diff options
Diffstat (limited to 'deps/npm/node_modules/npm-profile/node_modules/make-fetch-happen/node_modules/socks-proxy-agent/node_modules/agent-base/node_modules/es6-promisify/node_modules/es6-promise/lib/es6-promise/-internal.js')
1 files changed, 271 insertions, 0 deletions
diff --git a/deps/npm/node_modules/npm-profile/node_modules/make-fetch-happen/node_modules/socks-proxy-agent/node_modules/agent-base/node_modules/es6-promisify/node_modules/es6-promise/lib/es6-promise/-internal.js b/deps/npm/node_modules/npm-profile/node_modules/make-fetch-happen/node_modules/socks-proxy-agent/node_modules/agent-base/node_modules/es6-promisify/node_modules/es6-promise/lib/es6-promise/-internal.js new file mode 100644 index 0000000000..038140d8d8 --- /dev/null +++ b/deps/npm/node_modules/npm-profile/node_modules/make-fetch-happen/node_modules/socks-proxy-agent/node_modules/agent-base/node_modules/es6-promisify/node_modules/es6-promise/lib/es6-promise/-internal.js @@ -0,0 +1,271 @@ +import { + objectOrFunction, + isFunction +} from './utils'; + +import { + asap +} from './asap'; + +import originalThen from './then'; +import originalResolve from './promise/resolve'; + +export const PROMISE_ID = Math.random().toString(36).substring(16); + +function noop() {} + +const PENDING = void 0; +const FULFILLED = 1; +const REJECTED = 2; + +const GET_THEN_ERROR = new ErrorObject(); + +function selfFulfillment() { + return new TypeError("You cannot resolve a promise with itself"); +} + +function cannotReturnOwn() { + return new TypeError('A promises callback cannot return that same promise.'); +} + +function getThen(promise) { + try { + return promise.then; + } catch(error) { + GET_THEN_ERROR.error = error; + return GET_THEN_ERROR; + } +} + +function tryThen(then, value, fulfillmentHandler, rejectionHandler) { + try { + then.call(value, fulfillmentHandler, rejectionHandler); + } catch(e) { + return e; + } +} + +function handleForeignThenable(promise, thenable, then) { + asap(promise => { + var sealed = false; + var error = tryThen(then, thenable, value => { + if (sealed) { return; } + sealed = true; + if (thenable !== value) { + resolve(promise, value); + } else { + fulfill(promise, value); + } + }, reason => { + if (sealed) { return; } + sealed = true; + + reject(promise, reason); + }, 'Settle: ' + (promise._label || ' unknown promise')); + + if (!sealed && error) { + sealed = true; + reject(promise, error); + } + }, promise); +} + +function handleOwnThenable(promise, thenable) { + if (thenable._state === FULFILLED) { + fulfill(promise, thenable._result); + } else if (thenable._state === REJECTED) { + reject(promise, thenable._result); + } else { + subscribe(thenable, undefined, value => resolve(promise, value), + reason => reject(promise, reason)) + } +} + +function handleMaybeThenable(promise, maybeThenable, then) { + if (maybeThenable.constructor === promise.constructor && + then === originalThen && + maybeThenable.constructor.resolve === originalResolve) { + handleOwnThenable(promise, maybeThenable); + } else { + if (then === GET_THEN_ERROR) { + reject(promise, GET_THEN_ERROR.error); + GET_THEN_ERROR.error = null; + } else if (then === undefined) { + fulfill(promise, maybeThenable); + } else if (isFunction(then)) { + handleForeignThenable(promise, maybeThenable, then); + } else { + fulfill(promise, maybeThenable); + } + } +} + +function resolve(promise, value) { + if (promise === value) { + reject(promise, selfFulfillment()); + } else if (objectOrFunction(value)) { + handleMaybeThenable(promise, value, getThen(value)); + } else { + fulfill(promise, value); + } +} + +function publishRejection(promise) { + if (promise._onerror) { + promise._onerror(promise._result); + } + + publish(promise); +} + +function fulfill(promise, value) { + if (promise._state !== PENDING) { return; } + + promise._result = value; + promise._state = FULFILLED; + + if (promise._subscribers.length !== 0) { + asap(publish, promise); + } +} + +function reject(promise, reason) { + if (promise._state !== PENDING) { return; } + promise._state = REJECTED; + promise._result = reason; + + asap(publishRejection, promise); +} + +function subscribe(parent, child, onFulfillment, onRejection) { + let { _subscribers } = parent; + let { length } = _subscribers; + + parent._onerror = null; + + _subscribers[length] = child; + _subscribers[length + FULFILLED] = onFulfillment; + _subscribers[length + REJECTED] = onRejection; + + if (length === 0 && parent._state) { + asap(publish, parent); + } +} + +function publish(promise) { + let subscribers = promise._subscribers; + let settled = promise._state; + + if (subscribers.length === 0) { return; } + + let child, callback, detail = promise._result; + + for (let i = 0; i < subscribers.length; i += 3) { + child = subscribers[i]; + callback = subscribers[i + settled]; + + if (child) { + invokeCallback(settled, child, callback, detail); + } else { + callback(detail); + } + } + + promise._subscribers.length = 0; +} + +function ErrorObject() { + this.error = null; +} + +const TRY_CATCH_ERROR = new ErrorObject(); + +function tryCatch(callback, detail) { + try { + return callback(detail); + } catch(e) { + TRY_CATCH_ERROR.error = e; + return TRY_CATCH_ERROR; + } +} + +function invokeCallback(settled, promise, callback, detail) { + let hasCallback = isFunction(callback), + value, error, succeeded, failed; + + if (hasCallback) { + value = tryCatch(callback, detail); + + if (value === TRY_CATCH_ERROR) { + failed = true; + error = value.error; + value.error = null; + } else { + succeeded = true; + } + + if (promise === value) { + reject(promise, cannotReturnOwn()); + return; + } + + } else { + value = detail; + succeeded = true; + } + + if (promise._state !== PENDING) { + // noop + } else if (hasCallback && succeeded) { + resolve(promise, value); + } else if (failed) { + reject(promise, error); + } else if (settled === FULFILLED) { + fulfill(promise, value); + } else if (settled === REJECTED) { + reject(promise, value); + } +} + +function initializePromise(promise, resolver) { + try { + resolver(function resolvePromise(value){ + resolve(promise, value); + }, function rejectPromise(reason) { + reject(promise, reason); + }); + } catch(e) { + reject(promise, e); + } +} + +let id = 0; +function nextId() { + return id++; +} + +function makePromise(promise) { + promise[PROMISE_ID] = id++; + promise._state = undefined; + promise._result = undefined; + promise._subscribers = []; +} + +export { + nextId, + makePromise, + getThen, + noop, + resolve, + reject, + fulfill, + subscribe, + publish, + publishRejection, + initializePromise, + invokeCallback, + FULFILLED, + REJECTED, + PENDING, + handleMaybeThenable +}; |