On 7/17/16, 11:48 AM, "Harbs" <harbs.li...@gmail.com> wrote:
>The following code (from Base64):
> private static const _encodeChars:Vector.<int> =
> InitEncoreChar();
> private static function InitEncoreChar():Vector.<int>
> {
> }
>
>Trying to run this code in javascript will result in an error that
>com.sociodox.utils.Base64.InitEncoreChar is not defined. Of course this
>makes sense based on how the javascript is compiled. (There’s no
>difference between a private static and a public static other than the
>comments.)
>
>It’s simple enough to fix this by placing functions before variable
>assignments.
>
>However, the same code works in Flash no matter which order it’s
>declared. That’s probably because the code is analyzed before it’s
>actually run.
I think it is because functions/methods are created in the class traits,
which run before the class initializer.
>
>The thing is, that Javascript has the same functionality:
>
>/**
> * @constructor
> */
>com.sociodox.utils.Base64 = function() {
> com.sociodox.utils.Base64._encodeChars = InitEncoreChar();
> function InitEncoreChar(){
> var /** @type {Array} */ encodeChars = new Array(64, true);
> var /** @type {string} */ chars =
>"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
> for (var /** @type {number} */ i = 0; i < 64; i++) {
> encodeChars[i] = chars.charCodeAt(i);
> }
> return encodeChars;
>
> }
>};
>
>This will work no matter which order you declare the variable and the
>function because function declarations are evaluated before code is
>executed.
>
>I don’t know a way to make this work in JS for public static functions,
>but for private static functions, this is likely a better pattern. It
>also makes the functions truly private…
>
>Of course, I have no idea how much work it would be to make FalconJX be
>able to do this…
I'm not sure it is worth generating this fancier output, but folks are
welcome to create an emitter that does.
>
>Thoughts?
We should fix this someday (probably by creating a class initializer
function), but since the workaround is simple enough, I'd say file a bug
but defer it to a future release.
-Alex
