serialize-to-js - npm Package Compare versions

Comparing version 3.0.3 to 3.1.0

lib/index.js

@@ -7,2 +7,10 @@ /*
 
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
+
+function _iterableToArrayLimit(arr, i) { if (!(Symbol.iterator in Object(arr) || Object.prototype.toString.call(arr) === "[object Arguments]")) { return; } var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
 var utils = require('./internal/utils');
@@ -15,3 +23,3 @@
  * @example <caption>serializing regex, date, buffer, ...</caption>
- * const serialize = require('serialize-to-js').serialize;
+ * const serialize = require('serialize-to-js')
  * const obj = {
@@ -28,8 +36,15 @@ *   str: '<script>var a = 0 > 1</script>',
  *   buffer: new Buffer('data'),
+ *   set: new Set([1, 2, 3]),
+ *   map: new Map([['a': 1],['b': 2]])
  * }
  * console.log(serialize(obj))
- * // > {str: "\u003Cscript\u003Evar a = 0 \u003E 1\u003C\u002Fscript\u003E", num: 3.1415, bool: true, nil: null, undef: undefined, obj: {foo: "bar"}, arr: [1, "2"], regexp: /^test?$/, date: new Date("2016-04-15T16:22:52.009Z"), buffer: new Buffer('ZGF0YQ==', 'base64')}
+ * //> '{str: "\u003Cscript\u003Evar a = 0 \u003E 1\u003C\u002Fscript\u003E",
+ * //>   num: 3.1415, bool: true, nil: null, undef: undefined,
+ * //>   obj: {foo: "bar"}, arr: [1, "2"], regexp: new RegExp("^test?$", ""),
+ * //>   date: new Date("2019-12-29T10:37:36.613Z"),
+ * //>   buffer: Buffer.from("ZGF0YQ==", "base64"), set: new Set([1, 2, 3]),
+ * //>   map: new Map([["a", 1], ["b", 2]])}'
  *
  * @example <caption>serializing while respecting references</caption>
- * const serialize = require('serialize-to-js').serialize;
+ * const serialize = require('serialize-to-js')
  * const obj = { object: { regexp: /^test?$/ } };
@@ -52,89 +67,150 @@ * obj.reference = obj.object;
 
-function serialize(source, opts) {
-  var type;
+function serialize(source) {
+  var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
   opts = opts || {};
+  var visited = new Set();
+  opts.references = [];
+  var refs = new Ref(opts.references, opts);
 
-  if (!opts._visited) {
-    opts._visited = [];
-  }
+  function stringify(source, opts) {
+    var type = utils.toType(source);
 
-  if (!opts._refs) {
-    opts.references = [];
-    opts._refs = new Ref(opts.references, opts);
-  }
+    if (visited.has(source)) {
+      if (opts.ignoreCircular) {
+        switch (type) {
+          case 'Array':
+            return '[/*[Circular]*/]';
 
-  if (utils.isNull(source)) {
-    return 'null';
-  } else if (Array.isArray(source)) {
-    var tmp = source.map(function (item) {
-      return serialize(item, opts);
-    });
-    return "[".concat(tmp.join(', '), "]");
-  } else if (utils.isFunction(source)) {
-    // serializes functions only in unsafe mode!
-    var _tmp = source.toString();
+          case 'Object':
+            return '{/*[Circular]*/}';
 
-    var _tmp2 = opts.unsafe ? _tmp : utils.saferFunctionString(_tmp, opts); // append function to es6 function within obj
+          default:
+            return 'undefined /*[Circular]*/';
+        }
+      } else {
+        throw new Error('can not convert circular structures.');
+      }
+    }
 
+    switch (type) {
+      case 'Null':
+        return 'null';
 
-    return !/^\s*(function|\([^)]*?\)\s*=>)/m.test(_tmp2) ? 'function ' + _tmp2 : _tmp2;
-  } else if (utils.isObject(source)) {
-    if (utils.isRegExp(source)) {
-      return "new RegExp(".concat(utils.quote(source.source, opts), ", \"").concat(source.flags, "\")");
-    } else if (utils.isDate(source)) {
-      return "new Date(".concat(utils.quote(source.toJSON(), opts), ")");
-    } else if (utils.isError(source)) {
-      return "new Error(".concat(utils.quote(source.message, opts), ")");
-    } else if (utils.isBuffer(source)) {
-      // check for buffer first otherwise tests fail on node@4.4
-      // looks like buffers are accidentially detected as typed arrays
-      return "Buffer.from('".concat(source.toString('base64'), "', 'base64')");
-    } else if (type = utils.isTypedArray(source)) {
-      var _tmp3 = [];
+      case 'String':
+        return utils.quote(source, opts);
 
