Ephraim,
was that code generated by CoffeeScript per chance? CoffeeScript
automatically returns the result of a functions last expression (implicit
returns). As far as I can tell angular will ignore the pre/post link
functions return value; either cs is generating the code or someone is
returning a value for.. fun? So no, it is not necessary to return a value
from linking functions / the value is not used for anything. Hope that
helps.
On Tuesday, June 10, 2014 3:28:53 AM UTC-7, Ephraim Moss wrote:
>
> I have noticed in some directives return statements are added in the link
> function on a directive. in the example below it is a call to $watch but I
> have seen other things like scopes etc. Or in a controller where the last
> call to set a scope variable is returned. Is this necessary? what is this
> used for?
>
> angular.module('angular-flot', []).directive('flot', function() {
> return {
> restrict: 'EA',
> template: '<div></div>',
> scope: {
> dataset: '=',
> options: '='
> },
> link: function(scope, element, attributes) {
> ...
> ...
> ...
> * return scope.$watch('options', onOptionsChanged, true);*
> }
> };
> });
>
>
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