math-sign-x - npm Package Compare versions

Comparing version 1.1.0 to 1.2.0

.eslintrc.json

 {
   "root": true,
-  "extends": "@ljharb",
-  "plugins": [
-    "import"
-  ],
-  "rules": {
-    "indent": ["error", 2, {
-      "SwitchCase": 1
-    }],
-    "global-require": 0,
-    "max-params": 0,
-    "block-scoped-var": 1
-  }
-}
+  "extends": [
+    "@xotic750/eslint-config-standard-x"
+  ]
+}

index.js

@@ -31,3 +31,3 @@ /**
  *
- * @version 1.1.0
+ * @version 1.2.0
  * @author Xotic750 <[e-mail]>
@@ -39,48 +39,42 @@ * @copyright  Xotic750
 
-/* eslint strict: 1 */
+'use strict';
 
-/* global module */
+var $isNaN = require('is-nan');
 
-;(function () { // eslint-disable-line no-extra-semi
+var $sign;
+if (typeof Math.sign === 'function') {
+  try {
+    if (Math.sign(10) === 1 && Math.sign(-10) === -1 && Math.sign(0) === 0) {
+      $sign = Math.sign;
+    }
+  } catch (ignore) {}
+}
 
-  'use strict';
-
-  var $isNaN = require('is-nan');
-
-  var $sign;
-  if (typeof Math.sign === 'function') {
-    try {
-      if (Math.sign(10) === 1 && Math.sign(-10) === -1 && Math.sign(0) === 0) {
-        $sign = Math.sign;
-      }
-    } catch (ignore) {}
+/**
+ * This method returns the sign of a number, indicating whether the number is positive,
+ * negative or zero.
+ *
+ * @param {*} x - A number.
+ * @returns {number} A number representing the sign of the given argument. If the argument
+ * is a positive number, negative number, positive zero or negative zero, the function will
+ * return 1, -1, 0 or -0 respectively. Otherwise, NaN is returned.
+ * @example
+ * var mathSign = require('math-sign-x');
+ *
+ * mathSign(3);     //  1
+ * mathSign(-3);    // -1
+ * mathSign('-3');  // -1
+ * mathSign(0);     //  0
+ * mathSign(-0);    // -0
+ * mathSign(NaN);   // NaN
+ * mathSign('foo'); // NaN
+ * mathSign();      // NaN
+ */
+module.exports = $sign || function sign(x) {
+  var n = Number(x);
+  if (n === 0 || $isNaN(n)) {
+    return n;
   }
 
-  /**
-   * This method returns the sign of a number, indicating whether the number is positive,
-   * negative or zero.
-   *
-   * @param {*} x A number.
-   * @return {number} A number representing the sign of the given argument. If the argument
-   * is a positive number, negative number, positive zero or negative zero, the function will
-   * return 1, -1, 0 or -0 respectively. Otherwise, NaN is returned.
-   * @example
-   * var mathSign = require('math-sign-x');
-   *
-   * mathSign(3);     //  1
-   * mathSign(-3);    // -1
-   * mathSign('-3');  // -1
-   * mathSign(0);     //  0
-   * mathSign(-0);    // -0
-   * mathSign(NaN);   // NaN
-   * mathSign('foo'); // NaN
-   * mathSign();      // NaN
-   */
-  module.exports = $sign || function sign(x) {
-    var n = Number(x);
-    if (n === 0 || $isNaN(n)) {
-      return n;
-    }
-    return n > 0 ? 1 : -1;
-  };
-}());
+  return n > 0 ? 1 : -1;
+};

lib/math-sign-x.js

@@ -32,3 +32,3 @@ (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.returnExports = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
  *
- * @version 1.1.0
+ * @version 1.2.0
  * @author Xotic750 <[e-mail]>
@@ -40,49 +40,43 @@ * @copyright  Xotic750
 
-/* eslint strict: 1 */
+'use strict';
 
-/* global module */
+var $isNaN = _dereq_('is-nan');
 
-;(function () { // eslint-disable-line no-extra-semi
+var $sign;
+if (typeof Math.sign === 'function') {
+  try {
+    if (Math.sign(10) === 1 && Math.sign(-10) === -1 && Math.sign(0) === 0) {
+      $sign = Math.sign;
+    }
+  } catch (ignore) {}
+}
 
