User:Liangent/Gadgets/Toolkit/summaryabbr.uncompressed.js

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require('jquery', function() {
    (function($) {
        if (!$.isArray(window.summaryAbbreviations)) {
            window.summaryAbbreviations = [];
        }
        $(function() {
            $('#wpSummary').change(function(event) { // or blur?
                $('#summaryabbr-cancel').remove();
                var text = $('#wpSummary').val();
                var oldtext = text;
                $.each(summaryAbbreviations, function() {
                    text = text.replace(this[0], this[1]);
                });
                if (text == oldtext) return; // not replaced
                $('#wpSummary').val(text).after(
                    '<span id="summaryabbr-cancel"> (<a href="#">Undo</a> replacing)</span>'
                );
                $('#summaryabbr-cancel a').click(function(event) {
                    event.preventDefault();
                    $('#summaryabbr-cancel').remove();
                    // setting text in code doesn't trigger change event
                    $('#wpSummary').val(oldtext);
                });
            });
        });
    })(jQuery);
});