diff options
Diffstat (limited to 'node_modules/core-js/modules/es6.promise.js')
-rw-r--r-- | node_modules/core-js/modules/es6.promise.js | 286 |
1 files changed, 0 insertions, 286 deletions
diff --git a/node_modules/core-js/modules/es6.promise.js b/node_modules/core-js/modules/es6.promise.js deleted file mode 100644 index b0ff3bfcf..000000000 --- a/node_modules/core-js/modules/es6.promise.js +++ /dev/null @@ -1,286 +0,0 @@ -'use strict'; -var LIBRARY = require('./_library'); -var global = require('./_global'); -var ctx = require('./_ctx'); -var classof = require('./_classof'); -var $export = require('./_export'); -var isObject = require('./_is-object'); -var aFunction = require('./_a-function'); -var anInstance = require('./_an-instance'); -var forOf = require('./_for-of'); -var speciesConstructor = require('./_species-constructor'); -var task = require('./_task').set; -var microtask = require('./_microtask')(); -var newPromiseCapabilityModule = require('./_new-promise-capability'); -var perform = require('./_perform'); -var userAgent = require('./_user-agent'); -var promiseResolve = require('./_promise-resolve'); -var PROMISE = 'Promise'; -var TypeError = global.TypeError; -var process = global.process; -var versions = process && process.versions; -var v8 = versions && versions.v8 || ''; -var $Promise = global[PROMISE]; -var isNode = classof(process) == 'process'; -var empty = function () { /* empty */ }; -var Internal, newGenericPromiseCapability, OwnPromiseCapability, Wrapper; -var newPromiseCapability = newGenericPromiseCapability = newPromiseCapabilityModule.f; - -var USE_NATIVE = !!function () { - try { - // correct subclassing with @@species support - var promise = $Promise.resolve(1); - var FakePromise = (promise.constructor = {})[require('./_wks')('species')] = function (exec) { - exec(empty, empty); - }; - // unhandled rejections tracking support, NodeJS Promise without it fails @@species test - return (isNode || typeof PromiseRejectionEvent == 'function') - && promise.then(empty) instanceof FakePromise - // v8 6.6 (Node 10 and Chrome 66) have a bug with resolving custom thenables - // https://bugs.chromium.org/p/chromium/issues/detail?id=830565 - // we can't detect it synchronously, so just check versions - && v8.indexOf('6.6') !== 0 - && userAgent.indexOf('Chrome/66') === -1; - } catch (e) { /* empty */ } -}(); - -// helpers -var isThenable = function (it) { - var then; - return isObject(it) && typeof (then = it.then) == 'function' ? then : false; -}; -var notify = function (promise, isReject) { - if (promise._n) return; - promise._n = true; - var chain = promise._c; - microtask(function () { - var value = promise._v; - var ok = promise._s == 1; - var i = 0; - var run = function (reaction) { - var handler = ok ? reaction.ok : reaction.fail; - var resolve = reaction.resolve; - var reject = reaction.reject; - var domain = reaction.domain; - var result, then, exited; - try { - if (handler) { - if (!ok) { - if (promise._h == 2) onHandleUnhandled(promise); - promise._h = 1; - } - if (handler === true) result = value; - else { - if (domain) domain.enter(); - result = handler(value); // may throw - if (domain) { - domain.exit(); - exited = true; - } - } - if (result === reaction.promise) { - reject(TypeError('Promise-chain cycle')); - } else if (then = isThenable(result)) { - then.call(result, resolve, reject); - } else resolve(result); - } else reject(value); - } catch (e) { - if (domain && !exited) domain.exit(); - reject(e); - } - }; - while (chain.length > i) run(chain[i++]); // variable length - can't use forEach - promise._c = []; - promise._n = false; - if (isReject && !promise._h) onUnhandled(promise); - }); -}; -var onUnhandled = function (promise) { - task.call(global, function () { - var value = promise._v; - var unhandled = isUnhandled(promise); - var result, handler, console; - if (unhandled) { - result = perform(function () { - if (isNode) { - process.emit('unhandledRejection', value, promise); - } else if (handler = global.onunhandledrejection) { - handler({ promise: promise, reason: value }); - } else if ((console = global.console) && console.error) { - console.error('Unhandled promise rejection', value); - } - }); - // Browsers should not trigger `rejectionHandled` event if it was handled here, NodeJS - should - promise._h = isNode || isUnhandled(promise) ? 2 : 1; - } promise._a = undefined; - if (unhandled && result.e) throw result.v; - }); -}; -var isUnhandled = function (promise) { - return promise._h !