Dependency injector.

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Functions

hasParameter()

Checks whether a function has a specified parameter:

hasParameter(name : string, fn : function) : boolean

getParameters()

Returns an array with the parameters:

getParameters(fn : function) : string[]

getParameterIndex()

Returns the parameter index:

getParameterIndex(name : string, fn : function) : number

inject()

Returns the argument array for a call:

inject(args : object, fn : function) : object[]

Example:

function fn(x, y, z) {}

args = inject({x: 1, y: 2}, fn);  //[1, 2, undefined]