fix(gatsby): temporary workaround for stale jobs cache (#33586)

Author: vladar

packages/gatsby/src/redux/reducers/jobsv2.ts

@@ -78,6 +78,12 @@ export const jobsV2Reducer = (
  case `SET_JOB_V2_CONTEXT`: {
  const { requestId, job } = action.payload
 
+ // A workaround for a stale cache bug:
+ // in some edge case redux cache is not cleared (even after gatsby-config and package.json changes).
+ // TODO: figure out the root cause and remove this workaround (see also CLEAR_JOB_V2_CONTEXT)
+ if (!state.jobsByRequest) {
+ state.jobsByRequest = new Map()
+ }
  let jobs = state.jobsByRequest.get(requestId)
  if (!jobs) {
  jobs = new Set<string>()
@@ -90,6 +96,9 @@ export const jobsV2Reducer = (
 
  case `CLEAR_JOB_V2_CONTEXT`: {
  const { requestId } = action.payload
+ if (!state.jobsByRequest) {
+ state.jobsByRequest = new Map()
+ }
  state.jobsByRequest.delete(requestId)
  }
  }