feat: expose task interface

CHANGELOG.md

@@ -2,8 +2,6 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
-### [4.5.2](https://github.com/piscinajs/piscina/compare/v4.5.1...v4.5.2) (2024-05-22)
-
 ### [4.5.1](https://github.com/piscinajs/piscina/compare/v4.5.0...v4.5.1) (2024-05-22)
 
 

src/errors.ts

@@ -0,0 +1,9 @@
+export const Errors = {
+  ThreadTermination: () => new Error('Terminating worker thread'),
+  FilenameNotProvided: () =>
+    new Error('filename must be provided to run() or in options object'),
+  TaskQueueAtLimit: () => new Error('Task queue is at limit'),
+  NoTaskQueueAvailable: () =>
+    new Error('No task queue available and all Workers are busy'),
+  CloseTimeout: () => new Error('Close operation timed out')
+};