Function getElemAsStr

frontend/util/focusutil.ts:17–41

(elem: EventTarget)

}

export function getElemAsStr(elem: EventTarget) {
    if (elem == null) {
        return "null";
    }
    if (!(elem instanceof HTMLElement)) {
        if (elem instanceof Text) {
            elem = elem.parentElement;
        }
        if (!(elem instanceof HTMLElement)) {
            return "unknown";
        }
    }
    const blockId = findBlockId(elem);
    let rtn = elem.tagName.toLowerCase();
    if (!util.isBlank(elem.id)) {
        rtn += "#" + elem.id;
    }
    if (!util.isBlank(elem.className)) {
        rtn += "." + elem.className;
    }
    if (blockId != null) {
        rtn += ` [${blockId.substring(0, 8)}]`;
    }
    return rtn;
}

export function hasSelection() {
    const sel = document.getSelection();