2010-07-25 07:15:12 +00:00
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(function() {
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2010-10-20 02:04:38 +00:00
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var extend, flatten;
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2010-09-25 00:29:44 +00:00
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exports.starts = function(string, literal, start) {
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2010-09-25 00:18:47 +00:00
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return literal === string.substr(start, literal.length);
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};
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2010-09-25 00:29:44 +00:00
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exports.ends = function(string, literal, back) {
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2010-09-26 14:28:48 +00:00
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var len;
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len = literal.length;
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return literal === string.substr(string.length - len - (back || 0), len);
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2010-09-25 00:18:47 +00:00
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};
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2010-09-25 00:29:44 +00:00
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exports.compact = function(array) {
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2010-11-09 05:17:08 +00:00
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var item, _i, _len, _results;
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_results = [];
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2010-10-22 01:51:06 +00:00
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for (_i = 0, _len = array.length; _i < _len; _i++) {
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2010-10-01 22:26:37 +00:00
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item = array[_i];
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2010-08-11 04:40:15 +00:00
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if (item) {
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2010-11-09 05:17:08 +00:00
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_results.push(item);
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2010-08-14 15:42:19 +00:00
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}
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2010-03-10 02:24:30 +00:00
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}
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2010-11-09 05:17:08 +00:00
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return _results;
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2010-09-25 00:18:47 +00:00
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};
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2010-09-25 00:29:44 +00:00
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exports.count = function(string, letter) {
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2010-03-10 02:24:30 +00:00
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var num, pos;
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2010-10-20 17:29:06 +00:00
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num = pos = 0;
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2010-09-28 12:52:51 +00:00
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while (pos = 1 + string.indexOf(letter, pos)) {
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2010-09-25 00:18:47 +00:00
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num++;
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2010-03-10 02:24:30 +00:00
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}
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return num;
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2010-09-25 00:18:47 +00:00
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};
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2010-09-25 00:29:44 +00:00
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exports.merge = function(options, overrides) {
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2010-09-25 00:18:47 +00:00
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return extend(extend({}, options), overrides);
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};
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2010-10-20 17:29:06 +00:00
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extend = exports.extend = function(object, properties) {
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2010-10-19 15:07:10 +00:00
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var key, val;
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2010-10-01 22:26:37 +00:00
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for (key in properties) {
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val = properties[key];
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2010-09-26 14:28:48 +00:00
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object[key] = val;
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2010-03-10 02:24:30 +00:00
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}
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2010-09-25 00:18:47 +00:00
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return object;
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2010-10-20 17:29:06 +00:00
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};
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exports.flatten = flatten = function(array) {
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2010-11-02 03:58:03 +00:00
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var element, flattened, _i, _len;
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2010-09-28 18:28:05 +00:00
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flattened = [];
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2010-10-22 01:51:06 +00:00
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for (_i = 0, _len = array.length; _i < _len; _i++) {
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2010-10-01 22:26:37 +00:00
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element = array[_i];
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2010-09-29 00:12:37 +00:00
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if (element instanceof Array) {
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2010-09-28 18:28:05 +00:00
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flattened = flattened.concat(flatten(element));
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} else {
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flattened.push(element);
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}
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}
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return flattened;
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2010-10-20 17:29:06 +00:00
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};
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2010-09-25 00:29:44 +00:00
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exports.del = function(obj, key) {
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2010-03-10 02:24:30 +00:00
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var val;
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val = obj[key];
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delete obj[key];
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return val;
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2010-09-25 00:18:47 +00:00
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};
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2010-09-28 12:52:51 +00:00
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exports.last = function(array, back) {
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return array[array.length - (back || 0) - 1];
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};
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2010-09-21 07:53:58 +00:00
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}).call(this);
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