improve usability of `global_defs` in `minify()` (#1987)

Use `@key` to `parse()` string value as `AST_Node`.

fixes #1986

1 files changed, 14 insertions, 0 deletions

diff --git a/test/compress/global_defs.js b/test/compress/global_defs.js
index bfd1d5f6..d784d335 100644
--- a/test/compress/global_defs.js
+++ b/test/compress/global_defs.js
@@ -160,3 +160,17 @@ issue_1801: {
         console.log(!0);
     }
 }
+
+issue_1986: {
+    options = {
+        global_defs: {
+            "@alert": "console.log",
+        },
+    }
+    input: {
+        alert(42);
+    }
+    expect: {
+        console.log(42);
+    }
+}