preloaded-state.js

// Plugin to make preloaded state work with kea 1.0
// (pseudocode, not tested, use )
{
  name: 'preloadedState',

  buildSteps: {
    defaults (logic, input) {
      const node = getContext().options.preloadedState
      if (node) {
        // find preLoadedState.[path[0]].[path[1]].etc
        for (const pathStep of logic.path) {
          if (node[pathStep]) {
            node = node[pathStep]
          } else {
            return
          }
        }
        // set as defaults
        if (typeof node !== 'undefined') {
          Object.assign(logic.defaults, node)
        }
      }
    }
  }
}