lodash._stack - npm Package Compare versions

Comparing version 4.0.2 to 4.1.0

index.js

 /**
- * lodash 4.0.2 (Custom Build) <https://lodash.com/>
+ * lodash 4.1.0 (Custom Build) <https://lodash.com/>
  * Build: `lodash modularize exports="npm" -o ./`
@@ -9,3 +9,2 @@ * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
  */
-var MapCache = require('lodash._mapcache');
 
@@ -15,12 +14,284 @@ /** Used as the size to enable large array optimizations. */
 
+/** Used to stand-in for `undefined` hash values. */
+var HASH_UNDEFINED = '__lodash_hash_undefined__';
+
+/** `Object#toString` result references. */
+var funcTag = '[object Function]',
+    genTag = '[object GeneratorFunction]';
+
+/** Used to match `RegExp` [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns). */
+var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
+
+/** Used to detect host constructors (Safari > 5). */
+var reIsHostCtor = /^\[object .+?Constructor\]$/;
+
+/** Used to determine if values are of the language type `Object`. */
+var objectTypes = {
+  'function': true,
+  'object': true
+};
+
+/** Detect free variable `exports`. */
+var freeExports = (objectTypes[typeof exports] && exports && !exports.nodeType)
+  ? exports
+  : undefined;
+
+/** Detect free variable `module`. */
+var freeModule = (objectTypes[typeof module] && module && !module.nodeType)
+  ? module
+  : undefined;
+
+/** Detect free variable `global` from Node.js. */
+var freeGlobal = checkGlobal(freeExports && freeModule && typeof global == 'object' && global);
+
+/** Detect free variable `self`. */
+var freeSelf = checkGlobal(objectTypes[typeof self] && self);
+
+/** Detect free variable `window`. */
+var freeWindow = checkGlobal(objectTypes[typeof window] && window);
+
+/** Detect `this` as the global object. */
+var thisGlobal = checkGlobal(objectTypes[typeof this] && this);
+
+/**
+ * Used as a reference to the global object.
+ *
+ * The `this` value is used if it's the global object to avoid Greasemonkey's
+ * restricted `window` object, otherwise the `window` object is used.
+ */
+var root = freeGlobal ||
+  ((freeWindow !== (thisGlobal && thisGlobal.window)) && freeWindow) ||
+    freeSelf || thisGlobal || Function('return this')();
+
+/**
+ * Checks if `value` is a global object.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {null|Object} Returns `value` if it's a global object, else `null`.
+ */
+function checkGlobal(value) {
+  return (value && value.Object === Object) ? value : null;
+}
+
+/**
+ * Checks if `value` is a host object in IE < 9.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a host object, else `false`.
+ */
+function isHostObject(value) {
+  // Many host objects are `Object` objects that can coerce to strings
+  // despite having improperly defined `toString` methods.
+  var result = false;
+  if (value != null && typeof value.toString != 'function') {
+    try {
+      result = !!(value + '');
+    } catch (e) {}
+  }
+  return result;
+}
+
 /** Used for built-in method references. */
-var arrayProto = Array.prototype;
+var arrayProto = Array.prototype,
+    objectProto = Object.prototype;
 
+/** Used to resolve the decompiled source of functions. */
+var funcToString = Function.prototype.toString;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var objectToString = objectProto.toString;
+
+/** Used to detect if a method is native. */
+var reIsNative = RegExp('^' +
+  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
+  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
+);
+
 /** Built-in value references. */
 var splice = arrayProto.splice;
 
