LinkedIn dustjs prototype pollution

@@ -1,6 +1,6 @@
 /*! dustjs-linkedin - v2.7.2
 * http://dustjs.com/
-* Copyright (c) 2015 Aleksander Williams; Released under the MIT License */
+* Copyright (c) 2021 Aleksander Williams; Released under the MIT License */
 (function (root, factory) {
   if (typeof define === 'function' && define.amd && define.amd.dust === true) {
     define('dust.core', [], factory);
@@ -70,6 +70,9 @@
       type = type || INFO;
       if (loggingLevels[type] >= loggingLevels[dust.debugLevel]) {
         log('[DUST:' + type + ']', message);
+        if (type === ERROR && dust.debugLevel === DEBUG && message instanceof Error && message.stack) {
+          log('[DUST:' + type + ']', message.stack);
+        }
       }
     };
 
@@ -248,16 +251,25 @@
   };
 
   /**
-   * Decide somewhat-naively if something is a Thenable.
+   * Decide somewhat-naively if something is a Thenable.  Matches Promises A+ Spec, section 1.2 “thenable” is an object or function that defines a then method."
    * @param elem {*} object to inspect
    * @return {Boolean} is `elem` a Thenable?
    */
   dust.isThenable = function(elem) {
-    return elem &&
-           typeof elem === 'object' &&
+    return elem &&  /* Beware: `typeof null` is `object` */
+           (typeof elem === 'object' || typeof elem === 'function') &&
            typeof elem.then === 'function';
   };
 
+  /**
+   * Decide if an element is a function but not Thenable; it is prefereable to resolve a thenable function by its `.then` method.
+   * @param elem {*} target of inspection
+   * @return {Boolean} is `elem` a function without a `.then` property?
+   */
+  dust.isNonThenableFunction = function(elem) {
+    return typeof elem === 'function' && !dust.isThenable(elem);
+  };
+
   /**
    * Decide very naively if something is a Stream.
    * @param elem {*} object to inspect
@@ -319,12 +331,17 @@
     this.options = options;
     this.blocks = blocks;
     this.templateName = templateName;
+    this._isContext = true;
   }
 
   dust.makeBase = dust.context = function(global, options) {
     return new Context(undefined, global, options);
   };
 
+  dust.isContext = function(obj) {
+    return typeof obj === "object" && obj._isContext === true;
+  };
+
   /**
    * Factory function that creates a closure scope around a Thenable-callback.
    * Returns a function that can be passed to a Thenable that will resume a
@@ -338,7 +355,8 @@
   }
 
   Context.wrap = function(context, name) {
-    if (context instanceof Context) {
+    if (dust.isContext(context)) {
+      context.templateName = name;
       return context;
     }
     return new Context(context, {}, {}, null, name);
@@ -429,7 +447,7 @@
       }
     }
 
-    if (typeof ctx === 'function') {
+    if (dust.isNonThenableFunction(ctx)) {
       fn = function() {
         try {
           return ctx.apply(ctxThis, arguments);
@@ -710,6 +728,11 @@
     return this;
   };
 
+  /**
+   * Inserts a new chunk that can be used to asynchronously render or write to it
+   * @param callback {Function} The function that will be called with the new chunk
+   * @returns {Chunk} A copy of this chunk instance in order to further chain function calls on the chunk
+   */
   Chunk.prototype.map = function(callback) {
     var cursor = new Chunk(this.root, this.next, this.taps),
         branch = new Chunk(this.root, cursor, this.taps);
@@ -725,6 +748,35 @@
     return cursor;
   };
 
+  /**
+   * Like Chunk#map but additionally resolves a thenable.  If the thenable succeeds the callback is invoked with
+   * a new chunk that can be used to asynchronously render or write to it, otherwise if the thenable is rejected 
+   * then the error body is rendered if available, an error is logged, and the callback is never invoked.
+   * @param {Chunk} The current chunk to insert a new chunk
+   * @param thenable {Thenable} the target thenable to await
+   * @param context {Context} context to use to render the deferred chunk
+   * @param bodies {Object} may optionally contain an "error" for when the thenable is rejected
+   * @param callback {Function} The function that will be called with the new chunk
+   * @returns {Chunk} A copy of this chunk instance in order to further chain function calls on the chunk
+   */
+  function mapThenable(chunk, thenable, context, bodies, callback) {
+    return chunk.map(function(asyncChunk) {
+      thenable.then(function(data) {
+        try {
+          callback(asyncChunk, data);
+        } catch (err) {
+          // handle errors the same way Chunk#map would.  This logic is only here since the thenable defers 
+          // logic such that the try / catch in Chunk#map would not capture it. 
+          dust.log(err, ERROR);
+          asyncChunk.setError(err);
+        }
+      }, function(err) {
+        dust.log('Unhandled promise rejection in `' + context.getTemplateName() + '`', INFO);
+        asyncChunk.renderError(err, context, bodies).end();
+      });
+    });
+  }
+
   Chunk.prototype.tap = function(tap) {
     var taps = this.taps;
 
@@ -746,7 +798,7 @@
   };
 
   Chunk.prototype.reference = function(elem, context, auto, filters) {
-    if (typeof elem === 'function') {
+    if (dust.isNonThenableFunction(elem)) {
       elem = elem.apply(context.current(), [this, context, null, {auto: auto, filters: filters}]);
       if (elem instanceof Chunk) {
         return elem;
@@ -771,7 +823,7 @@
         chunk = this,
         i, len, head;
 
-    if (typeof elem === 'function' && !dust.isTemplateFn(elem)) {
+    if (dust.isNonThenableFunction(elem) && !dust.isTemplateFn(elem)) {
       try {
         elem = elem.apply(context.current(), [this, context, bodies, params]);
       } catch(err) {
@@ -846,6 +898,12 @@
     var body = bodies.block,
         skip = bodies['else'];
 
+    if (dust.isThenable(elem)) {
+      return mapThenable(this, elem, context, bodies, function(chunk, data) {
+        chunk.exists(data, context, bodies).end();
+      });
+    }
+
     if (!dust.isEmpty(elem)) {
       if (body) {
         return body(this, context);
@@ -861,6 +919,12 @@
     var body = bodies.block,
         skip = bodies['else'];
 
