lodash.concat - npm Package Compare versions

Comparing version 4.3.1 to 4.4.0

index.js

@@ -9,4 +9,20 @@ /**
  */
-var baseFlatten = require('lodash._baseflatten');
 
+/** Used as references for various `Number` constants. */
+var MAX_SAFE_INTEGER = 9007199254740991;
+
+/** `Object#toString` result references. */
+var argsTag = '[object Arguments]',
+    funcTag = '[object Function]',
+    genTag = '[object GeneratorFunction]';
+
+/** Detect free variable `global` from Node.js. */
+var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
+
+/** Detect free variable `self`. */
+var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+
+/** Used as a reference to the global object. */
+var root = freeGlobal || freeSelf || Function('return this')();
+
 /**
@@ -32,2 +48,67 @@ * Appends the elements of `values` to `array`.
 /**
+ * The base implementation of `_.property` without support for deep paths.
+ *
+ * @private
+ * @param {string} key The key of the property to get.
+ * @returns {Function} Returns the new accessor function.
+ */
+function baseProperty(key) {
+  return function(object) {
+    return object == null ? undefined : object[key];
+  };
+}
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** 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;
+
+/** Built-in value references. */
+var Symbol = root.Symbol,
+    propertyIsEnumerable = objectProto.propertyIsEnumerable,
+    spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined;
+
+/**
+ * The base implementation of `_.flatten` with support for restricting flattening.
+ *
+ * @private
+ * @param {Array} array The array to flatten.
+ * @param {number} depth The maximum recursion depth.
+ * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
+ * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
+ * @param {Array} [result=[]] The initial result value.
+ * @returns {Array} Returns the new flattened array.
+ */
+function baseFlatten(array, depth, predicate, isStrict, result) {
+  var index = -1,
+      length = array.length;
+
+  predicate || (predicate = isFlattenable);
+  result || (result = []);
+
+  while (++index < length) {
+    var value = array[index];
+    if (depth > 0 && predicate(value)) {
+      if (depth > 1) {
+        // Recursively flatten arrays (susceptible to call stack limits).
+        baseFlatten(value, depth - 1, predicate, isStrict, result);
+      } else {
+        arrayPush(result, value);
+      }
+    } else if (!isStrict) {
+      result[result.length] = value;
+    }
+  }
+  return result;
+}
+
+/**
  * Copies the values of `source` to `array`.
@@ -52,2 +133,27 @@ *
 /**
+ * Gets the "length" property value of `object`.
+ *
+ * **Note:** This function is used to avoid a
+ * [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792) that affects
+ * Safari on at least iOS 8.1-8.3 ARM64.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @returns {*} Returns the "length" value.
+ */
+var getLength = baseProperty('length');
+
+/**
+ * Checks if `value` is a flattenable `arguments` object or array.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
+ */
+function isFlattenable(value) {
+  return isArray(value) || isArguments(value) ||
+    !!(spreadableSymbol && value && value[spreadableSymbol])
+}
+
+/**
  * Creates a new array concatenating `array` with any additional arrays
@@ -89,3 +195,3 @@ * and/or values.
 /**
- * Checks if `value` is classified as an `Array` object.
+ * Checks if `value` is likely an `arguments` object.
  *
@@ -95,9 +201,31 @@ * @static
  * @since 0.1.0
- * @type {Function}
  * @category Lang
  * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
+ * @returns {boolean} Returns `true` if `value` is an `arguments` object,
  *  else `false`.
  * @example
  *
+ * _.isArguments(function() { return arguments; }());
+ * // => true
+ *
+ * _.isArguments([1, 2, 3]);
+ * // => false
+ */
+function isArguments(value) {
+  // Safari 8.1 incorrectly makes `arguments.callee` enumerable in strict mode.
+  return isArrayLikeObject(value) && hasOwnProperty.call(value, 'callee') &&
+    (!propertyIsEnumerable.call(value, 'callee') || objectToString.call(value) == argsTag);
+}
+
+/**
+ * Checks if `value` is classified as an `Array` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+ * @example
+ *
  * _.isArray([1, 2, 3]);
@@ -117,2 +245,175 @@ * // => true
 
+/**
+ * Checks if `value` is array-like. A value is considered array-like if it's
+ * not a function and has a `value.length` that's an integer greater than or
+ * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+ * @example
+ *
+ * _.isArrayLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isArrayLike(document.body.children);
+ * // => true
+ *
+ * _.isArrayLike('abc');
+ * // => true
+ *
+ * _.isArrayLike(_.noop);
+ * // => false
+ */
+function isArrayLike(value) {
+  return value != null && isLength(getLength(value)) && !isFunction(value);
+}
+
+/**
+ * This method is like `_.isArrayLike` except that it also checks if `value`
+ * is an object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an array-like object,
+ *  else `false`.
+ * @example
+ *
+ * _.isArrayLikeObject([1, 2, 3]);
+ * // => true
+ *
+ * _.isArrayLikeObject(document.body.children);
+ * // => true
+ *
+ * _.isArrayLikeObject('abc');
+ * // => false
+ *
+ * _.isArrayLikeObject(_.noop);
+ * // => false
+ */
+function isArrayLikeObject(value) {
+  return isObjectLike(value) && isArrayLike(value);
+}
+
+/**
+ * Checks if `value` is classified as a `Function` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a function, 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 and weak map 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 a valid array-like length.
+ *
+ * **Note:** This function is loosely based on
+ * [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a valid length,
+ *  else `false`.
+ * @example
+ *
+ * _.isLength(3);
+ * // => true
+ *
+ * _.isLength(Number.MIN_VALUE);
+ * // => false
+ *
+ * _.isLength(Infinity);
+ * // => false
+ *
+ * _.isLength('3');
+ * // => false
+ */
+function isLength(value) {
+  return typeof value == 'number' &&
+    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
+}
+
+/**
+ * Checks if `value` is the
+ * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
+ * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @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 _
+ * @since 4.0.0
+ * @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';
+}
+
 module.exports = concat;

package.json

 {
   "name": "lodash.concat",
-  "version": "4.3.1",
+  "version": "4.4.0",
   "description": "The lodash method `_.concat` exported as a module.",
@@ -16,6 +16,3 @@ "homepage": "https://lodash.com/",
   "repository": "lodash/lodash",
-  "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" },
-  "dependencies": {
-    "lodash._baseflatten": "~4.2.0"
-  }
+  "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" }
 }

README.md

@@ -1,2 +0,2 @@
-# lodash.concat v4.3.1
+# lodash.concat v4.4.0
 
@@ -18,2 +18,2 @@ The [lodash](https://lodash.com/) method `_.concat` exported as a [Node.js](https://nodejs.org/) module.
 
-See the [documentation](https://lodash.com/docs#concat) or [package source](https://github.com/lodash/lodash/blob/4.3.1-npm-packages/lodash.concat) for more details.
+See the [documentation](https://lodash.com/docs#concat) or [package source](https://github.com/lodash/lodash/blob/4.4.0-npm-packages/lodash.concat) for more details.

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Improved metrics

Total package byte prevSize

13669

increased by134.78%

Dependency count

0

decreased by-100%

Lines of code

383

increased by268.27%

Worsened metrics

Number of medium supply chain risk alerts

1

increased byInfinity%

Dependency changes

• - Removedlodash._baseflatten@~4.2.0

• - Removedlodash._baseflatten@4.2.1(transitive)