-  'use strict';
-
-  var $isNaN = _dereq_('is-nan');
-
-  var $sign;
-  if (typeof Math.sign === 'function') {
-    try {
-      if (Math.sign(10) === 1 && Math.sign(-10) === -1 && Math.sign(0) === 0) {
-        $sign = Math.sign;
-      }
-    } catch (ignore) {}
+/**
+ * This method returns the sign of a number, indicating whether the number is positive,
+ * negative or zero.
+ *
+ * @param {*} x - A number.
+ * @returns {number} A number representing the sign of the given argument. If the argument
+ * is a positive number, negative number, positive zero or negative zero, the function will
+ * return 1, -1, 0 or -0 respectively. Otherwise, NaN is returned.
+ * @example
+ * var mathSign = require('math-sign-x');
+ *
+ * mathSign(3);     //  1
+ * mathSign(-3);    // -1
+ * mathSign('-3');  // -1
+ * mathSign(0);     //  0
+ * mathSign(-0);    // -0
+ * mathSign(NaN);   // NaN
+ * mathSign('foo'); // NaN
+ * mathSign();      // NaN
+ */
+module.exports = $sign || function sign(x) {
+  var n = Number(x);
+  if (n === 0 || $isNaN(n)) {
+    return n;
   }
 
-  /**
-   * This method returns the sign of a number, indicating whether the number is positive,
-   * negative or zero.
-   *
-   * @param {*} x A number.
-   * @return {number} A number representing the sign of the given argument. If the argument
-   * is a positive number, negative number, positive zero or negative zero, the function will
-   * return 1, -1, 0 or -0 respectively. Otherwise, NaN is returned.
-   * @example
-   * var mathSign = require('math-sign-x');
-   *
-   * mathSign(3);     //  1
-   * mathSign(-3);    // -1
-   * mathSign('-3');  // -1
-   * mathSign(0);     //  0
-   * mathSign(-0);    // -0
-   * mathSign(NaN);   // NaN
-   * mathSign('foo'); // NaN
-   * mathSign();      // NaN
-   */
-  module.exports = $sign || function sign(x) {
-    var n = Number(x);
-    if (n === 0 || $isNaN(n)) {
-      return n;
-    }
-    return n > 0 ? 1 : -1;
-  };
-}());
+  return n > 0 ? 1 : -1;
+};
 
