feat: Enable swc_ast_unknown for wasm plugin

.cargo/config.toml

@@ -27,3 +27,10 @@ rustflags = ["-C", "target-feature=-crt-static", "-C", "link-arg=-lgcc"]
 
 [target.armv7-unknown-linux-gnueabihf]
 linker = "arm-linux-gnueabihf-gcc"
+
+# We have not adapt this cfg for swc_ecma_minifier, which styled_jsx depends on.
+# So we have to manually enable it for all crates except styled jsx.
+# [target.'cfg(target_arch = "wasm32")']
+# rustflags = [
+#   "--cfg=swc_ast_unknown"
+# ]

.github/workflows/CI.yml

@@ -62,6 +62,25 @@ jobs:
         run: |
           pnpm test
 
+  cargo-check:
+    name: "Check (swc_ast_unknown)"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+
+      - uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: "cargo-check"
+          cache-on-failure: true
+
+      - name: Run cargo check
+        env: 
+          RUSTFLAGS: "--cfg swc_ast_unknown"
+        run: |
+          cargo check --workspace --exclude swc_plugin_styled_jsx --exclude styled_jsx
+
   cargo-test:
     strategy:
       fail-fast: false
@@ -128,6 +147,7 @@ jobs:
   done:
     needs:
       - npm-test
+      - cargo-check
       - cargo-test
     if: >-
       ${{ always() }}

contrib/mut-cjs-exports/Cargo.toml

@@ -28,3 +28,6 @@ swc_core = { workspace = true, features = [
 [dev-dependencies]
 swc_core = { workspace = true, features = ["testing_transform", "ecma_parser"] }
 testing  = { workspace = true }
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(swc_ast_unknown)'] }

contrib/mut-cjs-exports/package.json

@@ -16,8 +16,8 @@
         "commonjs"
     ],
     "scripts": {
-        "build": "cargo build --release --target wasm32-unknown-unknown && cp ../../target/wasm32-unknown-unknown/release/swc_mut_cjs_exports.wasm .",
-        "build:debug": "cargo build --target wasm32-unknown-unknown && cp ../../target/wasm32-unknown-unknown/debug/swc_mut_cjs_exports.wasm ./swc_mut_cjs_exports_debug.wasm",
+        "build": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build --release --target wasm32-unknown-unknown && cp ../../target/wasm32-unknown-unknown/release/swc_mut_cjs_exports.wasm .",
+        "build:debug": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build --target wasm32-unknown-unknown && cp ../../target/wasm32-unknown-unknown/debug/swc_mut_cjs_exports.wasm ./swc_mut_cjs_exports_debug.wasm",
         "test": "pnpm run build:debug && jest",
         "prepack": "pnpm run build"
     },

contrib/mut-cjs-exports/src/local_export_strip.rs

@@ -117,6 +117,8 @@ impl VisitMut for LocalExportStrip {
                         _ => list.push(module_decl.into()),
                     };
                 }
+                #[cfg(swc_ast_unknown)]
+                _ => panic!("unknown node"),
             };
         }
 
@@ -186,6 +188,8 @@ impl VisitMut for LocalExportStrip {
                     ModuleExportName::Str(_) => {
                         unreachable!(r#"`export {{ "foo" }}` without src is invalid"#)
                     }
+                    #[cfg(swc_ast_unknown)]
+                    _ => panic!("unknown node"),
                 };
 
                 if let Some(exported) = exported {
@@ -198,14 +202,19 @@ impl VisitMut for LocalExportStrip {
                             },
                             span,
                         ),
+                        #[cfg(swc_ast_unknown)]
+                        _ => panic!("unknown node"),
                     };
 
                     (export_name, ExportItem::new(export_name_span, orig))
                 } else {
                     (orig.sym.clone(), ExportItem::new(orig.span, orig))
                 }
             }
+            #[cfg(swc_ast_unknown)]
+            _ => panic!("unknown node"),
         }))
+
     }
 
     /// ```javascript
@@ -236,6 +245,8 @@ impl VisitMut for LocalExportStrip {
                 }
             }
             DefaultDecl::TsInterfaceDecl(_) => {}
+            #[cfg(swc_ast_unknown)]
+            _ => panic!("unknown node"),
         }
     }
 

contrib/mut-cjs-exports/src/utils.rs

@@ -133,6 +133,8 @@ pub(crate) fn key_from_export_name(n: &ModuleExportName) -> (Atom, Span) {
             },
             s.span,
         ),
+        #[cfg(swc_ast_unknown)]
+        _ => panic!("unknown node"),
     }
 }
 
