lodash.round - npm Package Compare versions

Comparing version 3.10.0 to 3.10.1

index.js

 /**
- * lodash 3.10.0 (Custom Build) <https://lodash.com/>
- * Build: `lodash modern modularize exports="npm" -o ./`
- * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
+ * lodash 3.10.1 (Custom Build) <https://lodash.com/>
+ * Build: `lodash modularize exports="npm" -o ./`
+ * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
- * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ * Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
  * Available under MIT license <https://lodash.com/license>
  */
 
-/** Native method references. */
-var pow = Math.pow;
+/** Used as references for various `Number` constants. */
+var INFINITY = 1 / 0,
+    MAX_INTEGER = 1.7976931348623157e+308,
+    NAN = 0 / 0;
 
+/** `Object#toString` result references. */
+var funcTag = '[object Function]',
+    genTag = '[object GeneratorFunction]',
+    symbolTag = '[object Symbol]';
+
+/** Used to match leading and trailing whitespace. */
+var reTrim = /^\s+|\s+$/g;
+
+/** Used to detect bad signed hexadecimal string values. */
+var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
+
+/** Used to detect binary string values. */
+var reIsBinary = /^0b[01]+$/i;
+
+/** Used to detect octal string values. */
+var reIsOctal = /^0o[0-7]+$/i;
+
+/** Built-in method references without a dependency on `global`. */
+var freeParseInt = parseInt;
+
+/** Used for built-in method references. */
+var objectProto = global.Object.prototype;
+
 /**
- * Creates a `_.ceil`, `_.floor`, or `_.round` function.
+ * 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 = global.Symbol;
+
+/** Used to convert symbols to primitives and strings. */
+var symbolProto = _Symbol ? _Symbol.prototype : undefined,
+    symbolToString = _Symbol ? symbolProto.toString : undefined;
+
+/**
+ * Creates a function like `_.round`.
  *
@@ -23,6 +61,12 @@ * @private
   return function(number, precision) {
-    precision = precision === undefined ? 0 : (+precision || 0);
+    number = toNumber(number);
+    precision = toInteger(precision);
     if (precision) {
-      precision = pow(10, precision);
-      return func(number * precision) / precision;
+      // Shift with exponential notation to avoid floating-point issues.
+      // See [MDN](https://mdn.io/round#Examples) for more details.
+      var pair = (toString(number) + 'e').split('e'),
+          value = func(pair[0] + 'e' + (+pair[1] + precision));
+
+      pair = (toString(value) + 'e').split('e');
+      return +(pair[0] + 'e' + (+pair[1] - precision));
     }
@@ -34,8 +78,219 @@ return func(number);
 /**
- * Calculates `n` rounded to `precision`.
+ * 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) {
+  // Avoid a V8 JIT bug in Chrome 19-20.
+  // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
+  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 classified as a `Symbol` primitive or object.
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+ * @example
+ *
+ * _.isSymbol(Symbol.iterator);
+ * // => true
+ *
+ * _.isSymbol('abc');
+ * // => false
+ */
+function isSymbol(value) {
+  return typeof value == 'symbol' ||
+    (isObjectLike(value) && objectToString.call(value) == symbolTag);
+}
+
+/**
+ * Converts `value` to an integer.
+ *
+ * **Note:** This function is loosely based on [`ToInteger`](http://www.ecma-international.org/ecma-262/6.0/#sec-tointeger).
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to convert.
+ * @returns {number} Returns the converted integer.
+ * @example
+ *
+ * _.toInteger(3);
+ * // => 3
+ *
+ * _.toInteger(Number.MIN_VALUE);
+ * // => 0
+ *
+ * _.toInteger(Infinity);
+ * // => 1.7976931348623157e+308
+ *
+ * _.toInteger('3');
+ * // => 3
+ */
+function toInteger(value) {
+  if (!value) {
+    return value === 0 ? value : 0;
+  }
+  value = toNumber(value);
+  if (value === INFINITY || value === -INFINITY) {
+    var sign = (value < 0 ? -1 : 1);
+    return sign * MAX_INTEGER;
+  }
+  var remainder = value % 1;
+  return value === value ? (remainder ? value - remainder : value) : 0;
+}
+
+/**
+ * Converts `value` to a number.
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to process.
+ * @returns {number} Returns the number.
+ * @example
+ *
+ * _.toNumber(3);
+ * // => 3
+ *
+ * _.toNumber(Number.MIN_VALUE);
+ * // => 5e-324
+ *
+ * _.toNumber(Infinity);
+ * // => Infinity
+ *
+ * _.toNumber('3');
+ * // => 3
+ */
+function toNumber(value) {
+  if (isObject(value)) {
+    var other = isFunction(value.valueOf) ? value.valueOf() : value;
+    value = isObject(other) ? (other + '') : other;
+  }
+  if (typeof value != 'string') {
+    return value === 0 ? value : +value;
+  }
+  value = value.replace(reTrim, '');
+  var isBinary = reIsBinary.test(value);
+  return (isBinary || reIsOctal.test(value))
+    ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
+    : (reIsBadHex.test(value) ? NAN : +value);
+}
+
+/**
+ * Converts `value` to a string if it's not one. An empty string is returned
+ * for `null` and `undefined` values. The sign of `-0` is preserved.
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to process.
+ * @returns {string} Returns the string.
+ * @example
+ *
+ * _.toString(null);
+ * // => ''
+ *
+ * _.toString(-0);
+ * // => '-0'
+ *
+ * _.toString([1, 2, 3]);
+ * // => '1,2,3'
+ */
+function toString(value) {
+  // Exit early for strings to avoid a performance hit in some environments.
+  if (typeof value == 'string') {
+    return value;
+  }
+  if (value == null) {
+    return '';
+  }
+  if (isSymbol(value)) {
+    return _Symbol ? symbolToString.call(value) : '';
+  }
+  var result = (value + '');
+  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+}
+
+/**
+ * Computes `number` rounded to `precision`.
+ *
+ * @static
+ * @memberOf _
  * @category Math
- * @param {number} n The number to round.
+ * @param {number} number The number to round.
  * @param {number} [precision=0] The precision to round to.
@@ -42,0 +297,0 @@ * @returns {number} Returns the rounded number.

