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31 lines
1.3 KiB
Plaintext
31 lines
1.3 KiB
Plaintext
created: 20140502142900000
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modified: 20140502142900000
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tags: Mechanisms
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title: StartupMechanism
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type: text/vnd.tiddlywiki
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The startup mechanism runs the installed startup modules at the end of the [[boot process|BootMechanism]].
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! Startup Modules
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Modules with their ''module-type'' field set to `startup`:
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* Must export a `startup` function
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** For synchronous startup modules the startup function is called as `startup()`, asynchronous modules are passed a callback they must invoke on completion: `startup(callback)`
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* May export a `name` property that is used to identify the task
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* May export a `after` property containing an array of names of dependent tasks that must be run before this one
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* May export a `before` property containing an array of names of tasks that must be run after this one
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* May export a `platforms` property containing an array of names of platforms that are required in order for the startup module to be executed. The defined platforms are ''node'' and ''browser''. If the `platforms` property is not provided it defaults to `["node","browser"]`
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! Startup Processing
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Startup modules are executed in sequence according to their declared dependencies.
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There is no guarantee of the execution order of tasks that share the same dependencies.
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! Startup Modules
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The core defines the following startup modules:
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{{Startup Modules.svg}}
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