pouchdb-collections - npm Package Compare versions

Comparing version 6.1.0 to 6.1.1

lib/index.js

@@ -5,3 +5,2 @@ 'use strict';
 
-// based on https://github.com/montagejs/collections
 function mangle(key) {
@@ -13,10 +12,10 @@ return '$' + key;
 }
-function LazyMap() {
+function Map$1() {
   this._store = {};
 }
-LazyMap.prototype.get = function (key) {
+Map$1.prototype.get = function (key) {
   var mangled = mangle(key);
   return this._store[mangled];
 };
-LazyMap.prototype.set = function (key, value) {
+Map$1.prototype.set = function (key, value) {
   var mangled = mangle(key);
@@ -26,7 +25,7 @@ this._store[mangled] = value;
 };
-LazyMap.prototype.has = function (key) {
+Map$1.prototype.has = function (key) {
   var mangled = mangle(key);
   return mangled in this._store;
 };
-LazyMap.prototype.delete = function (key) {
+Map$1.prototype.delete = function (key) {
   var mangled = mangle(key);
@@ -37,3 +36,3 @@ var res = mangled in this._store;
 };
-LazyMap.prototype.forEach = function (cb) {
+Map$1.prototype.forEach = function (cb) {
   var keys = Object.keys(this._store);
@@ -47,3 +46,3 @@ for (var i = 0, len = keys.length; i < len; i++) {
 };
-Object.defineProperty(LazyMap.prototype, 'size', {
+Object.defineProperty(Map$1.prototype, 'size', {
   get: function () {
@@ -54,4 +53,4 @@ return Object.keys(this._store).length;
 
-function LazySet(array) {
-  this._store = new LazyMap();
+function Set$1(array) {
+  this._store = new Map$1();
 
@@ -65,10 +64,42 @@ // init with an array
 }
-LazySet.prototype.add = function (key) {
+Set$1.prototype.add = function (key) {
   return this._store.set(key, true);
 };
-LazySet.prototype.has = function (key) {
+Set$1.prototype.has = function (key) {
   return this._store.has(key);
 };
+Set$1.prototype.forEach = function (cb) {
+  this._store.forEach(function (value, key) {
+    cb(key);
+  });
+};
+Object.defineProperty(Set$1.prototype, 'size', {
+  get: function () {
+    return this._store.size;
+  }
+});
 
-exports.Set = LazySet;
-exports.Map = LazyMap;
+/* global Map,Set,Symbol */
+// Based on https://kangax.github.io/compat-table/es6/ we can sniff out
+// incomplete Map/Set implementations which would otherwise cause our tests to fail.
+// Notably they fail in IE11 and iOS 8.4, which this prevents.
+function supportsMapAndSet() {
+  if (typeof Symbol === 'undefined' || typeof Map === 'undefined' || typeof Set === 'undefined') {
+    return false;
+  }
+  var prop = Object.getOwnPropertyDescriptor(Map, Symbol.species);
+  return prop && 'get' in prop && Map[Symbol.species] === Map;
+}
+
+// based on https://github.com/montagejs/collections
+/* global Map,Set */
+
+{
+  if (supportsMapAndSet()) { // prefer built-in Map/Set
+    exports.Set = Set;
+    exports.Map = Map;
+  } else { // fall back to our polyfill
+    exports.Set = Set$1;
+    exports.Map = Map$1;
+  }
+}

package.json

 {
   "name": "pouchdb-collections",
-  "version": "6.1.0",
+  "version": "6.1.1",
   "description": "Map and Set shims for PouchDB",
@@ -5,0 +5,0 @@ "main": "./lib/index.js",

src/index.js

 // based on https://github.com/montagejs/collections
-function mangle(key) {
-  return '$' + key;
-}
-function unmangle(key) {
-  return key.substring(1);
-}
-function LazyMap() {
-  this._store = {};
-}
-LazyMap.prototype.get = function (key) {
-  var mangled = mangle(key);
-  return this._store[mangled];
-};
-LazyMap.prototype.set = function (key, value) {
-  var mangled = mangle(key);
-  this._store[mangled] = value;
-  return true;
-};
-LazyMap.prototype.has = function (key) {
-  var mangled = mangle(key);
-  return mangled in this._store;
-};
-LazyMap.prototype.delete = function (key) {
-  var mangled = mangle(key);
-  var res = mangled in this._store;
-  delete this._store[mangled];
-  return res;
-};
-LazyMap.prototype.forEach = function (cb) {
-  var keys = Object.keys(this._store);
-  for (var i = 0, len = keys.length; i < len; i++) {
-    var key = keys[i];
-    var value = this._store[key];
-    key = unmangle(key);
-    cb(value, key);
-  }
-};
-Object.defineProperty(LazyMap.prototype, 'size', {
-  get: function () {
-    return Object.keys(this._store).length;
-  }
-});
+/* global Map,Set */
 
-function LazySet(array) {
-  this._store = new LazyMap();
+import ShimmedMap from './Map';
+import ShimmedSet from './Set';
+import supportsMapAndSet from './supportsMapAndSet';
 
-  // init with an array
-  if (array && Array.isArray(array)) {
-    for (var i = 0, len = array.length; i < len; i++) {
-      this.add(array[i]);
-    }
+var ExportedSet;
+var ExportedMap;
+
+if (process.env.COVERAGE) { // don't penalize ourselves on coverage
+  ExportedSet = ShimmedSet;
+  ExportedMap = ShimmedMap;
+} else {
+  if (supportsMapAndSet()) { // prefer built-in Map/Set
+    ExportedSet = Set;
+    ExportedMap = Map;
+  } else { // fall back to our polyfill
+    ExportedSet = ShimmedSet;
+    ExportedMap = ShimmedMap;
   }
 }
-LazySet.prototype.add = function (key) {
-  return this._store.set(key, true);
-};
-LazySet.prototype.has = function (key) {
-  return this._store.has(key);
-};
 
 export {
-  LazySet as Set,
-  LazyMap as Map
+  ExportedSet as Set,
+  ExportedMap as Map
 };

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Improved metrics

Total package byte prevSize

17935

increased by14.19%

Number of package files

8

increased by60%

Lines of code

194

increased by57.72%

Worsened metrics

Number of low supply chain risk alerts

2

increased by100%

Number of medium supply chain risk alerts

2

increased byInfinity%

No dependency changes