100% Functions 1/1

100% Lines 8/8

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  /**
 * Add global css styles
 * @param doc The document object
 * @param cssRule The css rule that must added to the selection
 * @param styleId The id of the style tag
 */
 
export default function setGlobalCssStyles(doc: Document, cssRule: string, styleId: string) {
    if (cssRule) {
        let styleTag = doc.getElementById(styleId) as HTMLStyleElement;
        if (!styleTag) {
            styleTag = doc.createElement('style');
            styleTag.id = styleId;
            doc.head.appendChild(styleTag);
        }
        styleTag.sheet?.insertRule(cssRule);
    }
}