+    if (dust.isThenable(elem)) {
+      return mapThenable(this, elem, context, bodies, function(chunk, data) {
+        chunk.notexists(data, context, bodies).end();
+      });
+    }
+
     if (dust.isEmpty(elem)) {
       if (body) {
         return body(this, context);
@@ -901,11 +965,9 @@
       // The eventual result of evaluating `elem` is a partial name
       // Load the partial after getting its name and end the async chunk
       return this.capture(elem, context, function(name, chunk) {
-        partialContext.templateName = name;
         load(name, chunk, partialContext).end();
       });
     } else {
-      partialContext.templateName = elem;
       return load(elem, this, partialContext);
     }
   };
@@ -957,27 +1019,31 @@
    * @return {Chunk}
    */
   Chunk.prototype.await = function(thenable, context, bodies, auto, filters) {
-    return this.map(function(chunk) {
-      thenable.then(function(data) {
-        if (bodies) {
-          chunk = chunk.section(data, context, bodies);
-        } else {
-          // Actually a reference. Self-closing sections don't render
-          chunk = chunk.reference(data, context, auto, filters);
-        }
-        chunk.end();
-      }, function(err) {
-        var errorBody = bodies && bodies.error;
-        if(errorBody) {
-          chunk.render(errorBody, context.push(err)).end();
-        } else {
-          dust.log('Unhandled promise rejection in `' + context.getTemplateName() + '`', INFO);
-          chunk.end();
-        }
-      });
+    return mapThenable(this, thenable, context, bodies, function(chunk, data) {
+      if (bodies) {
+        chunk.section(data, context, bodies).end();
+      } else {
+        // Actually a reference. Self-closing sections don't render
+        chunk.reference(data, context, auto, filters).end();
+      }
     });
   };
 
+  /**
+   * Render an error body if available
+   * @param err {Error} error that occurred
+   * @param context {Context} context to use to render the error
+   * @param bodies {Object} may optionally contain an "error" which will be rendered
+   * @return {Chunk}
+   */
+  Chunk.prototype.renderError = function(err, context, bodies) {
+    var errorBody = bodies && bodies.error;
+    if (errorBody) {
+      return this.render(errorBody, context.push(err));
+    }
+    return this;
+  };
+
   /**
    * Reserve a chunk to be evaluated with the contents of a streamable.
    * Currently an error event will bomb out the stream. Once an error
@@ -989,8 +1055,7 @@
    * @return {Chunk}
    */
   Chunk.prototype.stream = function(stream, context, bodies, auto, filters) {
-    var body = bodies && bodies.block,
-        errorBody = bodies && bodies.error;
+    var body = bodies && bodies.block;
     return this.map(function(chunk) {
       var ended = false;
       stream
@@ -1012,11 +1077,8 @@
           if(ended) {
             return;
           }
-          if(errorBody) {
-            chunk.render(errorBody, context.push(err));
-          } else {
-            dust.log('Unhandled stream error in `' + context.getTemplateName() + '`', INFO);
-          }
+          chunk.renderError(err, context, bodies);
+          dust.log('Unhandled stream error in `' + context.getTemplateName() + '`', INFO);
           if(!ended) {
             ended = true;
             chunk.end();
@@ -1143,8 +1205,8 @@
 if (typeof define === "function" && define.amd && define.amd.dust === true) {
     define(["require", "dust.core"], function(require, dust) {
         dust.onLoad = function(name, cb) {
-            require([name], function() {
-                cb();
+            require([name], function(tmpl) {
+                cb(null, tmpl);
             });
         };
         return dust;

