Fixed missed minified builds; (#4805)

* Fixed missed minified builds;
Refactored utils.js;
Refactored `utils.isStandardBrowserEnv()` as a `platform/browser` property;
Added builds size log;

* Replaced `rollup-plugin-filesize` with `rollup-plugin-bundle-size`;

Co-authored-by: Jay <jasonsaayman@gmail.com>

lib/utils.js

@@ -4,29 +4,20 @@ import bind from './helpers/bind.js';
 
 // utils is a library of generic helper functions non-specific to axios
 
-const toString = Object.prototype.toString;
+const {toString} = Object.prototype;
+const {getPrototypeOf} = Object;
 
-// eslint-disable-next-line func-names
-const kindOf = (cache => {
-  // eslint-disable-next-line func-names
-  return thing => {
+const kindOf = (cache => thing => {
     const str = toString.call(thing);
     return cache[str] || (cache[str] = str.slice(8, -1).toLowerCase());
-  };
 })(Object.create(null));
 
-function kindOfTest(type) {
+const kindOfTest = (type) => {
   type = type.toLowerCase();
-  return function isKindOf(thing) {
-    return kindOf(thing) === type;
-  };
+  return (thing) => kindOf(thing) === type
 }
 
-function typeOfTest(type) {
-  return thing => {
-    return typeof thing === type;
-  };
-}
+const typeOfTest = type => thing => typeof thing === type;
 
 /**
  * Determine if a value is an Array
@@ -35,9 +26,7 @@ function typeOfTest(type) {
  *
  * @returns {boolean} True if value is an Array, otherwise false
  */
-function isArray(val) {
-  return Array.isArray(val);
-}
+const {isArray} = Array;
 
 /**
  * Determine if a value is undefined
@@ -57,7 +46,7 @@ const isUndefined = typeOfTest('undefined');
  */
 function isBuffer(val) {
   return val !== null && !isUndefined(val) && val.constructor !== null && !isUndefined(val.constructor)
-    && typeof val.constructor.isBuffer === 'function' && val.constructor.isBuffer(val);
+    && isFunction(val.constructor.isBuffer) && val.constructor.isBuffer(val);
 }
 
 /**
@@ -120,9 +109,7 @@ const isNumber = typeOfTest('number');
  *
  * @returns {boolean} True if value is an Object, otherwise false
  */
-function isObject(thing) {
-  return thing !== null && typeof thing === 'object';
-}
+const isObject = (thing) => thing !== null && typeof thing === 'object';
 
 /**
  * Determine if a value is a Boolean
@@ -130,9 +117,7 @@ function isObject(thing) {
  * @param {*} thing The value to test
  * @returns {boolean} True if value is a Boolean, otherwise false
  */
-const isBoolean = thing => {
-  return thing === true || thing === false;
-};
+const isBoolean = thing => thing === true || thing === false;
 
 /**
  * Determine if a value is a plain Object
@@ -141,12 +126,12 @@ const isBoolean = thing => {
  *
  * @returns {boolean} True if value is a plain Object, otherwise false
  */
-function isPlainObject(val) {
+const isPlainObject = (val) => {
   if (kindOf(val) !== 'object') {
     return false;
   }
 
-  const prototype = Object.getPrototypeOf(val);
+  const prototype = getPrototypeOf(val);
   return prototype === null || prototype === Object.prototype;
 }
 
@@ -193,9 +178,7 @@ const isFileList = kindOfTest('FileList');
  *
  * @returns {boolean} True if value is a Stream, otherwise false
  */
-function isStream(val) {
-  return isObject(val) && isFunction(val.pipe);
-}
+const isStream = (val) => isObject(val) && isFunction(val.pipe);
 
 /**
  * Determine if a value is a FormData
@@ -204,7 +187,7 @@ function isStream(val) {
  *
  * @returns {boolean} True if value is an FormData, otherwise false
  */
-function isFormData(thing) {
+const isFormData = (thing) => {
   const pattern = '[object FormData]';
   return thing && (
     (typeof FormData === 'function' && thing instanceof FormData) ||
@@ -229,39 +212,8 @@ const isURLSearchParams = kindOfTest('URLSearchParams');
  *
  * @returns {String} The String freed of excess whitespace
  */
-function trim(str) {
-  return str.trim ? str.trim() : str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
-}
-
-/**
- * Determine if we're running in a standard browser environment
- *
- * This allows axios to run in a web worker, and react-native.
- * Both environments support XMLHttpRequest, but not fully standard globals.
- *
- * web workers:
- *  typeof window -> undefined
- *  typeof document -> undefined
- *
- * react-native:
- *  navigator.product -> 'ReactNative'
- * nativescript
- *  navigator.product -> 'NativeScript' or 'NS'
- *
- * @returns {boolean}
- */
-function isStandardBrowserEnv() {
-  let product;
-  if (typeof navigator !== 'undefined' && (
-    (product = navigator.product) === 'ReactNative' ||
-    product === 'NativeScript' ||
-    product === 'NS')
-  ) {
-    return false;
-  }
-
-  return typeof window !== 'undefined' && typeof document !== 'undefined';
-}
+const trim = (str) => str.trim ?
+  str.trim() : str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
 
