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v9.5.0 2023 November 25

v9.4.0 2023 November 21

v9.3.0 2023 November 15

v9.2.0 2023 November 13

v9.1.0 2023 November 13

v9.0.0 2023 November 13

  • Updated dependencies, base files, and editions using boundation
  • Minimum required Node.js version changed from node: >=8 to node: >=4 adapting to ecosystem changes

v8.0.0 2023 November 13

  • Updated dependencies, base files, and editions using boundation
  • Minimum required Node.js version changed from node: >=10 to node: >=8 adapting to ecosystem changes

v7.20.0 2023 November 2

v7.19.0 2021 July 31

v7.18.0 2021 July 28

v7.17.0 2020 October 29

v7.16.0 2020 September 5

v7.15.0 2020 August 18

v7.14.0 2020 August 4

v7.13.0 2020 July 23

v7.12.0 2020 June 25

v7.11.0 2020 June 22

v7.10.0 2020 June 21

v7.9.0 2020 June 20

v7.8.0 2020 June 11

v7.7.0 2020 June 10

v7.6.0 2020 May 22

v7.5.0 2020 May 21

v7.4.0 2020 May 21

v7.3.0 2020 May 21

v7.2.0 2020 May 21

v7.1.0 2020 May 21

v7.0.0 2020 May 11

  • Updated dependencies, base files, and editions using boundation
  • Minimum required node version changed from node: >=8 to node: >=10 to keep up with mandatory ecosystem changes

v6.5.0 2019 December 10

v6.4.0 2019 December 1

v6.3.0 2019 December 1

v6.2.0 2019 November 18

v6.1.0 2019 November 13

v6.0.0 2019 November 11

  • Updated dependencies, base files, and editions using boundation
  • Minimum required node version changed from node: >=0.8 to node: >=8 to keep up with mandatory ecosystem changes

v5.5.0 2019 November 11

v5.4.0 2018 November 20

v5.3.0 2018 July 20

  • clearRemaining now returns the number of dropped items, clear continues to be chainable

v5.2.0 2018 July 20

  • state of taskgroup is now updated before user events are emitted, to accurately represent current state
    • this splits itemDoneCallback into itemDoneCallbackUpdateState and itemDoneCallbackNextState
  • nested events are now all bound at the same time
  • task.add, group.add, and item.add are now all emitted at the same time

v5.1.0 2018 July 13

  • Add support for unbounded
  • If a task completed, but had already completed earlier, we will now try to output the task's source for easier debugging

v5.0.2 2018 July 13

v5.0.1 2016 June 13

  • Added clear to clearRemaining alias for backwards compatibility between v4 and v5

v5.0.0 2016 June 4

  • Changes to be impressed by:

    • Dramatic performance improvements
      • Improved performance of 10,000 tasks from 13 seconds to 1 seconds
      • Improved memory footprint of 10,000 tasks from 130MB to 4MB (taken during completion event)
    • Code has moved from CoffeeScript to ESNext
    • Documentation is now powered by JSDoc
    • Module is published with Editions

  • Changes to be cautious about:

    • Packaging:
      • require('taskgroup') is no longer the TaskGroup class, you must again do require('taskgroup').TaskGroup
        • It was too difficult to handle this across multiple environments without polluting scopes
    • Task and TaskGroup:
      • Once done, the item is now destroyed by default via the destroyOnceDone configuration option
        • This means to add tasks to an already completed TaskGroup, you will need to set destroyOnceDone to false
        • This will be a silent problem, unless coupled with a pauseOnError, onError or onExit deprecation error
      • Running and completed tasks are no longer stored
        • Completed items are now destroyed by default via TaskGroup's destroyDoneItems configuration option
        • If you wish to store them, use the event listeners and disable destroyDoneItems
      • destroy() now operates instantly, including removing all event listeners
        • So if you did .done().destroy().done() the first done listener would be discarded
      • Removed exit() method and exit configuration option
        • They were complex, ambiguous, and undocumented
        • errorOnExcessCompletions and destroyOnceDone configuration options are now provided
      • Replaced onError and pauseOnError configuration options with abortOnError for better clarity
        • Having two or more configuration options for this ability was overly complex
      • Removed sync configuration option
      • Renamed includeInResults configuration option to storeResult with improved functionality
        • If destroyOnceDone is true, storeResult will default to false
      • done(), onceDone(), and whenDone() now only listen for upcoming completions, rather than past
        • Listening for past completions was too complex and could never guarantee consistent results
      • timeout configuration option has been removed
        • It is actually best and easily accomplished by your own task methods
      • Removed configuration options will throw deprecation errors to ease migration
    • TaskGroup:
      • results state property renamed to result
      • addGroup() method is now addTaskGroup(), alias provided
      • Split nestedConfig configuration option into nestedTaskConfig and nestedTaskGroupConfig