@@ -1,4 +1,4 @@
 /*! dustjs-linkedin - v2.7.2
 * http://dustjs.com/
-* Copyright (c) 2015 Aleksander Williams; Released under the MIT License */
-!function(a,b){"function"==typeof define&&define.amd&&define.amd.dust===!0?define("dust.core",[],b):"object"==typeof exports?module.exports=b():a.dust=b()}(this,function(){function getTemplate(a,b){return a?"function"==typeof a&&a.template?a.template:dust.isTemplateFn(a)?a:b!==!1?dust.cache[a]:void 0:void 0}function load(a,b,c){if(!a)return b.setError(new Error("No template or template name provided to render"));var d=getTemplate(a,dust.config.cache);return d?d(b,Context.wrap(c,d.templateName)):dust.onLoad?b.map(function(b){function d(a,d){var f;if(a)return b.setError(a);if(f=getTemplate(d,!1)||getTemplate(e,dust.config.cache),!f){if(!dust.compile)return b.setError(new Error("Dust compiler not available"));f=dust.loadSource(dust.compile(d,e))}f(b,Context.wrap(c,f.templateName)).end()}var e=a;3===dust.onLoad.length?dust.onLoad(e,c.options,d):dust.onLoad(e,d)}):b.setError(new Error("Template Not Found: "+a))}function Context(a,b,c,d,e){void 0===a||a instanceof Stack||(a=new Stack(a)),this.stack=a,this.global=b,this.options=c,this.blocks=d,this.templateName=e}function getWithResolvedData(a,b,c){return function(d){return a.push(d)._get(b,c)}}function Stack(a,b,c,d){this.tail=b,this.isObject=a&&"object"==typeof a,this.head=a,this.index=c,this.of=d}function Stub(a){this.head=new Chunk(this),this.callback=a,this.out=""}function Stream(){this.head=new Chunk(this)}function Chunk(a,b,c){this.root=a,this.next=b,this.data=[],this.flushable=!1,this.taps=c}function Tap(a,b){this.head=a,this.tail=b}var dust={version:"2.7.2"},NONE="NONE",ERROR="ERROR",WARN="WARN",INFO="INFO",DEBUG="DEBUG",EMPTY_FUNC=function(){};dust.config={whitespace:!1,amd:!1,cjs:!1,cache:!0},dust._aliases={write:"w",end:"e",map:"m",render:"r",reference:"f",section:"s",exists:"x",notexists:"nx",block:"b",partial:"p",helper:"h"},function(){var a,b,c={DEBUG:0,INFO:1,WARN:2,ERROR:3,NONE:4};"undefined"!=typeof console&&console.log?(a=console.log,b="function"==typeof a?function(){a.apply(console,arguments)}:function(){a(Array.prototype.slice.apply(arguments).join(" "))}):b=EMPTY_FUNC,dust.log=function(a,d){d=d||INFO,c[d]>=c[dust.debugLevel]&&b("[DUST:"+d+"]",a)},dust.debugLevel=NONE,"undefined"!=typeof process&&process.env&&/\bdust\b/.test(process.env.DEBUG)&&(dust.debugLevel=DEBUG)}(),dust.helpers={},dust.cache={},dust.register=function(a,b){a&&(b.templateName=a,dust.config.cache!==!1&&(dust.cache[a]=b))},dust.render=function(a,b,c){var d=new Stub(c).head;try{load(a,d,b).end()}catch(e){d.setError(e)}},dust.stream=function(a,b){var c=new Stream,d=c.head;return dust.nextTick(function(){try{load(a,d,b).end()}catch(c){d.setError(c)}}),c},dust.loadSource=function(source){return eval(source)},dust.isArray=Array.isArray?Array.isArray:function(a){return"[object Array]"===Object.prototype.toString.call(a)},dust.nextTick=function(){return function(a){setTimeout(a,0)}}(),dust.isEmpty=function(a){return 0===a?!1:dust.isArray(a)&&!a.length?!0:!a},dust.isEmptyObject=function(a){var b;if(null===a)return!1;if(void 0===a)return!1;if(a.length>0)return!1;for(b in a)if(Object.prototype.hasOwnProperty.call(a,b))return!1;return!0},dust.isTemplateFn=function(a){return"function"==typeof a&&a.__dustBody},dust.isThenable=function(a){return a&&"object"==typeof a&&"function"==typeof a.then},dust.isStreamable=function(a){return a&&"function"==typeof a.on&&"function"==typeof a.pipe},dust.filter=function(a,b,c,d){var e,f,g,h;if(c)for(e=0,f=c.length;f>e;e++)g=c[e],g.length&&(h=dust.filters[g],"s"===g?b=null:"function"==typeof h?a=h(a,d):dust.log("Invalid filter `"+g+"`",WARN));return b&&(a=dust.filters[b](a,d)),a},dust.filters={h:function(a){return dust.escapeHtml(a)},j:function(a){return dust.escapeJs(a)},u:encodeURI,uc:encodeURIComponent,js:function(a){return dust.escapeJSON(a)},jp:function(a){return JSON?JSON.parse(a):(dust.log("JSON is undefined; could not parse `"+a+"`",WARN),a)}},dust.makeBase=dust.context=function(a,b){return new Context(void 0,a,b)},Context.wrap=function(a,b){return a instanceof Context?a:new Context(a,{},{},null,b)},Context.prototype.get=function(a,b){return"string"==typeof a&&("."===a[0]&&(b=!0,a=a.substr(1)),a=a.split(".")),this._get(b,a)},Context.prototype._get=function(a,b){var c,d,e,f,g,h=this.stack||{},i=1;if(d=b[0],e=b.length,a&&0===e)f=h,h=h.head;else{if(a)h&&(h=h.head?h.head[d]:void 0);else{for(;h&&(!h.isObject||(f=h.head,c=h.head[d],void 0===c));)h=h.tail;h=void 0!==c?c:this.global&&this.global[d]}for(;h&&e>i;){if(dust.isThenable(h))return h.then(getWithResolvedData(this,a,b.slice(i)));f=h,h=h[b[i]],i++}}return"function"==typeof h?(g=function(){try{return h.apply(f,arguments)}catch(a){throw dust.log(a,ERROR),a}},g.__dustBody=!!h.__dustBody,g):(void 0===h&&dust.log("Cannot find reference `{"+b.join(".")+"}` in template `"+this.getTemplateName()+"`",INFO),h)},Context.prototype.getPath=function(a,b){return this._get(a,b)},Context.prototype.push=function(a,b,c){return void 0===a?