perf: when removed files we donot need rebuild the original module

crates/rspack_core/src/compiler/make/cutout/mod.rs

@@ -73,11 +73,9 @@ impl Cutout {
             if module.depends_on(&files) {
               // add module id
               force_build_modules.insert(module.identifier());
-              // process parent module id
+              // process module dependencies
               for connect in module_graph.get_incoming_connections(&module.identifier()) {
-                if let Some(original_module_identifier) = connect.original_module_identifier {
-                  force_build_modules.insert(original_module_identifier);
-                }
+                force_build_deps.insert(connect.dependency_id);
               }
             }
           }

packages/rspack-test-tools/src/processor/watch.ts

@@ -340,6 +340,8 @@ export class WatchStepProcessor<
 				resolve(stats);
 			});
 		});
+		// wait compiler to ready watch the files and diretories
+		await new Promise(resolve => setTimeout(resolve, 100));
 		copyDiff(
 			path.join(context.getSource(), this._watchOptions.stepName),
 			this._watchOptions.tempDir,

packages/rspack-test-tools/tests/watchCases/compilation/remove-module/0/index.js

@@ -0,0 +1,3 @@
+import("./foo.js").catch(() => {
+
+});

packages/rspack-test-tools/tests/watchCases/compilation/remove-module/1/errors.js

@@ -0,0 +1,3 @@
+module.exports = [
+    /Module not found: Can't resolve/
+]

packages/rspack-test-tools/tests/watchCases/compilation/remove-module/1/foo.js

@@ -0,0 +1 @@
+DELETE

packages/rspack-test-tools/tests/watchCases/compilation/remove-module/loader.js

@@ -0,0 +1,4 @@
+module.exports = function (source) {
+    this._module.buildInfo.timestamp = Date.now();
+    return source;
+}

packages/rspack-test-tools/tests/watchCases/compilation/remove-module/rspack.config.js

@@ -0,0 +1,40 @@
+const path = require("path");
+
+class Plugin {
+    apply(compiler) {
+        const moduleMap = new Map();
+
+        compiler.hooks.compilation.tap("PLUGIN", compilation => {
+            compilation.hooks.finishModules.tap("PLUGIN", modules => {
+                for (const module of modules) {
+                    if (moduleMap.has(module.resource)) {
+                        const timestamp = moduleMap.get(module.resource);
+                        // index.js only run loader by once.
+                        expect(module.buildInfo.timestamp).toBe(timestamp);
+                    } else {
+                        moduleMap.set(module.resource, module.buildInfo.timestamp);
+                    }
+                }
+            });
+        });
+    }
+}
+
+module.exports = {
+    plugins: [
+        new Plugin()
+    ],
+    module: {
+        rules: [
+            {
+                test: /\.js$/,
+                use: [
+                    {
+                        loader: path.join(__dirname, "loader.js"),
+                    }
+                ]
+            }
+        ]
+    }
+};
+