+/* Built-in method references that are verified to be native. */
+var Map = getNative(root, 'Map'),
+    nativeCreate = getNative(Object, 'create');
+
 /**
+ * Creates an hash object.
+ *
+ * @private
+ * @constructor
+ * @returns {Object} Returns the new hash object.
+ */
+function Hash() {}
+
+/**
+ * Removes `key` and its value from the hash.
+ *
+ * @private
+ * @param {Object} hash The hash to modify.
+ * @param {string} key The key of the value to remove.
+ * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+ */
+function hashDelete(hash, key) {
+  return hashHas(hash, key) && delete hash[key];
+}
+
+/**
+ * Gets the hash value for `key`.
+ *
+ * @private
+ * @param {Object} hash The hash to query.
+ * @param {string} key The key of the value to get.
+ * @returns {*} Returns the entry value.
+ */
+function hashGet(hash, key) {
+  if (nativeCreate) {
+    var result = hash[key];
+    return result === HASH_UNDEFINED ? undefined : result;
+  }
+  return hasOwnProperty.call(hash, key) ? hash[key] : undefined;
+}
+
+/**
+ * Checks if a hash value for `key` exists.
+ *
+ * @private
+ * @param {Object} hash The hash to query.
+ * @param {string} key The key of the entry to check.
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+ */
+function hashHas(hash, key) {
+  return nativeCreate ? hash[key] !== undefined : hasOwnProperty.call(hash, key);
+}
+
+/**
+ * Sets the hash `key` to `value`.
+ *
+ * @private
+ * @param {Object} hash The hash to modify.
+ * @param {string} key The key of the value to set.
+ * @param {*} value The value to set.
+ */
+function hashSet(hash, key, value) {
+  hash[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
+}
+
+/**
+ * Creates a map cache object to store key-value pairs.
+ *
+ * @private
+ * @constructor
+ * @param {Array} [values] The values to cache.
+ */
+function MapCache(values) {
+  var index = -1,
+      length = values ? values.length : 0;
+
+  this.clear();
+  while (++index < length) {
+    var entry = values[index];
+    this.set(entry[0], entry[1]);
+  }
+}
+
+/**
+ * Removes all key-value entries from the map.
+ *
+ * @private
+ * @name clear
+ * @memberOf MapCache
+ */
+function mapClear() {
+  this.__data__ = {
+    'hash': new Hash,
+    'map': Map ? new Map : [],
+    'string': new Hash
+  };
+}
+
+/**
+ * Removes `key` and its value from the map.
+ *
+ * @private
+ * @name delete
+ * @memberOf MapCache
+ * @param {string} key The key of the value to remove.
+ * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+ */
+function mapDelete(key) {
+  var data = this.__data__;
+  if (isKeyable(key)) {
+    return hashDelete(typeof key == 'string' ? data.string : data.hash, key);
+  }
+  return Map ? data.map['delete'](key) : assocDelete(data.map, key);
+}
+
+/**
+ * Gets the map value for `key`.
+ *
+ * @private
+ * @name get
+ * @memberOf MapCache
+ * @param {string} key The key of the value to get.
+ * @returns {*} Returns the entry value.
+ */
+function mapGet(key) {
+  var data = this.__data__;
+  if (isKeyable(key)) {
+    return hashGet(typeof key == 'string' ? data.string : data.hash, key);
+  }
+  return Map ? data.map.get(key) : assocGet(data.map, key);
+}
+
+/**
+ * Checks if a map value for `key` exists.
+ *
+ * @private
+ * @name has
+ * @memberOf MapCache
+ * @param {string} key The key of the entry to check.
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+ */
+function mapHas(key) {
+  var data = this.__data__;
+  if (isKeyable(key)) {
+    return hashHas(typeof key == 'string' ? data.string : data.hash, key);
+  }
+  return Map ? data.map.has(key) : assocHas(data.map, key);
+}
+
+/**
+ * Sets the map `key` to `value`.
+ *
+ * @private
+ * @name set
+ * @memberOf MapCache
+ * @param {string} key The key of the value to set.
+ * @param {*} value The value to set.
+ * @returns {Object} Returns the map cache object.
+ */
+function mapSet(key, value) {
+  var data = this.__data__;
+  if (isKeyable(key)) {
+    hashSet(typeof key == 'string' ? data.string : data.hash, key, value);
+  } else if (Map) {
+    data.map.set(key, value);
+  } else {
+    assocSet(data.map, key, value);
+  }
+  return this;
+}
+
+/**
  * Creates a stack cache object to store key-value pairs.
  *
  * @private
+ * @constructor
  * @param {Array} [values] The values to cache.
@@ -211,2 +482,28 @@ */
 /**
+ * Gets the native function at `key` of `object`.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {string} key The key of the method to get.
+ * @returns {*} Returns the function if it's native, else `undefined`.
+ */
+function getNative(object, key) {
+  var value = object == null ? undefined : object[key];
+  return isNative(value) ? value : undefined;
+}
+
+/**
+ * Checks if `value` is suitable for use as unique object key.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
+ */
+function isKeyable(value) {
+  var type = typeof value;
+  return type == 'number' || type == 'boolean' ||
+    (type == 'string' && value != '__proto__') || value == null;
+}
+
+/**
  * Performs a [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
@@ -245,2 +542,118 @@ * comparison between two values to determine if they are equivalent.
 
