utils domCreator.ts

92.86% Statements 13/14

100% Branches 6/6

85.71% Functions 6/7

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  import type {
    DOMCreator,
    LegacyTrustedHTMLHandler,
    TrustedHTMLHandler,
} from 'roosterjs-content-model-types';
 
/**
 * @internal
 */
export const createTrustedHTMLHandler = (domCreator: DOMCreator): LegacyTrustedHTMLHandler => {
    return (html: string) => domCreator.htmlToDOM(html).body.innerHTML;
};
 
/**
 * @internal
 */
export function createDOMCreator(trustedHTMLHandler?: TrustedHTMLHandler): DOMCreator {
    return trustedHTMLHandler && isDOMCreator(trustedHTMLHandler)
        ? trustedHTMLHandler
        : trustedHTMLHandlerToDOMCreator(trustedHTMLHandler as LegacyTrustedHTMLHandler);
}
 
/**
 * @internal
 */
export function isDOMCreator(
    trustedHTMLHandler: TrustedHTMLHandler
): trustedHTMLHandler is DOMCreator {
    return typeof (trustedHTMLHandler as DOMCreator).htmlToDOM === 'function';
}
 
/**
 * @internal
 */
export const defaultTrustHtmlHandler: LegacyTrustedHTMLHandler = (html: string) => {
    return html;
};
 
function trustedHTMLHandlerToDOMCreator(trustedHTMLHandler?: LegacyTrustedHTMLHandler): DOMCreator {
    const handler = trustedHTMLHandler || defaultTrustHtmlHandler;
    return {
        htmlToDOM: (html: string) => new DOMParser().parseFromString(handler(html), 'text/html'),
        isBypassed: !trustedHTMLHandler,
    };
}