Remove dead code from nunjucks.js

src/media/js/lib/nunjucks.js

@@ -182,27 +182,6 @@ exports.groupBy = function(obj, val) {
     return result;
 };
 
-exports.toArray = function(obj) {
-    return Array.prototype.slice.call(obj);
-};
-
-exports.without = function(array) {
-    var result = [];
-    if (!array) {
-        return result;
-    }
-    var index = -1,
-    length = array.length,
-    contains = exports.toArray(arguments).slice(1);
-
-    while(++index < length) {
-        if(contains.indexOf(array[index]) === -1) {
-            result.push(array[index]);
-        }
-    }
-    return result;
-};
-
 exports.extend = function(obj, obj2) {
     for(var k in obj2) {
         obj[k] = obj2[k];
@@ -254,27 +233,6 @@ exports.map = function(obj, func) {
     return results;
 };
 
-exports.asyncParallel = function(funcs, done) {
-    var count = funcs.length,
-        result = new Array(count),
-        current = 0;
-
-    var makeNext = function(i) {
-        return function(res) {
-            result[i] = res;
-            current += 1;
-
-            if (current === count) {
-                done(result);
-            }
-        };
-    };
-
-    for (var i = 0; i < count; i++) {
-        funcs[i](makeNext(i));
-    }
-};
-
 exports.asyncIter = function(arr, iter, cb) {
     var i = -1;
 
@@ -312,44 +270,6 @@ exports.asyncFor = function(obj, iter, cb) {
     next();
 };
 
-if(!Array.prototype.indexOf) {
-    Array.prototype.indexOf = function(array, searchElement /*, fromIndex */) {
-        if (array === null) {
-            throw new TypeError();
-        }
-        var t = Object(array);
-        var len = t.length >>> 0;
-        if (len === 0) {
-            return -1;
-        }
-        var n = 0;
-        if (arguments.length > 2) {
-            n = Number(arguments[2]);
-            if (n != n) { // shortcut for verifying if it's NaN
-                n = 0;
-            } else if (n !== 0 && n !== Infinity && n !== -Infinity) {
-                n = (n > 0 || -1) * Math.floor(Math.abs(n));
-            }
-        }
-        if (n >= len) {
-            return -1;
-        }
-        var k = n >= 0 ? n : Math.max(len - Math.abs(n), 0);
-        for (; k < len; k++) {
-            if (k in t && t[k] === searchElement) {
-                return k;
-            }
-        }
-        return -1;
-    };
-}
-
-if(!Array.prototype.map) {
-    Array.prototype.map = function() {
-        throw new Error("map is unimplemented for this js engine");
-    };
-}
-
 exports.keys = function(obj) {
     if(Object.prototype.keys) {
         return obj.keys();
@@ -577,17 +497,6 @@ function memberLookup(obj, val) {
     return obj[val];
 }
 
-function callWrap(obj, name, args) {
-    if(!obj) {
-        throw new Error('Unable to call `' + name + '`, which is undefined or falsey');
-    }
-    else if(typeof obj !== 'function') {
-        throw new Error('Unable to call `' + name + '`, which is not a function');
-    }
-
-    return obj.apply(this, args);
-}
-
 function contextOrFrameLookup(context, frame, name) {
     var val = frame.lookup(name);
     return (val !== undefined && val !== null) ?
@@ -687,7 +596,6 @@ modules.runtime = {
     suppressValue: suppressValue,
     memberLookup: memberLookup,
     contextOrFrameLookup: contextOrFrameLookup,
-    callWrap: callWrap,
     handleError: handleError,
     isArray: lib.isArray,
     keys: lib.keys,
@@ -1390,11 +1298,7 @@ nunjucks.configure = function(templatesPath, opts) {
         opts = templatesPath;
         templatesPath = null;
     }
-
-    var noWatch = 'watch' in opts ? !opts.watch : false;
-    e = new env.Environment(null, opts);
-
-    return e;
+    return e = new env.Environment(null, opts);
 };
 
 nunjucks.render = function(name, ctx, cb) {