== 1 && (promise._a || promise._c).length === 0; -}; -var onHandleUnhandled = function (promise) { - task.call(global, function () { - var handler; - if (isNode) { - process.emit('rejectionHandled', promise); - } else if (handler = global.onrejectionhandled) { - handler({ promise: promise, reason: promise._v }); - } - }); -}; -var $reject = function (value) { - var promise = this; - if (promise._d) return; - promise._d = true; - promise = promise._w || promise; // unwrap - promise._v = value; - promise._s = 2; - if (!promise._a) promise._a = promise._c.slice(); - notify(promise, true); -}; -var $resolve = function (value) { - var promise = this; - var then; - if (promise._d) return; - promise._d = true; - promise = promise._w || promise; // unwrap - try { - if (promise === value) throw TypeError("Promise can't be resolved itself"); - if (then = isThenable(value)) { - microtask(function () { - var wrapper = { _w: promise, _d: false }; // wrap - try { - then.call(value, ctx($resolve, wrapper, 1), ctx($reject, wrapper, 1)); - } catch (e) { - $reject.call(wrapper, e); - } - }); - } else { - promise._v = value; - promise._s = 1; - notify(promise, false); - } - } catch (e) { - $reject.call({ _w: promise, _d: false }, e); // wrap - } -}; - -// constructor polyfill -if (!USE_NATIVE) { - // 25.4.3.1 Promise(executor) - $Promise = function Promise(executor) { - anInstance(this, $Promise, PROMISE, '_h'); - aFunction(executor); - Internal.call(this); - try { - executor(ctx($resolve, this, 1), ctx($reject, this, 1)); - } catch (err) { - $reject.call(this, err); - } - }; - // eslint-disable-next-line no-unused-vars - Internal = function Promise(executor) { - this._c = []; // <- awaiting reactions - this._a = undefined; // <- checked in isUnhandled reactions - this._s = 0; // <- state - this._d = false; // <- done - this._v = undefined; // <- value - this._h = 0; // <- rejection state, 0 - default, 1 - handled, 2 - unhandled - this._n = false; // <- notify - }; - Internal.prototype = require('./_redefine-all')($Promise.prototype, { - // 25.4.5.3 Promise.prototype.then(onFulfilled, onRejected) - then: function then(onFulfilled, onRejected) { - var reaction = newPromiseCapability(speciesConstructor(this, $Promise)); - reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true; - reaction.fail = typeof onRejected == 'function' && onRejected; - reaction.domain = isNode ? process.domain : undefined; - this._c.push(reaction); - if (this._a) this._a.push(reaction); - if (this._s) notify(this, false); - return reaction.promise; - }, - // 25.4.5.1 Promise.prototype.catch(onRejected) - 'catch': function (onRejected) { - return this.then(undefined, onRejected); - } - }); - OwnPromiseCapability = function () { - var promise = new Internal(); - this.promise = promise; - this.resolve = ctx($resolve, promise, 1); - this.reject = ctx($reject, promise, 1); - }; - newPromiseCapabilityModule.f = newPromiseCapability = function (C) { - return C === $Promise || C === Wrapper - ? new OwnPromiseCapability(C) - : newGenericPromiseCapability(C); - }; -} - -$export($export.G + $export.W + $export.F * !USE_NATIVE, { Promise: $Promise }); -require('./_set-to-string-tag')($Promise, PROMISE); -require('./_set-species')(PROMISE); -Wrapper = require('./_core')[PROMISE]; - -// statics -$export($export.S + $export.F * !USE_NATIVE, PROMISE, { - // 25.4.4.5 Promise.reject(r) - reject: function reject(r) { - var capability = newPromiseCapability(this); - var $$reject = capability.reject; - $$reject(r); - return capability.promise; - } -}); -$export($export.S + $export.F * (LIBRARY || !USE_NATIVE), PROMISE, { - // 25.4.4.6 Promise.resolve(x) - resolve: function resolve(x) { - return promiseResolve(LIBRARY && this === Wrapper ? $Promise : this, x); - } -}); -$export($export.S + $export.F * !(USE_NATIVE && require('./_iter-detect')(function (iter) { - $Promise.all(iter)['catch'](empty); -})), PROMISE, { - // 25.4.4.1 Promise.all(iterable) - all: function all(iterable) { - var C = this; - var capability = newPromiseCapability(C); - var resolve = capability.resolve; - var reject = capability.reject; - var result = perform(function () { - var values = []; - var index = 0; - var remaining = 1; - forOf(iterable, false, function (promise) { - var $index = index++; - var alreadyCalled = false; - values.push(undefined); - remaining++; - C.resolve(promise).then(function (value) { - if (alreadyCalled) return; - alreadyCalled = true; - values[$index] = value; - --remaining || resolve(values); - }, reject); - }); - --remaining || resolve(values); - }); - if (result.e) reject(result.v); - return capability.promise; - }, - // 25.4.4.4 Promise.race(iterable) - race: function race(iterable) { - var C = this; - var capability = newPromiseCapability(C); - var reject = capability.reject; - var result = perform(function () { - forOf(iterable, false, function (promise) { - C.resolve(promise).then(capability.resolve, reject); - }); - }); - if (result.e) reject(result.v); - return capability.promise; - } -}); |