Fix for issue 41 - change Map to unknown

package.json

@@ -58,6 +58,11 @@
       "import": "./dist/set-has.mjs",
       "default": "./dist/set-has.js"
     },
+    "./map-constructor": {
+      "types": "./dist/map-constructor.d.ts",
+      "import": "./dist/map-constructor.mjs",
+      "default": "./dist/map-constructor.js"
+    },
     "./utils": {
       "types": "./dist/utils.d.ts",
       "import": "./dist/utils.mjs",

src/entrypoints/map-constructor.d.ts

@@ -0,0 +1,3 @@
+interface MapConstructor {
+    new(): Map<unknown, unknown>
+}

src/entrypoints/recommended.d.ts

@@ -4,3 +4,4 @@
 /// <reference path="json-parse.d.ts" />
 /// <reference path="array-includes.d.ts" />
 /// <reference path="set-has.d.ts" />
+/// <reference path="map-constructor.d.ts" />

src/tests/map-constructor.ts

@@ -0,0 +1,61 @@
+import {doNotExecute, Equal, Expect} from "./utils";
+
+doNotExecute(() => {
+    const map = new Map();
+
+    const result = map.get('foo');
+
+    type test = [Expect<Equal<typeof result, unknown>>];
+});
+
+doNotExecute(() => {
+    const map = new Map();
+
+    map.set('Jessie', {phone: '213-555-1234', address: '123 N 1st Ave'});
+
+    const result = map.has('Jessie');
+
+    type test = [Expect<Equal<typeof result, boolean>>];
+});
+
+doNotExecute(() => {
+    const map = new Map();
+
+    map.set('Jessie', {phone: '213-555-1234', address: '123 N 1st Ave'});
+
+    const result = map.get('Jessie');
+
+    type test = [Expect<Equal<typeof result, unknown>>];
+});
+
+doNotExecute(() => {
+    const map = new Map();
+
+    map.set('Jessie', {phone: '213-555-1234', address: '123 N 1st Ave'});
+
+    const result = map.delete('Jessie');
+
+    type test = [Expect<Equal<typeof result, boolean>>];
+});
+
+doNotExecute(() => {
+    const map = new Map();
+
+    map.set('Jessie', {phone: '213-555-1234', address: '123 N 1st Ave'});
+    map.set('Hilary', {phone: '617-555-4321', address: '321 S 2nd St'});
+
+    const size = map.size;
+
+    type testSize = [Expect<Equal<typeof size, number>>];
+});
+
+doNotExecute(() => {
+    const map = new Map();
+
+    map.set('Jessie', {phone: '213-555-1234', address: '123 N 1st Ave'});
+    map.set('Hilary', {phone: '617-555-4321', address: '321 S 2nd St'});
+
+    const cleared = map.clear();
+
+    type testClear = [Expect<Equal<typeof cleared, void>>];
+});