(dust.log("Not pushing an undefined variable onto the context",INFO),this):this.rebase(new Stack(a,this.stack,b,c))},Context.prototype.pop=function(){var a=this.current();return this.stack=this.stack&&this.stack.tail,a},Context.prototype.rebase=function(a){return new Context(a,this.global,this.options,this.blocks,this.getTemplateName())},Context.prototype.clone=function(){var a=this.rebase();return a.stack=this.stack,a},Context.prototype.current=function(){return this.stack&&this.stack.head},Context.prototype.getBlock=function(a){var b,c,d;if("function"==typeof a&&(a=a(new Chunk,this).data.join("")),b=this.blocks,!b)return dust.log("No blocks for context `"+a+"` in template `"+this.getTemplateName()+"`",DEBUG),!1;for(c=b.length;c--;)if(d=b[c][a])return d;return dust.log("Malformed template `"+this.getTemplateName()+"` was missing one or more blocks."),!1},Context.prototype.shiftBlocks=function(a){var b,c=this.blocks;return a?(b=c?c.concat([a]):[a],new Context(this.stack,this.global,this.options,b,this.getTemplateName())):this},Context.prototype.resolve=function(a){var b;return"function"!=typeof a?a:(b=(new Chunk).render(a,this),b instanceof Chunk?b.data.join(""):b)},Context.prototype.getTemplateName=function(){return this.templateName},Stub.prototype.flush=function(){for(var a=this.head;a;){if(!a.flushable)return a.error?(this.callback(a.error),dust.log("Rendering failed with error `"+a.error+"`",ERROR),void(this.flush=EMPTY_FUNC)):void 0;this.out+=a.data.join(""),a=a.next,this.head=a}this.callback(null,this.out)},Stream.prototype.flush=function(){for(var a=this.head;a;){if(!a.flushable)return a.error?(this.emit("error",a.error),this.emit("end"),dust.log("Streaming failed with error `"+a.error+"`",ERROR),void(this.flush=EMPTY_FUNC)):void 0;this.emit("data",a.data.join("")),a=a.next,this.head=a}this.emit("end")},Stream.prototype.emit=function(a,b){var c,d,e=this.events||{},f=e[a]||[];if(!f.length)return dust.log("Stream broadcasting, but no listeners for `"+a+"`",DEBUG),!1;for(f=f.slice(0),c=0,d=f.length;d>c;c++)f[c](b);return!0},Stream.prototype.on=function(a,b){var c=this.events=this.events||{},d=c[a]=c[a]||[];return"function"!=typeof b?dust.log("No callback function provided for `"+a+"` event listener",WARN):d.push(b),this},Stream.prototype.pipe=function(a){if("function"!=typeof a.write||"function"!=typeof a.end)return dust.log("Incompatible stream passed to `pipe`",WARN),this;var b=!1;return"function"==typeof a.emit&&a.emit("pipe",this),"function"==typeof a.on&&a.on("error",function(){b=!0}),this.on("data",function(c){if(!b)try{a.write(c,"utf8")}catch(d){dust.log(d,ERROR)}}).on("end",function(){if(!b)try{a.end(),b=!0}catch(c){dust.log(c,ERROR)}})},Chunk.prototype.write=function(a){var b=this.taps;return b&&(a=b.go(a)),this.data.push(a),this},Chunk.prototype.end=function(a){return a&&this.write(a),this.flushable=!0,this.root.flush(),this},Chunk.prototype.map=function(a){var b=new Chunk(this.root,this.next,this.taps),c=new Chunk(this.root,b,this.taps);this.next=c,this.flushable=!0;try{a(c)}catch(d){dust.log(d,ERROR),c.setError(d)}return b},Chunk.prototype.tap=function(a){var b=this.taps;return this.taps=b?b.push(a):new Tap(a),this},Chunk.prototype.untap=function(){return this.taps=this.taps.tail,this},Chunk.prototype.render=function(a,b){return a(this,b)},Chunk.prototype.reference=function(a,b,c,d){return"function"==typeof a?(a=a.apply(b.current(),[this,b,null,{auto:c,filters:d}]),a instanceof Chunk?a:this.reference(a,b,c,d)):dust.isThenable(a)?this.await(a,b,null,c,d):dust.isStreamable(a)?this.stream(a,b,null,c,d):dust.isEmpty(a)?this:this.write(dust.filter(a,c,d,b))},Chunk.prototype.section=function(a,b,c,d){var e,f,g,h=c.block,i=c["else"],j=this;if("function"==typeof a&&!dust.isTemplateFn(a)){try{a=a.apply(b.current(),[this,b,c,d])}catch(k){return dust.log(k,ERROR),this.setError(k)}if(a instanceof Chunk)return a}if(dust.isEmptyObject(c))return j;if(dust.isEmptyObject(d)||(b=b.push(d)),dust.isArray(a)){if(h){if(f=a.length,f>0){for(g=b.stack&&b.stack.head||{},g.$len=f,e=0;f>e;e++)g.$idx=e,j=h(j,b.push(a[e],e,f));return g.$idx=void 0,g.$len=void 0,j}if(i)return i(this,b)}}else{if(dust.isThenable(a))return this.await(a,b,c);if(dust.isStreamable(a))return this.stream(a,b,c);if(a===!0){if(h)return h(this,b)}else if(a||0===a){if(h)return h(this,b.push(a))}else if(i)return i(this,b)}return dust.log("Section without corresponding key in template `"+b.getTemplateName()+"`",DEBUG),this},Chunk.prototype.exists=function(a,b,c){var d=c.block,e=c["else"];if(dust.isEmpty(a)){if(e)return e(this,b)}else{if(d)return d(this,b);dust.log("No block for exists check in template `"+b.getTemplateName()+"`",DEBUG)}return this},Chunk.prototype.notexists=function(a,b,c){var d=c.block,e=c["else"];if(dust.isEmpty(a)){if(d)return d(this,b);dust.log("No block for not-exists check in template `"+b.getTemplateName()+"`",DEBUG)}else if(e)return e(this,b);return this},Chunk.prototype.block=function(a,b,c){var d=a||c.block;return d?d(this,b):this},Chunk.prototype.partial=function(a,b,c,d){var e;return void 0===d&&(d=c,c=b),dust.isEmptyObject(d)||(c=c.clone(),e=c.pop(),c=c.push(d).push(e)),dust.isTemplateFn(a)?this.capture(a,b,function(a,b){c.templateName=a,load(a,b,c).end()}):(c.templateName=a,load(a,this,c))},Chunk.prototype.helper=function(a,b,c,d,e){var f,g=this,h=d.filters;if(void 0===e&&(e="h"),!dust.helpers[a])return dust.log("Helper `"+a+"` does not exist",WARN),g;try{return f=dust.helpers[a](g,b,c,d),f instanceof