Revert "remove support for const (#1910)"

This reverts commit c391576d52.
2017-05-15 18:38:16 +08:00
parent ff526be61d
commit cd6e849555
20 changed files with 591 additions and 36 deletions
--- a/test/compress/global_defs.js
+++ b/test/compress/global_defs.js
@@ -120,7 +120,7 @@ mixed: {
        properties: true,
    }
    input: {
-        var FOO = { BAR: 0 };
+        const FOO = { BAR: 0 };
        console.log(FOO.BAR);
        console.log(++CONFIG.DEBUG);
        console.log(++CONFIG.VALUE);
@@ -130,7 +130,7 @@ mixed: {
        console.log(CONFIG);
    }
    expect: {
-        var FOO = { BAR: 0 };
+        const FOO = { BAR: 0 };
        console.log("moo");
        console.log(++CONFIG.DEBUG);
        console.log(++CONFIG.VALUE);