Function insert

src/useEditable.ts:213–228

(append: string, deleteOffset?: number)

        }
      },
      insert(append: string, deleteOffset?: number) {
        const { current: element } = elementRef;
        if (element) {
          let range = getCurrentRange();
          range.deleteContents();
          range.collapse();
          const position = getPosition(element);
          const offset = deleteOffset || 0;
          const start = position.position + (offset < 0 ? offset : 0);
          const end = position.position + (offset > 0 ? offset : 0);
          range = makeRange(element, start, end);
          range.deleteContents();
          if (append) range.insertNode(document.createTextNode(append));
          setCurrentRange(makeRange(element, start + append.length));
        }
      },
      move(pos: number | { row: number; column: number }) {
        const { current: element } = elementRef;
        if (element) {