@@ -89,0 +83,0 @@ },{"is-nan":5}],2:[function(_dereq_,module,exports){

lib/math-sign-x.min.js

@@ -1,2 +0,1 @@
-!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.returnExports=e()}}(function(){return function e(t,r,n){function s(i,c){if(!r[i]){if(!t[i]){var u="function"==typeof require&&require;if(!c&&u)return u(i,!0);if(o)return o(i,!0);var f=new Error("Cannot find module '"+i+"'");throw f.code="MODULE_NOT_FOUND",f}var l=r[i]={exports:{}};t[i][0].call(l.exports,function(e){var r=t[i][1][e];return s(r?r:e)},l,l.exports,e,t,r,n)}return r[i].exports}for(var o="function"==typeof require&&require,i=0;i<n.length;i++)s(n[i]);return s}({1:[function(e,t,r){!function(){"use strict";var r,n=e("is-nan");if("function"==typeof Math.sign)try{1===Math.sign(10)&&Math.sign(-10)===-1&&0===Math.sign(0)&&(r=Math.sign)}catch(e){}t.exports=r||function sign(e){var t=Number(e);return 0===t||n(t)?t:t>0?1:-1}}()},{"is-nan":5}],2:[function(e,t,r){"use strict";var n=e("object-keys"),o=e("foreach"),i="function"==typeof Symbol&&"symbol"==typeof Symbol(),c=Object.prototype.toString,u=function(e){return"function"==typeof e&&"[object Function]"===c.call(e)},f=Object.defineProperty&&function(){var e={};try{Object.defineProperty(e,"x",{enumerable:!1,value:e});for(var t in e)return!1;return e.x===e}catch(e){return!1}}(),l=function(e,t,r,n){(!(t in e)||u(n)&&n())&&(f?Object.defineProperty(e,t,{configurable:!0,enumerable:!1,value:r,writable:!0}):e[t]=r)},s=function(e,t){var r=arguments.length>2?arguments[2]:{},c=n(t);i&&(c=c.concat(Object.getOwnPropertySymbols(t))),o(c,function(n){l(e,n,t[n],r[n])})};s.supportsDescriptors=!!f,t.exports=s},{foreach:3,"object-keys":8}],3:[function(e,t,r){var n=Object.prototype.hasOwnProperty,o=Object.prototype.toString;t.exports=function forEach(e,t,r){if("[object Function]"!==o.call(t))throw new TypeError("iterator must be a function");var i=e.length;if(i===+i)for(var c=0;c<i;c++)t.call(r,e[c],c,e);else for(var u in e)n.call(e,u)&&t.call(r,e[u],u,e)}},{}],4:[function(e,t,r){"use strict";t.exports=function isNaN(e){return e!==e}},{}],5:[function(e,t,r){"use strict";var n=e("define-properties"),o=e("./implementation");n(o,{getPolyfill:e("./polyfill"),implementation:o,shim:e("./shim")}),t.exports=o},{"./implementation":4,"./polyfill":6,"./shim":7,"define-properties":2}],6:[function(e,t,r){"use strict";var n=e("./implementation");t.exports=function getPolyfill(){return Number.isNaN&&Number.isNaN(NaN)&&!Number.isNaN("a")?Number.isNaN:n}},{"./implementation":4}],7:[function(e,t,r){"use strict";var n=e("define-properties"),o=e("./polyfill");t.exports=function shimNumberIsNaN(){var e=o();return n(Number,{isNaN:e},{isNaN:function(){return Number.isNaN!==e}}),e}},{"./polyfill":6,"define-properties":2}],8:[function(e,t,r){"use strict";var n=Object.prototype.hasOwnProperty,o=Object.prototype.toString,i=Array.prototype.slice,c=e("./isArguments"),u=Object.prototype.propertyIsEnumerable,f=!u.call({toString:null},"toString"),l=u.call(function(){},"prototype"),s=["toString","toLocaleString","valueOf","hasOwnProperty","isPrototypeOf","propertyIsEnumerable","constructor"],a=function(e){var t=e.constructor;return t&&t.prototype===e},p={$console:!0,$external:!0,$frame:!0,$frameElement:!0,$frames:!0,$innerHeight:!0,$innerWidth:!0,$outerHeight:!0,$outerWidth:!0,$pageXOffset:!0,$pageYOffset:!0,$parent:!0,$scrollLeft:!0,$scrollTop:!0,$scrollX:!0,$scrollY:!0,$self:!0,$webkitIndexedDB:!0,$webkitStorageInfo:!0,$window:!0},y=function(){if("undefined"==typeof window)return!1;for(var e in window)try{if(!p["$"+e]&&n.call(window,e)&&null!