export function reducer()

in initializer-page/src/components/reducer/Initializr.js [32:112]
76 lines of code
12 McCabe index (conditional complexity)

export function reducer(state, action) {
  switch (action.type) {
    case 'COMPLETE': {
      const json = get(action, 'payload')
      const defaultValues = {
        ...get(json, 'defaultValues'),
        meta: get(json, 'defaultValues.meta'),
      }
      return {
        values: defaultValues,
        share: getShareUrl(defaultValues),
        errors: {},
        warnings: {},
      }
    }
    case 'UPDATE': {
      const changes = get(action, 'payload')
      let errors = { ...state.errors }
      let meta = { ...get(state, 'values.meta') }
      if (get(changes, 'meta')) {
        meta = { ...meta, ...get(changes, 'meta') }
      }
      if (get(changes, 'boot')) {
        const { boot, ...err } = errors
        errors = err
      }
      if (get(changes, 'meta.group')) {
        set(
          meta,
          'packageName',
          `${get(meta, 'group')}.${get(meta, 'artifact')}`
        )
      }
      if (get(changes, 'meta.artifact')) {
        set(
          meta,
          'packageName',
          `${get(meta, 'group')}.${get(meta, 'artifact')}`
        )
        set(meta, 'name', `${get(meta, 'artifact')}`)
      }
      const values = {
        ...get(state, 'values'),
        ...changes,
        meta,
      }
      return { ...state, values, share: getShareUrl(values), errors }
    }
    case 'LOAD': {
      const params = get(action, 'payload.params')
      const lists = get(action, 'payload.lists')
      const { values, errors, warnings } = parseParams(
        state.values,
        params,
        lists
      )
      return { ...state, values, errors, warnings, share: getShareUrl(values) }
    }
    case 'ADD_DEPENDENCY': {
      const dependency = get(action, 'payload.id')
      const values = { ...get(state, 'values') }
      if(get(values, 'dependencies', []).filter(item => item === dependency).length == 0){
        values.dependencies = [...get(values, 'dependencies'), dependency]
      }
      return { ...state, values, share: getShareUrl(values) }
    }
    case 'REMOVE_DEPENDENCY': {
      const dependency = get(action, 'payload.id')
      const values = { ...get(state, 'values') }
      values.dependencies = [
        ...get(values, 'dependencies').filter(dep => dep !== dependency),
      ]
      return { ...state, values, share: getShareUrl(values) }
    }
    case 'CLEAR_WARNINGS': {
      return { ...state, warnings: {} }
    }
    default:
      return state
  }
}