dustjs-linkedin - npm Package Compare versions

Comparing version 2.6.2 to 2.7.0

bower.json

 {
   "name": "dustjs-linkedin",
-  "version": "2.6.2",
+  "version": "2.7.0",
   "homepage": "https://github.com/linkedin/dustjs",
@@ -38,6 +38,5 @@ "authors": [
     "**/.*",
-    "benchmark",
     "bin",
-    "docs",
     "examples",
+    "index.js",
     "lib",
@@ -44,0 +43,0 @@ "node_modules",

CHANGELOG.md

 ## Change Log
 
-### v2.6.2 (2015/03/26 20:27 +00:00)
+### v2.7.0 (2015/04/17 23:23 +00:00)
+- [#636](https://github.com/linkedin/dustjs/pull/636) Fix failing tests in IE8 (@sethkinast)
+- [#633](https://github.com/linkedin/dustjs/pull/633) Drop Node 0.8 (@sethkinast)
+- [#635](https://github.com/linkedin/dustjs/pull/635) Resolve dynamic partial names via original context (@sethkinast)
+- [#631](https://github.com/linkedin/dustjs/pull/631) Try to avoid creating Stacks with no content when possible (@sethkinast)
+- [#613](https://github.com/linkedin/dustjs/pull/613) Refactor template compilation
 
 * `dust.render` and `dust.stream` now accept a compiled template function in addition to a template name.
 * `dust.compile` no longer requires a template name, and will compile an anonymous template without one (so `--name` is no longer required for dustc either)
 * `dust.load` is removed from the public API
 * `dust.renderSource` is moved to the compiler, so it's only included in dust-full now (Fixes #412)
 * `dust.compileFn` is moved to the compiler, so it's only included in dust-full now
 * add `dust.isTemplateFn`
 * add `dust.config.cache = true`, set to `false` to disable caching and load templates again every time (Fixes #451)
 * add `dust.config.cjs = false`, set to `true` to compile templates as CommonJS modules
 * add `--cjs` flag to `dustc`
 * Move a bunch of exposed compiler stuff under `dust.compiler` (but leave it exposed until 2.8) (@sethkinast)
+- [#624](https://github.com/linkedin/dustjs/pull/624) dustc always creates templates with forward slashes (@sethkinast)
+- [#617](https://github.com/linkedin/dustjs/pull/617) Add `chunk.stream` to allow streamables in context (@sethkinast)
+- [#610](https://github.com/linkedin/dustjs/pull/610) clean up PEG grammar a little bit (@sethkinast)
+- [#622](https://github.com/linkedin/dustjs/pull/622) Fix behavior of `Context#resolve` when resolving a context function that returns a Chunk (@sethkinast)
+- [#611](https://github.com/linkedin/dustjs/pull/611) Add grunt-github-changes plugin to automatically update changelog before releases (@sethkinast)
+- [#627](https://github.com/linkedin/dustjs/pull/627) Move to Travis CI Container builds (@sethkinast)
+- [#623](https://github.com/linkedin/dustjs/pull/623) Update to stable chokidar. (@paulmillr)
+- [#592](https://github.com/linkedin/dustjs/pull/592) Remove benchmark and old docs (@sethkinast)
+- [#609](https://github.com/linkedin/dustjs/pull/609) Clarify a few examples and add a new explicitly-incremental streaming example (@sethkinast)
+
+### v2.6.2 (2015/03/26 20:28 +00:00)
 - [#593](https://github.com/linkedin/dustjs/pull/593) npm upgrade (@sethkinast)
@@ -5,0 +21,0 @@ - [#590](https://github.com/linkedin/dustjs/pull/590) Add deep resolution of Thenables in context (@sethkinast)

dist/dust-core.js

@@ -1,3 +0,3 @@
-/*! Dust - Asynchronous Templating - v2.6.2
-* http://linkedin.github.io/dustjs/
+/*! dustjs-linkedin - v2.7.0
+* http://dustjs.com/
 * Copyright (c) 2015 Aleksander Williams; Released under the MIT License */
@@ -15,3 +15,3 @@ (function (root, factory) {
   var dust = {
-        "version": "2.6.2"
+        "version": "2.7.0"
       },
@@ -23,3 +23,5 @@ NONE = 'NONE', ERROR = 'ERROR', WARN = 'WARN', INFO = 'INFO', DEBUG = 'DEBUG',
     whitespace: false,
-    amd: false
+    amd: false,
+    cjs: false,
+    cache: true
   };
@@ -92,9 +94,10 @@
     }
+    tmpl.templateName = name;
     dust.cache[name] = tmpl;
   };
 
-  dust.render = function(name, context, callback) {
+  dust.render = function(nameOrTemplate, context, callback) {
     var chunk = new Stub(callback).head;
     try {
-      dust.load(name, chunk, Context.wrap(context, name)).end();
+      load(nameOrTemplate, chunk, context).end();
     } catch (err) {
@@ -105,3 +108,3 @@ chunk.setError(err);
 
-  dust.stream = function(name, context) {
+  dust.stream = function(nameOrTemplate, context) {
     var stream = new Stream(),
@@ -111,3 +114,3 @@ chunk = stream.head;
       try {
-        dust.load(name, stream.head, Context.wrap(context, name)).end();
+        load(nameOrTemplate, chunk, context).end();
       } catch (err) {
@@ -120,52 +123,44 @@ chunk.setError(err);
 
-  dust.renderSource = function(source, context, callback) {
-    return dust.compileFn(source)(context, callback);
-  };
+  function load(nameOrTemplate, chunk, context) {
+    if(!nameOrTemplate) {
+      return chunk.setError(new Error('No template or template name provided to render'));
+    }
 
-  /**
-   * Compile a template to an invokable function.
-   * If `name` is provided, also registers the template under `name`.
-   * @param source {String} template source
-   * @param [name] {String} template name
-   * @return {Function} has the signature `fn(context, cb)`
-   */
-  dust.compileFn = function(source, name) {
-    name = name || null;
-    var tmpl = dust.loadSource(dust.compile(source, name));
-    return function(context, callback) {
-      var master = callback ? new Stub(callback) : new Stream();
-      dust.nextTick(function() {
-        if(typeof tmpl === 'function') {
-          tmpl(master.head, Context.wrap(context, name)).end();
-        } else {
-          dust.log(new Error('Template `' + name + '` could not be loaded'), ERROR);
-        }
-      });
-      return master;
-    };
-  };
+    if(!dust.config.cache) {
+      dust.cache = {};
+    }
 