Chunk?f:("string"==typeof h&&(h=h.split("|")),dust.isEmptyObject(c)?g.reference(f,b,e,h):g.section(f,b,c,d))}catch(i){return dust.log("Error in helper `"+a+"`: "+i.message,ERROR),g.setError(i)}},Chunk.prototype.await=function(a,b,c,d,e){return this.map(function(f){a.then(function(a){f=c?f.section(a,b,c):f.reference(a,b,d,e),f.end()},function(a){var d=c&&c.error;d?f.render(d,b.push(a)).end():(dust.log("Unhandled promise rejection in `"+b.getTemplateName()+"`",INFO),f.end())})})},Chunk.prototype.stream=function(a,b,c,d,e){var f=c&&c.block,g=c&&c.error;return this.map(function(h){var i=!1;a.on("data",function(a){i||(f?h=h.map(function(c){c.render(f,b.push(a)).end()}):c||(h=h.reference(a,b,d,e)))}).on("error",function(a){i||(g?h.render(g,b.push(a)):dust.log("Unhandled stream error in `"+b.getTemplateName()+"`",INFO),i||(i=!0,h.end()))}).on("end",function(){i||(i=!0,h.end())})})},Chunk.prototype.capture=function(a,b,c){return this.map(function(d){var e=new Stub(function(a,b){a?d.setError(a):c(b,d)});a(e.head,b).end()})},Chunk.prototype.setError=function(a){return this.error=a,this.root.flush(),this};for(var f in Chunk.prototype)dust._aliases[f]&&(Chunk.prototype[dust._aliases[f]]=Chunk.prototype[f]);Tap.prototype.push=function(a){return new Tap(a,this)},Tap.prototype.go=function(a){for(var b=this;b;)a=b.head(a),b=b.tail;return a};var HCHARS=/[&<>"']/,AMP=/&/g,LT=/</g,GT=/>/g,QUOT=/\"/g,SQUOT=/\'/g;dust.escapeHtml=function(a){return"string"==typeof a||a&&"function"==typeof a.toString?("string"!=typeof a&&(a=a.toString()),HCHARS.test(a)?a.replace(AMP,"&amp;").replace(LT,"&lt;").replace(GT,"&gt;").replace(QUOT,"&quot;").replace(SQUOT,"&#39;"):a):a};var BS=/\\/g,FS=/\//g,CR=/\r/g,LS=/\u2028/g,PS=/\u2029/g,NL=/\n/g,LF=/\f/g,SQ=/'/g,DQ=/"/g,TB=/\t/g;return dust.escapeJs=function(a){return"string"==typeof a?a.replace(BS,"\\\\").replace(FS,"\\/").replace(DQ,'\\"').replace(SQ,"\\'").replace(CR,"\\r").replace(LS,"\\u2028").replace(PS,"\\u2029").replace(NL,"\\n").replace(LF,"\\f").replace(TB,"\\t"):a},dust.escapeJSON=function(a){return JSON?JSON.stringify(a).replace(LS,"\\u2028").replace(PS,"\\u2029").replace(LT,"\\u003c"):(dust.log("JSON is undefined; could not escape `"+a+"`",WARN),a)},dust}),"function"==typeof define&&define.amd&&define.amd.dust===!0&&define(["require","dust.core"],function(require,dust){return dust.onLoad=function(a,b){require([a],function(){b()})},dust});
\ No newline at end of file
+* Copyright (c) 2021 Aleksander Williams; Released under the MIT License */
+!function(a,b){"function"==typeof define&&define.amd&&define.amd.dust===!0?define("dust.core",[],b):"object"==typeof exports?module.exports=b():a.dust=b()}(this,function(){function getTemplate(a,b){if(a)return"function"==typeof a&&a.template?a.template:dust.isTemplateFn(a)?a:b!==!1?dust.cache[a]:void 0}function load(a,b,c){if(!a)return b.setError(new Error("No template or template name provided to render"));var d=getTemplate(a,dust.config.cache);return d?d(b,Context.wrap(c,d.templateName)):dust.onLoad?b.map(function(b){function d(a,d){var f;if(a)return b.setError(a);if(f=getTemplate(d,!1)||getTemplate(e,dust.config.cache),!f){if(!dust.compile)return b.setError(new Error("Dust compiler not available"));f=dust.loadSource(dust.compile(d,e))}f(b,Context.wrap(c,f.templateName)).end()}var e=a;3===dust.onLoad.length?dust.onLoad(e,c.options,d):dust.onLoad(e,d)}):b.setError(new Error("Template Not Found: "+a))}function Context(a,b,c,d,e){void 0===a||a instanceof Stack||(a=new 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dust={version:"2.7.2"},NONE="NONE",ERROR="ERROR",WARN="WARN",INFO="INFO",DEBUG="DEBUG",EMPTY_FUNC=function(){};dust.config={whitespace:!1,amd:!1,cjs:!1,cache:!0},dust._aliases={write:"w",end:"e",map:"m",render:"r",reference:"f",section:"s",exists:"x",notexists:"nx",block:"b",partial:"p",helper:"h"},function(){var a,b,c={DEBUG:0,INFO:1,WARN:2,ERROR:3,NONE:4};"undefined"!=typeof console&&console.log?(a=console.log,b="function"==typeof a?function(){a.apply(console,arguments)}:function(){a(Array.prototype.slice.apply(arguments).join(" "))}):b=EMPTY_FUNC,dust.log=function(a,d){d=d||INFO,c[d]>=c[dust.debugLevel]&&(b("[DUST:"+d+"]",a),d===ERROR&&dust.debugLevel===DEBUG&&a instanceof Error&&a.stack&&b("[DUST:"+d+"]",a.stack))},dust.debugLevel=NONE,"undefined"!=typeof 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a&&a.__dustBody},dust.isThenable=function(a){return a&&("object"==typeof a||"function"==typeof a)&&"function"==typeof a.then},dust.isNonThenableFunction=function(a){return"function"==typeof a&&!dust.isThenable(a)},dust.isStreamable=function(a){return a&&"function"==typeof a.on&&"function"==typeof a.pipe},dust.filter=function(a,b,c,d){var e,f,g,h;if(c)for(e=0,f=c.length;e<f;e++)g=c[e],g.length&&(h=dust.filters[g],"s"===g?b=null:"function"==typeof h?a=h(a,d):dust.log("Invalid filter `"+g+"`",WARN));return b&&(a=dust.filters[b](a,d)),a},dust.filters={h:function(a){return dust.escapeHtml(a)},j:function(a){return dust.escapeJs(a)},u:encodeURI,uc:encodeURIComponent,js:function(a){return dust.escapeJSON(a)},jp:function(a){return JSON?JSON.parse(a):(dust.log("JSON is undefined; could not parse `"+a+"`",WARN),a)}},dust.makeBase=dust.context=function(a,b){return new Context((void 0),a,b)},dust.isContext=function(a){return"object"==typeof a&&a._isContext===!0},Context.wrap=function(a,b){return 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Context(this.stack,this.global,this.options,b,this.getTemplateName())):this},Context.prototype.resolve=function(a){var b;return"function"!