implement keep_fargs for mangle (#5307)

closes #4657
2022-01-20 21:13:26 +00:00
parent efed55f42d
commit e24b255350
20 changed files with 507 additions and 267 deletions
--- a/test/compress/keep_fargs.js
+++ b/test/compress/keep_fargs.js
@@ -925,6 +925,28 @@ duplicate_lambda_defun_name_2: {
    expect_stdout: "0"
 }

+function_argument_mangle: {
+    mangle = {
+        keep_fargs: true,
+        toplevel: true,
+    }
+    input: {
+        A = "PASS";
+        var a = A;
+        (function(o) {
+            console.log(a);
+        })("FAIL");
+    }
+    expect: {
+        A = "PASS";
+        var n = A;
+        (function(o) {
+            console.log(n);
+        })("FAIL");
+    }
+    expect_stdout: "PASS"
+}
+
 function_name_mangle: {
    options = {
        keep_fargs: false,