-  dust.load = function(name, chunk, context) {
-    var tmpl = dust.cache[name];
+    var tmpl;
+    if(typeof nameOrTemplate === 'function' && nameOrTemplate.template) {
+      // Sugar away CommonJS module templates
+      tmpl = nameOrTemplate.template;
+    } else if(dust.isTemplateFn(nameOrTemplate)) {
+      // Template functions passed directly
+      tmpl = nameOrTemplate;
+    } else {
+      // Load a template with this name from cache
+      tmpl = dust.cache[nameOrTemplate];
+    }
+
     if (tmpl) {
-      return tmpl(chunk, context);
+      return tmpl(chunk, Context.wrap(context, tmpl.templateName));
     } else {
       if (dust.onLoad) {
         return chunk.map(function(chunk) {
-          dust.onLoad(name, function(err, src) {
+          dust.onLoad(nameOrTemplate, function(err, src) {
             if (err) {
               return chunk.setError(err);
             }
-            if (!dust.cache[name]) {
-              dust.loadSource(dust.compile(src, name));
+            if (!dust.cache[nameOrTemplate]) {
+              dust.loadSource(dust.compile(src, nameOrTemplate));
             }
-            dust.cache[name](chunk, context).end();
+            dust.cache[nameOrTemplate](chunk, Context.wrap(context, nameOrTemplate)).end();
           });
         });
       }
-      return chunk.setError(new Error('Template Not Found: ' + name));
+      return chunk.setError(new Error('Template Not Found: ' + nameOrTemplate));
     }
-  };
+  }
 
-  dust.loadSource = function(source, path) {
+  dust.loadSource = function(source) {
     /*jshint evil:true*/
@@ -185,5 +180,5 @@ return eval(source);
     return function(callback) {
-      setTimeout(callback,0);
+      setTimeout(callback, 0);
     };
-  } )();
+  })();
 
@@ -223,2 +218,7 @@ /**
 
+  dust.isTemplateFn = function(elem) {
+    return typeof elem === 'function' &&
+           elem.__dustBody;
+  };
+
   /**
@@ -235,2 +235,12 @@ * Decide somewhat-naively if something is a Thenable.
 
+  /**
+   * Decide very naively if something is a Stream.
+   * @param elem {*} object to inspect
+   * @return {Boolean} is `elem` a Stream?
+   */
+  dust.isStreamable = function(elem) {
+    return elem &&
+           typeof elem.on === 'function';
+  };
+
   // apply the filter chain and return the output string
@@ -276,2 +286,5 @@ dust.filter = function(string, auto, filters) {
   function Context(stack, global, blocks, templateName) {
+    if(stack !== undefined && !(stack instanceof Stack)) {
+      stack = new Stack(stack);
+    }
     this.stack = stack;
@@ -284,3 +297,3 @@ this.global = global;
   dust.makeBase = function(global) {
-    return new Context(new Stack(), global);
+    return new Context(undefined, global);
   };
@@ -304,3 +317,3 @@
     }
-    return new Context(new Stack(context), {}, null, name);
+    return new Context(context, {}, null, name);
   };
@@ -366,6 +379,7 @@
 
+        // Try looking in the global context if we haven't found anything yet
         if (value !== undefined) {
           ctx = value;
         } else {
-          ctx = this.global ? this.global[first] : undefined;
+          ctx = this.global && this.global[first];
         }
@@ -417,3 +431,7 @@ } else if (ctx) {
   Context.prototype.push = function(head, idx, len) {
-    return new Context(new Stack(head, this.stack, idx, len), this.global, this.blocks, this.getTemplateName());
+    if(head === undefined) {
+      dust.log("Not pushing an undefined variable onto the context", INFO);
+      return this;
+    }
+    return this.rebase(new Stack(head, this.stack, idx, len));
   };
@@ -428,3 +446,3 @@
   Context.prototype.rebase = function(head) {
-    return new Context(new Stack(head), this.global, this.blocks, this.getTemplateName());
+    return new Context(head, this.global, this.blocks, this.getTemplateName());
   };
@@ -442,3 +460,3 @@
 
-  Context.prototype.getBlock = function(key, chk, ctx) {
+  Context.prototype.getBlock = function(key) {
     var blocks, len, fn;
@@ -491,6 +509,6 @@
     chunk = new Chunk().render(body, this);
-    if(!body.__dustBody) {
-      return chunk;
+    if(chunk instanceof Chunk) {
+      return chunk.data.join(''); // ie7 perf
     }
-    return chunk.data.join(''); // ie7 perf
+    return chunk;
   };
@@ -536,2 +554,5 @@
 
+  /**
+   * Creates an interface sort of like a Streams2 ReadableStream.
+   */
   function Stream() {
@@ -549,2 +570,3 @@ this.head = new Chunk(this);
         this.emit('error', chunk.error);
+        this.emit('end');
         dust.log('Streaming failed with error `' + chunk.error + '`', ERROR);
@@ -562,2 +584,7 @@ this.flush = EMPTY_FUNC;
 
+  /**
+   * Executes listeners for `type` by passing data. Note that this is different from a
+   * Node stream, which can pass an arbitrary number of arguments
+   * @return `true` if event had listeners, `false` otherwise
+   */
   Stream.prototype.emit = function(type, data) {
@@ -570,3 +597,3 @@ var events = this.events || {},
       dust.log('Stream broadcasting, but no listeners for `' + type + '`', DEBUG);
-      return;
+      return false;
     }
@@ -578,2 +605,3 @@
     }
+    return true;
   };
@@ -593,5 +621,32 @@
 
+  /**
+   * Pipes to a WritableStream. Note that backpressure isn't implemented,
+   * so we just write as fast as we can.
+   * @param stream {WritableStream}
+   * @return self
+   */
   Stream.prototype.pipe = function(stream) {
+    if(typeof stream.write !== 'function' ||
+       typeof stream.end !== 'function') {
+      dust.log('Incompatible stream passed to `pipe`', WARN);
+      return this;
+    }
+
+    var destEnded = false;
+
+    if(typeof stream.emit === 'function') {
+      stream.emit('pipe', this);
+    }
+
+    if(typeof stream.on === 'function') {
+      stream.on('error', function() {
+        destEnded = true;
+      });
+    }
+
     return this
     .on('data', function(data) {
+      if(destEnded) {
+        return;
+      }
       try {
@@ -604,10 +659,11 @@ stream.write(data, 'utf8');
     .on('end', function() {
+      if(destEnded) {
+        return;
+      }
       try {
         stream.end();
+        destEnded = true;
       } catch (err) {
         dust.log(err, ERROR);
       }
-    })
-    .on('error', function(err) {
-      stream.error(err);
     });
@@ -683,6 +739,10 @@ };
         return elem;
+      } else {
+        return this.reference(elem, context, auto, filters);
       }
     }
     if (dust.isThenable(elem)) {
-      return this.await(elem, context);
+      return this.await(elem, context, null, auto, filters);
+    } else if (dust.isStreamable(elem)) {
+      return this.stream(elem, context, null, auto, filters);
     } else if (!dust.isEmpty(elem)) {
@@ -701,3 +761,3 @@ return this.write(dust.filter(elem, auto, filters));
 