=typeof a?a:(b=(new Chunk).render(a,this),b instanceof Chunk?b.data.join(""):b)},Context.prototype.getTemplateName=function(){return this.templateName},Stub.prototype.flush=function(){for(var a=this.head;a;){if(!a.flushable)return a.error?(this.callback(a.error),dust.log("Rendering failed with error `"+a.error+"`",ERROR),void(this.flush=EMPTY_FUNC)):void 0;this.out+=a.data.join(""),a=a.next,this.head=a}this.callback(null,this.out)},Stream.prototype.flush=function(){for(var a=this.head;a;){if(!a.flushable)return a.error?(this.emit("error",a.error),this.emit("end"),dust.log("Streaming failed with error `"+a.error+"`",ERROR),void(this.flush=EMPTY_FUNC)):void 0;this.emit("data",a.data.join("")),a=a.next,this.head=a}this.emit("end")},Stream.prototype.emit=function(a,b){var c,d,e=this.events||{},f=e[a]||[];if(!f.length)return dust.log("Stream broadcasting, but no listeners for `"+a+"`",DEBUG),!1;for(f=f.slice(0),c=0,d=f.length;c<d;c++)f[c](b);return!0},Stream.prototype.on=function(a,b){var c=this.events=this.events||{},d=c[a]=c[a]||[];return"function"!=typeof b?dust.log("No callback function provided for `"+a+"` event listener",WARN):d.push(b),this},Stream.prototype.pipe=function(a){if("function"!=typeof a.write||"function"!=typeof a.end)return dust.log("Incompatible stream passed to `pipe`",WARN),this;var b=!1;return"function"==typeof a.emit&&a.emit("pipe",this),"function"==typeof a.on&&a.on("error",function(){b=!0}),this.on("data",function(c){if(!b)try{a.write(c,"utf8")}catch(d){dust.log(d,ERROR)}}).on("end",function(){if(!b)try{a.end(),b=!0}catch(c){dust.log(c,ERROR)}})},Chunk.prototype.write=function(a){var b=this.taps;return b&&(a=b.go(a)),this.data.push(a),this},Chunk.prototype.end=function(a){return a&&this.write(a),this.flushable=!0,this.root.flush(),this},Chunk.prototype.map=function(a){var b=new 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mapThenable(this,a,b,c,function(a,d){a.notexists(d,b,c).end()});if(dust.isEmpty(a)){if(d)return d(this,b);dust.log("No block for not-exists check in template `"+b.getTemplateName()+"`",DEBUG)}else if(e)return e(this,b);return this},Chunk.prototype.block=function(a,b,c){var d=a||c.block;return d?d(this,b):this},Chunk.prototype.partial=function(a,b,c,d){var e;return void 0===d&&(d=c,c=b),dust.isEmptyObject(d)||(c=c.clone(),e=c.pop(),c=c.push(d).push(e)),dust.isTemplateFn(a)?this.capture(a,b,function(a,b){load(a,b,c).end()}):load(a,this,c)},Chunk.prototype.helper=function(a,b,c,d,e){var f,g=this,h=d.filters;if(void 0===e&&(e="h"),!dust.helpers[a])return dust.log("Helper `"+a+"` does not exist",WARN),g;try{return f=dust.helpers[a](g,b,c,d),f instanceof Chunk?f:("string"==typeof h&&(h=h.split("|")),dust.isEmptyObject(c)?g.reference(f,b,e,h):g.section(f,b,c,d))}catch(i){return dust.log("Error in helper `"+a+"`: "+i.message,ERROR),g.setError(i)}},Chunk.prototype.await=function(a,b,c,d,e){return mapThenable(this,a,b,c,function(a,f){c?a.section(f,b,c).end():a.reference(f,b,d,e).end()})},Chunk.prototype.renderError=function(a,b,c){var d=c&&c.error;return d?this.render(d,b.push(a)):this},Chunk.prototype.stream=function(a,b,c,d,e){var f=c&&c.block;return this.map(function(g){var h=!1;a.on("data",function(a){h||(f?g=g.map(function(c){c.render(f,b.push(a)).end()}):c||(g=g.reference(a,b,d,e)))}).on("error",function(a){h||(g.renderError(a,b,c),dust.log("Unhandled stream error in `"+b.getTemplateName()+"`",INFO),h||(h=!0,g.end()))}).on("end",function(){h||(h=!0,g.end())})})},Chunk.prototype.capture=function(a,b,c){return this.map(function(d){var e=new Stub(function(a,b){a?d.setError(a):c(b,d)});a(e.head,b).end()})},Chunk.prototype.setError=function(a){return this.error=a,this.root.flush(),this};for(var f in Chunk.prototype)dust._aliases[f]&&(Chunk.prototype[dust._aliases[f]]=Chunk.prototype[f]);Tap.prototype.push=function(a){return new Tap(a,this)},Tap.prototype.go=function(a){for(var b=this;b;)a=b.head(a),b=b.tail;return a};var HCHARS=/[&<>"']/,AMP=/&/g,LT=/</g,GT=/>/g,QUOT=/\"/g,SQUOT=/\'/g;dust.escapeHtml=function(a){return"string"==typeof a||a&&"function"==typeof a.toString?("string"!=typeof a&&(a=a.toString()),HCHARS.test(a)?a.replace(AMP,"&amp;").replace(LT,"&lt;").replace(GT,"&gt;").replace(QUOT,"&quot;").replace(SQUOT,"&#39;"):a):a};var BS=/\\/g,FS=/\//g,CR=/\r/g,LS=/\u2028/g,PS=/\u2029/g,NL=/\n/g,LF=/\f/g,SQ=/'/g,DQ=/"/g,TB=/\t/g;return dust.escapeJs=function(a){return"string"==typeof a?a.replace(BS,"\\\\").replace(FS,"\\/").replace(DQ,'\\"').replace(SQ,"\\'").replace(CR,"\\r").replace(LS,"\\u2028").replace(PS,"\\u2029").replace(NL,"\\n").replace(LF,"\\f").replace(TB,"\\t"):a},dust.escapeJSON=function(a){return JSON?JSON.stringify(a).replace(LS,"\\u2028").replace(PS,"\\u2029").replace(LT,"\\u003c"):(dust.log("JSON is undefined; could not escape `"+a+"`",WARN),a)},dust}),"function"==typeof define&&define.amd&&define.amd.dust===!0&&define(["require","dust.core"],function(require,dust){return dust.onLoad=function(a,b){require([a],function(a){b(null,a)})},dust});
\ No newline at end of file

