wait at least to the next second webpack#122

sokra · sokra · commit e4bbcc53a558 · 2013-11-26T16:19:06.000+01:00
diff --git a/lib/node/NodeWatchFileSystem.js b/lib/node/NodeWatchFileSystem.js
@@ -30,6 +30,8 @@ NodeWatchFileSystem.prototype.watch = function(files, dirs, startTime, delay, ca
 	var filesModified = {};
 	var dirsModified = {};
 
+	var lastChangeTime;
+
 	startTime = Math.floor(startTime / 1000) * 1000; // only 1 second accuracy
 
 	var directories = {};
@@ -170,6 +172,7 @@ NodeWatchFileSystem.prototype.watch = function(files, dirs, startTime, delay, ca
 
 			callbackUndelayed();
 			if(delay) {
+				lastChangeTime = Date.now();
 				change = restartDelay;
 				timeout = setTimeout(onTimeout, delay);
 			} else onTimeout();
@@ -180,6 +183,7 @@ NodeWatchFileSystem.prototype.watch = function(files, dirs, startTime, delay, ca
 
 				callbackUndelayed();
 				if(delay) {
+					lastChangeTime = Date.now();
 					change = restartDelay;
 					timeout = setTimeout(onTimeout, delay);
 				} else {
@@ -191,6 +195,7 @@ NodeWatchFileSystem.prototype.watch = function(files, dirs, startTime, delay, ca
 		}
 
 		function restartDelay() {
+			lastChangeTime = Date.now();
 			clearTimeout(timeout);
 			timeout = setTimeout(onTimeout, delay);
 		}
@@ -199,6 +204,12 @@ NodeWatchFileSystem.prototype.watch = function(files, dirs, startTime, delay, ca
 
 	// 7.
 	function onTimeout() {
+		var nextSecond = Math.ceil(lastChangeTime / 1000) * 1000;
+		var timeToNextSecond = nextSecond - Date.now();
+		if(timeToNextSecond > 0) {
+			setTimeout(onTimeout, timeToNextSecond);
+			return;
+		}
 		change = function() {};
 		if(closed) return;
 		var outdatedFiles = Object.keys(filesModified).sort();