  • Changes to be aware of:

    • Task and TaskGroup:
      • started event has been split into pending and running events for more accurate semantics
      • Less used public APIs have now been marked as private or public depending on their use cases
      • getNames method has been replaced by just names getter, which has its own toString() method that makes use of the nameSeparator configuration option, alias provided
      • getConfig() method now config getter, alias provided
      • isCompleted() method nowcompleted` getter, alias provided
      • hasStarted() method now started getter, alias provided
    • TaskGroup:
      • getTotalItems() method now totalItems getter, alias provided
      • getItemTotals() method now `itemTotals getter, alias provided
    • Task:
      • If domain configuration option is true and domains are not available, an error will result
      • More accurate error reporting for completion event
        • It a state error occurred, but a argument error did not, it is possible this would not be reported to our done listener, this has been resolved
        • done listener's error argument will now always be the stored error
        • internal result storage now is stored without the error/first argument, as that is stored elsewhere

  • People to thank:

    • Peter Flannery for kickstarting the performance research and making it a priority

  • Issues closed:

v4.3.1 2015 December 10

  • Removed cyclic.js as the problem it solved was solved by npm v2 and above

v4.3.0 2015 March 15

  • Now exports the TaskGroup class, of which Task and TaskGroup are now children
  • Added Task attribute on the TaskGroup class to allow over-riding of what should be the sub-task class
  • Added TaskGroup attribute on the TaskGroup class to allow over-riding of what should be the sub-taskgroup class
  • Added the sync configuration option, which when set to true will allow the execution of a Task or TaskGroup to execute synchronously
  • Updated dependencies

v4.2.1 2015 February 20

  • Output more information about errors when a task completes twice

v4.2.0 2015 February 2

  • Reintroduced try...catch for Node v0.8 and browser environments with a workaround to prevent error suppression
  • You can now ignore all the warnings from the v4.1.0 changelog as the behaviour is more or less the same as v4.0.5 but with added improvements

v4.1.0 2015 February 2

  • This release fixes the errors in completion callbacks being swallowed/lost
  • The following changes have been made
    • We no longer use try...catch at all, if you want error catching in your task, you must not disable domains (they are enabled by default) - why?
    • We now force exit the domain when the task's method calls its completion callback
    • Domains now wrap only the firing of the task's method, rather than the preparation too as before
    • Removed superflous check to ensure a task has a method before execution
    • Ensured the actual check to ensure a task has a method before execution also checks if the method is actually a function (via checking for .bind) as the superflous check did
  • This could introduce the following issues in the following cases:
    • You may get errors that were suppressed before now showing themselves, this is good, but it may cause unexpected things to break loudly that were breaking silently before
    • If you have domains disabled and an error is thrown, you will get a different flow of logic than before as the error will be caught in your code, not TaskGroup's
    • The domain's flow has improved, but this may cause a different flow than you were expecting previously
  • This will introduce the following issues in the following cases:
    • If you are still on Node v0.8, synchronous errors and perhaps asynchronous errors thrown within your task method will no longer be caught by TaskGroup (due to Node 0.8's crippled domain functionality) and instead will need to be caught by your code either via preferably sent to the task method's completion callback rather than thrown, or via your own try...catch. But please upgrade to Node 0.10 or higher.
    • If you are running TaskGroup in a web browser, you will need to catch errors manually or utilise a domain shim (browserify has one by default) - why?
  • In other words, this release is the most stable yet, but do run your tests (you should always do this)

v4.0.5 2014 August 3

  • Changed an error output to be of error type

v4.0.4 2014 August 3

  • Added the ability to turn off using domains by setting the new task option domain to false (defaults to true)
  • Added the ability to turn off using ambi by setting the new task option ambi to false (defaults to true)

v4.0.3 2014 July 11

  • Use setImmediate instead of nextTick to avoid (node) warning: Recursive process.nextTick detected. This will break in the next version of node. Please use setImmediate for recursive deferral. errors
  • Updated dependencies

v4.0.2 2014 June 18

  • Added support for done, whenDone, onceDone, once, and on configuration options

v4.0.1 2014 June 16

  • Fixed Recursive process.nextTick detected error (regression since v4.0.0)

