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refactor(ngcc): support running callback before writing transformed files (#36626)

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This commit enhances the `CompileFn`, which is used to process each
entry-point, to support running a passed-in callback (and wait for it to
complete) before proceeding with writing the transformed files to disk.

This functionality is currently not used. In a subsequent commit, it
will be used for passing info from worker processes to the master
process that will allow ngcc to recover when a worker process crashes in
the middle of processing a task.

PR Close #36626
This commit is contained in:
George Kalpakas
2020-04-29 21:28:11 +03:00
committed by Andrew Kushnir
parent 16039d837e
commit e367593a26
6 changed files with 28 additions and 14 deletions
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4
packages/compiler-cli/ngcc/test/execution/cluster/worker_spec.ts
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@ -57,12 +57,12 @@ describe('startWorker()', () => {
it('should create the `compileFn()`', () => {
startWorker(mockLogger, createCompileFnSpy);
expect(createCompileFnSpy).toHaveBeenCalledWith(jasmine.any(Function));
expect(createCompileFnSpy).toHaveBeenCalledWith(jasmine.any(Function), jasmine.any(Function));
});
it('should set up `compileFn()` to send `task-completed` messages to master', () => {
startWorker(mockLogger, createCompileFnSpy);
const onTaskCompleted: TaskCompletedCallback = createCompileFnSpy.calls.argsFor(0)[0];
const onTaskCompleted: TaskCompletedCallback = createCompileFnSpy.calls.argsFor(0)[1];
onTaskCompleted(null as any, TaskProcessingOutcome.Processed, null);
expect(processSendSpy).toHaveBeenCalledTimes(1);