@@ -1,5 +1,5 @@
 /*! dustjs-linkedin - v2.7.2
 * http://dustjs.com/
-* Copyright (c) 2015 Aleksander Williams; Released under the MIT License */
-!function(a,b){"function"==typeof define&&define.amd&&define.amd.dust===!0?define("dust.core",[],b):"object"==typeof exports?module.exports=b():a.dust=b()}(this,function(){function getTemplate(a,b){return a?"function"==typeof a&&a.template?a.template:dust.isTemplateFn(a)?a:b!==!1?dust.cache[a]:void 0:void 0}function load(a,b,c){if(!a)return b.setError(new Error("No template or template name provided to render"));var d=getTemplate(a,dust.config.cache);return d?d(b,Context.wrap(c,d.templateName)):dust.onLoad?b.map(function(b){function d(a,d){var f;if(a)return b.setError(a);if(f=getTemplate(d,!1)||getTemplate(e,dust.config.cache),!f){if(!dust.compile)return b.setError(new Error("Dust compiler not available"));f=dust.loadSource(dust.compile(d,e))}f(b,Context.wrap(c,f.templateName)).end()}var e=a;3===dust.onLoad.length?dust.onLoad(e,c.options,d):dust.onLoad(e,d)}):b.setError(new Error("Template Not Found: "+a))}function Context(a,b,c,d,e){void 0===a||a instanceof Stack||(a=new 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b,c,d,e;if(xc++,b=sc,gb.test(a.charAt(sc))?(c=a.charAt(sc),sc++):(c=X,0===xc&&g(hb)),c!==X){for(d=[],ib.test(a.charAt(sc))?(e=a.charAt(sc),sc++):(e=X,0===xc&&g(jb));e!==X;)d.push(e),ib.test(a.charAt(sc))?(e=a.charAt(sc),sc++):(e=X,0===xc&&g(jb));d!==X?(tc=b,c=kb(c,d),b=c):(sc=b,b=X)}else sc=b,b=X;return xc--,b===X&&(c=X,0===xc&&g(fb)),b}function D(){var b,c,d,e,f,h;if(xc++,b=sc,c=sc,d=P(),d!==X){if(e=sc,f=[],Wa.test(a.charAt(sc))?(h=a.charAt(sc),sc++):(h=X,0===xc&&g(Xa)),h!==X)for(;h!==X;)f.push(h),Wa.test(a.charAt(sc))?(h=a.charAt(sc),sc++):(h=X,0===xc&&g(Xa));else f=X;f!==X&&(tc=e,f=mb(f)),e=f,e===X&&(e=v()),e!==X?(f=Q(),f!==X?(tc=c,d=nb(e),c=d):(sc=c,c=X)):(sc=c,c=X)}else sc=c,c=X;return c!==X?(d=E(),d===X&&(d=null),d!==X?(tc=b,c=ob(c,d),b=c):(sc=b,b=X)):(sc=b,b=X),xc--,b===X&&(c=X,0===xc&&g(lb)),b}function E(){var b,c,d,e,f;if(xc++,b=sc,c=[],d=sc,46===a.charCodeAt(sc)?(e=Sa,sc++):(e=X,0===xc&&g(Ta)),e!==X?(f=C(),f!==X?(tc=d,e=qb(f),d=e):(sc=d,d=X)):(sc=d,d=X),d!==X)for(;d!==X;)c.push(d),d=sc,46===a.charCodeAt(sc)?(e=Sa,sc++):(e=X,0===xc&&g(Ta)),e!==X?(f=C(),f!==X?(tc=d,e=qb(f),d=e):(sc=d,d=X)):(sc=d,d=X);else c=X;return c!==X?(d=D(),d===X&&(d=null),d!==X?(tc=b,c=rb(c,d),b=c):(sc=b,b=X)):(sc=b,b=X),xc--,b===X&&(c=X,0===xc&&g(pb)),b}function F(){var b,c,d,e;if(xc++,b=sc,34===a.charCodeAt(sc)?(c=tb,sc++):(c=X,0===xc&&g(ub)),c!==X?(34===a.charCodeAt(sc)?(d=tb,sc++):(d=X,0===xc&&g(ub)),d!==X?(tc=b,c=vb(),b=c):(sc=b,b=X)):(sc=b,b=X),b===X&&(b=sc,34===a.charCodeAt(sc)?(c=tb,sc++):(c=X,0===xc&&g(ub)),c!==X?(d=I(),d!==X?(34===a.charCodeAt(sc)?(e=tb,sc++):(e=X,0===xc&&g(ub)),e!==X?(tc=b,c=wb(d),b=c):(sc=b,b=X)):(sc=b,b=X)):(sc=b,b=X),b===X))if(b=sc,34===a.charCodeAt(sc)?(c=tb,sc++):(c=X,0===xc&&g(ub)),c!==X){if(d=[],e=G(),e!==X)for(;e!==X;)d.push(e),e=G();else d=X;d!==X?(34===a.charCodeAt(sc)?(e=tb,sc++):(e=X,0===xc&&g(ub)),e!==X?(tc=b,c=xb(d),b=c):(sc=b,b=X)):(sc=b,b=X)}else sc=b,b=X;return xc--,b===X&&(c=X,0===xc&&g(sb)),b}function G(){var a,b;return a=u(),a===X&&(a=r(),a===X&&(a=sc,b=I(),b!==X&&(tc=a,b=yb(b)),a=b)),a}function H(){var b,c,d,e,f,h,i,j;if(xc++,b=sc,c=R(),c!==X){for(d=[],e=S();e!==X;)d.push(e),e=S();d!==X?(tc=b,c=Ab(c,d),b=c):(sc=b,b=X)}else sc=b,b=X;if(b===X){if(b=sc,c=[],d=sc,e=sc,xc++,f=M(),xc--,f===X?e=void 0:(sc=e,e=X),e!==X?(f=sc,xc++,h=K(),xc--,h===X?f=void 0:(sc=f,f=X),f!==X?(h=sc,xc++,i=L(),xc--,i===X?h=void 0:(sc=h,h=X),h!==X?(i=sc,xc++,j=R(),xc--,j===X?i=void 0:(sc=i,i=X),i!==X?(a.length>sc?(j=a.charAt(sc),sc++):(j=X,0===xc&&g(Bb)),j!==X?(tc=d,e=Cb(j),d=e):(sc=d,d=X)):(sc=d,d=X)):(sc=d,d=X)):(sc=d,d=X)):(sc=d,d=X),d!==X)for(;d!==X;)c.push(d),d=sc,e=sc,xc++,f=M(),xc--,f===X?e=void 0:(sc=e,e=X),e!==X?(f=sc,xc++,h=K(),xc--,h===X?f=void 0:(sc=f,f=X),f!==X?(h=sc,xc++,i=L(),xc--,i===X?h=void 0:(sc=h,h=X),h!==X?(i=sc,xc++,j=R(),xc--,j===X?i=void 0:(sc=i,i=X),i!==X?(a.length>sc?(j=a.charAt(sc),sc++):(j=X,0===xc&&g(Bb)),j!==X?(tc=d,e=Cb(j),d=e):(sc=d,d=X)):(sc=d,d=X)):(sc=d,d=X)):(sc=d,d=X)):(sc=d,d=X);else c=X;c!==X&&(tc=b,c=Db(c)),b=c}return xc--,b===X&&(c=X,0===xc&&g(zb)),b}function I(){var b,c,d,e,f;if(xc++,b=sc,c=[],d=sc,e=sc,xc++,f=M(),xc--,f===X?e=void 0:(sc=e,e=X),e!==X?(f=J(),f===X&&(Fb.test(a.charAt(sc))?(f=a.charAt(sc),sc++):(f=X,0===xc&&g(Gb))),f!==X?(tc=d,e=Cb(f),d=e):(sc=d,d=X)):(sc=d,d=X),d!==X)for(;d!==X;)c.push(d),d=sc,e=sc,xc++,f=M(),xc--,f===X?e=void 0:(sc=e,e=X),e!==X?(f=J(),f===X&&(Fb.test(a.charAt(sc))?(f=a.charAt(sc),sc++):(f=X,0===xc&&g(Gb))),f!==X?(tc=d,e=Cb(f),d=e):(sc=d,d=X)):(sc=d,d=X);else c=X;return c!==X&&(tc=b,c=Hb(c)),b=c,xc--,b===X&&(c=X,0===xc&&g(Eb)),b}function J(){var b,c;return b=sc,a.substr(sc,2)===Ib?(c=Ib,sc+=2):(c=X,0===xc&&g(Jb)),c!==X&&(tc=b,c=Kb()),b=c}function K(){var b,c,d,e,f,h;if(xc++,b=sc,a.substr(sc,2)===Mb?(c=Mb,sc+=2):(c=X,0===xc&&g(Nb)),c!==X){for(d=[],e=sc,f=sc,xc++,a.substr(sc,2)===Ob?(h=Ob,sc+=2):(h=X,0===xc&&g(Pb)),xc--,h===X?f=void 0:(sc=f,f=X),f!==X?(a.length>sc?(h=a.charAt(sc),sc++):(h=X,0===xc&&g(Bb)),h!==X?(tc=e,f=Qb(h),e=f):(sc=e,e=X)):(sc=e,e=X);e!==X;)d.push(e),e=sc,f=sc,xc++,a.substr(sc,2)===Ob?(h=Ob,sc+=2):(h=X,0===xc&&g(Pb)),xc--,h===X?f=void 0:(sc=f,f=X),f!==X?(a.length>sc?(h=a.charAt(sc),sc++):(h=X,0===xc&&g(Bb)),h!==X?(tc=e,f=Qb(h),e=f):(sc=e,e=X)):(sc=e,e=X);d!==X?(a.substr(sc,2)===Ob?(e=Ob,sc+=2):(e=X,0===xc&&g(Pb)),e!==X?(tc=b,c=Rb(d),b=c):(sc=b,b=X)):(sc=b,b=X)}else sc=b,b=X;return xc--,b===X&&(c=X,0===xc&&g(Lb)),b}function L(){var b,c,d,e,f,h;if(xc++,b=sc,a.substr(sc,2)===Tb?(c=Tb,sc+=2):(c=X,0===xc&&g(Ub)),c!==X){for(d=[],e=sc,f=sc,xc++,a.substr(sc,2)===Vb?(h=Vb,sc+=2):(h=X,0===xc&&g(Wb)),xc--,h===X?f=void 0:(sc=f,f=X),f!==X?(a.length>sc?(h=a.charAt(sc),sc++):(h=X,0===xc&&g(Bb)),h!==X?(tc=e,f=Cb(h),e=f):(sc=e,e=X)):(sc=e,e=X);e!==X;)d.push(e),e=sc,f=sc,xc++,a.substr(sc,2)===Vb?(h=Vb,sc+=2):(h=X,0===xc&&g(Wb)),xc--,h===X?f=void 0:(sc=f,f=X),f!==X?(a.length>sc?(h=a.charAt(sc),sc++):(h=X,0===xc&&g(Bb)),h!==X?(tc=e,f=Cb(h),e=f):(sc=e,e=X)):(sc=e,e=X);d!==X?(a.substr(sc,2)===Vb?(e=Vb,sc+=2):(e=X,0===xc&&g(Wb)),e!==X?(tc=b,c=Xb(d),b=c):(sc=b,b=X)):(sc=b,b=X)}else sc=b,b=X;return xc--,b===X&&(c=X,0===xc&&g(Sb)),b}function M(){var b,c,d,e,f,h,i,j,k,l;if(b=sc,c=N(),c!==X){for(d=[],e=S();e!==X;)d.push(e),e=S();if(d!==X)if(Yb.test(a.charAt(sc))?(e=a.charAt(sc),sc++):(e=X,0===xc&&g(Zb)),e!==X){for(f=[],h=S();h!==X;)f.push(h),h=S();if(f!==X){if(h=[],i=sc,j=sc,xc++,k=O(),xc--,k===X?j=void 0:(sc=j,j=X),j!==X?(k=sc,xc++,l=R(),xc--,l===X?k=void 0:(sc=k,k=X),k!==X?(a.length>sc?(l=a.charAt(sc),sc++):(l=X,0===xc&&g(Bb)),l!==X?(j=[j,k,l],i=j):(sc=i,i=X)):(sc=i,i=X)):(sc=i,i
... [truncated]

