slightly more coherent organization of concerns

bin/node_modules/coffee-script/lib/helpers.js

@@ -0,0 +1,66 @@
+(function() {
+  var extend, flatten;
+  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 item, _i, _len, _results;
+    _results = [];
+    for (_i = 0, _len = array.length; _i < _len; _i++) {
+      item = array[_i];
+      if (item) {
+        _results.push(item);
+      }
+    }
+    return _results;
+  };
+  exports.count = function(string, substr) {
+    var num, pos;
+    num = pos = 0;
+    if (!substr.length) {
+      return 1 / 0;
+    }
+    while (pos = 1 + string.indexOf(substr, 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 element, flattened, _i, _len;
+    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);