diff options
| -rw-r--r-- | lib/compress.js | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/lib/compress.js b/lib/compress.js index 5a6adcd5..216826d6 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -625,7 +625,18 @@ merge(Compressor.prototype, { var e = this.expression; switch (this.operator) { case "!": return !ev(e); - case "typeof": return typeof ev(e); + case "typeof": + // Function would be evaluated to an array and so typeof would + // incorrectly return 'object'. Hence making is a special case. + if (e instanceof AST_Function) return typeof function(){}; + + e = ev(e); + + // typeof <RegExp> returns "object" or "function" on different platforms + // so cannot evaluate reliably + if (e instanceof RegExp) throw def; + + return typeof e; case "void": return void ev(e); case "~": return ~ev(e); case "-": |