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Turn ES6 code into readable vanilla ES5 with source maps
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6to5/6to5
6to5-core
/
lib
/
6to5
/
transformation
/
transformers
/
spec
/
undefined-to-void.js
12 lines
(8 loc)
•
256 B
JavaScript
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"use strict"
;
var
t =
require
(
"../../../types"
);
exports
.
optional
=
true
;
exports
.
Identifier
=
function
(
node, parent
) {
if
(node.
name
===
"undefined"
&& t.
isReferenced
(node, parent)) {
return
t.
unaryExpression
(
"void"
, t.
literal
(
0
),
true
); } };