fire bundle-invalid, documentation, added noWrite option

README.md

@@ -399,7 +399,22 @@ You can also save this options object in a JSON file and use it with the shell c
 
  events: new EventEmitter(), // default: new EventEmitter()
  // EventEmitter on which events for the compile process are fired
- // events: "bundle", "module", "context", "task", "task-end"
+ // events:
+ //  -- bundling process --
+ //  "bundle"           (stats) the bundle is finished
+ //  "bundle-invalid"   () fired when the bundle gets invalid
+ //         [bundle-invalid is only fired in watch mode]
+ //  "start-writing"    (hash) fired when webpack starts writing
+ //  -- events for dependencies --
+ //  "module"           (module, filename) before a module is loaded
+ //  "context"          (module, dirname) before a context is loaded
+ //  "dependency"       (filename) before a dependency is loaded
+ //  -- events for progress --
+ //  "task"             (name?) start of a task
+ //  "task-end"         (name?) end of a task
+
+ noWrite: true, // default: undefined
+ // if true webpack do not write out any file
 
  parse: {
   // options for parsing

lib/webpack.js

@@ -150,6 +150,8 @@ module.exports = function(context, moduleName, options, callback) {
 
 		// Start the timeout again
 		function startAgain() {
+			if(!isWaiting)
+				options.events.emit("bundle-invalid");
 			isWaiting = true;
 			if(timeout)
 				clearTimeout(timeout);
@@ -161,6 +163,7 @@ module.exports = function(context, moduleName, options, callback) {
 
 				runAgain = false;
 				isRunning = true;
+				isWaiting = false;
 
 				// compile
 				webpack(context, moduleName, options, callback);
@@ -226,7 +229,7 @@ function webpack(context, moduleName, options, callback) {
 	options.internal.subStats = subStats;
 
 	// Some status info
-	options.events.emit("task", "create ouput directory");
+	if(!options.noWrite) options.events.emit("task", "create ouput directory");
 	options.events.emit("task", "prepare chunks");
 	options.events.emit("task", "statistics");
 
@@ -346,6 +349,9 @@ function webpack(context, moduleName, options, callback) {
 				options.emitFile(filename, buffer, true);
 			});
 			options.events.emit("task-end", "prepare chunks");
+
+			if(options.noWrite) return writingFinished();
+
 			options.events.emit("start-writing", hash);
 
 			// recursive create dir

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "webpack",
-	"version": "0.5.7",
+	"version": "0.5.8",
 	"author": "Tobias Koppers @sokra",
 	"description": "Packs CommonJs/AMD Modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loading of js, json, jade, coffee, css, ... out of the box and more with custom loaders.",
 	"dependencies": {