v4.0.0 2014 June 16

  • Significant rewrite with b/c breaks
    • Completion listeners should now be accomplished via .done(listener) (listens once) or .whenDone(listener) (listener persists)
      • These methods are promises in that they will execute the listener if the item is already complete
      • They listen for the done event
    • The execution of tasks and groups have had a great deal of investment to ensure execution is intuitive and consistent across different use cases
      • Refer to to src/lib/test/taskgroup-usage-test.coffee for the guaranteed expectations across different scenarios
    • In earlier versions you could use tasks.exit() during execution to clear remaning items, stop execution, and exit, you can no longer do this, instead use the completion callback with an error, or call tasks.clear() then the completion callback
    • Refer to the new public api docs for the latest usage
  • Changes
    • complete event is now completed, but you really should be using the new done event or the promise methods
    • run event is now started
    • A lot of internal variables and methods have had their functionality changed or removed, if a method or variable is not in the public api, do not use it
    • There is now a default error and completed listener that will emit the done event if there are listeners for it, if there is no done event listeners, and an error has occured, we will throw the error
    • Tasks and groups will now only receive a default name when required, this is to prevent set names from being over-written by the default
    • Adding of tasks and groups to a group instance will now return the group instance rather than the added tasks to ensure chainability, if you want the created tasks, use .createTask(...) and .createGroup(...) instead, then add the result manually
  • Introductions
    • passed, failed, destroyed events are new
    • Task only
      • new timeout option that accepts a number of milliseconds to wait before throwing an error
      • new onError option that defaults to 'exit' but can also accept 'ignore' which will ignore duplicated exit errors (useful when combined with timeout event)
    • TaskGroup only
      • new onError option that defaults to 'exit' but can also accept 'ignore' which will ignore all task errors
      • new setNestedConfig(config) and setNestedTaskConfig(config) options to set configuration for all children

v3.4.0 2014 May 8

  • Added context option for Task, to perform a late bind on the method
  • Asynchronous task methods can now accept optional arguments thanks to new ambi version
  • Updated dependencies

v3.3.9 2014 May 4

  • Added extendonclass support
  • Added Task.create and TaskGroup.create helpers
  • Will no longer fail if an invalid argument is passed as configuration
  • Updated dependencies

v3.3.8 2014 February 5

  • More descriptive error when a task is fired without a method to fire

v3.3.7 2014 January 30

  • Improvements around adding tasks to task groups and passing arguments to Task and TaskGroup constructors

v3.3.6 2013 November 29

v3.3.5 2013 November 28

  • Re-added Node.js v0.8 support (regression since v3.3.3)

v3.3.4 2013 November 27

  • Fixed the v3.3.3 fix

v3.3.3 2013 November 27

  • Fixed possible "(node) warning: Recursive process.nextTick detected. This will break in the next version of node. Please use setImmediate for recursive deferral." error under certain circumstances

v3.3.2 2013 November 19

  • Don't add or create empty tasks and groups

v3.3.1 2013 November 6

  • Fixed child event bubbling by using duck typing (regression since v3.3.0)
  • Better error handling on uncaught task exceptions
  • Tasks will now get a default name set to ease debugging

v3.3.0 2013 November 1

  • Bindings are now more explicit
  • Improved configuration parsing
  • Configuration is now accessed via getConfig()
  • Dropped component.io and bower support, just use ender or browserify

v3.2.4 2013 October 27

  • Re-packaged

v3.2.3 2013 September 18

  • Fixed cyclic dependency problem on windows (since v2.1.3)
  • Added bower support

v3.2.2 2013 September 18

  • Component.io compatibility

v3.2.1 2013 August 19

  • Republish with older version of joe dev dependency to try and stop cyclic errors
  • Better node 0.8 support when catching thrown errors

v3.2.0 2013 August 19

  • Wrapped Task execution in a domain to catch uncaught errors within the task execution, as well as added checks to ensure the completion callback does not fire multiple times
    • These will be reported via the error event that the Task will emit
      • If the Task is part of a TaskGroup, the TaskGroup will listen for this, kill the TaskGroup and emit an error event on the TaskGroup
  • Moved from EventEmitter2 to node's own EventEmitter to ensure domain compatibility

v3.1.2 2013 April 6

  • Added getTotals() to TaskGroup
  • Added complete() to Task

v3.1.1 2013 April 5

  • Fixed task run issue under certain circumstances
  • Added exit(err) function

v3.1.0 2013 April 5

  • Tasks can now have the arguments that are sent to them customized by the args configuration option
  • Group inline functions now support an optional completion callback
  • Group events for items now have their first argument as the item the event was for

v3.0.0 2013 April 5

  • Significant rewrite and b/c break

v2.0.0 2013 March 27