function accessResult()

in src/devtools/cache.js [99:134]

• 36 lines of code
• 4 McCabe index (conditional complexity)

function accessResult<Input, Key, Value>(
  resource: any,
  fetch: Input => Thenable<Value>,
  input: Input,
  key: Key
): Result<Value> {
  const entriesForResource = getEntriesForResource(resource);
  const entry = entriesForResource.get(key);
  if (entry === undefined) {
    const thenable = fetch(input);
    thenable.then(
      value => {
        if (newResult.status === Pending) {
          const resolvedResult: ResolvedResult<Value> = (newResult: any);
          resolvedResult.status = Resolved;
          resolvedResult.value = value;
        }
      },
      error => {
        if (newResult.status === Pending) {
          const rejectedResult: RejectedResult = (newResult: any);
          rejectedResult.status = Rejected;
          rejectedResult.value = error;
        }
      }
    );
    const newResult: PendingResult = {
      status: Pending,
      value: thenable,
    };
    entriesForResource.set(key, newResult);
    return newResult;
  } else {
    return entry;
  }
}