All files / roosterjs-content-model-dom/lib/domUtils getSafeIdSelector.ts

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const StartsWithUnsupportedCharacter = /^[.|\-|_|\d]/;
 
/**
 * Returns a safe Id to use in Native APIs.
 * IDs that start with number or hyphen can throw errors if used.
 * @see https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/id
 * @param id
 * @returns
 */
export function getSafeIdSelector(id: string) {
    if (!id) {
        return id;
    }
 
    if (id.match(StartsWithUnsupportedCharacter)) {
        return `[id="${id}"]`;
    } else {
        return `#${id}`;
    }
}