getWrappedAndBoundSelectors()

in src/core/system.js [188:216]

• 28 lines of code
• 6 McCabe index (conditional complexity)

  getWrappedAndBoundSelectors(getState, getSystem) {
    let selectorGroups = this.getBoundSelectors(getState, getSystem)
      return objMap(selectorGroups, (selectors, selectorGroupName) => {
        let stateName = [selectorGroupName.slice(0, -9)] // selectors = 9 chars
        let wrappers = this.system.statePlugins[stateName].wrapSelectors
          if(wrappers) {
            return objMap(selectors, (selector, selectorName) => {
              let wrap = wrappers[selectorName]
              if(!wrap) {
                return selector
              }

              if(!Array.isArray(wrap)) {
                wrap = [wrap]
              }
              return wrap.reduce((acc, fn) => {
                let wrappedSelector = (...args) => {
                  return fn(acc, this.getSystem())(getState().getIn(stateName), ...args)
                }
                if(!isFn(wrappedSelector)) {
                  throw new TypeError("wrapSelector needs to return a function that returns a new function (ie the wrapped action)")
                }
                return wrappedSelector
              }, selector || Function.prototype)
            })
          }
        return selectors
      })
  }