User:Ilmari Karonen/sigdash.js

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Documentation for this user script can be added at User:Ilmari Karonen/sigdash.

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// SIGDASH FIX: <pre><nowiki>

(function () {
    var oldAddButton = window.addButton;
    if (typeof(oldAddButton) == 'function') {
        window.addButton = function () {
            if (arguments.length > 3)
                arguments[2] = arguments[2].replace(/^--(~+)$/, '—$1');
            oldAddButton.apply(this, arguments);
        };
    }

    // The fix above doesn't work with the new fancier edit form.  Use this instead.
    // The setTimeout() trickery is needed due to issues with asynchronous script loading:
    // it seems to be the only way to ensure that the button has been created before this
    // code runs.  Otherwise this would be a two-liner. :-(
    var fixSigDashSleep = 50;
    var fixSigDash = function () {
        if ( typeof $j === 'undefined' ) return;
        var sigButton = $( 'span[rel=signature]' );
        if ( !sigButton.length ) return setTimeout( fixSigDash, fixSigDashSleep *= 2 );
        var opts = sigButton.data('action').options;
        for (key in opts) opts[key] = opts[key].replace(/^--(~+)$/, '—$1')
    };
    if ( mw.config.get('wgAction') == "edit" || mw.config.get('wgAction') == "submit" ) $( fixSigDash );
})();

// </nowiki></pre>