-    if (typeof elem === 'function' && !elem.__dustBody) {
+    if (typeof elem === 'function' && !dust.isTemplateFn(elem)) {
       try {
@@ -731,7 +791,7 @@ elem = elem.apply(context.current(), [this, context, bodies, params]);
           if(context.stack.head) {
-            context.stack.head['$len'] = len;
+            context.stack.head.$len = len;
           }
           for (i = 0; i < len; i++) {
             if(context.stack.head) {
-              context.stack.head['$idx'] = i;
+              context.stack.head.$idx = i;
             }
@@ -741,4 +801,4 @@ chunk = body(chunk, context.push(elem[i], i, len));
           if(context.stack.head) {
-            context.stack.head['$idx'] = undefined;
-            context.stack.head['$len'] = undefined;
+            context.stack.head.$idx = undefined;
+            context.stack.head.$len = undefined;
           }
@@ -753,2 +813,4 @@ return chunk;
       return this.await(elem, context, bodies);
+    } else if (dust.isStreamable(elem)) {
+      return this.stream(elem, context, bodies);
     } else if (elem === true) {
@@ -814,22 +876,22 @@ // true is truthy but does not change context
 
-  Chunk.prototype.partial = function(elem, context, params) {
+  Chunk.prototype.partial = function(elem, context, partialContext, params) {
     var head;
 
     if (!dust.isEmptyObject(params)) {
-      context = context.clone();
-      head = context.pop();
-      context = context.push(params)
-                       .push(head);
+      partialContext = partialContext.clone();
+      head = partialContext.pop();
+      partialContext = partialContext.push(params)
+                                     .push(head);
     }
 
-    if (elem.__dustBody) {
+    if (dust.isTemplateFn(elem)) {
       // 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) {
-        context.templateName = name;
-        dust.load(name, chunk, context).end();
+        partialContext.templateName = name;
+        load(name, chunk, partialContext).end();
       });
     } else {
-      context.templateName = elem;
-      return dust.load(elem, this, context);
+      partialContext.templateName = elem;
+      return load(elem, this, partialContext);
     }
@@ -866,3 +928,3 @@ };
    */
-  Chunk.prototype.await = function(thenable, context, bodies) {
+  Chunk.prototype.await = function(thenable, context, bodies, auto, filters) {
     var body = bodies && bodies.block,
@@ -875,3 +937,3 @@ errorBody = bodies && bodies.error;
         } else {
-          chunk.end(data);
+          chunk.reference(data, context, auto, filters).end();
         }
@@ -889,2 +951,55 @@ }, function(err) {
 
+  /**
+   * Reserve a chunk to be evaluated with the contents of a streamable.
+   * Currently an error event will bomb out the stream. Once an error
+   * is received, we push it to an {:error} block if one exists, and log otherwise,
+   * then stop listening to the stream.
+   * @param streamable {Streamable} the target streamable that will emit events
+   * @param context {Context} context to use to render each thunk
+   * @param bodies {Object} must contain a "body", may contain an "error"
+   * @return {Chunk}
+   */
+  Chunk.prototype.stream = function(stream, context, bodies, auto, filters) {
+    var body = bodies && bodies.block,
+        errorBody = bodies && bodies.error;
+    return this.map(function(chunk) {
+      var ended = false;
+      stream
+        .on('data', function data(thunk) {
+          if(ended) {
+            return;
+          }
+          if(body) {
+            // Fork a new chunk out of the blockstream so that we can flush it independently
+            chunk = chunk.map(function(chunk) {
+              chunk.render(body, context.push(thunk)).end();
+            });
+          } else {
+            // Don't fork, just write into the master async chunk
+            chunk = chunk.reference(thunk, context, auto, filters);
+          }
+        })
+        .on('error', function error(err) {
+          if(ended) {
+            return;
+          }
+          if(errorBody) {
+            chunk.render(errorBody, context.push(err));
+          } else {
+            dust.log('Unhandled stream error in `' + context.getTemplateName() + '`');
+          }
+          if(!ended) {
+            ended = true;
+            chunk.end();
+          }
+        })
+        .on('end', function end() {
+          if(!ended) {
+            ended = true;
+            chunk.end();
+          }
+        });
+    });
+  };
+
   Chunk.prototype.capture = function(body, context, callback) {
@@ -891,0 +1006,0 @@ return this.map(function(chunk) {

dist/dust-core.min.js

@@ -1,4 +0,4 @@
-/*! Dust - Asynchronous Templating - v2.6.2
-* http://linkedin.github.io/dustjs/
+/*! dustjs-linkedin - v2.7.0
+* 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 Context(a,b,c,d){this.stack=a,this.global=b,this.blocks=c,this.templateName=d}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:"2.6.2"},NONE="NONE",ERROR="ERROR",WARN="WARN",INFO="INFO",DEBUG="DEBUG",EMPTY_FUNC=function(){};dust.config={whitespace:!1,amd:!1},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&&(dust.cache[a]=b)},dust.render=function(a,b,c){var d=new Stub(c).head;try{dust.load(a,d,Context.wrap(b,a)).end()}catch(e){d.setError(e)}},dust.stream=function(a,b){var c=new Stream,d=c.head;return dust.nextTick(function(){try{dust.load(a,c.head,Context.wrap(b,a)).end()}catch(e){d.setError(e)}}),c},dust.renderSource=function(a,b,c){return dust.compileFn(a)(b,c)},dust.compileFn=function(a,b){b=b||null;var c=dust.loadSource(dust.compile(a,b));return function(a,d){var e=d?new Stub(d):new Stream;return dust.nextTick(function(){"function"==typeof c?c(e.head,Context.wrap(a,b)).end():dust.log(new Error("Template `"+b+"` could not be loaded"),ERROR)}),e}},dust.load=function(a,b,c){var d=dust.cache[a];return d?d(b,c):dust.onLoad?b.map(function(b){dust.onLoad(a,function(d,e){return d?b.setError(d):(dust.cache[a]||dust.loadSource(dust.compile(e,a)),void dust.cache[a](b,c).end())})}):b.setError(new Error("Template Not Found: "+a))},dust.loadSource=function(source,path){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.isThenable=function(a){return a&&"object"==typeof a&&"function"==typeof a.then},dust.filter=function(a,b,c){var d,e,f;if(c)for(d=0,e=c.length;e>d;d++)f=c[d],"s"===f?b=null:"function"==typeof dust.filters[f]?a=dust.filters[f](a):dust.log("Invalid filter `"+f+"`",WARN);return b&&(a=dust.filters[b](a)),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=function(a){return new Context(new Stack,a)},Context.wrap=function(a,b){return a instanceof Context?a:new Context(new Stack(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]:void 0}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 new Context(new Stack(a,this.stack,b,c),this.global,this.blocks,this.getTemplateName())},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(new Stack(a),this.global,this.blocks,this.getTemplateName())},Context.prototype.clone=function(){var a=this.rebase();return 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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.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,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 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this.await(a,b,c);if(dust.isStreamable(a))return this.stream(a,b,c);if(a===!0){if(g)return g(this,b)}else if(a||0===a){if(g)return g(this,b.push(a))}else if(h)return h(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 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){var e,f=this;if(!dust.helpers[a])return dust.log("Helper `"+a+"` does not exist",WARN),f;try{return e=dust.helpers[a](f,b,c,d),dust.isThenable(e)?this.await(e,b,c):e}catch(g){return dust.log("Error in helper `"+a+"`: "+g.message,ERROR),f.setError(g)}},Chunk.prototype.await=function(a,b,c,d,e){var f=c&&c.block,g=c&&c.error;return this.map(function(c){a.then(function(a){f?c.render(f,b.push(a)).end():c.reference(a,b,d,e).end()},function(a){g?c.render(g,b.push(a)).end():(dust.log("Unhandled promise rejection in `"+b.getTemplateName()+"`"),c.end())})})},Chunk.prototype.stream=function(a,b,c,d,e){var f=c&&c.block,g=c&&c.error;return this.map(function(c){var h=!1;a.on("data",function(a){h||(c=f?c.map(function(c){c.render(f,b.push(a)).end()}):c.reference(a,b,d,e))}).on("error",function(a){h||(g?c.render(g,b.push(a)):dust.log("Unhandled stream error in `"+b.getTemplateName()+"`"),h||(h=!0,c.end()))}).on("end",function(){h||(h=!0,c.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 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dist/dust-full.min.js