@@ -143,6 +145,8 @@ pub(crate) fn local_ident_from_export_name(n: ModuleExportName) -> Ident {
             Some(s) => s.clone(),
             None => panic!("non-utf8 export name: {:?}", s.value),
         },
+        #[cfg(swc_ast_unknown)]
+        _ => panic!("unknown node"),
     };
 
     match Ident::verify_symbol(&name) {

packages/emotion/package.json

@@ -5,8 +5,8 @@
   "main": "swc_plugin_emotion.wasm",
   "scripts": {
     "prepack": "pnpm run build",
-    "build": "cargo build --release -p swc_plugin_emotion --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_emotion.wasm .",
-    "build:debug": "cargo build -p swc_plugin_emotion --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_emotion.wasm .",
+    "build": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build --release -p swc_plugin_emotion --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_emotion.wasm .",
+    "build:debug": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build -p swc_plugin_emotion --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_emotion.wasm .",
     "test": "pnpm run build:debug && vitest run --testTimeout=0"
   },
   "homepage": "https://swc.rs",

packages/emotion/transform/Cargo.toml

@@ -38,3 +38,6 @@ swc_ecma_parser             = { workspace = true }
 swc_ecma_transforms_react   = { workspace = true }
 swc_ecma_transforms_testing = { workspace = true }
 testing                     = { workspace = true }
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(swc_ast_unknown)'] }

packages/emotion/transform/src/lib.rs

@@ -291,6 +291,8 @@ impl<'a, C: Comments> EmotionTransformer<'a, C> {
                                         ModuleExportName::Str(v) => {
                                             v.value.as_str() == Some(exported.name.as_str())
                                         }
+                                        #[cfg(swc_ast_unknown)]
+                                        _ => panic!("unknown node"),
                                     },
                                     _ => named.local.as_ref() == exported.name,
                                 };
@@ -312,6 +314,8 @@ impl<'a, C: Comments> EmotionTransformer<'a, C> {
                             self.import_packages
                                 .insert(namespace.local.to_id(), PackageMeta::Namespace(c.clone()));
                         }
+                        #[cfg(swc_ast_unknown)]
+                        _ => panic!("unknown node"),
                     }
                 }
             }

packages/formatjs/package.json

@@ -9,8 +9,8 @@
   "main": "swc_plugin_formatjs.wasm",
   "scripts": {
     "prepack": "pnpm run build",
-    "build": "cargo build --release -p swc_plugin_formatjs --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_formatjs.wasm .",
-    "build:debug": "cargo build -p swc_plugin_formatjs --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_formatjs.wasm .",
+    "build": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build --release -p swc_plugin_formatjs --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_formatjs.wasm .",
+    "build:debug": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build -p swc_plugin_formatjs --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_formatjs.wasm .",
     "test": "pnpm run build:debug && vitest run --testTimeout=0"
   },
   "homepage": "https://swc.rs",

packages/formatjs/transform/Cargo.toml

@@ -32,3 +32,6 @@ swc_icu_messageformat_parser = { features = [
 
 [dev-dependencies]
 pretty_assertions = { workspace = true }
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(swc_ast_unknown)'] }

packages/formatjs/transform/src/lib.rs

@@ -89,6 +89,8 @@ fn get_message_descriptor_key_from_jsx(name: &JSXAttrName) -> &str {
     match name {
         JSXAttrName::Ident(name)
         | JSXAttrName::JSXNamespacedName(JSXNamespacedName { name, .. }) => &name.sym,
+        #[cfg(swc_ast_unknown)]
+        _ => panic!("unknown node"),
     }
 
     // NOTE: Do not support evaluatePath()

packages/jest/package.json

@@ -9,8 +9,8 @@
   "main": "swc_plugin_jest.wasm",
   "scripts": {
     "prepack": "pnpm run build",
-    "build": "cargo build --release -p swc_plugin_jest --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_jest.wasm .",
-    "build:debug": "cargo build -p swc_plugin_jest --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_jest.wasm .",
+    "build": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build --release -p swc_plugin_jest --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_jest.wasm .",
+    "build:debug": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build -p swc_plugin_jest --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_jest.wasm .",
     "test": "pnpm run build:debug && vitest run --testTimeout=0"
   },
   "homepage": "https://swc.rs",

packages/loadable-components/package.json

@@ -9,8 +9,8 @@
   "main": "swc_plugin_loadable_components.wasm",
   "scripts": {
     "prepack": "pnpm run build",
-    "build": "cargo build --release -p swc_plugin_loadable_components --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_loadable_components.wasm .",
-    "build:debug": "cargo build -p swc_plugin_loadable_components --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_loadable_components.wasm .",
+    "build": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build --release -p swc_plugin_loadable_components --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_loadable_components.wasm .",
+    "build:debug": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build -p swc_plugin_loadable_components --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_loadable_components.wasm .",
     "test": "pnpm run build:debug && vitest run --testTimeout=0"
   },
   "homepage": "https://swc.rs",

