Function innerMode

external/.scrollLibs.js:2281–2292

(mode, state)

  // Given a mode and a state (for that mode), find the inner mode and
  // state at the position that the state refers to.
  function innerMode(mode, state) {
    var info
    while (mode.innerMode) {
      info = mode.innerMode(state)
      if (!info || info.mode == mode) {
        break
      }
      state = info.state
      mode = info.mode
    }
    return info || { mode: mode, state: state }
  }

  function startState(mode, a1, a2) {
    return mode.startState ? mode.startState(a1, a2) : true