diff options
Diffstat (limited to 'node_modules/axios/lib/cancel/CancelToken.js')
-rw-r--r-- | node_modules/axios/lib/cancel/CancelToken.js | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/node_modules/axios/lib/cancel/CancelToken.js b/node_modules/axios/lib/cancel/CancelToken.js deleted file mode 100644 index 089d6b9..0000000 --- a/node_modules/axios/lib/cancel/CancelToken.js +++ /dev/null @@ -1,119 +0,0 @@ -'use strict'; - -var Cancel = require('./Cancel'); - -/** - * A `CancelToken` is an object that can be used to request cancellation of an operation. - * - * @class - * @param {Function} executor The executor function. - */ -function CancelToken(executor) { - if (typeof executor !== 'function') { - throw new TypeError('executor must be a function.'); - } - - var resolvePromise; - - this.promise = new Promise(function promiseExecutor(resolve) { - resolvePromise = resolve; - }); - - var token = this; - - // eslint-disable-next-line func-names - this.promise.then(function(cancel) { - if (!token._listeners) return; - - var i; - var l = token._listeners.length; - - for (i = 0; i < l; i++) { - token._listeners[i](cancel); - } - token._listeners = null; - }); - - // eslint-disable-next-line func-names - this.promise.then = function(onfulfilled) { - var _resolve; - // eslint-disable-next-line func-names - var promise = new Promise(function(resolve) { - token.subscribe(resolve); - _resolve = resolve; - }).then(onfulfilled); - - promise.cancel = function reject() { - token.unsubscribe(_resolve); - }; - - return promise; - }; - - executor(function cancel(message) { - if (token.reason) { - // Cancellation has already been requested - return; - } - - token.reason = new Cancel(message); - resolvePromise(token.reason); - }); -} - -/** - * Throws a `Cancel` if cancellation has been requested. - */ -CancelToken.prototype.throwIfRequested = function throwIfRequested() { - if (this.reason) { - throw this.reason; - } -}; - -/** - * Subscribe to the cancel signal - */ - -CancelToken.prototype.subscribe = function subscribe(listener) { - if (this.reason) { - listener(this.reason); - return; - } - - if (this._listeners) { - this._listeners.push(listener); - } else { - this._listeners = [listener]; - } -}; - -/** - * Unsubscribe from the cancel signal - */ - -CancelToken.prototype.unsubscribe = function unsubscribe(listener) { - if (!this._listeners) { - return; - } - var index = this._listeners.indexOf(listener); - if (index !== -1) { - this._listeners.splice(index, 1); - } -}; - -/** - * Returns an object that contains a new `CancelToken` and a function that, when called, - * cancels the `CancelToken`. - */ -CancelToken.source = function source() { - var cancel; - var token = new CancelToken(function executor(c) { - cancel = c; - }); - return { - token: token, - cancel: cancel - }; -}; - -module.exports = CancelToken; |