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authorAlex Lam S.L <alexlamsl@gmail.com>2021-01-16 08:55:10 +0000
committerGitHub <noreply@github.com>2021-01-16 16:55:10 +0800
commit8d2151662355a05f1e2fde864168cfddd8eedcda (patch)
tree801af807b89d09b1b1d195987c48f4c81c35a090 /test/compress
parent74368c3dba66ce4c3d09f0a243a7a6eb55e9d85e (diff)
downloadtracifyjs-8d2151662355a05f1e2fde864168cfddd8eedcda.tar.gz
tracifyjs-8d2151662355a05f1e2fde864168cfddd8eedcda.zip
fix corner cases in `reduce_vars` (#4561)
fixes #4560
Diffstat (limited to 'test/compress')
-rw-r--r--test/compress/spreads.js72
1 files changed, 72 insertions, 0 deletions
diff --git a/test/compress/spreads.js b/test/compress/spreads.js
index 7c98fdcd..7eac2482 100644
--- a/test/compress/spreads.js
+++ b/test/compress/spreads.js
@@ -846,3 +846,75 @@ issue_4556: {
expect_stdout: "undefined"
node_version: ">=6"
}
+
+issue_4560_1: {
+ options = {
+ evaluate: true,
+ reduce_vars: true,
+ toplevel: true,
+ }
+ input: {
+ var a = 0;
+ (function(...{
+ [a++]: {},
+ }) {})(2);
+ console.log(a);
+ }
+ expect: {
+ var a = 0;
+ (function(...{
+ [a++]: {},
+ }) {})(2);
+ console.log(a);
+ }
+ expect_stdout: "1"
+ node_version: ">=6"
+}
+
+issue_4560_2: {
+ options = {
+ reduce_vars: true,
+ toplevel: true,
+ unused: true,
+ }
+ input: {
+ var a = 0;
+ (function(...{
+ [a++]: {},
+ }) {})(2);
+ console.log(a);
+ }
+ expect: {
+ var a = 0;
+ (function(...{
+ [a++]: {},
+ }) {})(2);
+ console.log(a);
+ }
+ expect_stdout: "1"
+ node_version: ">=6"
+}
+
+issue_4560_3: {
+ options = {
+ collapse_vars: true,
+ reduce_vars: true,
+ toplevel: true,
+ }
+ input: {
+ var a = 0, b;
+ [ ...{
+ [a++]: b,
+ } ] = [ "PASS" ];
+ console.log(b);
+ }
+ expect: {
+ var a = 0, b;
+ [ ...{
+ [a++]: b,
+ } ] = [ "PASS" ];
+ console.log(b);
+ }
+ expect_stdout: "PASS"
+ node_version: ">=6"
+}