fix: image source should be buffer (#12176)

* chore: test case

* fix: rspack_sources cached source bug

Author: SyMind

Cargo.lock

@@ -83,7 +83,7 @@ regex-syntax        = { version = "0.8.5", default-features = false, features =
 regress             = { version = "0.10.4", default-features = false, features = ["pattern"] }
 ropey               = { version = "1.6.1", default-features = false }
 rspack_resolver     = { features = ["package_json_raw_json_api", "yarn_pnp"], version = "0.6.4", default-features = false }
-rspack_sources      = { version = "=0.4.15", default-features = false }
+rspack_sources      = { version = "=0.4.17", default-features = false }
 rustc-hash          = { version = "2.1.0", default-features = false }
 ryu-js              = { version = "1.0.2", default-features = false }
 scopeguard          = { version = "1.2.0", default-features = false }
@@ -92,7 +92,7 @@ serde_json          = { version = "1.0.145", default-features = false, features
 sftrace-setup       = { version = "0.1.0", default-features = false }
 sha2                = { version = "0.10.8", default-features = false }
 signal-hook         = { version = "0.3.18", default-features = false, features = ["iterator"] }
-simd-json           = { version = "0.14.3", default-features = false }
+simd-json           = { version = "0.17.0", default-features = false }
 smol_str            = { version = "0.3.0", default-features = false }
 stacker             = { version = "0.1.17", default-features = false }
 sugar_path          = { version = "1.2.0", default-features = false, features = ["cached_current_dir"] }

Cargo.toml

@@ -0,0 +1 @@
+import "./logo.png";

tests/rspack-test/configCases/process-assets/image/index.js

@@ -0,0 +1,27 @@
+/**
+ * @type {import('@rspack/core').RspackOptions}
+ */
+module.exports = {
+    context: __dirname,
+    module: {
+        rules: [
+            {
+                test: /\.png$/,
+                type: "asset"
+            },
+        ]
+    },
+    plugins: [
+        compiler => {
+            compiler.hooks.compilation.tap("PLUGIN", compilation => {
+                compilation.hooks.processAssets.tap("PLUGIN", assets => {
+                    for (const name in assets) {
+                        if (name.endsWith("png")) {
+                            expect(assets[name].source()).toBeInstanceOf(Buffer);
+                        }
+                    }
+                })
+            })
+        }
+    ]
+};