-      for (var i = 0; i < source.length; i++) {
-        _tmp3.push(source[i]);
-      }
+      case 'Function':
+        {
+          var _tmp = source.toString();
 
-      return "new ".concat(type, "([").concat(_tmp3.join(', '), "])");
-    } else {
-      var _tmp4 = []; // copy properties if not circular
+          var tmp = opts.unsafe ? _tmp : utils.saferFunctionString(_tmp, opts); // append function to es6 function within obj
 
-      if (!~opts._visited.indexOf(source)) {
-        opts._visited.push(source);
+          return !/^\s*(function|\([^)]*?\)\s*=>)/m.test(tmp) ? 'function ' + tmp : tmp;
+        }
 
-        for (var key in source) {
-          if (Object.prototype.hasOwnProperty.call(source, key)) {
-            if (opts.reference && utils.isObject(source[key])) {
-              opts._refs.push(key);
+      case 'RegExp':
+        return "new RegExp(".concat(utils.quote(source.source, opts), ", \"").concat(source.flags, "\")");
 
-              if (!opts._refs.hasReference(source[key])) {
-                _tmp4.push(Ref.wrapkey(key, opts) + ': ' + serialize(source[key], opts));
-              }
+      case 'Date':
+        if (utils.isInvalidDate(source)) return 'new Date("Invalid Date")';
+        return "new Date(".concat(utils.quote(source.toJSON(), opts), ")");
 
-              opts._refs.pop();
-            } else {
-              _tmp4.push(Ref.wrapkey(key, opts) + ': ' + serialize(source[key], opts));
-            }
+      case 'Error':
+        return "new Error(".concat(utils.quote(source.message, opts), ")");
+
+      case 'Buffer':
+        return "Buffer.from(\"".concat(source.toString('base64'), "\", \"base64\")");
+
+      case 'Array':
+        {
+          visited.add(source);
+
+          var _tmp2 = source.map(function (item) {
+            return stringify(item, opts);
+          });
+
+          visited["delete"](source);
+          return "[".concat(_tmp2.join(', '), "]");
+        }
+
+      case 'Int8Array':
+      case 'Uint8Array':
+      case 'Uint8ClampedArray':
+      case 'Int16Array':
+      case 'Uint16Array':
+      case 'Int32Array':
+      case 'Uint32Array':
+      case 'Float32Array':
+      case 'Float64Array':
+        {
+          var _tmp3 = [];
+
+          for (var i = 0; i < source.length; i++) {
+            _tmp3.push(source[i]);
           }
+
+          return "new ".concat(type, "([").concat(_tmp3.join(', '), "])");
         }
 
-        opts._visited.pop();
+      case 'Set':
+        {
+          visited.add(source);
 
-        return "{".concat(_tmp4.join(', '), "}");
-      } else {
-        if (opts.ignoreCircular) {
-          return '{/*[Circular]*/}';
-        } else {
-          throw new Error('can not convert circular structures.');
+          var _tmp4 = Array.from(source).map(function (item) {
+            return stringify(item, opts);
+          });
+
+          visited["delete"](source);
+          return "new ".concat(type, "([").concat(_tmp4.join(', '), "])");
         }
-      }
+
+      case 'Map':
+        {
+          visited.add(source);
+
+          var _tmp5 = Array.from(source).map(function (_ref) {
+            var _ref2 = _slicedToArray(_ref, 2),
+                key = _ref2[0],
+                value = _ref2[1];
+
+            return "[".concat(stringify(key, opts), ", ").concat(stringify(value, opts), "]");
+          });
+
+          visited["delete"](source);
+          return "new ".concat(type, "([").concat(_tmp5.join(', '), "])");
+        }
+
+      case 'Object':
+        {
+          visited.add(source);
+          var _tmp6 = [];
+
+          for (var key in source) {
+            if (Object.prototype.hasOwnProperty.call(source, key)) {
+              if (opts.reference && utils.isObject(source[key])) {
+                refs.push(key);
+
+                if (!refs.hasReference(source[key])) {
+                  _tmp6.push(Ref.wrapkey(key, opts) + ': ' + stringify(source[key], opts));
+                }
+
+                refs.pop();
+              } else {
+                _tmp6.push(Ref.wrapkey(key, opts) + ': ' + stringify(source[key], opts));
+              }
+            }
+          }
+
+          visited["delete"](source);
+          return "{".concat(_tmp6.join(', '), "}");
+        }
+
+      default:
+        return '' + source;
     }
-  } else if (utils.isString(source)) {
-    return utils.quote(source, opts);
-  } else {
-    return '' + source;
   }
+
+  return stringify(source, opts);
 }
 
 module.exports = serialize;

lib/internal/utils.js

@@ -44,23 +44,2 @@ 'use strict';
 
