79 lines
2.1 KiB
JavaScript
79 lines
2.1 KiB
JavaScript
(function() {
|
|
var extend, flatten, indexOf;
|
|
indexOf = (exports.indexOf = Array.indexOf || (Array.prototype.indexOf ? function(array, item, from) {
|
|
return array.indexOf(item, from);
|
|
} : function(array, item, from) {
|
|
var _len, index, other;
|
|
for (index = 0, _len = array.length; index < _len; index++) {
|
|
other = array[index];
|
|
if (other === item && (!from || (from <= index))) {
|
|
return index;
|
|
}
|
|
}
|
|
return -1;
|
|
}));
|
|
exports.include = function(list, value) {
|
|
return indexOf(list, value) >= 0;
|
|
};
|
|
exports.starts = function(string, literal, start) {
|
|
return literal === string.substr(start, literal.length);
|
|
};
|
|
exports.ends = function(string, literal, back) {
|
|
var len;
|
|
len = literal.length;
|
|
return literal === string.substr(string.length - len - (back || 0), len);
|
|
};
|
|
exports.compact = function(array) {
|
|
var _i, _len, _result, item;
|
|
_result = [];
|
|
for (_i = 0, _len = array.length; _i < _len; _i++) {
|
|
item = array[_i];
|
|
if (item) {
|
|
_result.push(item);
|
|
}
|
|
}
|
|
return _result;
|
|
};
|
|
exports.count = function(string, letter) {
|
|
var num, pos;
|
|
num = (pos = 0);
|
|
while (pos = 1 + string.indexOf(letter, pos)) {
|
|
num++;
|
|
}
|
|
return num;
|
|
};
|
|
exports.merge = function(options, overrides) {
|
|
return extend(extend({}, options), overrides);
|
|
};
|
|
extend = (exports.extend = function(object, properties) {
|
|
var key, val;
|
|
for (key in properties) {
|
|
val = properties[key];
|
|
object[key] = val;
|
|
}
|
|
return object;
|
|
});
|
|
exports.flatten = (flatten = function(array) {
|
|
var _i, _len, element, flattened;
|
|
flattened = [];
|
|
for (_i = 0, _len = array.length; _i < _len; _i++) {
|
|
element = array[_i];
|
|
if (element instanceof Array) {
|
|
flattened = flattened.concat(flatten(element));
|
|
} else {
|
|
flattened.push(element);
|
|
}
|
|
}
|
|
return flattened;
|
|
});
|
|
exports.del = function(obj, key) {
|
|
var val;
|
|
val = obj[key];
|
|
delete obj[key];
|
|
return val;
|
|
};
|
|
exports.last = function(array, back) {
|
|
return array[array.length - (back || 0) - 1];
|
|
};
|
|
}).call(this);
|