use path.extname instead of regex comparisons

[msimerson]

In configfile, we have an if/else chain that inspects a filename to determine its type. Instead, we should likely use path.extname.

[ghost]

Are we talking about this if block? https://github.com/haraka/haraka-config/blob/e82a40252b40fd2e70e08514f51d313560cb5a6b/configfile.js#L339-L353

[msimerson]

Bah I wrote the wrong filename. It's here in config.js

[msimerson]

The general ideas being, make that one less place to require code maintenance when we add support for some future file type.

[ghost]

Oh, ok I will fix it.

[ghost]

If this is the purpose should I do something about this line too? https://github.com/haraka/haraka-config/blob/e82a40252b40fd2e70e08514f51d313560cb5a6b/config.js#L120

[msimerson]

Hrmm, a string found there would be the user explicitly specifying the file content type. As you can see, some of the types (value, list, data) don't map to filename extensions. I don't know what you can do there that would improve it.

[ghost]

Ok from this: https://github.com/haraka/haraka-config/blob/e82a40252b40fd2e70e08514f51d313560cb5a6b/config.js#L131-L137 I boiled it down to this:

if (!fs_type) {
    var fs_ext = path.extname(fs_name);

    switch (fs_ext) {
        case ".hjson":
        case ".json":
        case ".yaml":
        case ".ini":
            fs_type = fs_ext.substring(1);
            break;

        default:
            fs_type = 'value';
            break;
    }
}

Opinion?

[msimerson]

Almost perfect. You'll fail lint tests because of the var. Use const instead. The other thing I'd do differently (not required) is consistently use single quotes. They're easier to read and I'm in the habit of always using ' unless I "want" interpolation.

[baudehlo]

Perl habits die hard, eh?

On Fri, Sep 29, 2017 at 3:39 PM, Matt Simerson notifications@github.com wrote:

Almost perfect. You'll fail lint tests because of the var. Use const instead. The other thing I'd do differently (not required) is consistently use single quotes. They're easier to read and I'm in the habit of always using ' unless I "want" interpolation.

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[ghost]

Ok, got it. I tend to use double quotes because they mean string where single quote usually means single character. But I will abide.

[msimerson]

Perl habits die hard, eh?

LOL. Actually, sh/bash/POSIX, which predate my perl habits and which I still use very frequently.

[msimerson]

where single quote usually means single character

Interesting, in what context?

[ghost]

Mainly C# and like. I am not sure but I think C and C++ also do this.

Edit: I was correct, https://stackoverflow.com/a/3683613/1829884.

[msimerson]

Darn you! I've tried so hard to forget the C I nearly learned so long ago, and now you're running my nose in it. ;-)

[ghost]

I did one small change please take a look before I issue a PR. https://github.com/PSSGCSim/haraka-config/commit/bdaaa02a7e6db410151922d054251bd4c1304fa7 It is regarding where the substring (line 132) occurs.

[msimerson]

Even better, getting rid of the redundant leading dots. 👍