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Fix uncurryThis on Nashorn #1129

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merged 2 commits into from
Sep 27, 2022
Merged

Fix uncurryThis on Nashorn #1129

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7451b1d
Fix uncurryThis on Nashorn
AprilArcus Sep 27, 2022
775f6ba
some fixes
zloirock Sep 27, 2022
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13 changes: 3 additions & 10 deletions packages/core-js/internals/function-uncurry-this.js
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Original file line number Diff line number Diff line change
@@ -1,20 +1,13 @@
var fails = require('../internals/fails');
var NATIVE_BIND = require('../internals/function-bind-native');

var FunctionPrototype = Function.prototype;
var bind = FunctionPrototype.bind;
var call = FunctionPrototype.call;
var uncurryThis = NATIVE_BIND && bind.bind(call, call);

var UNCURRY_WITH_NATIVE_BIND = NATIVE_BIND && !fails(function () {
module.exports = function (fn) {
// Nashorn bug, https://github.com/zloirock/core-js/issues/1128
return uncurryThis(''.slice)('12', 1) !== '2';
});

module.exports = UNCURRY_WITH_NATIVE_BIND ? function (fn) {
return fn && uncurryThis(fn);
} : function (fn) {
return fn && function () {
return fn && (NATIVE_BIND && fn instanceof Function ? uncurryThis(fn) : function () {
return call.apply(fn, arguments);
};
});
};