fix(minifier): do not join require calls for cjs-module-lexer (#4875)

crates/oxc_ast/src/ast_impl/js.rs

@@ -285,6 +285,14 @@ impl<'a> Expression<'a> {
             _ => false,
         }
     }
+
+    pub fn is_require_call(&self) -> bool {
+        if let Self::CallExpression(call_expr) = self {
+            call_expr.is_require_call()
+        } else {
+            false
+        }
+    }
 }
 
 impl<'a> IdentifierName<'a> {

crates/oxc_minifier/src/ast_passes/collapse.rs

@@ -43,6 +43,15 @@ impl<'a> Collapse<'a> {
                 Statement::VariableDeclaration(prev_decl),
             ) = (cur, prev)
             {
+                // Do not join `require` calls for cjs-module-lexer.
+                if cur_decl
+                    .declarations
+                    .first()
+                    .and_then(|d| d.init.as_ref())
+                    .is_some_and(Expression::is_require_call)
+                {
+                    break;
+                }
                 if cur_decl.kind == prev_decl.kind {
                     if i - 1 != range.end {
                         range.start = i - 1;

crates/oxc_minifier/tests/ast_passes/collapse_variable_declarations.rs

@@ -0,0 +1,25 @@
+//! <https://github.com/google/closure-compiler/blob/master/test/com/google/javascript/jscomp/CollapseVariableDeclarations.java>
+
+use crate::CompressOptions;
+
+fn test(source_text: &str, expected: &str) {
+    let options = CompressOptions::all_true();
+    crate::test(source_text, expected, options);
+}
+
+fn test_same(source_text: &str) {
+    test(source_text, source_text);
+}
+
+#[test]
+fn cjs() {
+    // Do not join `require` calls for cjs-module-lexer.
+    test_same(
+        "
+    Object.defineProperty(exports, '__esModule', { value: true });
+    var compilerDom = require('@vue/compiler-dom');
+    var runtimeDom = require('@vue/runtime-dom');
+    var shared = require('@vue/shared');
+    ",
+    );
+}

crates/oxc_minifier/tests/ast_passes/mod.rs

@@ -1,3 +1,4 @@
+mod collapse_variable_declarations;
 mod fold_conditions;
 mod fold_constants;
 mod remove_dead_code;