fix cache invalidation in progress plugin

lib/ProgressPlugin.js

@@ -331,6 +331,7 @@ class ProgressPlugin {
 			.getItemCache("counts", null);
 
 		let cacheGetPromise;
+		let invalidatedCache = false;
 
 		compiler.hooks.beforeCompile.tap("ProgressPlugin", () => {
 			if (!cacheGetPromise) {
@@ -348,10 +349,16 @@ class ProgressPlugin {
 					}
 				);
 			}
+			invalidatedCache = false;
+		});
+
+		compiler.cache.hooks.store.tap("ProgressPlugin", () => {
+			invalidatedCache = true;
 		});
 
 		compiler.hooks.afterCompile.tapPromise("ProgressPlugin", compilation => {
-			if (compilation.compiler.isChild()) return Promise.resolve();
+			if (compilation.compiler.isChild() || !invalidatedCache)
+				return Promise.resolve();
 			return cacheGetPromise.then(async oldData => {
 				if (
 					!oldData ||

test/configCases/plugins/cache-progress-plugin/a.txt

@@ -0,0 +1 @@
+data

test/configCases/plugins/cache-progress-plugin/index.js

@@ -0,0 +1,5 @@
+import url from "./loader!!";
+
+it("should compile and run", () => {
+	expect(url).toBe("webpack:///a.txt");
+});

test/configCases/plugins/cache-progress-plugin/loader.js

@@ -0,0 +1,8 @@
+/** @type {import("../../../../").LoaderDefinitionFunction} */
+module.exports = function () {
+	const callback = this.async();
+	this.importModule("./module1", { baseUri: "webpack://" }, (err, exports) => {
+		if (err) return callback(err);
+		callback(null, `module.exports = ${JSON.stringify(exports.url)}`);
+	});
+};

test/configCases/plugins/cache-progress-plugin/module1.js

@@ -0,0 +1,3 @@
+const url = new URL("./a.txt", import.meta.url);
+
+export { url }

test/configCases/plugins/cache-progress-plugin/webpack.config.js

@@ -0,0 +1,9 @@
+const webpack = require("../../../../");
+
+/** @type {import("../../../../").Configuration} */
+module.exports = {
+	output: {
+		assetModuleFilename: "[name][ext]"
+	},
+	plugins: [new webpack.ProgressPlugin(() => {})]
+};