@@ -1,5 +0,6 @@
-/*! Dust - Asynchronous Templating - v2.6.2
-* http://linkedin.github.io/dustjs/
+/*! dustjs-linkedin - v2.7.0
+* 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 Context(a,b,c,d){this.stack=a,this.global=b,this.blocks=c,this.templateName=d}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:"2.6.2"},NONE="NONE",ERROR="ERROR",WARN="WARN",INFO="INFO",DEBUG="DEBUG",EMPTY_FUNC=function(){};dust.config={whitespace:!1,amd:!1},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 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U(["comment",a.join("")])},_b=/^[#?\^><+%:@\/~%]/,ac={type:"class",value:"[#?\\^><+%:@\\/~%]",description:"[#?\\^><+%:@\\/~%]"},bc="{",cc={type:"literal",value:"{",description:'"{"'},dc="}",ec={type:"literal",value:"}",description:'"}"'},fc="[",gc={type:"literal",value:"[",description:'"["'},hc="]",ic={type:"literal",value:"]",description:'"]"'},jc="\n",kc={type:"literal",value:"\n",description:'"\\n"'},lc="\r\n",mc={type:"literal",value:"\r\n",description:'"\\r\\n"'},nc="\r",oc={type:"literal",value:"\r",description:'"\\r"'},pc="\u2028",qc={type:"literal",value:"\u2028",description:'"\\u2028"'},rc="\u2029",sc={type:"literal",value:"\u2029",description:'"\\u2029"'},tc=/^[\t\x0B\f \xA0\uFEFF]/,uc={type:"class",value:"[\\t\\x0B\\f \\xA0\\uFEFF]",description:"[\\t\\x0B\\f \\xA0\\uFEFF]"},vc=0,wc=0,xc=0,yc={line:1,column:1,seenCR:!1},zc=0,Ac=[],Bc=0;if("startRule"in W){if(!(W.startRule in Y))throw new Error("Can't start parsing from rule \""+W.startRule+'".');
+
+Z=Y[W.startRule]}if(V=Z(),V!==X&&vc===a.length)return V;throw V!==X&&vc<a.length&&g({type:"end",description:"end of input"}),h(null,Ac,zc)}return a(b,Error),{SyntaxError:b,parse:c}}();return dust.parse=a.parse,a}),function(a,b){"function"==typeof define&&define.amd&&define.amd.dust===!0?define("dust.compile",["dust.core","dust.parse"],function(dust,a){return b(a,dust).compile}):"object"==typeof exports?module.exports=b(require("./parser").parse,require("./dust")):b(a.dust.parse,a.dust)}(this,function(a,dust){function b(a){var b={};return r.filterNode(b,a)}function c(a,b){var c,d,e,f=[b[0]];for(c=1,d=b.length;d>c;c++)e=r.filterNode(a,b[c]),e&&f.push(e);return f}function d(a,b){var c,d,e,f,g=[b[0]];for(d=1,e=b.length;e>d;d++)f=r.filterNode(a,b[d]),f&&("buffer"===f[0]||"format"===f[0]?c?(c[0]="buffer"===f[0]?"buffer":c[0],c[1]+=f.slice(1,-2).join("")):(c=f,g.push(f)):(c=null,g.push(f)));return g}function e(a,b){return["buffer",t[b[1]],b[2],b[3]]}function f(a,b){return b}function g(){}function h(a,b){return dust.config.whitespace?(b.splice(1,2,b.slice(1,-2).join("")),b):null}function i(a,b){var c,d={name:b,bodies:[],blocks:{},index:0,auto:"h"},e=dust.escapeJs(b),f=b?'"'+e+'",':"",g="function(dust){",h=r.compileNode(d,a);return b&&(g+='dust.register("'+e+'",'+h+");"),g+=j(d)+k(d)+"return "+h+"}",c="("+g+"(dust));",dust.config.amd?"define("+f+'["dust.core"],'+g+");":dust.config.cjs?"module.exports=function(dust){var tmpl="+c+"var f="+q().toString()+";f.template=tmpl;return f}":c}function j(a){var b,c=[],d=a.blocks;for(b in d)c.push('"'+b+'":'+d[b]);return c.length?(a.blocks="ctx=ctx.shiftBlocks(blocks);","var blocks={"+c.join(",")+"};"):(a.blocks="",a.blocks)}function k(a){var b,c,d=[],e=a.bodies,f=a.blocks;for(b=0,c=e.length;c>b;b++)d[b]="function body_"+b+"(chk,ctx){"+f+"return chk"+e[b]+";}body_"+b+".__dustBody=!0;";return d.join("")}function l(a,b){var c,d,e="";for(c=1,d=b.length;d>c;c++)e+=r.compileNode(a,b[c]);return e}function m(a,b,c){return"."+(dust._aliases[c]||c)+"("+r.compileNode(a,b[1])+","+r.compileNode(a,b[2])+","+r.compileNode(a,b[4])+","+r.compileNode(a,b[3])+")"}function n(a){return a.replace(u,"\\\\").replace(v,'\\"').replace(w,"\\f").replace(x,"\\n").replace(y,"\\r").replace(z,"\\t")}function o(a,b,c){var d=dust.loadSource(dust.compile(a));return q(d)(b,c)}function p(a,b){var c=dust.loadSource(dust.compile(a,b));return q(c)}function q(a){return function(b,c){var d=c?"render":"stream";return dust[d](a,b,c)}}var r={},s=dust.isArray;r.compile=function(c,d){try{var e=b(a(c));return i(e,d)}catch(f){if(!f.line||!f.column)throw f;throw new SyntaxError(f.message+" At line : "+f.line+", column : "+f.column)}},r.filterNode=function(a,b){return r.optimizers[b[0]](a,b)},r.optimizers={body:d,buffer:f,special:e,format:h,reference:c,"#":c,"?":c,"^":c,"<":c,"+":c,"@":c,"%":c,partial:c,context:c,params:c,bodies:c,param:c,filters:f,key:f,path:f,literal:f,raw:f,comment:g,line:g,col:g},r.pragmas={esc:function(a,b,c){var d,e=a.auto;return b||(b="h"),a.auto="s"===b?"":b,d=l(a,c.block),a.auto=e,d}};var t={s:" ",n:"\n",r:"\r",lb:"{",rb:"}"};r.compileNode=function(a,b){return r.nodes[b[0]](a,b)},r.nodes={body:function(a,b){var c=a.index++,d="body_"+c;return a.bodies[c]=l(a,b),d},buffer:function(a,b){return".w("+A(b[1])+")"},format:function(a,b){return".w("+A(b[1])+")"},reference:function(a,b){return".f("+r.compileNode(a,b[1])+",ctx,"+r.compileNode(a,b[2])+")"},"#":function(a,b){return m(a,b,"section")},"?":function(a,b){return m(a,b,"exists")},"^":function(a,b){return m(a,b,"notexists")},"<":function(a,b){for(var c=b[4],d=1,e=c.length;e>d;d++){var f=c[d],g=f[1][1];if("block"===g)return a.blocks[b[1].text]=r.compileNode(a,f[2]),""}return""},"+":function(a,b){return"undefined"==typeof b[1].text&&"undefined"==typeof b[4]?".b(ctx.getBlock("+r.compileNode(a,b[1])+",chk, ctx),"+r.compileNode(a,b[2])+", {},"+r.compileNode(a,b[3])+")":".b(ctx.getBlock("+A(b[1].text)+"),"+r.compileNode(a,b[2])+","+r.compileNode(a,b[4])+","+r.compileNode(a,b[3])+")"},"@":function(a,b){return".h("+A(b[1].text)+","+r.compileNode(a,b[2])+","+r.compileNode(a,b[4])+","+r.compileNode(a,b[3])+")"},"%":function(a,b){var c,d,e,f,g,h,i,j,k,l=b[1][1];if(!r.pragmas[l])return"";for(c=b[4],d={},j=1,k=c.length;k>j;j++)h=c[j],d[h[1][1]]=h[2];for(e=b[3],f={},j=1,k=e.length;k>j;j++)i=e[j],f[i[1][1]]=i[2][1];return g=b[2][1]?b[2][1].text:null,r.pragmas[l](a,g,d,f)},partial:function(a,b){return".p("+r.compileNode(a,b[1])+",ctx,"+r.compileNode(a,b[2])+","+r.compileNode(a,b[3])+")"},context:function(a,b){return b[1]?"ctx.rebase("+r.compileNode(a,b[1])+")":"ctx"},params:function(a,b){for(var c=[],d=1,e=b.length;e>d;d++)c.push(r.compileNode(a,b[d]));return c.length?"{"+c.join(",")+"}":"{}"},bodies:function(a,b){for(var c=[],d=1,e=b.length;e>d;d++)c.push(r.compileNode(a,b[d]));return"{"+c.join(",")+"}"},param:function(a,b){return r.compileNode(a,b[1])+":"+r.compileNode(a,b[2])},filters:function(a,b){for(var c=[],d=1,e=b.length;e>d;d++){var f=b[d];c.push('"'+f+'"')}return'"'+a.auto+'"'+(c.length?",["+c.join(",")+"]":"")},key:function(a,b){return'ctx.get(["'+b[1]+'"], false)'},path:function(a,b){for(var c=b[1],d=b[2],e=[],f=0,g=d.length;g>f;f++)e.push(s(d[f])?r.compileNode(a,d[f]):'"'+d[f]+'"');return"ctx.getPath("+c+", ["+e.join(",")+"])"},literal:function(a,b){return A(b[1])},raw:function(a,b){return".w("+A(b[1])+")"}};var u=/\\/g,v=/"/g,w=/\f/g,x=/\n/g,y=/\r/g,z=/\t/g,A="undefined"==typeof JSON?function(a){return'"'+n(a)+'"'}:JSON.stringify;return dust.compiler=r,dust.compile=dust.compiler.compile,dust.renderSource=o,dust.compileFn=p,dust.filterNode=r.filterNode,dust.optimizers=r.optimizers,dust.pragmas=r.pragmas,dust.compileNode=r.compileNode,dust.nodes=r.nodes,r}),"function"==typeof define&&define.amd&&define.amd.dust===!0&&define(["require","dust.core","dust.compile"],function(require,dust){return dust.onLoad=function(a,b){require([a],function(){b()})},dust});

