diff options
Diffstat (limited to 'lib/output.js')
| -rw-r--r-- | lib/output.js | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/lib/output.js b/lib/output.js index 61524239..990fcce4 100644 --- a/lib/output.js +++ b/lib/output.js @@ -8,6 +8,7 @@ function OutputStream(options) { ascii_only : false, inline_script : false, width : 80, + ie_proof : true, beautify : true }); @@ -262,14 +263,14 @@ function OutputStream(options) { PARENS(AST_Seq, function(output){ var p = output.parent(); - return p instanceof AST_Call // (foo, bar)() —or— foo(1, (2, 3), 4) - || p instanceof AST_Binary // 1 + (2, 3) + 4 → 7 - || p instanceof AST_VarDef // var a = (1, 2), b = a + a; → b = 4 - || p instanceof AST_Dot // (1, {foo:2}).foo → 2 - || p instanceof AST_Array // [ 1, (2, 3), 4 ] → [ 1, 3, 4 ] - || p instanceof AST_ObjectProperty // { foo: (1, 2) }.foo → 2 + return p instanceof AST_Call // (foo, bar)() or foo(1, (2, 3), 4) + || p instanceof AST_Binary // 1 + (2, 3) + 4 ==> 7 + || p instanceof AST_VarDef // var a = (1, 2), b = a + a; ==> b == 4 + || p instanceof AST_Dot // (1, {foo:2}).foo ==> 2 + || p instanceof AST_Array // [ 1, (2, 3), 4 ] ==> [ 1, 3, 4 ] + || p instanceof AST_ObjectProperty // { foo: (1, 2) }.foo ==> 2 || p instanceof AST_Conditional /* (false, true) ? (a = 10, b = 20) : (c = 30) - * → 20 (side effect, set a = 10 and b = 20) */ + * ==> 20 (side effect, set a := 10 and b := 20) */ ; }); @@ -324,7 +325,7 @@ function OutputStream(options) { // !(a = false) → true if (p instanceof AST_Unary) return true; - // 1 + (a = 2) + 3 → 3, side effect setting a = 2 + // 1 + (a = 2) + 3 → 6, side effect setting a = 2 if (p instanceof AST_Binary && !(p instanceof AST_Assign)) return true; // (a = func)() —or— new (a = Object)() @@ -529,7 +530,8 @@ function OutputStream(options) { // adds the block brackets if needed. if (!self.consequent) return output.semicolon(); - if (self.consequent instanceof AST_Do) { + if (self.consequent instanceof AST_Do + && output.option("ie_proof")) { // https://github.com/mishoo/UglifyJS/issues/#issue/57 IE // croaks with "syntax error" on code like this: if (foo) // do ... while(cond); else ... we need block brackets @@ -546,10 +548,10 @@ function OutputStream(options) { } b = b.alternative; } - else if (b instanceof AST_While || - b instanceof AST_Do || - b instanceof AST_For || - b instanceof AST_ForIn) { + else if (b instanceof AST_While + || b instanceof AST_Do + || b instanceof AST_For + || b instanceof AST_ForIn) { b = b.body; } else break; |