Can Self-Invoking Functions, Resharper 6.1, and JS Lint all Play Nice Together?

Consider this piece of JavaScript code:

MyCompany.MyProduct = {};

(function () {

    "use strict";

    MyCompany.MyProduct.doSomethingAmazing = function () {
    };
}());

This approach is acceptable and passes Mr Crockford's JavaScript lint. However, Resharper (6.1 in Visual Studio 2010) flagged an issue on the last line:

Unexpected Expression

The bracket placement at the end is controversial, with some preferring `})();` over `}());`. Despite attempts to find a compromise that pleases both Resharper and JS Lint, no satisfactory solution has been found.

An alternative attempt was made:

MyCompany.MyProduct = {};

!function () {

    "use strict";

    MyCompany.MyProduct.doSomethingAmazing = function () {
    };
}();

Although this structure satisfied Resharper, it invoked warnings from JS Lint:

Wrap an immediate function invocation in parentheses to assist the reader in understanding...

Given the nuances of JavaScript syntax, I am exploring if there exists a format that satisfies both Resharper's and JS Lint's criteria. Is there a syntax that can make both tools happy?

Answer №1

Trying to satisfy two opposing forces simultaneously is a futile endeavor. However, there are ways around this dilemma...

If you find JSLint too restrictive, consider following the advice to move the invocation into the parentheses containing the function. Alternatively, explore tools like JSHint or ESLint, which offer similar but more adaptable guidelines. For instance, with ESLint, you have the option of setting wrap-iife to "inside" or "outside." See an example here.

Alternatively, you might consider modifying the rules enforced by Resharper. I'm not certain about the specific customization options available in Resharper as I haven't used it myself, but it could be beneficial to investigate further.

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