package.json

 {
   "name": "lodash.round",
-  "version": "3.10.0",
-  "description": "The modern build of lodash’s `_.round` as a module.",
+  "version": "3.10.1",
+  "description": "The lodash method `_.round` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
   "license": "MIT",
-  "keywords": "lodash, lodash-modularized, stdlib, util",
+  "keywords": "lodash, lodash-modularized, stdlib, util, round",
   "author": "John-David Dalton <[e-mail]> (http://allyoucanleet.com/)",
   "contributors": [
     "John-David Dalton <[e-mail]> (http://allyoucanleet.com/)",
-    "Benjamin Tan <[e-mail]> (https://d10.github.io/)",
-    "Blaine Bublitz <[e-mail]> (http://www.iceddev.com/)",
-    "Kit Cambridge <[e-mail]> (http://kitcambridge.be/)",
+    "Blaine Bublitz <[e-mail]> (https://github.com/phated)",
     "Mathias Bynens <[e-mail]> (https://mathiasbynens.be/)"
@@ -16,0 +14,0 @@ ],

README.md

@@ -1,4 +0,4 @@
-# lodash.round v3.10.0
+# lodash.round v3.10.1
 
-The [modern build](https://github.com/lodash/lodash/wiki/Build-Differences) of [lodash’s](https://lodash.com/) `_.round` exported as a [Node.js](http://nodejs.org/)/[io.js](https://iojs.org/) module.
+The [lodash](https://lodash.com/) method `_.round` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -8,3 +8,2 @@ ## Installation
 Using npm:
-
 ```bash
@@ -15,4 +14,3 @@ $ {sudo -H} npm i -g npm
 
-In Node.js/io.js:
-
+In Node.js:
 ```js
@@ -22,2 +20,2 @@ var round = require('lodash.round');
 
-See the [documentation](https://lodash.com/docs#round) or [package source](https://github.com/lodash/lodash/blob/3.10.0-npm-packages/lodash.round) for more details.
+See the [documentation](https://lodash.com/docs#round) or [package source](https://github.com/lodash/lodash/blob/3.10.1-npm-packages/lodash.round) for more details.

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Improved metrics

Total package byte prevSize

10278

increased by150.19%

Lines of code

287

increased by474%

Worsened metrics

Number of lines in readme file

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decreased by-9.52%

Number of medium supply chain risk alerts

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increased byInfinity%

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