JavaScriptExample
diff --git a/‎lib/SourceMapDevToolPlugin.js‎
Lines changed: 10 additions & 2 deletions b/‎lib/SourceMapDevToolPlugin.js‎
Lines changed: 10 additions & 2 deletions
@@ -82,10 +82,15 @@ class SourceMapDevToolPlugin {
 		compiler.hooks.compilation.tap("SourceMapDevToolPlugin", (compilation) => {
 			new SourceMapDevToolModuleOptionsPlugin(options).apply(compilation);
 
-			compilation.hooks.afterOptimizeChunkAssets.tap("SourceMapDevToolPlugin", chunks => {
+			compilation.hooks.afterOptimizeChunkAssets.tap({
+				name: "SourceMapDevToolPlugin",
+				context: true
+			}, (context, chunks) => {
 				const moduleToSourceNameMapping = new Map();
 				const tasks = [];
+				const reportProgress = (context && context.reportProgress) ? context.reportProgress : () => {};
 
+				reportProgress(0.0, "SourceMapDevToolPlugin generation starting");
 				chunks.forEach(chunk => {
 					chunk.files.forEach(file => {
 						if(matchObject(file)) {
@@ -155,7 +160,7 @@ class SourceMapDevToolPlugin {
 					moduleToSourceNameMapping.set(module, sourceName);
 					usedNamesSet.add(sourceName);
 				}
-				tasks.forEach(task => {
+				tasks.forEach((task, index) => {
 					const chunk = task.chunk;
 					const file = task.file;
 					const asset = task.asset;
@@ -179,6 +184,8 @@ class SourceMapDevToolPlugin {
 					}
 					const sourceMapString = JSON.stringify(sourceMap);
 					if(sourceMapFilename) {
+						let progressFloat = (1.0 / tasks.length * index).toFixed(2);
+						reportProgress(progressFloat, `Generating sourcemap for: ${sourceMapFilename}`);
 						let filename = file;
 						let query = "";
 						const idx = filename.indexOf("?");
@@ -208,6 +215,7 @@ class SourceMapDevToolPlugin {
 						);
 					}
 				});
+				reportProgress(1.0, "SourceMapDevToolPlugin has finished generating sourcemaps");
 			});
 		});
 	}