-function objectToString(o) {
-  return Object.prototype.toString.call(o);
-}
-
-function toType(o) {
-  var type = objectToString(o);
-  return type.substring(8, type.length - 1);
-}
-
-function isString(arg) {
-  return typeof arg === 'string';
-}
-
-function isNull(arg) {
-  return arg === null;
-}
-
-function isRegExp(re) {
-  return isObject(re) && objectToString(re) === '[object RegExp]';
-}
-
 function isObject(arg) {
@@ -70,26 +49,17 @@ return _typeof(arg) === 'object' && arg !== null;
 
-function isDate(d) {
-  return isObject(d) && objectToString(d) === '[object Date]';
+function isBuffer(arg) {
+  return arg instanceof Buffer;
 }
 
-function isError(e) {
-  return isObject(e) && (objectToString(e) === '[object Error]' || e instanceof Error);
+function isInvalidDate(arg) {
+  return isNaN(arg.getTime());
 }
 
-function isFunction(arg) {
-  return typeof arg === 'function';
-}
+function toType(o) {
+  var _type = Object.prototype.toString.call(o);
 
-function isBuffer(arg) {
-  return arg instanceof Buffer;
-}
+  var type = _type.substring(8, _type.length - 1);
 
-var TYPED_ARRAYS = ['Int8Array', 'Uint8Array', 'Uint8ClampedArray', 'Int16Array', 'Uint16Array', 'Int32Array', 'Uint32Array', 'Float32Array', 'Float64Array'];
-
-function isTypedArray(arg) {
-  var type = toType(arg);
-
-  if (TYPED_ARRAYS.indexOf(type) !== -1) {
-    return type;
-  }
+  if (type === 'Uint8Array' && isBuffer(o)) return 'Buffer';
+  return type;
 }
@@ -102,11 +72,6 @@
   saferFunctionString: saferFunctionString,
-  isString: isString,
-  isNull: isNull,
-  isRegExp: isRegExp,
+  isBuffer: isBuffer,
   isObject: isObject,
-  isDate: isDate,
-  isError: isError,
-  isFunction: isFunction,
-  isBuffer: isBuffer,
-  isTypedArray: isTypedArray
+  isInvalidDate: isInvalidDate,
+  toType: toType
 };

package.json

 {
   "name": "serialize-to-js",
-  "version": "3.0.3",
+  "version": "3.1.0",
   "description": "serialize objects to javascript",
@@ -55,13 +55,13 @@ "keywords": [
   "devDependencies": {
-    "@babel/cli": "^7.7.5",
-    "@babel/core": "^7.7.5",
-    "@babel/preset-env": "^7.7.6",
-    "eslint": "^6.7.2",
+    "@babel/cli": "^7.8.3",
+    "@babel/core": "^7.8.3",
+    "@babel/preset-env": "^7.8.3",
+    "eslint": "^6.8.0",
     "eslint-config-standard": "^14.1.0",
-    "eslint-plugin-import": "^2.19.1",
-    "eslint-plugin-node": "^10.0.0",
+    "eslint-plugin-import": "^2.20.0",
+    "eslint-plugin-node": "^11.0.0",
     "eslint-plugin-promise": "^4.2.1",
     "eslint-plugin-standard": "^4.0.1",
-    "mocha": "^6.2.2",
-    "nyc": "^14.1.1",
+    "mocha": "^7.0.1",
+    "nyc": "^15.0.0",
     "rimraf": "^3.0.0"
@@ -72,3 +72,6 @@ },
   },
-  "maintainers": "commenthol <[e-mail]>"
+  "maintainers": "commenthol <[e-mail]>",
+  "mocha": {
+    "check-leaks": true
+  }
 }

