cjs-task
v2.3.0
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Control Flow Like a Pro
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CJS-TASK
Control Flow Like a Pro
Procedural. Callbacks. Promises. Generators.
No longer matters which one any library uses.
- Create a Step to use the library.
- Use Library.
- Set data to the Task Instance.
- Go to next step.
It's that simple.
Installation
npm install --save cjs-task
Create a Task Instance
var task = require('cjs-task')( callback );
- returns an object
- callback must be a function
Task Instance API
task.step( name, process )
Adds a function to be executed before triggering the task callback.
- Is a Function
- Parameters
- name
- is a string
- is required
- is a unique identifier for this step
- process
- is a function
- is required
- must call task.next() to proceed to the next step
- name
- Notes
- instance will not progress to the next step until
task.next()
is called within step callback - steps are executed the order they are created
- instance will not progress to the next step until
task.next()
Signals the completion of a task.step
process and triggers the next step, if any.
- Is a Function
- Notes
- used to control the flow of a task
- ideally should be used in a
task.step
procedure
task.start()
Begins the process of executing task steps.
- Is a Function
- Notes
- use AFTER setting up all task steps
task.end()
Passes its arguments to task callback and executes it.
- Is a Function
- Notes
task.end
will drop all steps and stored data after task callback is executed
task.callback( callback )
Overwrite previous task callback.
- Is a Function
- Parameters
- callback
- is a function
- is required
- callback
task.set( key, value )
Put anything into task instance's key-value store.
- Is a Function
- Parameters
- key
- is a string
- is required
- value
- any type accepted
- key
- Notes
- Automatically emptied
task.end
will drop all steps and stored data after task callback is executed
- Automatically emptied
task.get( key )
Retrieve data from task instance's key-value store.
- Is a Function
- Parameters
- key
- is a string
- is required
- key
task.unset( key )
Remove data from task instance's key-value store.
- Is a Function
- Parameters
- key
- is a string
- is required
- key
task.log( entry )
Stores first argument to an array. Retrieves array is no argument is given.
- Is a Function
- Parameters
- entry
- all datatypes are valid
- entry
LICENSE
The MIT License (MIT)
Copyright (c) 2015 Uzo Olisemeka [email protected]
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.