examples/basic-browser/README.md

@@ -1,7 +0,11 @@
-To run:
+To install:
 
-    bower install && ../../bin/dustc views/*.dust --output=lib/compiled.js
+    npm install && bower install
 
+To (re)compile templates:
+
+    ../../bin/dustc views/*.dust --output=lib/compiled.js
+
 Then load `index.html` in your browser.
 
 This example shows how to simply load Dust using script tags. Templates are stored in the **views** directory and are then compiled to a single script file that is included on the page.

examples/streaming-hoffman/package.json

@@ -7,3 +7,2 @@ {
   "dependencies": {
-    "dustjs-linkedin": "^2.6.1",
     "express": "^4.12.3",
@@ -10,0 +9,0 @@ "hoffman": "^0.1.4",

examples/streaming-hoffman/README.md

@@ -11,2 +11,4 @@ To run:
 
+Note that Hoffman doesn't always use the most up-to-date version of Dust, so you might need to manually upgrade it by editing its `package.json` file.
+
 More info on Hoffman: https://www.npmjs.com/package/hoffman

examples/streaming/app.js

@@ -9,2 +9,3 @@ var fs = require('fs'),
 
+// Define a custom `onLoad` function to tell Dust how to load templates
 dust.onLoad = function(tmpl, cb) {
@@ -11,0 +12,0 @@ fs.readFile(path.join('./views', path.resolve('/', tmpl + '.dust')),

index.js

@@ -9,4 +9,4 @@ /*global process*/
 var context = vm.createContext({dust: dust});
-dust.loadSource = function(source, path) {
-  return vm.runInContext(source, context, path);
+dust.loadSource = function(source) {
+  return vm.runInContext(source, context);
 };
@@ -13,0 +13,0 @@

lib/compiler.js

@@ -25,5 +25,2 @@ /*jshint latedef:false */
     // for the common case (using compile and render) a name is required so that templates will be cached by name and rendered later, by name.
-    if (!name && name !== null) {
-      throw new Error('Template name parameter cannot be undefined when calling dust.compile');
-    }
 
