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/
example
/
node_modules
/
es6-map
/
is-native-implemented.js
10 lines
(7 loc)
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JavaScript
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// Exports true if environment provides native `Map` implementation,
// whatever that is.
'use strict'
;
module
.
exports
= (
function
(
) {
if
(
typeof
Map
===
'undefined'
)
return
false
;
return
(
Object
.
prototype
.
toString
.
call
(
new
Map
()) ===
'[object Map]'
); }());