export const APPEND_CHILD = 1;
export const REMOVE_CHILD = 2;
export const REMOVE_ATTRIBUTE = 3;
export const REPLACE_CHILD = 4
export const SET_ATTRIBUTE = 5;
export const TEXT_CONTENT = 6;

export const APPEND_CHILD = 1;
export const REMOVE_CHILD = 2;
export const REMOVE_ATTRIBUTE = 3;
export const REPLACE_CHILD = 4;
export const SET_ATTRIBUTE = 5;
export const TEXT_CONTENT = 6;

Fix eslint error.