Function callGetSnapshotBeforeUpdate

packages/nerv/src/lifecycle.ts:341–350

(props, state, inst)

}

function callGetSnapshotBeforeUpdate (props, state, inst) {
  const { getSnapshotBeforeUpdate } = inst
  let snapshot
  errorCatcher(() => {
    if (isFunction(getSnapshotBeforeUpdate)) {
      snapshot = getSnapshotBeforeUpdate.call(inst, props, state)
    }
  }, inst)
  return snapshot
}

function hasNewLifecycle (component) {
  if (isFunction(component.constructor.getDerivedStateFromProps)) {