@@ -81,3 +78,3 @@ try {
   compiler.pragmas = {
-    esc: function(compiler, context, bodies, params) {
+    esc: function(compiler, context, bodies) {
       var old = compiler.auto,
@@ -169,14 +166,26 @@ out;
     escapedName = dust.escapeJs(name),
-    body_0 = 'function(dust){dust.register(' +
-        (name ? '"' + escapedName + '"' : 'null') + ',' +
-        compiler.compileNode(context, ast) +
-        ');' +
-        compileBlocks(context) +
-        compileBodies(context) +
-        'return body_0;}';
+    AMDName = name? '"' + escapedName + '",' : '',
+    compiled = 'function(dust){',
+    entry = compiler.compileNode(context, ast),
+    iife;
 
+    if(name) {
+      compiled += 'dust.register("' + escapedName + '",' + entry + ');';
+    }
+
+    compiled += compileBlocks(context) +
+                compileBodies(context) +
+                'return ' + entry + '}';
+
+    iife = '(' + compiled + '(dust));';
+
     if(dust.config.amd) {
-      return 'define("' + escapedName + '",["dust.core"],' + body_0 + ');';
+      return 'define(' + AMDName + '["dust.core"],' + compiled + ');';
+    } else if(dust.config.cjs) {
+      return 'module.exports=function(dust){' +
+             'var tmpl=' + iife +
+             'var f=' + loaderFor().toString() + ';' +
+             'f.template=tmpl;return f}';
     } else {
-      return '(' + body_0 + ')(dust);';
+      return iife;
     }
@@ -196,4 +205,6 @@ }
       return 'var blocks={' + out.join(',') + '};';
+    } else {
+      context.blocks = '';
     }
-    return context.blocks = '';
+    return context.blocks;
   }
@@ -275,3 +286,3 @@
       if (typeof(node[1].text) === 'undefined'  && typeof(node[4]) === 'undefined'){
-        return '.block(ctx.getBlock(' +
+        return '.b(ctx.getBlock(' +
               compiler.compileNode(context, node[1]) +
@@ -282,3 +293,3 @@ ',chk, ctx),' + compiler.compileNode(context, node[2]) + ', {},' +
       } else {
-        return '.block(ctx.getBlock(' +
+        return '.b(ctx.getBlock(' +
             escape(node[1].text) +
@@ -335,3 +346,3 @@ '),' + compiler.compileNode(context, node[2]) + ',' +
           compiler.compileNode(context, node[1]) +
-          ',' + compiler.compileNode(context, node[2]) +
+          ',ctx,' + compiler.compileNode(context, node[2]) +
           ',' + compiler.compileNode(context, node[3]) + ')';
@@ -435,4 +446,26 @@ },
 
+  function renderSource(source, context, callback) {
+    var tmpl = dust.loadSource(dust.compile(source));
+    return loaderFor(tmpl)(context, callback);
+  }
+
+  function compileFn(source, name) {
+    var tmpl = dust.loadSource(dust.compile(source, name));
+    return loaderFor(tmpl);
+  }
+
+  function loaderFor(tmpl) {
+    return function load(ctx, cb) {
+      var fn = cb ? 'render' : 'stream';
+      return dust[fn](tmpl, ctx, cb);
+    };
+  }
+
   // expose compiler methods
-  dust.compile = compiler.compile;
+  dust.compiler = compiler;
+  dust.compile = dust.compiler.compile;
+  dust.renderSource = renderSource;
+  dust.compileFn = compileFn;
+
+  // DEPRECATED legacy names. Removed in 2.8.0
   dust.filterNode = compiler.filterNode;
@@ -439,0 +472,0 @@ dust.optimizers = compiler.optimizers;

lib/dust.js

@@ -12,3 +12,3 @@ (function (root, factory) {
   var dust = {
-        "version": "2.6.2"
+        "version": "2.7.0"
       },
@@ -20,3 +20,5 @@ NONE = 'NONE', ERROR = 'ERROR', WARN = 'WARN', INFO = 'INFO', DEBUG = 'DEBUG',
     whitespace: false,
-    amd: false
+    amd: false,
+    cjs: false,
+    cache: true
   };
@@ -89,9 +91,10 @@
     }
+    tmpl.templateName = name;
     dust.cache[name] = tmpl;
   };
 
-  dust.render = function(name, context, callback) {
+  dust.render = function(nameOrTemplate, context, callback) {
     var chunk = new Stub(callback).head;
     try {
-      dust.load(name, chunk, Context.wrap(context, name)).end();
+      load(nameOrTemplate, chunk, context).end();
     } catch (err) {
@@ -102,3 +105,3 @@ chunk.setError(err);
 
-  dust.stream = function(name, context) {
+  dust.stream = function(nameOrTemplate, context) {
     var stream = new Stream(),
@@ -108,3 +111,3 @@ chunk = stream.head;
       try {
-        dust.load(name, stream.head, Context.wrap(context, name)).end();
+        load(nameOrTemplate, chunk, context).end();
       } catch (err) {
@@ -117,52 +120,44 @@ chunk.setError(err);
 
-  dust.renderSource = function(source, context, callback) {
-    return dust.compileFn(source)(context, callback);
-  };
+  function load(nameOrTemplate, chunk, context) {
+    if(!nameOrTemplate) {
+      return chunk.setError(new Error('No template or template name provided to render'));
+    }
 
-  /**
-   * Compile a template to an invokable function.
-   * If `name` is provided, also registers the template under `name`.
-   * @param source {String} template source
-   * @param [name] {String} template name
-   * @return {Function} has the signature `fn(context, cb)`
-   */
-  dust.compileFn = function(source, name) {
-    name = name || null;
-    var tmpl = dust.loadSource(dust.compile(source, name));
-    return function(context, callback) {
-      var master = callback ? new Stub(callback) : new Stream();
-      dust.nextTick(function() {
-        if(typeof tmpl === 'function') {
-          tmpl(master.head, Context.wrap(context, name)).end();
-        } else {
-          dust.log(new Error('Template `' + name + '` could not be loaded'), ERROR);
-        }
-      });
-      return master;
-    };
-  };
+    if(!dust.config.cache) {
+      dust.cache = {};
+    }
 