==window[e]&&"object"==typeof window[e])try{a(window[e])}catch(e){return!0}}catch(e){return!0}return!1}(),b=function(e){if("undefined"==typeof window||!y)return a(e);try{return a(e)}catch(e){return!1}},m=function keys(e){var t=null!==e&&"object"==typeof e,r="[object Function]"===o.call(e),i=c(e),u=t&&"[object String]"===o.call(e),a=[];if(!t&&!r&&!i)throw new TypeError("Object.keys called on a non-object");var p=l&&r;if(u&&e.length>0&&!n.call(e,0))for(var y=0;y<e.length;++y)a.push(String(y));if(i&&e.length>0)for(var m=0;m<e.length;++m)a.push(String(m));else for(var h in e)p&&"prototype"===h||!n.call(e,h)||a.push(String(h));if(f)for(var g=b(e),d=0;d<s.length;++d)g&&"constructor"===s[d]||!n.call(e,s[d])||a.push(s[d]);return a};m.shim=function shimObjectKeys(){if(Object.keys){if(!function(){return 2===(Object.keys(arguments)||"").length}(1,2)){var e=Object.keys;Object.keys=function keys(t){return e(c(t)?i.call(t):t)}}}else Object.keys=m;return Object.keys||m},t.exports=m},{"./isArguments":9}],9:[function(e,t,r){"use strict";var n=Object.prototype.toString;t.exports=function isArguments(e){var t=n.call(e),r="[object Arguments]"===t;return r||(r="[object Array]"!==t&&null!==e&&"object"==typeof e&&"number"==typeof e.length&&e.length>=0&&"[object Function]"===n.call(e.callee)),r}},{}]},{},[1])(1)});
-//# sourceMappingURL=lib/math-sign-x.map
+!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).returnExports=e()}}(function(){return function e(t,r,n){function s(i,c){if(!r[i]){if(!t[i]){var u="function"==typeof require&&require;if(!c&&u)return u(i,!0);if(o)return o(i,!0);var f=new Error("Cannot find module '"+i+"'");throw f.code="MODULE_NOT_FOUND",f}var l=r[i]={exports:{}};t[i][0].call(l.exports,function(e){var r=t[i][1][e];return s(r||e)},l,l.exports,e,t,r,n)}return r[i].exports}for(var o="function"==typeof require&&require,i=0;i<n.length;i++)s(n[i]);return s}({1:[function(e,t,r){"use strict";var n,o=e("is-nan");if("function"==typeof Math.sign)try{1===Math.sign(10)&&-1===Math.sign(-10)&&0===Math.sign(0)&&(n=Math.sign)}catch(e){}t.exports=n||function sign(e){var t=Number(e);return 0===t||o(t)?t:t>0?1:-1}},{"is-nan":5}],2:[function(e,t,r){"use strict";var n=e("object-keys"),o=e("foreach"),i="function"==typeof Symbol&&"symbol"==typeof Symbol(),c=Object.prototype.toString,u=function(e){return"function"==typeof e&&"[object Function]"===c.call(e)},f=Object.defineProperty&&function(){var e={};try{Object.defineProperty(e,"x",{enumerable:!1,value:e});for(var t in e)return!1;return e.x===e}catch(e){return!1}}(),l=function(e,t,r,n){(!(t in e)||u(n)&&n())&&(f?Object.defineProperty(e,t,{configurable:!0,enumerable:!1,value:r,writable:!0}):e[t]=r)},s=function(e,t){var r=arguments.length>2?arguments[2]:{},c=n(t);i&&(c=c.concat(Object.getOwnPropertySymbols(t))),o(c,function(n){l(e,n,t[n],r[n])})};s.supportsDescriptors=!!f,t.exports=s},{foreach:3,"object-keys":8}],3:[function(e,t,r){var n=Object.prototype.hasOwnProperty,o=Object.prototype.toString;t.exports=function forEach(e,t,r){if("[object Function]"!