%PDF-
%PDF-
Mini Shell
Mini Shell
'use strict';
var $ = require('../internals/export');
var IS_PURE = require('../internals/is-pure');
var NativePromise = require('../internals/native-promise-constructor');
var fails = require('../internals/fails');
var getBuiltIn = require('../internals/get-built-in');
var isCallable = require('../internals/is-callable');
var speciesConstructor = require('../internals/species-constructor');
var promiseResolve = require('../internals/promise-resolve');
var redefine = require('../internals/redefine');
// Safari bug https://bugs.webkit.org/show_bug.cgi?id=200829
var NON_GENERIC = !!NativePromise && fails(function () {
// eslint-disable-next-line unicorn/no-thenable -- required for testing
NativePromise.prototype['finally'].call({ then: function () { /* empty */ } }, function () { /* empty */ });
});
// `Promise.prototype.finally` method
// https://tc39.es/ecma262/#sec-promise.prototype.finally
$({ target: 'Promise', proto: true, real: true, forced: NON_GENERIC }, {
'finally': function (onFinally) {
var C = speciesConstructor(this, getBuiltIn('Promise'));
var isFunction = isCallable(onFinally);
return this.then(
isFunction ? function (x) {
return promiseResolve(C, onFinally()).then(function () { return x; });
} : onFinally,
isFunction ? function (e) {
return promiseResolve(C, onFinally()).then(function () { throw e; });
} : onFinally
);
}
});
// makes sure that native promise-based APIs `Promise#finally` properly works with patched `Promise#then`
if (!IS_PURE && isCallable(NativePromise)) {
var method = getBuiltIn('Promise').prototype['finally'];
if (NativePromise.prototype['finally'] !== method) {
redefine(NativePromise.prototype, 'finally', method, { unsafe: true });
}
}
Zerion Mini Shell 1.0