-  dust.load = function(name, chunk, context) {
-    var tmpl = dust.cache[name];
+    var tmpl;
+    if(typeof nameOrTemplate === 'function' && nameOrTemplate.template) {
+      // Sugar away CommonJS module templates
+      tmpl = nameOrTemplate.template;
+    } else if(dust.isTemplateFn(nameOrTemplate)) {
+      // Template functions passed directly
+      tmpl = nameOrTemplate;
+    } else {
+      // Load a template with this name from cache
+      tmpl = dust.cache[nameOrTemplate];
+    }
+
     if (tmpl) {
-      return tmpl(chunk, context);
+      return tmpl(chunk, Context.wrap(context, tmpl.templateName));
     } else {
       if (dust.onLoad) {
         return chunk.map(function(chunk) {
-          dust.onLoad(name, function(err, src) {
+          dust.onLoad(nameOrTemplate, function(err, src) {
             if (err) {
               return chunk.setError(err);
             }
-            if (!dust.cache[name]) {
-              dust.loadSource(dust.compile(src, name));
+            if (!dust.cache[nameOrTemplate]) {
+              dust.loadSource(dust.compile(src, nameOrTemplate));
             }
-            dust.cache[name](chunk, context).end();
+            dust.cache[nameOrTemplate](chunk, Context.wrap(context, nameOrTemplate)).end();
           });
         });
       }
-      return chunk.setError(new Error('Template Not Found: ' + name));
+      return chunk.setError(new Error('Template Not Found: ' + nameOrTemplate));
     }
-  };
+  }
 
-  dust.loadSource = function(source, path) {
+  dust.loadSource = function(source) {
     /*jshint evil:true*/
@@ -182,5 +177,5 @@ return eval(source);
     return function(callback) {
-      setTimeout(callback,0);
+      setTimeout(callback, 0);
     };
-  } )();
+  })();
 
@@ -220,2 +215,7 @@ /**
 
+  dust.isTemplateFn = function(elem) {
+    return typeof elem === 'function' &&
+           elem.__dustBody;
+  };
+
   /**
@@ -232,2 +232,12 @@ * Decide somewhat-naively if something is a Thenable.
 
+  /**
+   * Decide very naively if something is a Stream.
+   * @param elem {*} object to inspect
+   * @return {Boolean} is `elem` a Stream?
+   */
+  dust.isStreamable = function(elem) {
+    return elem &&
+           typeof elem.on === 'function';
+  };
+
   // apply the filter chain and return the output string
@@ -273,2 +283,5 @@ dust.filter = function(string, auto, filters) {
   function Context(stack, global, blocks, templateName) {
+    if(stack !== undefined && !(stack instanceof Stack)) {
+      stack = new Stack(stack);
+    }
     this.stack = stack;
@@ -281,3 +294,3 @@ this.global = global;
   dust.makeBase = function(global) {
-    return new Context(new Stack(), global);
+    return new Context(undefined, global);
   };
@@ -301,3 +314,3 @@
     }
-    return new Context(new Stack(context), {}, null, name);
+    return new Context(context, {}, null, name);
   };
@@ -363,6 +376,7 @@
 
+        // Try looking in the global context if we haven't found anything yet
         if (value !== undefined) {
           ctx = value;
         } else {
-          ctx = this.global ? this.global[first] : undefined;
+          ctx = this.global && this.global[first];
         }
@@ -414,3 +428,7 @@ } else if (ctx) {
   Context.prototype.push = function(head, idx, len) {
-    return new Context(new Stack(head, this.stack, idx, len), this.global, this.blocks, this.getTemplateName());
+    if(head === undefined) {
+      dust.log("Not pushing an undefined variable onto the context", INFO);
+      return this;
+    }
+    return this.rebase(new Stack(head, this.stack, idx, len));
   };
@@ -425,3 +443,3 @@
   Context.prototype.rebase = function(head) {
-    return new Context(new Stack(head), this.global, this.blocks, this.getTemplateName());
+    return new Context(head, this.global, this.blocks, this.getTemplateName());
   };
@@ -439,3 +457,3 @@
 
-  Context.prototype.getBlock = function(key, chk, ctx) {
+  Context.prototype.getBlock = function(key) {
     var blocks, len, fn;
@@ -488,6 +506,6 @@
     chunk = new Chunk().render(body, this);
-    if(!body.__dustBody) {
-      return chunk;
+    if(chunk instanceof Chunk) {
+      return chunk.data.join(''); // ie7 perf
     }
-    return chunk.data.join(''); // ie7 perf
+    return chunk;
   };
@@ -533,2 +551,5 @@
 
+  /**
+   * Creates an interface sort of like a Streams2 ReadableStream.
+   */
   function Stream() {
@@ -546,2 +567,3 @@ this.head = new Chunk(this);
         this.emit('error', chunk.error);
+        this.emit('end');
         dust.log('Streaming failed with error `' + chunk.error + '`', ERROR);
@@ -559,2 +581,7 @@ this.flush = EMPTY_FUNC;
 
+  /**
+   * Executes listeners for `type` by passing data. Note that this is different from a
+   * Node stream, which can pass an arbitrary number of arguments
+   * @return `true` if event had listeners, `false` otherwise
+   */
   Stream.prototype.emit = function(type, data) {
@@ -567,3 +594,3 @@ var events = this.events || {},
       dust.log('Stream broadcasting, but no listeners for `' + type + '`', DEBUG);
-      return;
+      return false;
     }
@@ -575,2 +602,3 @@
     }
+    return true;
   };
@@ -590,5 +618,32 @@
 
+  /**
+   * Pipes to a WritableStream. Note that backpressure isn't implemented,
+   * so we just write as fast as we can.
+   * @param stream {WritableStream}
+   * @return self
+   */
   Stream.prototype.pipe = function(stream) {
+    if(typeof stream.write !== 'function' ||
+       typeof stream.end !== 'function') {
+      dust.log('Incompatible stream passed to `pipe`', WARN);
+      return this;
+    }
+
+    var destEnded = false;
+
+    if(typeof stream.emit === 'function') {
+      stream.emit('pipe', this);
+    }
+
+    if(typeof stream.on === 'function') {
+      stream.on('error', function() {
+        destEnded = true;
+      });
+    }
+
     return this
     .on('data', function(data) {
+      if(destEnded) {
+        return;
+      }
       try {
@@ -601,10 +656,11 @@ stream.write(data, 'utf8');
     .on('end', function() {
+      if(destEnded) {
+        return;
+      }
       try {
         stream.end();
+        destEnded = true;
       } catch (err) {
         dust.log(err, ERROR);
       }
-    })
-    .on('error', function(err) {
-      stream.error(err);
     });
@@ -680,6 +736,10 @@ };
         return elem;
+      } else {
+        return this.reference(elem, context, auto, filters);
       }
     }
     if (dust.isThenable(elem)) {
-      return this.await(elem, context);
+      return this.await(elem, context, null, auto, filters);
+    } else if (dust.isStreamable(elem)) {
+      return this.stream(elem, context, null, auto, filters);
     } else if (!dust.isEmpty(elem)) {
@@ -698,3 +758,3 @@ return this.write(dust.filter(elem, auto, filters));
 