==o.call(t))throw new TypeError("iterator must be a function");var i=e.length;if(i===+i)for(var c=0;c<i;c++)t.call(r,e[c],c,e);else for(var u in e)n.call(e,u)&&t.call(r,e[u],u,e)}},{}],4:[function(e,t,r){"use strict";t.exports=function isNaN(e){return e!==e}},{}],5:[function(e,t,r){"use strict";var n=e("define-properties"),o=e("./implementation");n(o,{getPolyfill:e("./polyfill"),implementation:o,shim:e("./shim")}),t.exports=o},{"./implementation":4,"./polyfill":6,"./shim":7,"define-properties":2}],6:[function(e,t,r){"use strict";var n=e("./implementation");t.exports=function getPolyfill(){return Number.isNaN&&Number.isNaN(NaN)&&!Number.isNaN("a")?Number.isNaN:n}},{"./implementation":4}],7:[function(e,t,r){"use strict";var n=e("define-properties"),o=e("./polyfill");t.exports=function shimNumberIsNaN(){var e=o();return n(Number,{isNaN:e},{isNaN:function(){return Number.isNaN!==e}}),e}},{"./polyfill":6,"define-properties":2}],8:[function(e,t,r){"use strict";var n=Object.prototype.hasOwnProperty,o=Object.prototype.toString,i=Array.prototype.slice,c=e("./isArguments"),u=Object.prototype.propertyIsEnumerable,f=!u.call({toString:null},"toString"),l=u.call(function(){},"prototype"),s=["toString","toLocaleString","valueOf","hasOwnProperty","isPrototypeOf","propertyIsEnumerable","constructor"],a=function(e){var t=e.constructor;return t&&t.prototype===e},p={$console:!0,$external:!0,$frame:!0,$frameElement:!0,$frames:!0,$innerHeight:!0,$innerWidth:!0,$outerHeight:!0,$outerWidth:!0,$pageXOffset:!0,$pageYOffset:!0,$parent:!0,$scrollLeft:!0,$scrollTop:!0,$scrollX:!0,$scrollY:!0,$self:!0,$webkitIndexedDB:!0,$webkitStorageInfo:!0,$window:!0},y=function(){if("undefined"==typeof window)return!1;for(var e in window)try{if(!p["$"+e]&&n.call(window,e)&&null!==window[e]&&"object"==typeof window[e])try{a(window[e])}catch(e){return!0}}catch(e){return!0}return!1}(),b=function(e){if("undefined"==typeof window||!y)return a(e);try{return a(e)}catch(e){return!1}},m=function keys(e){var t=null!==e&&"object"==typeof e,r="[object Function]"===o.call(e),i=c(e),u=t&&"[object String]"===o.call(e),a=[];if(!t&&!r&&!i)throw new TypeError("Object.keys called on a non-object");var p=l&&r;if(u&&e.length>0&&!n.call(e,0))for(var y=0;y<e.length;++y)a.push(String(y));if(i&&e.length>0)for(var m=0;m<e.length;++m)a.push(String(m));else for(var h in e)p&&"prototype"===h||!n.call(e,h)||a.push(String(h));if(f)for(var g=b(e),d=0;d<s.length;++d)g&&"constructor"===s[d]||!n.call(e,s[d])||a.push(s[d]);return a};m.shim=function shimObjectKeys(){if(Object.keys){if(!function(){return 2===(Object.keys(arguments)||"").length}(1,2)){var e=Object.keys;Object.keys=function keys(t){return e(c(t)?i.call(t):t)}}}else Object.keys=m;return Object.keys||m},t.exports=m},{"./isArguments":9}],9:[function(e,t,r){"use strict";var n=Object.prototype.toString;t.exports=function isArguments(e){var t=n.call(e),r="[object Arguments]"===t;return r||(r="[object Array]"!==t&&null!==e&&"object"==typeof e&&"number"==typeof e.length&&e.length>=0&&"[object Function]"===n.call(e.callee)),r}},{}]},{},[1])(1)});

