enhance collapse_vars (#5268)

2022-01-06 21:13:37 +00:00
parent d46eb69320
commit 10a1523ee6
4 changed files with 119 additions and 29 deletions
--- a/test/compress/assignments.js
+++ b/test/compress/assignments.js
@@ -530,6 +530,25 @@ logical_collapse_vars_2: {
    node_version: ">=15"
 }

+logical_collapse_vars_3: {
+    options = {
+        collapse_vars: true,
+    }
+    input: {
+        var a = 6;
+        a *= 7;
+        a ??= "FAIL";
+        console.log(a);
+    }
+    expect: {
+        var a = 6;
+        a = a * 7 ?? "FAIL";
+        console.log(a);
+    }
+    expect_stdout: "42"
+    node_version: ">=15"
+}
+
 logical_reduce_vars: {
    options = {
        evaluate: true,