Function copyState

lib/web/CodeMirror/src/modes.js:69–79

(mode, state)

}

export function copyState(mode, state) {
  if (state === true) return state
  if (mode.copyState) return mode.copyState(state)
  let nstate = {}
  for (let n in state) {
    let val = state[n]
    if (val instanceof Array) val = val.concat([])
    nstate[n] = val
  }
  return nstate
}

// Given a mode and a state (for that mode), find the inner mode and
// state at the position that the state refers to.