3 files changed, 143 insertions, 0 deletions
diff --git a/node_modules/axios/lib/cancel/Cancel.js b/node_modules/axios/lib/cancel/Cancel.js
new file mode 100644
index 0000000..e0de400
--- /dev/null
+++ b/node_modules/axios/lib/cancel/Cancel.js
@@ -0,0 +1,19 @@
+'use strict';
+
+/**
+ * A `Cancel` is an object that is thrown when an operation is canceled.
+ *
+ * @class
+ * @param {string=} message The message.
+ */
+function Cancel(message) {
+  this.message = message;
+}
+
+Cancel.prototype.toString = function toString() {
+  return 'Cancel' + (this.message ? ': ' + this.message : '');
+};
+
+Cancel.prototype.__CANCEL__ = true;
+
+module.exports = Cancel;
diff --git a/node_modules/axios/lib/cancel/CancelToken.js b/node_modules/axios/lib/cancel/CancelToken.js
new file mode 100644
index 0000000..089d6b9
--- /dev/null
+++ b/node_modules/axios/lib/cancel/CancelToken.js
@@ -0,0 +1,119 @@
+'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;
diff --git a/node_modules/axios/lib/cancel/isCancel.js b/node_modules/axios/lib/cancel/isCancel.js
new file mode 100644
index 0000000..051f3ae
--- /dev/null
+++ b/node_modules/axios/lib/cancel/isCancel.js
@@ -0,0 +1,5 @@
+'use strict';
+
+module.exports = function isCancel(value) {
+  return !!(value && value.__CANCEL__);
+};