flow like the river

VISUALIZACION/node_modules/autoprefixer/lib/utils.js

@@ -0,0 +1,57 @@
+(function() {
+  var list;
+
+  list = require('postcss/lib/list');
+
+  module.exports = {
+    error: function(text) {
+      var err;
+      err = new Error(text);
+      err.autoprefixer = true;
+      throw err;
+    },
+    uniq: function(array) {
+      var filtered, i, j, len;
+      filtered = [];
+      for (j = 0, len = array.length; j < len; j++) {
+        i = array[j];
+        if (filtered.indexOf(i) === -1) {
+          filtered.push(i);
+        }
+      }
+      return filtered;
+    },
+    removeNote: function(string) {
+      if (string.indexOf(' ') === -1) {
+        return string;
+      } else {
+        return string.split(' ')[0];
+      }
+    },
+    escapeRegexp: function(string) {
+      return string.replace(/[.?*+\^\$\[\]\\(){}|\-]/g, '\\$&');
+    },
+    regexp: function(word, escape) {
+      if (escape == null) {
+        escape = true;
+      }
+      if (escape) {
+        word = this.escapeRegexp(word);
+      }
+      return RegExp("(^|[\\s,(])(" + word + "($|[\\s(,]))", "gi");
+    },
+    editList: function(value, callback) {
+      var changed, join, origin;
+      origin = list.comma(value);
+      changed = callback(origin, []);
+      if (origin === changed) {
+        return value;
+      } else {
+        join = value.match(/,\s*/);
+        join = join ? join[0] : ', ';
+        return changed.join(join);
+      }
+    }
+  };
+
+}).call(this);