package.json

 {
   "name": "math-sign-x",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "ES6-compliant shim for Math.sign.",
@@ -12,3 +12,4 @@ "homepage": "https://github.com/Xotic750/math-sign-x",
   "keywords": [
-    "sameValueZero",
+    "math",
+    "sign",
     "module",
@@ -35,32 +36,48 @@ "javascript",
   "devDependencies": {
-    "@ljharb/eslint-config": "^11.0.0",
-    "browserify": "^14.1.0",
+    "@xotic750/eslint-config-standard-x": "^1.4.0",
+    "browserify": "^14.4.0",
     "browserify-derequire": "^0.9.4",
+    "cross-env": "^5.0.1",
     "es5-shim": "^4.5.9",
     "es6-shim": "^0.35.3",
     "es7-shim": "^6.0.0",
-    "eslint": "^3.18.0",
-    "eslint-plugin-import": "^2.2.0",
+    "eslint": "^4.1.1",
+    "eslint-plugin-compat": "^1.0.4",
+    "eslint-plugin-css-modules": "^2.7.2",
+    "eslint-plugin-eslint-comments": "^1.0.2",
+    "eslint-plugin-jsdoc": "^3.1.1",
+    "eslint-plugin-json": "^1.2.0",
+    "eslint-plugin-no-use-extend-native": "^0.3.12",
+    "husky": "^0.13.4",
     "jasmine-node": "^1.14.5",
     "jsdoc-to-markdown": "^3.0.0",
     "json3": "^3.3.2",
-    "make-jasmine-spec-runner-html": "^1.1.0",
+    "make-jasmine-spec-runner-html": "^1.2.0",
     "nodemon": "^1.11.0",
     "nsp": "^2.6.3",
-    "replace-x": "^1.1.1",
-    "uglify-js": "^2.8.16"
+    "parallelshell": "^3.0.1",
+    "replace-x": "^1.3.1",
+    "rimraf": "^2.6.1",
+    "serve": "^6.0.0",
+    "uglify-js": "^3.0.23"
   },
   "scripts": {
-    "build": "npm run build:setver && npm run security && npm run eslint && npm run browserify && npm run uglify && npm run docs && npm run build:jasmine && npm test",
-    "build:jasmine": "make-jasmine-spec-runner-html",
+    "clean": "rimraf README.md lib/*",
+    "clean:jasmine": "rimraf tests/index.html tests/run.js",
+    "clean:all": "npm run clean:jasmine &&  npm run clean",
+    "build": "npm run clean && npm run lint && npm run browserify && npm run uglify && npm run docs && npm test && npm run security",
+    "build:jasmine": "npm run clean:jasmine && make-jasmine-spec-runner-html",
     "build:setver": "PKG_VER=$(node -p -e \"require('./package.json').version\") && replace-x \" @version .*\" \" @version ${PKG_VER}\" index.js",
-    "build:watch": "nodemon --watch index.js --watch package.json --exec 'npm run build'",
+    "production": "npm run clean:all && npm run build:jasmine && npm run build:setver && npm run build",
+    "start": "parallelshell \"serve\" \"nodemon --watch index.js --exec 'npm run build'\"",
     "docs": "jsdoc2md --name-format --example-lang js index.js > README.md",
-    "eslint": "eslint *.js tests/spec/*.js",
+    "lint": "eslint *.js tests/spec/*.js",
+    "lint-fix": "eslint --fix *.js tests/spec/*.js",
     "security": "nsp check",
     "test": "jasmine-node --matchall tests/spec/",
-    "test:watch": "nodemon --watch tests/spec/test.js --exec 'npm test'",
     "browserify": "browserify -p browserify-derequire -e index.js -o lib/math-sign-x.js -u 'crypto' -s returnExports",
-    "uglify": "uglifyjs lib/math-sign-x.js -o lib/math-sign-x.min.js --compress --keep-fnames --mangle --beautify ascii_only=true,beautify=false --source-map lib/math-sign-x.map"
+    "uglify": "uglifyjs lib/math-sign-x.js -o lib/math-sign-x.min.js --support-ie8 --compress --keep-fnames --mangle --beautify ascii_only=true,beautify=false --source-map filename=lib/math-sign-x.map",
+    "precommit": "npm run production",
+    "prepush": "npm run production"
   }
 }

README.md

@@ -31,3 +31,3 @@ <a name="module_math-sign-x"></a>
 **See**: [20.2.2.29 Math.sign(x)](http://www.ecma-international.org/ecma-262/6.0/#sec-math.sign)  
-**Version**: 1.1.0  
+**Version**: 1.2.0  
 **Author**: Xotic750 <[e-mail]>  
@@ -34,0 +34,0 @@ **License**: [MIT](&lt;https://opensource.org/licenses/MIT&gt;)

tests/spec/test.js

@@ -1,81 +0,73 @@
-/* eslint strict: 1, max-lines: 1, symbol-description: 1, max-nested-callbacks: 1,
-   max-statements: 1, no-magic-numbers: 1, id-length: 1 */
+'use strict';
 
-/* global JSON:true, expect, module, require, describe, it, xit, returnExports */
+var mathSign;
+if (typeof module === 'object' && module.exports) {
+  require('es5-shim');
+  require('es5-shim/es5-sham');
+  if (typeof JSON === 'undefined') {
+    JSON = {};
+  }
+  require('json3').runInContext(null, JSON);
+  require('es6-shim');
+  var es7 = require('es7-shim');
+  Object.keys(es7).forEach(function (key) {
+    var obj = es7[key];
+    if (typeof obj.shim === 'function') {
+      obj.shim();
+    }
+  });
+  mathSign = require('../../index.js');
+} else {
+  mathSign = returnExports;
+}
 
-;(function () { // eslint-disable-line no-extra-semi
+var ifFunctionsHaveNamesIt = function foo() {}.name === 'foo' ? it : xit;
 
-  'use strict';
+var isPositiveZero = function (zero) {
+  return zero === 0 && 1 / zero === Infinity;
+};
 
