ReSharper-like addon for Flash IDE?
FlashDevelop looks good and you can set it to build using the Flash IDE .. (It simulates ALT + TAB and CTRL + ENTER!)
And as far as AS2 support is concerned, you can just the #include
AS file that you write in FlashDevelop into your main FLA .. so your code will be compiled and published.
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The open source MTASC ActionScript 2 compiler does not require Flash development tools. Jeremy Rudd mentioned FlashDevelop , a cool free IDE for SWF development. I used it extensively when I am still coded in AS2 and I would definitely recommend it. It supports compilation with Flash development tool or MTASC, which is nice. Latest versions support AS3 development using the free Flex SDK. This is for Windows only, so it might not be useful for all developers.
I don't think FlashDevelop does not have refactoring support yet. Since most developers focus on AS3, it is likely that advanced IDE features such as refactoring will probably not be implemented for AS2 in most editors.
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