JavaScriptExample
diff --git a/‎lib/optimize/UglifyJsPlugin.js‎
Lines changed: 7 additions & 3 deletions b/‎lib/optimize/UglifyJsPlugin.js‎
Lines changed: 7 additions & 3 deletions
@@ -20,6 +20,10 @@ UglifyJsPlugin.prototype.apply = function(compiler) {
 	var options = this.options;
 	var requestShortener = this.requestShortener;
 	compiler.plugin("compilation", function(compilation) {
+		compilation.plugin("build-module", function(module) {
+			// to get detailed location info about errors
+			module.useSourceMap = true;
+		});
 		compilation.plugin("optimize-chunk-assets", function(chunks, callback) {
 			var files = [];
 			chunks.forEach(function(chunk) {
@@ -41,11 +45,11 @@ UglifyJsPlugin.prototype.apply = function(compiler) {
 						return;
 					}
 					var inputSourceMap = compilation.assets[file].map();
-					var sourceMap = new SourceMapConsumer(inputSourceMap)
+					var sourceMap = new SourceMapConsumer(inputSourceMap);
 					uglify.AST_Node.warn_function = function(warning) {
 						var match = /\[.+:([0-9]+),([0-9]+)\]/.exec(warning);
-						var line = match[1];
-						var column = match[2];
+						var line = +match[1];
+						var column = +match[2];
 						var original = sourceMap.originalPositionFor({
 							line: line,
 							column: column