@@ -6,3 +6,5 @@ tmp
 examples/*/views/**/*.js
 examples/*/lib/*
 !examples/*/lib/main.js
+.vscode
+package-lock.json

@@ -192,7 +192,9 @@
         name;
 
     for (name in blocks) {
-      out.push('"' + name + '":' + blocks[name]);
+      if (Object.prototype.hasOwnProperty.call(blocks, name)) {
+        out.push('"' + name + '":' + blocks[name]);
+      }
     }
     if (out.length) {
       context.blocks = 'ctx=ctx.shiftBlocks(blocks);';

@@ -44,20 +44,20 @@
   },
   "devDependencies": {
     "ayepromise": "~1.1.1",
-    "grunt": "~1.0.1",
+    "grunt": "~1.4.1",
     "grunt-bump": "~0.8.0",
-    "grunt-cli": "~1.2.0",
-    "grunt-contrib-clean": "~1.0.0",
+    "grunt-cli": "~1.4.3",
+    "grunt-contrib-clean": "~2.0.0",
     "grunt-contrib-concat": "~1.0.1",
-    "grunt-contrib-connect": "~1.0.2",
+    "grunt-contrib-connect": "~3.0.0",
     "grunt-contrib-copy": "~1.0.0",
-    "grunt-contrib-jasmine": "~1.0.3",
-    "grunt-contrib-jshint": "~1.0.0",
+    "grunt-contrib-jasmine": "~1.2.0",
+    "grunt-contrib-jshint": "~3.0.0",
     "grunt-contrib-uglify": "~1.0.1",
-    "grunt-contrib-watch": "~1.0.0",
+    "grunt-contrib-watch": "~1.1.0",
     "grunt-execute": "~0.2.2",
     "grunt-github-changes": "~0.1.0",
-    "grunt-jasmine-nodejs": "~1.5.3",
+    "grunt-jasmine-nodejs": "~1.6.1",
     "grunt-peg": "~2.0.0",
     "grunt-saucelabs": "~8.6.1",
     "grunt-shell": "~1.3.0",

@@ -82,7 +82,7 @@
     });
   });
 
-  it("valid keys", function() {
+  describe("valid keys", function() {
     renderIt("Renders all valid keys", "{_foo}{$bar}{baz1}", {_foo: 1, $bar: 2, baz1: 3}, "123");
   });
 
@@ -232,4 +232,18 @@
     });
   });
 
+  describe('vulnerabilities', function() {
+    it('has no prototype pollution vulnerability', function() {
+      const malicious = `this.constructor.constructor('return process')().mainModule.require('child_process').execSync('curl 127.0.0.1')`;
+      Object.prototype.MAL_CODE= [ malicious ];
+      const compiled = dust.compile('{username} is an important person.{~n}');
+      const tmpl = dust.loadSource(compiled);
+      dust.render(tmpl, { username: 'Jane Doe' }, (err, output) => {
+        delete Object.prototype.MAL_CODE;
+        expect(err).toBe(null);
+        expect(output).toEqual('Jane Doe is an important person.\n');
+      });
+    });
+  });
+
 }));

@@ -1,11 +1,11 @@
 language: node_js
 node_js:
-  - "0.12"
-  - "5"
-  - "6"
+  - "12"
+  - "14"
+  - "16"
 matrix:
   include:
-    - node_js: "0.10"
+    - node_js: "12"
       env:
         - TEST="all"
         - CXX=g++-4.8
@@ -14,7 +14,7 @@ notifications:
     - jchan@linkedin.com
     - skinast@linkedin.com
 before_install:
-  - npm install -g npm@3
+  - npm install -g npm@6
 before_script:
   - npm update
 sudo: false