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(function() {
this.Diff = (function() {
var UNFOLD_COUNT;
UNFOLD_COUNT = 20;
function Diff() {
$('.files .diff-file').singleFileDiff();
this.filesCommentButton = $('.files .diff-file').filesCommentButton();
$(document).off('click', '.js-unfold');
$(document).on('click', '.js-unfold', (function(_this) {
return function(event) {
var line_number, link, offset, old_line, params, prev_new_line, prev_old_line, ref, ref1, since, target, to, unfold, unfoldBottom;
target = $(event.target);
unfoldBottom = target.hasClass('js-unfold-bottom');
unfold = true;
ref = _this.lineNumbers(target.parent()), old_line = ref[0], line_number = ref[1];
offset = line_number - old_line;
if (unfoldBottom) {
line_number += 1;
since = line_number;
to = line_number + UNFOLD_COUNT;
} else {
ref1 = _this.lineNumbers(target.parent().prev()), prev_old_line = ref1[0], prev_new_line = ref1[1];
line_number -= 1;
to = line_number;
if (line_number - UNFOLD_COUNT > prev_new_line + 1) {
since = line_number - UNFOLD_COUNT;
} else {
since = prev_new_line + 1;
unfold = false;
}
}
link = target.parents('.diff-file').attr('data-blob-diff-path');
params = {
since: since,
to: to,
bottom: unfoldBottom,
offset: offset,
unfold: unfold,
indent: 1
};
return $.get(link, params, function(response) {
return target.parent().replaceWith(response);
});
};
})(this));
}
Diff.prototype.lineNumbers = function(line) {
var i, l, len, line_number, line_numbers, lines, results;
if (!line.children().length) {
return [0, 0];
}
lines = line.children().slice(0, 2);
line_numbers = (function() {
var i, len, results;
results = [];
for (i = 0, len = lines.length; i < len; i++) {
l = lines[i];
results.push($(l).attr('data-linenumber'));
}
return results;
})();
results = [];
for (i = 0, len = line_numbers.length; i < len; i++) {
line_number = line_numbers[i];
results.push(parseInt(line_number));
}
return results;
};
return Diff;
})();
}).call(this);
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