enhance side_effects (#4638)

2021-02-10 10:09:54 +00:00
parent 5ec82e5801
commit a98ec7e4df
3 changed files with 77 additions and 3 deletions
--- a/test/compress/yields.js
+++ b/test/compress/yields.js
@@ -667,6 +667,44 @@ inline_nested_yield: {
    node_version: ">=4"
 }

+drop_body: {
+    options = {
+        side_effects: true,
+        yields: true,
+    }
+    input: {
+        (function*([ , a = console.log("foo") ]) {
+            console.log("bar");
+        })([ console.log("baz") ]);
+    }
+    expect: {
+        [ [ , 0[0] = console.log("foo") ] ] = [ [ console.log("baz") ] ];
+    }
+    expect_stdout: [
+        "baz",
+        "foo",
+    ]
+    node_version: ">=6"
+}
+
+drop_unused_call: {
+    options = {
+        inline: true,
+        side_effects: true,
+        toplevel: true,
+        unused: true,
+        yields: true,
+    }
+    input: {
+        var a = function*(){}(console.log("PASS"));
+    }
+    expect: {
+        console.log("PASS");
+    }
+    expect_stdout: "PASS"
+    node_version: ">=4"
+}
+
 issue_4454_1: {
    rename = false
    options = {