src/Router.js
function transitionTo(pathQueryOrName) {
    const name = leafStates[pathQueryOrName]
    const params = (name ? arguments[1] : null) || {}
    const acc = name ? arguments[2] : arguments[1]

    logger.log('Changing state to {0}', pathQueryOrName || '""')

    urlChanged = false

    if (name)
      setStateByName(name, params, acc)
    else
      setStateForPathQuery(pathQueryOrName, acc)
  }
function transitionTo(pathQueryOrName) {
    const name = leafStates[pathQueryOrName]
    const params = (name ? arguments[1] : null) || {}
    const acc = name ? arguments[2] : arguments[1]

    logger.log('Changing state to {0}', pathQueryOrName || '""')

    urlChanged = false

    if (name)
      setStateByName(name, params, acc)
    else
      setStateForPathQuery(pathQueryOrName, acc)
  }
/*
Request a programmatic state change.

Two notations are supported:
transitionTo('my.target.state', {id: 33, filter: 'desc'})
transitionTo('target/33?filter=desc')