README.md

@@ -25,14 +25,5 @@ # serialize-to-js
 - Float64Array
+- Set
+- Map
 
-> **Note:** Version >3.0.0 has moved the serializeToModule method into its own
-> package at [serialize-to-module][]  
-> 
-> Migrating from 2.x to 3.x for serialize:
-> ```js
-> // v2.x
-> const serialize = require('serialize-to-js').serialize
-> // >v3.x
-> const serialize = require('serialize-to-js')
-> ```
-
 ## Table of Contents
@@ -44,3 +35,2 @@
   * [serialize](#serialize)
-  * [serializeToModule](#serializetomodule)
 * [Contribution and License Agreement](#contribution-and-license-agreement)
@@ -62,4 +52,4 @@ * [License](#license)
 ```js
-var serialize = require('serialize-to-js')
-var obj = {
+const serialize = require('serialize-to-js')
+const obj = {
   str: '<script>var a = 0 > 1</script>',
@@ -74,6 +64,13 @@ num: 3.1415,
   date: new Date(),
-  buffer: Buffer.from('data'),
+  buffer: new Buffer('data'),
+  set: new Set([1, 2, 3]),
+  map: new Map([['a': 1],['b': 2]])
 }
 console.log(serialize(obj))
-// > {str: "\u003Cscript\u003Evar a = 0 \u003E 1\u003C\u002Fscript\u003E", num: 3.1415, bool: true, nil: null, undef: undefined, obj: {foo: "bar"}, arr: [1, "2"], regexp: /^test?$/, date: new Date("2016-04-15T16:22:52.009Z"), buffer: new Buffer('ZGF0YQ==', 'base64')}
+//> '{str: "\u003Cscript\u003Evar a = 0 \u003E 1\u003C\u002Fscript\u003E",
+//>   num: 3.1415, bool: true, nil: null, undef: undefined,
+//>   obj: {foo: "bar"}, arr: [1, "2"], regexp: new RegExp("^test?$", ""),
+//>   date: new Date("2019-12-29T10:37:36.613Z"),
+//>   buffer: Buffer.from("ZGF0YQ==", "base64"), set: new Set([1, 2, 3]),
+//>   map: new Map([["a", 1], ["b", 2]])}'
 ```
@@ -96,20 +93,10 @@
 
-**source**: `Object | Array | function | Any`, source to serialize
-
-**opts**: `Object`, options
-
-**opts.ignoreCircular**: `Boolean`, ignore circular objects
-
-**opts.reference**: `Boolean`, reference instead of a copy (requires post-processing of opts.references)
-
-**opts.unsafe**: `Boolean`, do not escape chars `<>/`
-
+**source**: `Object | Array | function | Any`, source to serialize  
+**opts**: `Object`, options  
+**opts.ignoreCircular**: `Boolean`, ignore circular objects  
+**opts.reference**: `Boolean`, reference instead of a copy (requires post-processing of opts.references)  
+**opts.unsafe**: `Boolean`, do not escape chars `<>/`  
 **Returns**: `String`, serialized representation of `source`
 
 
-### serializeToModule
-
-The `serializeToModule` has been moved to it\`s own repository at [serialize-to-module][].
-
-
 ## Contribution and License Agreement
@@ -129,2 +116,1 @@
 [LICENSE]: ./LICENSE
-[serialize-to-module]: https://npmjs.com/package/serialize-to-module

src/index.js

@@ -16,3 +16,3 @@ /*
  * @example <caption>serializing regex, date, buffer, ...</caption>
- * const serialize = require('serialize-to-js').serialize;
+ * const serialize = require('serialize-to-js')
  * const obj = {
@@ -29,8 +29,15 @@ *   str: '<script>var a = 0 > 1</script>',
  *   buffer: new Buffer('data'),
+ *   set: new Set([1, 2, 3]),
+ *   map: new Map([['a': 1],['b': 2]])
  * }
  * console.log(serialize(obj))
- * // > {str: "\u003Cscript\u003Evar a = 0 \u003E 1\u003C\u002Fscript\u003E", num: 3.1415, bool: true, nil: null, undef: undefined, obj: {foo: "bar"}, arr: [1, "2"], regexp: /^test?$/, date: new Date("2016-04-15T16:22:52.009Z"), buffer: new Buffer('ZGF0YQ==', 'base64')}
+ * //> '{str: "\u003Cscript\u003Evar a = 0 \u003E 1\u003C\u002Fscript\u003E",
+ * //>   num: 3.1415, bool: true, nil: null, undef: undefined,
+ * //>   obj: {foo: "bar"}, arr: [1, "2"], regexp: new RegExp("^test?$", ""),
+ * //>   date: new Date("2019-12-29T10:37:36.613Z"),
+ * //>   buffer: Buffer.from("ZGF0YQ==", "base64"), set: new Set([1, 2, 3]),
+ * //>   map: new Map([["a", 1], ["b", 2]])}'
  *
  * @example <caption>serializing while respecting references</caption>
- * const serialize = require('serialize-to-js').serialize;
+ * const serialize = require('serialize-to-js')
  * const obj = { object: { regexp: /^test?$/ } };
@@ -51,77 +58,107 @@ * obj.reference = obj.object;
  */
-function serialize (source, opts) {
-  let type
-
+function serialize (source, opts = {}) {
   opts = opts || {}
-  if (!opts._visited) {
-    opts._visited = []
-  }
-  if (!opts._refs) {
-    opts.references = []
-    opts._refs = new Ref(opts.references, opts)
-  }
 