-  var mathSign;
-  if (typeof module === 'object' && module.exports) {
-    require('es5-shim');
-    require('es5-shim/es5-sham');
-    if (typeof JSON === 'undefined') {
-      JSON = {};
-    }
-    require('json3').runInContext(null, JSON);
-    require('es6-shim');
-    var es7 = require('es7-shim');
-    Object.keys(es7).forEach(function (key) {
-      var obj = es7[key];
-      if (typeof obj.shim === 'function') {
-        obj.shim();
-      }
-    });
-    mathSign = require('../../index.js');
-  } else {
-    mathSign = returnExports;
-  }
+var isNegativeZero = function (zero) {
+  return zero === 0 && 1 / zero === -Infinity;
+};
 
-  var ifFunctionsHaveNamesIt = function foo() {}.name === 'foo' ? it : xit;
+var numberIsNaN = function (value) {
+  return value !== value;
+};
 
-  var isPositiveZero = function (zero) {
-    return zero === 0 && 1 / zero === Infinity;
-  };
+describe('mathSign', function () {
+  ifFunctionsHaveNamesIt('has the right name', function () {
+    expect(mathSign.name).toBe('sign');
+  });
 
-  var isNegativeZero = function (zero) {
-    return zero === 0 && 1 / zero === -Infinity;
-  };
+  it('has the right arity', function () {
+    expect(mathSign.length).toBe(1);
+  });
 
-  var numberIsNaN = function (value) {
-    return value !== value;
-  };
-
-  describe('mathSign', function () {
-    ifFunctionsHaveNamesIt('has the right name', function () {
-      expect(mathSign.name).toBe('sign');
+  it('should be correct', function () {
+    // we also verify that [[ToNumber]] is being called
+    [Infinity, 1].forEach(function (value) {
+      expect(mathSign(value)).toBe(1);
+      expect(mathSign(String(value))).toBe(1);
     });
+    expect(mathSign(true)).toBe(1);
 
-    it('has the right arity', function () {
-      expect(mathSign.length).toBe(1);
+    [-Infinity, -1].forEach(function (value) {
+      expect(mathSign(value)).toBe(-1);
+      expect(mathSign(String(value))).toBe(-1);
     });
 
-    it('should be correct', function () {
-      // we also verify that [[ToNumber]] is being called
-      [Infinity, 1].forEach(function (value) {
-        expect(mathSign(value)).toBe(1);
-        expect(mathSign(String(value))).toBe(1);
-      });
-      expect(mathSign(true)).toBe(1);
-
-      [-Infinity, -1].forEach(function (value) {
-        expect(mathSign(value)).toBe(-1);
-        expect(mathSign(String(value))).toBe(-1);
-      });
-
-      expect(isPositiveZero(mathSign(+0))).toBe(true);
-      expect(isPositiveZero(mathSign('0'))).toBe(true);
-      expect(isPositiveZero(mathSign('+0'))).toBe(true);
-      expect(isPositiveZero(mathSign(''))).toBe(true);
-      expect(isPositiveZero(mathSign(' '))).toBe(true);
-      expect(isPositiveZero(mathSign(null))).toBe(true);
-      expect(isPositiveZero(mathSign(false))).toBe(true);
-      expect(isNegativeZero(mathSign(-0))).toBe(true);
-      expect(isNegativeZero(mathSign('-0'))).toBe(true);
-      expect(numberIsNaN(mathSign(NaN))).toBe(true);
-      expect(numberIsNaN(mathSign('NaN'))).toBe(true);
-      expect(numberIsNaN(mathSign(undefined))).toBe(true);
-    });
+    expect(isPositiveZero(mathSign(+0))).toBe(true);
+    expect(isPositiveZero(mathSign('0'))).toBe(true);
+    expect(isPositiveZero(mathSign('+0'))).toBe(true);
+    expect(isPositiveZero(mathSign(''))).toBe(true);
+    expect(isPositiveZero(mathSign(' '))).toBe(true);
+    expect(isPositiveZero(mathSign(null))).toBe(true);
+    expect(isPositiveZero(mathSign(false))).toBe(true);
+    expect(isNegativeZero(mathSign(-0))).toBe(true);
+    expect(isNegativeZero(mathSign('-0'))).toBe(true);
+    expect(numberIsNaN(mathSign(NaN))).toBe(true);
+    expect(numberIsNaN(mathSign('NaN'))).toBe(true);
+    expect(numberIsNaN(mathSign(undefined))).toBe(true);
   });
-}());
+});

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