+/**
+ * Checks if `value` is classified as a `Function` object.
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+ * @example
+ *
+ * _.isFunction(_);
+ * // => true
+ *
+ * _.isFunction(/abc/);
+ * // => false
+ */
+function isFunction(value) {
+  // The use of `Object#toString` avoids issues with the `typeof` operator
+  // in Safari 8 which returns 'object' for typed array constructors, and
+  // PhantomJS 1.9 which returns 'function' for `NodeList` instances.
+  var tag = isObject(value) ? objectToString.call(value) : '';
+  return tag == funcTag || tag == genTag;
+}
+
+/**
+ * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
+ * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+ * @example
+ *
+ * _.isObject({});
+ * // => true
+ *
+ * _.isObject([1, 2, 3]);
+ * // => true
+ *
+ * _.isObject(_.noop);
+ * // => true
+ *
+ * _.isObject(null);
+ * // => false
+ */
+function isObject(value) {
+  var type = typeof value;
+  return !!value && (type == 'object' || type == 'function');
+}
+
+/**
+ * Checks if `value` is object-like. A value is object-like if it's not `null`
+ * and has a `typeof` result of "object".
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+ * @example
+ *
+ * _.isObjectLike({});
+ * // => true
+ *
+ * _.isObjectLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isObjectLike(_.noop);
+ * // => false
+ *
+ * _.isObjectLike(null);
+ * // => false
+ */
+function isObjectLike(value) {
+  return !!value && typeof value == 'object';
+}
+
+/**
+ * Checks if `value` is a native function.
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a native function, else `false`.
+ * @example
+ *
+ * _.isNative(Array.prototype.push);
+ * // => true
+ *
+ * _.isNative(_);
+ * // => false
+ */
+function isNative(value) {
+  if (value == null) {
+    return false;
+  }
+  if (isFunction(value)) {
+    return reIsNative.test(funcToString.call(value));
+  }
+  return isObjectLike(value) &&
+    (isHostObject(value) ? reIsNative : reIsHostCtor).test(value);
+}
+
+// Avoid inheriting from `Object.prototype` when possible.
+Hash.prototype = nativeCreate ? nativeCreate(null) : objectProto;
+
+// Add functions to the `MapCache`.
+MapCache.prototype.clear = mapClear;
+MapCache.prototype['delete'] = mapDelete;
+MapCache.prototype.get = mapGet;
+MapCache.prototype.has = mapHas;
+MapCache.prototype.set = mapSet;
+
 // Add functions to the `Stack` cache.
@@ -247,0 +660,0 @@ Stack.prototype.clear = stackClear;

package.json

 {
   "name": "lodash._stack",
-  "version": "4.0.2",
+  "version": "4.1.0",
   "description": "The internal lodash function `Stack` exported as a module.",
@@ -15,6 +15,3 @@ "homepage": "https://lodash.com/",
   "repository": "lodash/lodash",
-  "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" },
-  "dependencies": {
-    "lodash._mapcache": "^4.0.0"
-  }
+  "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" }
 }

README.md

@@ -1,2 +0,2 @@
-# lodash._stack v4.0.2
+# lodash._stack v4.1.0
 
@@ -18,2 +18,2 @@ The internal [lodash](https://lodash.com/) function `Stack` exported as a [Node.js](https://nodejs.org/) module.
 
-See the [package source](https://github.com/lodash/lodash/blob/4.0.2-npm-packages/lodash._stack) for more details.
+See the [package source](https://github.com/lodash/lodash/blob/4.1.0-npm-packages/lodash._stack) for more details.

No alert changes

Improved metrics

Total package byte prevSize

19085

increased by129.64%

Dependency count

0

decreased by-100%

Lines of code

601

increased by164.76%

Dependency changes

• - Removedlodash._mapcache@^4.0.0

• - Removedlodash._mapcache@4.1.5(transitive)