-  if (utils.isNull(source)) {
-    return 'null'
-  } else if (Array.isArray(source)) {
-    const tmp = source.map(item => serialize(item, opts))
-    return `[${tmp.join(', ')}]`
-  } else if (utils.isFunction(source)) {
-    // serializes functions only in unsafe mode!
-    const _tmp = source.toString()
-    const tmp = opts.unsafe ? _tmp : utils.saferFunctionString(_tmp, opts)
-    // append function to es6 function within obj
-    return !/^\s*(function|\([^)]*?\)\s*=>)/m.test(tmp) ? 'function ' + tmp : tmp
-  } else if (utils.isObject(source)) {
-    if (utils.isRegExp(source)) {
-      return `new RegExp(${utils.quote(source.source, opts)}, "${source.flags}")`
-    } else if (utils.isDate(source)) {
-      return `new Date(${utils.quote(source.toJSON(), opts)})`
-    } else if (utils.isError(source)) {
-      return `new Error(${utils.quote(source.message, opts)})`
-    } else if (utils.isBuffer(source)) {
-      // check for buffer first otherwise tests fail on node@4.4
-      // looks like buffers are accidentially detected as typed arrays
-      return `Buffer.from('${source.toString('base64')}', 'base64')`
-    } else if ((type = utils.isTypedArray(source))) {
-      const tmp = []
-      for (let i = 0; i < source.length; i++) {
-        tmp.push(source[i])
+  const visited = new Set()
+  opts.references = []
+  const refs = new Ref(opts.references, opts)
+
+  function stringify (source, opts) {
+    const type = utils.toType(source)
+
+    if (visited.has(source)) {
+      if (opts.ignoreCircular) {
+        switch (type) {
+          case 'Array':
+            return '[/*[Circular]*/]'
+          case 'Object':
+            return '{/*[Circular]*/}'
+          default:
+            return 'undefined /*[Circular]*/'
+        }
+      } else {
+        throw new Error('can not convert circular structures.')
       }
-      return `new ${type}([${tmp.join(', ')}])`
-    } else {
-      const tmp = []
-      // copy properties if not circular
-      if (!~opts._visited.indexOf(source)) {
-        opts._visited.push(source)
+    }
+
+    switch (type) {
+      case 'Null':
+        return 'null'
+      case 'String':
+        return utils.quote(source, opts)
+      case 'Function': {
+        const _tmp = source.toString()
+        const tmp = opts.unsafe ? _tmp : utils.saferFunctionString(_tmp, opts)
+        // append function to es6 function within obj
+        return !/^\s*(function|\([^)]*?\)\s*=>)/m.test(tmp) ? 'function ' + tmp : tmp
+      }
+      case 'RegExp':
+        return `new RegExp(${utils.quote(source.source, opts)}, "${source.flags}")`
+      case 'Date':
+        if (utils.isInvalidDate(source)) return 'new Date("Invalid Date")'
+        return `new Date(${utils.quote(source.toJSON(), opts)})`
+      case 'Error':
+        return `new Error(${utils.quote(source.message, opts)})`
+      case 'Buffer':
+        return `Buffer.from("${source.toString('base64')}", "base64")`
+      case 'Array': {
+        visited.add(source)
+        const tmp = source.map(item => stringify(item, opts))
+        visited.delete(source)
+        return `[${tmp.join(', ')}]`
+      }
+      case 'Int8Array':
+      case 'Uint8Array':
+      case 'Uint8ClampedArray':
+      case 'Int16Array':
+      case 'Uint16Array':
+      case 'Int32Array':
+      case 'Uint32Array':
+      case 'Float32Array':
+      case 'Float64Array': {
+        const tmp = []
+        for (let i = 0; i < source.length; i++) {
+          tmp.push(source[i])
+        }
+        return `new ${type}([${tmp.join(', ')}])`
+      }
+      case 'Set': {
+        visited.add(source)
+        const tmp = Array.from(source).map(item => stringify(item, opts))
+        visited.delete(source)
+        return `new ${type}([${tmp.join(', ')}])`
+      }
+      case 'Map': {
+        visited.add(source)
+        const tmp = Array.from(source).map(([key, value]) => `[${stringify(key, opts)}, ${stringify(value, opts)}]`)
+        visited.delete(source)
+        return `new ${type}([${tmp.join(', ')}])`
+      }
+      case 'Object': {
+        visited.add(source)
+        const tmp = []
         for (const key in source) {
           if (Object.prototype.hasOwnProperty.call(source, key)) {
             if (opts.reference && utils.isObject(source[key])) {
-              opts._refs.push(key)
-              if (!opts._refs.hasReference(source[key])) {
-                tmp.push(Ref.wrapkey(key, opts) + ': ' + serialize(source[key], opts))
+              refs.push(key)
+              if (!refs.hasReference(source[key])) {
+                tmp.push(Ref.wrapkey(key, opts) + ': ' + stringify(source[key], opts))
               }
-              opts._refs.pop()
+              refs.pop()
             } else {
-              tmp.push(Ref.wrapkey(key, opts) + ': ' + serialize(source[key], opts))
+              tmp.push(Ref.wrapkey(key, opts) + ': ' + stringify(source[key], opts))
             }
           }
         }
-        opts._visited.pop()
+        visited.delete(source)
         return `{${tmp.join(', ')}}`
-      } else {
-        if (opts.ignoreCircular) {
-          return '{/*[Circular]*/}'
-        } else {
-          throw new Error('can not convert circular structures.')
-        }
       }
+      default:
+        return '' + source
     }
-  } else if (utils.isString(source)) {
-    return utils.quote(source, opts)
-  } else {
-    return '' + source
   }
+
+  return stringify(source, opts)
 }
 
