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I completely agree, that's why I'm saying that it shouldn't be in the codebase. It should be handled by external tools that are performing the concatenation.

Of course that begs the question if this is necessary at all since I personally haven't seen it used but I haven't read the source of many JavaScript projects either.

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I'm of the opinion that the behavior of code shouldn't be changing depending on what tool you pass it through. If down the road your homebrew concatenation script gets replaced by, say, a minification tool that does concats, but no ASI defensive code, then your code might break.

Besides, you don't necessarily want all files to be automatedly wrapped in a function. jQuery for example would break.

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