Add map-object conversions

snippets/mapToObject.md

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+---
+title: Convert Map to object
+shortTitle: Map to object
+tags: object
+expertise: intermediate
+author: chalarangelo
+cover: blog_images/succulent-1.jpg
+firstSeen: 2022-06-16T05:00:00-04:00
+---
+
+Converts a `Map` to an object.
+
+- Use `Map.prototype.entries()` to convert the `Map` to an array of key-value pairs.
+- Use `Object.fromEntries()` to convert the array to an object.
+
+```js
+const mapToObject = map => Object.fromEntries(map.entries());
+```
+
+```js
+mapToObject(new Map([['a', 1], ['b', 2]])); // {a: 1, b: 2}
+```

snippets/objectToMap.md

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+---
+title: Convert object to Map
+shortTitle: Object to Map
+tags: object
+expertise: intermediate
+author: chalarangelo
+cover: blog_images/succulent-2.jpg
+firstSeen: 2022-06-16T05:00:00-04:00
+---
+
+Converts an object to a `Map`.
+
+- Use `Object.entries` to convert the object to an array of key-value pairs.
+- Use the `Map` constructor to convert the array to a `Map`.
+
+```js
+const objectToMap = obj => new Map(Object.entries(obj));
+```
+
+```js
+objectToMap({a: 1, b: 2}); // Map {'a' => 1, 'b' => 2}
+```