fix: umd should be import as cjs

crates/mako/src/build/transform.rs

@@ -28,6 +28,7 @@ use crate::features;
 use crate::module::ModuleAst;
 use crate::plugin::PluginTransformJsParam;
 use crate::plugins::context_module::ContextModuleVisitor;
+use crate::visitors::amd_define_overrides::amd_define_overrides;
 use crate::visitors::css_assets::CSSAssets;
 use crate::visitors::css_flexbugs::CSSFlexbugs;
 use crate::visitors::css_px2rem::Px2Rem;
@@ -246,6 +247,7 @@ impl Transform {
                                             ..Default::default()
                                         },
                                     )),
+                                    Box::new(amd_define_overrides(unresolved_mark)),
                                 ];
                                 ast.transform(
                                     &mut vec![],

crates/mako/src/generate/transform.rs

@@ -258,7 +258,6 @@ pub fn transform_js_generate(transform_js_param: TransformJsParam) -> Result<()>
                         let origin_comments = context.meta.script.origin_comments.read().unwrap();
                         let swc_comments = origin_comments.get_swc_comments();
                         ast.ast.visit_mut_with(&mut fixer(Some(swc_comments)));
-
                         Ok(())
                     })
                 })

crates/mako/src/visitors.rs

@@ -1,3 +1,4 @@
+pub(crate) mod amd_define_overrides;
 pub(crate) mod async_module;
 pub(crate) mod common_js;
 pub(crate) mod css_assets;

crates/mako/src/visitors/amd_define_overrides.rs

@@ -0,0 +1,82 @@
+use swc_core::common::{Mark, DUMMY_SP};
+use swc_core::ecma::ast::*;
+use swc_core::ecma::visit::{as_folder, Fold, VisitMut};
+
+use crate::ast::utils::is_ident_undefined;
+
+pub struct AmdDefineOverrides {
+    unresolved_mark: Mark,
+}
+
+pub fn amd_define_overrides(unresolved_mark: Mark) -> impl VisitMut + Fold {
+    as_folder(AmdDefineOverrides { unresolved_mark })
+}
+
+impl VisitMut for AmdDefineOverrides {
+    fn visit_mut_unary_expr(&mut self, node: &mut UnaryExpr) {
+        if node.op == UnaryOp::TypeOf
+            && let Some(arg_ident) = node.arg.as_ident()
+            && is_ident_undefined(arg_ident, "define", &self.unresolved_mark)
+        {
+            node.arg = Expr::undefined(DUMMY_SP)
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use swc_core::common::GLOBALS;
+    use swc_core::ecma::visit::VisitMutWith;
+
+    use super::*;
+    use crate::ast::tests::TestUtils;
+
+    #[test]
+    fn unresolve_typeof_define_change_to_undefined() {
+        let mut tu = TestUtils::gen_js_ast(
+            r#"if(typeof define ==="function" && define.amd) {
+          console.log("amd") 
+        }"#,
+        );
+        let js = tu.ast.js_mut();
+        let unresolved_mark = js.unresolved_mark;
+        GLOBALS.set(&tu.context.meta.script.globals, || {
+            js.ast
+                .visit_mut_with(&mut amd_define_overrides(unresolved_mark));
+        });
+
+        let code = tu.js_ast_to_code();
+
+        assert_eq!(
+            code,
+            r#"if (typeof void 0 === "function" && define.amd) {
+    console.log("amd");
+}"#
+        )
+    }
+
+    #[test]
+    fn id_define_is_declared() {
+        let mut tu = TestUtils::gen_js_ast(
+            r#"let define = 1; if(typeof define ==="number") {
+          console.log("number") 
+        }"#,
+        );
+        let js = tu.ast.js_mut();
+        let unresolved_mark = js.unresolved_mark;
+        GLOBALS.set(&tu.context.meta.script.globals, || {
+            js.ast
+                .visit_mut_with(&mut amd_define_overrides(unresolved_mark));
+        });
+
+        let code = tu.js_ast_to_code();
+
+        assert_eq!(
+            code,
+            r#"let define = 1;
+if (typeof define === "number") {
+    console.log("number");
+}"#
+        );
+    }
+}

e2e/fixtures/javascript.transform.amd/expect.js

@@ -0,0 +1,6 @@
+const {parseBuildResult, injectSimpleJest} = require("../../../scripts/test-utils");
+const {distDir} = parseBuildResult(__dirname);
+
+injectSimpleJest()
+require('./dist/index.js');
+

e2e/fixtures/javascript.transform.amd/mako.config.json

@@ -0,0 +1 @@
+{}

e2e/fixtures/javascript.transform.amd/src/a.ts

@@ -0,0 +1,13 @@
+// @ts-nocheck
+(function (root, definition) {
+    "use strict";
+    if (typeof define === 'function' && define.amd) {
+        define(definition);
+    } else if (typeof module === 'object' && module.exports) {
+        module.exports = definition();
+    } else {
+        root.log = definition();
+    }
+}(this, function () {
+  return 1
+}))

e2e/fixtures/javascript.transform.amd/src/index.ts

@@ -0,0 +1,6 @@
+// @ts-ignore
+import a from './a'
+
+it("amd/umd should be exports as commonjs", () => {
+  expect(a).toEqual(1)
+});