 /**
  * Iterate over an Array or an Object invoking a function for each item.
@@ -331,7 +283,7 @@ function forEach(obj, fn, {allOwnKeys = false} = {}) {
  */
 function merge(/* obj1, obj2, obj3, ... */) {
   const result = {};
-  function assignValue(val, key) {
+  const assignValue = (val, key) => {
     if (isPlainObject(result[key]) && isPlainObject(val)) {
       result[key] = merge(result[key], val);
     } else if (isPlainObject(val)) {
@@ -359,9 +311,9 @@ function merge(/* obj1, obj2, obj3, ... */) {
  * @param {Boolean} [allOwnKeys]
  * @returns {Object} The resulting value of object a
  */
-function extend(a, b, thisArg, {allOwnKeys}= {}) {
-  forEach(b, function assignValue(val, key) {
-    if (thisArg && typeof val === 'function') {
+const extend = (a, b, thisArg, {allOwnKeys}= {}) => {
+  forEach(b, (val, key) => {
+    if (thisArg && isFunction(val)) {
       a[key] = bind(val, thisArg);
     } else {
       a[key] = val;
@@ -377,7 +329,7 @@ function extend(a, b, thisArg, {allOwnKeys}= {}) {
  *
  * @returns {string} content value without BOM
  */
-function stripBOM(content) {
+const stripBOM = (content) => {
   if (content.charCodeAt(0) === 0xFEFF) {
     content = content.slice(1);
   }
@@ -393,7 +345,7 @@ function stripBOM(content) {
  *
  * @returns {void}
  */
-function inherits(constructor, superConstructor, props, descriptors) {
+const inherits = (constructor, superConstructor, props, descriptors) => {
   constructor.prototype = Object.create(superConstructor.prototype, descriptors);
   constructor.prototype.constructor = constructor;
   Object.defineProperty(constructor, 'super', {
@@ -411,7 +363,7 @@ function inherits(constructor, superConstructor, props, descriptors) {
  *
  * @returns {Object}
  */
-function toFlatObject(sourceObj, destObj, filter, propFilter) {
+const toFlatObject = (sourceObj, destObj, filter, propFilter) => {
   let props;
   let i;
   let prop;
@@ -431,7 +383,7 @@ function toFlatObject(sourceObj, destObj, filter, propFilter) {
         merged[prop] = true;
       }
     }
-    sourceObj = filter !== false && Object.getPrototypeOf(sourceObj);
+    sourceObj = filter !== false && getPrototypeOf(sourceObj);
   } while (sourceObj && (!filter || filter(sourceObj, destObj)) && sourceObj !== Object.prototype);
 
   return destObj;
@@ -446,7 +398,7 @@ function toFlatObject(sourceObj, destObj, filter, propFilter) {
  *
  * @returns {boolean}
  */
-function endsWith(str, searchString, position) {
+const endsWith = (str, searchString, position) => {
   str = String(str);
   if (position === undefined || position > str.length) {
     position = str.length;
@@ -464,7 +416,7 @@ function endsWith(str, searchString, position) {
  *
  * @returns {?Array}
  */
-function toArray(thing) {
+const toArray = (thing) => {
   if (!thing) return null;
   if (isArray(thing)) return thing;
   let i = thing.length;
@@ -490,7 +442,7 @@ const isTypedArray = (TypedArray => {
   return thing => {
     return TypedArray && thing instanceof TypedArray;
   };
-})(typeof Uint8Array !== 'undefined' && Object.getPrototypeOf(Uint8Array));
+})(typeof Uint8Array !== 'undefined' && getPrototypeOf(Uint8Array));
 
 /**
  * For each entry in the object, call the function with the key and value.
@@ -500,7 +452,7 @@ const isTypedArray = (TypedArray => {
  *
  * @returns {void}
  */
-function forEachEntry(obj, fn) {
+const forEachEntry = (obj, fn) => {
   const generator = obj && obj[Symbol.iterator];
 
   const iterator = generator.call(obj);
@@ -521,7 +473,7 @@ function forEachEntry(obj, fn) {
  *
  * @returns {Array<boolean>}
  */
-function matchAll(regExp, str) {
+const matchAll = (regExp, str) => {
   let matches;
   const arr = [];
 
@@ -544,11 +496,7 @@ const toCamelCase = str => {
 };
 
 /* Creating a function that will check if an object has a property. */
-const hasOwnProperty = (function resolver(_hasOwnProperty) {
-  return (obj, prop) => {
-    return _hasOwnProperty.call(obj, prop);
-  };
-})(Object.prototype.hasOwnProperty);
+const hasOwnProperty = (({hasOwnProperty}) => (obj, prop) => hasOwnProperty.call(obj, prop))(Object.prototype);
 
 /**
  * Determine if a value is a RegExp object
@@ -559,7 +507,7 @@ const hasOwnProperty = (function resolver(_hasOwnProperty) {
  */
 const isRegExp = kindOfTest('RegExp');
 
-function reduceDescriptors(obj, reducer) {
+const reduceDescriptors = (obj, reducer) => {
   const descriptors = Object.getOwnPropertyDescriptors(obj);
   const reducedDescriptors = {};
 
@@ -577,7 +525,7 @@ function reduceDescriptors(obj, reducer) {
  * @param {Object} obj
  */
 
-function freezeMethods(obj) {
+const freezeMethods = (obj) => {
   reduceDescriptors(obj, (descriptor, name) => {
     const value = obj[name];
 
@@ -598,10 +546,10 @@ function freezeMethods(obj) {
   });
 }
 
-function toObjectSet(arrayOrString, delimiter) {
+const toObjectSet = (arrayOrString, delimiter) => {
   const obj = {};
 
-  function define(arr) {
+  const define = (arr) => {
     arr.forEach(value => {
       obj[value] = true;
     });
@@ -612,9 +560,9 @@ function toObjectSet(arrayOrString, delimiter) {
   return obj;
 }
 
-function noop() {}
+const noop = () => {}
 
-function toFiniteNumber(value, defaultValue) {
+const toFiniteNumber = (value, defaultValue) => {
   value = +value;
   return Number.isFinite(value) ? value : defaultValue;
 }
@@ -640,7 +588,6 @@ export default {
   isURLSearchParams,
   isTypedArray,
   isFileList,
-  isStandardBrowserEnv,
   forEach,
   merge,
   extend,