added size

ungap · Nov 22, 2018 · 8ed2c0f · 8ed2c0f
1 parent ab9ed22
commit 8ed2c0f
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Showing 5 changed files with 24 additions and 9 deletions.
diff --git a/cjs/index.js b/cjs/index.js
@@ -2,11 +2,16 @@
 try { new Map; }
 catch (o_O) {
   (function (i, dPs) {'use strict';
-    var proto = (Map = function Map(iterable) {
+    var proto = dPs((Map = function Map(iterable) {
       dPs(this, {_k: {value: []}, _v: {value: []}});
       if (iterable)
         iterable.forEach(add, this);
-    }).prototype;
+    }).prototype, {size: {
+      configurable: true,
+      get: function () {
+        return this._k.length;
+      }
+    }});
     proto.clear = function () {
       var length = this._k.length;
       this._k.splice(0, length);

diff --git a/esm/index.js b/esm/index.js
@@ -2,11 +2,16 @@
 try { new Map; }
 catch (o_O) {
   (function (i, dPs) {'use strict';
-    var proto = (Map = function Map(iterable) {
+    var proto = dPs((Map = function Map(iterable) {
       dPs(this, {_k: {value: []}, _v: {value: []}});
       if (iterable)
         iterable.forEach(add, this);
-    }).prototype;
+    }).prototype, {size: {
+      configurable: true,
+      get: function () {
+        return this._k.length;
+      }
+    }});
     proto.clear = function () {
       var length = this._k.length;
       this._k.splice(0, length);

diff --git a/index.js b/index.js
@@ -2,11 +2,16 @@
 try { new Map; }
 catch (o_O) {
   (function (i, dPs) {'use strict';
-    var proto = (Map = function Map(iterable) {
+    var proto = dPs((Map = function Map(iterable) {
       dPs(this, {_k: {value: []}, _v: {value: []}});
       if (iterable)
         iterable.forEach(add, this);
-    }).prototype;
+    }).prototype, {size: {
+      configurable: true,
+      get: function () {
+        return this._k.length;
+      }
+    }});
     proto.clear = function () {
       var length = this._k.length;
       this._k.splice(0, length);

diff --git a/min.js b/min.js
diff --git a/test/index.js b/test/index.js
@@ -36,9 +36,10 @@ function test() {
   var ws2 = new Map([[a, b]]);
 
   console.assert(ws1.has(a) === false);
-  console.assert(ws1.set(a, 123) === ws1);
+  console.assert(ws1.set(a, 456) === ws1);
   console.assert(ws1.set(a, 123) === ws1);
   console.assert(ws1.has(a) === true);
+  console.assert(ws1.size === 1);
   ws1.clear();
   ws1.set(a, b);
   var entries = ws1.entries();
@@ -57,7 +58,6 @@ function test() {
     console.assert(values.length === 1);
     console.assert(values[0] === b);
   }
-  console.log(ws1.forEach);
   ws1.forEach(function (value, key, map) {
     console.assert(value === b);
     console.assert(key === a);