-    if (typeof elem === 'function' && !elem.__dustBody) {
+    if (typeof elem === 'function' && !dust.isTemplateFn(elem)) {
       try {
@@ -728,7 +788,7 @@ elem = elem.apply(context.current(), [this, context, bodies, params]);
           if(context.stack.head) {
-            context.stack.head['$len'] = len;
+            context.stack.head.$len = len;
           }
           for (i = 0; i < len; i++) {
             if(context.stack.head) {
-              context.stack.head['$idx'] = i;
+              context.stack.head.$idx = i;
             }
@@ -738,4 +798,4 @@ chunk = body(chunk, context.push(elem[i], i, len));
           if(context.stack.head) {
-            context.stack.head['$idx'] = undefined;
-            context.stack.head['$len'] = undefined;
+            context.stack.head.$idx = undefined;
+            context.stack.head.$len = undefined;
           }
@@ -750,2 +810,4 @@ return chunk;
       return this.await(elem, context, bodies);
+    } else if (dust.isStreamable(elem)) {
+      return this.stream(elem, context, bodies);
     } else if (elem === true) {
@@ -811,22 +873,22 @@ // true is truthy but does not change context
 
-  Chunk.prototype.partial = function(elem, context, params) {
+  Chunk.prototype.partial = function(elem, context, partialContext, params) {
     var head;
 
     if (!dust.isEmptyObject(params)) {
-      context = context.clone();
-      head = context.pop();
-      context = context.push(params)
-                       .push(head);
+      partialContext = partialContext.clone();
+      head = partialContext.pop();
+      partialContext = partialContext.push(params)
+                                     .push(head);
     }
 
-    if (elem.__dustBody) {
+    if (dust.isTemplateFn(elem)) {
       // 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) {
-        context.templateName = name;
-        dust.load(name, chunk, context).end();
+        partialContext.templateName = name;
+        load(name, chunk, partialContext).end();
       });
     } else {
-      context.templateName = elem;
-      return dust.load(elem, this, context);
+      partialContext.templateName = elem;
+      return load(elem, this, partialContext);
     }
@@ -863,3 +925,3 @@ };
    */
-  Chunk.prototype.await = function(thenable, context, bodies) {
+  Chunk.prototype.await = function(thenable, context, bodies, auto, filters) {
     var body = bodies && bodies.block,
@@ -872,3 +934,3 @@ errorBody = bodies && bodies.error;
         } else {
-          chunk.end(data);
+          chunk.reference(data, context, auto, filters).end();
         }
@@ -886,2 +948,55 @@ }, function(err) {
 
+  /**
+   * Reserve a chunk to be evaluated with the contents of a streamable.
+   * Currently an error event will bomb out the stream. Once an error
+   * is received, we push it to an {:error} block if one exists, and log otherwise,
+   * then stop listening to the stream.
+   * @param streamable {Streamable} the target streamable that will emit events
+   * @param context {Context} context to use to render each thunk
+   * @param bodies {Object} must contain a "body", may contain an "error"
+   * @return {Chunk}
+   */
+  Chunk.prototype.stream = function(stream, context, bodies, auto, filters) {
+    var body = bodies && bodies.block,
+        errorBody = bodies && bodies.error;
+    return this.map(function(chunk) {
+      var ended = false;
+      stream
+        .on('data', function data(thunk) {
+          if(ended) {
+            return;
+          }
+          if(body) {
+            // Fork a new chunk out of the blockstream so that we can flush it independently
+            chunk = chunk.map(function(chunk) {
+              chunk.render(body, context.push(thunk)).end();
+            });
+          } else {
+            // Don't fork, just write into the master async chunk
+            chunk = chunk.reference(thunk, context, auto, filters);
+          }
+        })
+        .on('error', function error(err) {
+          if(ended) {
+            return;
+          }
+          if(errorBody) {
+            chunk.render(errorBody, context.push(err));
+          } else {
+            dust.log('Unhandled stream error in `' + context.getTemplateName() + '`');
+          }
+          if(!ended) {
+            ended = true;
+            chunk.end();
+          }
+        })
+        .on('end', function end() {
+          if(!ended) {
+            ended = true;
+            chunk.end();
+          }
+        });
+    });
+  };
+
   Chunk.prototype.capture = function(body, context, callback) {
@@ -888,0 +1003,0 @@ return this.map(function(chunk) {

package.json

 {
   "name": "dustjs-linkedin",
-  "title": "Dust - Asynchronous Templating",
-  "version": "2.6.2",
+  "version": "2.7.0",
   "author": {
@@ -9,4 +8,4 @@ "name": "Aleksander Williams",
   },
-  "homepage": "http://linkedin.github.io/dustjs/",
-  "description": "Asynchronous templates for the browser and node.js ( LinkedIn fork )",
+  "homepage": "http://dustjs.com/",
+  "description": "Asynchronous templates for the browser and server (LinkedIn fork)",
   "contributors": [
@@ -44,3 +43,3 @@ "Veena Basavaraj <[e-mail]>",
   "dependencies": {
-    "chokidar": "~1.0.0-rc4",
+    "chokidar": "~1.0.0",
     "cli": "~0.6.5"
@@ -61,5 +60,7 @@ },
     "grunt-gh-pages": "~0.10.0",
+    "grunt-github-changes": "~0.0.6",
     "grunt-jasmine-nodejs": "~1.0.2",
     "grunt-shell": "~1.1.2",
     "grunt-template-jasmine-istanbul": "~0.3.3",
+    "highland": "2.4.0",
     "pegjs": "0.8.0"
@@ -69,4 +70,4 @@ },
   "engine": {
-    "node": ">=0.8"
+    "node": ">=0.10"
   }
 }

README.md

@@ -8,3 +8,3 @@ # Dust.js [![Build Status](https://secure.travis-ci.org/linkedin/dustjs.png)](http://travis-ci.org/linkedin/dustjs)
 
-    npm install --save dustjs-linkedin
+    npm install --save --production dustjs-linkedin
     # If you want the dustc compiler available globally
@@ -15,4 +15,4 @@ npm install -g dustjs-linkedin
 
-    npm install --save dustjs-helpers
-    npm install --save dustjs-filters-secure
+    npm install --save --production dustjs-helpers
+    npm install --save --production dustjs-filters-secure
 
@@ -19,0 +19,0 @@ ### Bower

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Fixed alerts

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This package contains minified code. This may be harmless in some cases where minified code is included in packaged libraries, however packages on npm should not minify code.

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Improved metrics

Total package byte prevSize

700719

increased by1.55%

Lines of code

17787

increased by1.34%

Number of low supply chain risk alerts

23

decreased by-32.35%

Worsened metrics

Dev dependency count

18

increased by12.5%

Number of package files

69

decreased by-18.82%

Number of medium supply chain risk alerts

10

increased by25%

Dependency changes

• Updatedchokidar@~1.0.0