Fixed merge conflicts

lib/utils.js

@@ -6,6 +6,22 @@ var bind = require('./helpers/bind');
 
 var toString = Object.prototype.toString;
 
+// eslint-disable-next-line func-names
+var kindOf = (function(cache) {
+  // eslint-disable-next-line func-names
+  return function(thing) {
+    var str = toString.call(thing);
+    return cache[str] || (cache[str] = str.slice(8, -1).toLowerCase());
+  };
+})(Object.create(null));
+
+function kindOfTest(type) {
+  type = type.toLowerCase();
+  return function isKindOf(thing) {
+    return kindOf(thing) === type;
+  };
+}
+
 /**
  * Array with axios supported protocols.
  */
@@ -56,22 +72,12 @@ function isBuffer(val) {
 /**
  * Determine if a value is an ArrayBuffer
  *
+ * @function
  * @param {Object} val The value to test
  * @returns {boolean} True if value is an ArrayBuffer, otherwise false
  */
-function isArrayBuffer(val) {
-  return toString.call(val) === '[object ArrayBuffer]';
-}
+var isArrayBuffer = kindOfTest('ArrayBuffer');
 
-/**
- * Determine if a value is a FormData
- *
- * @param {Object} val The value to test
- * @returns {boolean} True if value is an FormData, otherwise false
- */
-function isFormData(val) {
-  return toString.call(val) === '[object FormData]';
-}
 
 /**
  * Determine if a value is a view on an ArrayBuffer
@@ -126,7 +132,7 @@ function isObject(val) {
  * @return {boolean} True if value is a plain Object, otherwise false
  */
 function isPlainObject(val) {
-  if (toString.call(val) !== '[object Object]') {
+  if (kindOf(val) !== 'object') {
     return false;
   }
 
@@ -137,32 +143,38 @@ function isPlainObject(val) {
 /**
  * Determine if a value is a Date
  *
+ * @function
  * @param {Object} val The value to test
  * @returns {boolean} True if value is a Date, otherwise false
  */
-function isDate(val) {
-  return toString.call(val) === '[object Date]';
-}
+var isDate = kindOfTest('Date');
 
 /**
  * Determine if a value is a File
  *
+ * @function
  * @param {Object} val The value to test
  * @returns {boolean} True if value is a File, otherwise false
  */
-function isFile(val) {
-  return toString.call(val) === '[object File]';
-}
+var isFile = kindOfTest('File');
 
 /**
  * Determine if a value is a Blob
  *
+ * @function
  * @param {Object} val The value to test
  * @returns {boolean} True if value is a Blob, otherwise false
  */
-function isBlob(val) {
-  return toString.call(val) === '[object Blob]';
-}
+var isBlob = kindOfTest('Blob');
+
+/**
+ * Determine if a value is a FileList
+ *
+ * @function
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is a File, otherwise false
+ */
+var isFileList = kindOfTest('FileList');
 
 /**
  * Determine if a value is a Function
@@ -185,14 +197,27 @@ function isStream(val) {
 }
 
 /**
- * Determine if a value is a URLSearchParams object
+ * Determine if a value is a FormData
  *
+ * @param {Object} thing The value to test
+ * @returns {boolean} True if value is an FormData, otherwise false
+ */
+function isFormData(thing) {
+  var pattern = '[object FormData]';
+  return thing && (
+    (typeof FormData === 'function' && thing instanceof FormData) ||
+    toString.call(thing) === pattern ||
+    (isFunction(thing.toString) && thing.toString() === pattern)
+  );
+}
+
+/**
+ * Determine if a value is a URLSearchParams object
+ * @function
  * @param {Object} val The value to test
  * @returns {boolean} True if value is a URLSearchParams object, otherwise false
  */
-function isURLSearchParams(val) {
-  return toString.call(val) === '[object URLSearchParams]';
-}
+var isURLSearchParams = kindOfTest('URLSearchParams');
 
 /**
  * Trim excess whitespace off the beginning and end of a string
@@ -385,6 +410,48 @@ function toFlatObject(sourceObj, destObj, filter) {
   return destObj;
 }
 
+/*
+ * determines whether a string ends with the characters of a specified string
+ * @param {String} str
+ * @param {String} searchString
+ * @param {Number} [position= 0]
+ * @returns {boolean}
+ */
+function endsWith(str, searchString, position) {
+  str = String(str);
+  if (position === undefined || position > str.length) {
+    position = str.length;
+  }
+  position -= searchString.length;
+  var lastIndex = str.indexOf(searchString, position);
+  return lastIndex !== -1 && lastIndex === position;
+}
+
+
+/**
+ * Returns new array from array like object
+ * @param {*} [thing]
+ * @returns {Array}
+ */
+function toArray(thing) {
+  if (!thing) return null;
+  var i = thing.length;
+  if (isUndefined(i)) return null;
+  var arr = new Array(i);
+  while (i-- > 0) {
+    arr[i] = thing[i];
+  }
+  return arr;
+}
+
+// eslint-disable-next-line func-names
+var isTypedArray = (function(TypedArray) {
+  // eslint-disable-next-line func-names
+  return function(thing) {
+    return TypedArray && thing instanceof TypedArray;
+  };
+})(typeof Uint8Array !== 'undefined' && Object.getPrototypeOf(Uint8Array));
+
 module.exports = {
   supportedProtocols: supportedProtocols,
   getProtocol: getProtocol,
@@ -411,5 +478,11 @@ module.exports = {
   trim: trim,
   stripBOM: stripBOM,
   inherits: inherits,
-  toFlatObject: toFlatObject
+  toFlatObject: toFlatObject,
+  kindOf: kindOf,
+  kindOfTest: kindOfTest,
+  endsWith: endsWith,
+  toArray: toArray,
+  isTypedArray: isTypedArray,
+  isFileList: isFileList
 };