packages/noop/package.json

@@ -8,7 +8,7 @@
   "description": "Noop SWC plugin, for debugging",
   "main": "swc_plugin_noop.wasm",
   "scripts": {
-    "prepack": "cargo build --release -p swc_plugin_noop --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_noop.wasm ."
+    "prepack": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build --release -p swc_plugin_noop --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_noop.wasm ."
   },
   "homepage": "https://swc.rs",
   "repository": {

packages/prefresh/package.json

@@ -9,8 +9,8 @@
   "main": "swc_plugin_prefresh.wasm",
   "scripts": {
     "prepack": "pnpm run build",
-    "build": "cargo build --release -p swc_plugin_prefresh --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_prefresh.wasm .",
-    "build:debug": "cargo build -p swc_plugin_prefresh --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_prefresh.wasm .",
+    "build": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build --release -p swc_plugin_prefresh --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_prefresh.wasm .",
+    "build:debug": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build -p swc_plugin_prefresh --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_prefresh.wasm .",
     "test": "pnpm run build:debug && vitest run --testTimeout=0"
   },
   "homepage": "https://swc.rs",

packages/prefresh/transform/Cargo.toml

@@ -25,3 +25,6 @@ swc_ecma_parser             = { workspace = true }
 swc_ecma_transforms_base    = { workspace = true }
 swc_ecma_transforms_testing = { workspace = true }
 testing                     = { workspace = true }
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(swc_ast_unknown)'] }

packages/prefresh/transform/src/lib.rs

@@ -105,6 +105,8 @@ impl VisitMut for PrefreshPlugin {
                         let name = match imported {
                             ModuleExportName::Ident(ident) => &ident.sym,
                             ModuleExportName::Str(s) => &s.value.to_atom_lossy(),
+                            #[cfg(swc_ast_unknown)]
+                            _ => panic!("unknown node"),
                         };
                         if name == "createContext" {
                             self.local.insert(spec.local.to_id());
@@ -116,6 +118,8 @@ impl VisitMut for PrefreshPlugin {
                 ImportSpecifier::Namespace(spec) => {
                     self.lib_local.insert(spec.local.to_id());
                 }
+                #[cfg(swc_ast_unknown)]
+                _ => panic!("unknown node"),
             }
         }
     }

packages/react-remove-properties/package.json

@@ -9,8 +9,8 @@
   "main": "swc_plugin_react_remove_properties.wasm",
   "scripts": {
     "prepack": "pnpm run build",
-    "build": "cargo build --release -p swc_plugin_react_remove_properties --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_react_remove_properties.wasm .",
-    "build:debug": "cargo build -p swc_plugin_react_remove_properties --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_react_remove_properties.wasm .",
+    "build": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build --release -p swc_plugin_react_remove_properties --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_react_remove_properties.wasm .",
+    "build:debug": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build -p swc_plugin_react_remove_properties --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_react_remove_properties.wasm .",
     "test": "pnpm run build:debug && vitest run --testTimeout=0"
   },
   "homepage": "https://swc.rs",

packages/relay/package.json

@@ -10,8 +10,8 @@
   "types": "./types.d.ts",
   "scripts": {
     "prepack": "pnpm run build",
-    "build": "cargo build --release -p swc_plugin_relay --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_relay.wasm .",
-    "build:debug": "cargo build -p swc_plugin_relay --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_relay.wasm .",
+    "build": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build --release -p swc_plugin_relay --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_relay.wasm .",
+    "build:debug": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build -p swc_plugin_relay --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_relay.wasm .",
     "test": "pnpm run build:debug && vitest run --testTimeout=0"
   },
   "homepage": "https://swc.rs",

packages/remove-console/package.json

@@ -9,8 +9,8 @@
   "main": "swc_plugin_remove_console.wasm",
   "scripts": {
     "prepack": "pnpm run build",
-    "build": "cargo build --release -p swc_plugin_remove_console --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_remove_console.wasm .",
-    "build:debug": "cargo build -p swc_plugin_remove_console --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_remove_console.wasm .",
+    "build": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build --release -p swc_plugin_remove_console --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/release/swc_plugin_remove_console.wasm .",
+    "build:debug": "RUSTFLAGS='--cfg swc_ast_unknown' cargo build -p swc_plugin_remove_console --target wasm32-wasip1 && cp ../../target/wasm32-wasip1/debug/swc_plugin_remove_console.wasm .",
     "test": "pnpm run build:debug && vitest run --testTimeout=0"
   },
   "homepage": "https://swc.rs",