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6to5/6to5
6to5-core
/
lib
/
6to5
/
transformation
/
transformers
/
validation
/
undeclared-variable-check.js
10 lines
(7 loc)
•
242 B
JavaScript
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"use strict"
;
exports
.
optional
=
true
;
exports
.
Identifier
=
function
(
node, parent, scope, context, file
) {
if
(!scope.
has
(node.
name
,
true
)) {
throw
file.
errorWithNode
(node,
"Reference to undeclared variable"
,
ReferenceError
); } };