 module.exports = serialize

src/internal/utils.js

@@ -41,23 +41,2 @@ 'use strict'
 
-function objectToString (o) {
-  return Object.prototype.toString.call(o)
-}
-
-function toType (o) {
-  const type = objectToString(o)
-  return type.substring(8, type.length - 1)
-}
-
-function isString (arg) {
-  return typeof arg === 'string'
-}
-
-function isNull (arg) {
-  return arg === null
-}
-
-function isRegExp (re) {
-  return isObject(re) && objectToString(re) === '[object RegExp]'
-}
-
 function isObject (arg) {
@@ -67,15 +46,2 @@ return typeof arg === 'object' && arg !== null
 
-function isDate (d) {
-  return isObject(d) && objectToString(d) === '[object Date]'
-}
-
-function isError (e) {
-  return isObject(e) &&
-      (objectToString(e) === '[object Error]' || e instanceof Error)
-}
-
-function isFunction (arg) {
-  return typeof arg === 'function'
-}
-
 function isBuffer (arg) {
@@ -85,19 +51,11 @@ return arg instanceof Buffer
 
-const TYPED_ARRAYS = [
-  'Int8Array',
-  'Uint8Array',
-  'Uint8ClampedArray',
-  'Int16Array',
-  'Uint16Array',
-  'Int32Array',
-  'Uint32Array',
-  'Float32Array',
-  'Float64Array'
-]
+function isInvalidDate (arg) {
+  return isNaN(arg.getTime())
+}
 
-function isTypedArray (arg) {
-  const type = toType(arg)
-  if (TYPED_ARRAYS.indexOf(type) !== -1) {
-    return type
-  }
+function toType (o) {
+  const _type = Object.prototype.toString.call(o)
+  const type = _type.substring(8, _type.length - 1)
+  if (type === 'Uint8Array' && isBuffer(o)) return 'Buffer'
+  return type
 }
@@ -110,11 +68,6 @@
   saferFunctionString,
-  isString,
-  isNull,
-  isRegExp,
+  isBuffer,
   isObject,
-  isDate,
-  isError,
-  isFunction,
-  isBuffer,
-  isTypedArray
+  isInvalidDate,
+  toType
 }

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Fixed alerts

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Major refactor

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Improved metrics

Number of medium supply chain risk alerts

0

decreased by-100%

Worsened metrics

Total package byte prevSize

24843

decreased by-23.06%

Number of package files

9

decreased by-40%

Lines of code

613

decreased by-34.3%

Number of lines in readme file

111

decreased by-11.2%

No dependency changes