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Natours/starter/node_modules/kind-of/index.js

@@ -1,129 +1,116 @@
+var isBuffer = require('is-buffer');
 var toString = Object.prototype.toString;
 
-module.exports = function kindOf(val) {
-  if (val === void 0) return 'undefined';
-  if (val === null) return 'null';
-
-  var type = typeof val;
-  if (type === 'boolean') return 'boolean';
-  if (type === 'string') return 'string';
-  if (type === 'number') return 'number';
-  if (type === 'symbol') return 'symbol';
-  if (type === 'function') {
-    return isGeneratorFn(val) ? 'generatorfunction' : 'function';
-  }
-
-  if (isArray(val)) return 'array';
-  if (isBuffer(val)) return 'buffer';
-  if (isArguments(val)) return 'arguments';
-  if (isDate(val)) return 'date';
-  if (isError(val)) return 'error';
-  if (isRegexp(val)) return 'regexp';
-
-  switch (ctorName(val)) {
-    case 'Symbol': return 'symbol';
-    case 'Promise': return 'promise';
-
-    // Set, Map, WeakSet, WeakMap
-    case 'WeakMap': return 'weakmap';
-    case 'WeakSet': return 'weakset';
-    case 'Map': return 'map';
-    case 'Set': return 'set';
-
-    // 8-bit typed arrays
-    case 'Int8Array': return 'int8array';
-    case 'Uint8Array': return 'uint8array';
-    case 'Uint8ClampedArray': return 'uint8clampedarray';
-
-    // 16-bit typed arrays
-    case 'Int16Array': return 'int16array';
-    case 'Uint16Array': return 'uint16array';
-
-    // 32-bit typed arrays
-    case 'Int32Array': return 'int32array';
-    case 'Uint32Array': return 'uint32array';
-    case 'Float32Array': return 'float32array';
-    case 'Float64Array': return 'float64array';
-  }
-
-  if (isGeneratorObj(val)) {
-    return 'generator';
-  }
-
-  // Non-plain objects
-  type = toString.call(val);
-  switch (type) {
-    case '[object Object]': return 'object';
-    // iterators
-    case '[object Map Iterator]': return 'mapiterator';
-    case '[object Set Iterator]': return 'setiterator';
-    case '[object String Iterator]': return 'stringiterator';
-    case '[object Array Iterator]': return 'arrayiterator';
-  }
-
-  // other
-  return type.slice(8, -1).toLowerCase().replace(/\s/g, '');
-};
-
-function ctorName(val) {
-  return typeof val.constructor === 'function' ? val.constructor.name : null;
-}
-
-function isArray(val) {
-  if (Array.isArray) return Array.isArray(val);
-  return val instanceof Array;
-}
-
-function isError(val) {
-  return val instanceof Error || (typeof val.message === 'string' && val.constructor && typeof val.constructor.stackTraceLimit === 'number');
-}
-
-function isDate(val) {
-  if (val instanceof Date) return true;
-  return typeof val.toDateString === 'function'
-    && typeof val.getDate === 'function'
-    && typeof val.setDate === 'function';
-}
-
-function isRegexp(val) {
-  if (val instanceof RegExp) return true;
-  return typeof val.flags === 'string'
-    && typeof val.ignoreCase === 'boolean'
-    && typeof val.multiline === 'boolean'
-    && typeof val.global === 'boolean';
-}
-
-function isGeneratorFn(name, val) {
-  return ctorName(name) === 'GeneratorFunction';
-}
-
-function isGeneratorObj(val) {
-  return typeof val.throw === 'function'
-    && typeof val.return === 'function'
-    && typeof val.next === 'function';
-}
-
-function isArguments(val) {
-  try {
-    if (typeof val.length === 'number' && typeof val.callee === 'function') {
-      return true;
-    }
-  } catch (err) {
-    if (err.message.indexOf('callee') !== -1) {
-      return true;
-    }
-  }
-  return false;
-}
-
 /**
- * If you need to support Safari 5-7 (8-10 yr-old browser),
- * take a look at https://github.com/feross/is-buffer
+ * Get the native `typeof` a value.
+ *
+ * @param  {*} `val`
+ * @return {*} Native javascript type
  */
 
-function isBuffer(val) {
-  if (val.constructor && typeof val.constructor.isBuffer === 'function') {
-    return val.constructor.isBuffer(val);
+module.exports = function kindOf(val) {
+  // primitivies
+  if (typeof val === 'undefined') {
+    return 'undefined';
   }
-  return false;
-}
+  if (val === null) {
+    return 'null';
+  }
+  if (val === true || val === false || val instanceof Boolean) {
+    return 'boolean';
+  }
+  if (typeof val === 'string' || val instanceof String) {
+    return 'string';
+  }
+  if (typeof val === 'number' || val instanceof Number) {
+    return 'number';
+  }
+
+  // functions
+  if (typeof val === 'function' || val instanceof Function) {
+    return 'function';
+  }
+
+  // array
+  if (typeof Array.isArray !== 'undefined' && Array.isArray(val)) {
+    return 'array';
+  }
+
+  // check for instances of RegExp and Date before calling `toString`
+  if (val instanceof RegExp) {
+    return 'regexp';
+  }
+  if (val instanceof Date) {
+    return 'date';
+  }
+
+  // other objects
+  var type = toString.call(val);
+
+  if (type === '[object RegExp]') {
+    return 'regexp';
+  }
+  if (type === '[object Date]') {
+    return 'date';
+  }
+  if (type === '[object Arguments]') {
+    return 'arguments';
+  }
+  if (type === '[object Error]') {
+    return 'error';
+  }
+
+  // buffer
+  if (isBuffer(val)) {
+    return 'buffer';
+  }
+
+  // es6: Map, WeakMap, Set, WeakSet
+  if (type === '[object Set]') {
+    return 'set';
+  }
+  if (type === '[object WeakSet]') {
+    return 'weakset';
+  }
+  if (type === '[object Map]') {
+    return 'map';
+  }
+  if (type === '[object WeakMap]') {
+    return 'weakmap';
+  }
+  if (type === '[object Symbol]') {
+    return 'symbol';
+  }
+
+  // typed arrays
+  if (type === '[object Int8Array]') {
+    return 'int8array';
+  }
+  if (type === '[object Uint8Array]') {
+    return 'uint8array';
+  }
+  if (type === '[object Uint8ClampedArray]') {
+    return 'uint8clampedarray';
+  }
+  if (type === '[object Int16Array]') {
+    return 'int16array';
+  }
+  if (type === '[object Uint16Array]') {
+    return 'uint16array';
+  }
+  if (type === '[object Int32Array]') {
+    return 'int32array';
+  }
+  if (type === '[object Uint32Array]') {
+    return 'uint32array';
+  }
+  if (type === '[object Float32Array]') {
+    return 'float32array';
+  }
+  if (type === '[object Float64Array]') {
+    return 'float64array';
+  }
+
+  // must be a plain object
+  return 'object';
+};