I'm trying to allow '@' functions in my application, what should I add or insert to allow JS to interpret it, just like "angular2 @Component".
How to allow '@' keyword in Javascript
197 views Asked by Jasdev Sidhu At
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Michael Troger
On
According to a variable name validator for JavaScript, @ is a:
invalid identifier according to ECMAScript 6 / Unicode 8.0.0
And so it is invalid for function names as well. See also: What characters are valid for JavaScript variable names? In Angular you actually use TypeScript and they make use of @ as a decorator of a function, but it's not used in a function name.
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The
@
is used as a decorator in a new proposed feature for JavaScript. To use it you need to use a preprocessor like Babel. It is also available in typescript and widely used in Angular2. Example:Decorators will not work by default on Babel, you can find information on enabling them here.
Edit: Whether you consider
@myDecorator('myValue')
as@
being part of the function name or not, I think we can all acknowledge that it would look this way to those new to the language.Related Links:
https://medium.com/google-developers/exploring-es7-decorators-76ecb65fb841 https://cabbageapps.com/fell-love-js-decorators/