Update examples to use const

Author: jwagner

README.md

@@ -19,7 +19,7 @@ By default simplex-noise.js will use Math.random() to seed the noise.
 ```javascript
 // initializing a new simplex instance
 // do this only once as it is relatively expensive
-var simplex = new SimplexNoise(),
+const simplex = new SimplexNoise(),
     value2d = simplex.noise2D(x, y),
     value3d = simplex.noise3D(x, y, z),
     value4d = simplex.noise4D(x, y, z, w);
@@ -28,7 +28,7 @@ var simplex = new SimplexNoise(),
 You can also pass in a seed string which will then be used to initialize
 the noise using the built in alea PRNG.
 ```javascript
-var simplex = new SimplexNoise('seed'),
+const simplex = new SimplexNoise('seed'),
     value2d = simplex.noise2D(x, y),
     sameSeed = new SimplexNoise('seed'),
     differentSeed = new SimplexNoise('different seed');
@@ -42,7 +42,7 @@ used to build the permutation table.
 This can be used with a custom pseudo random number generator:
 
 ```javascript
-var random = new Alea(seed),
+const random = new Alea(seed),
     simplex = new SimplexNoise(random),
     value2d = simplex.noise2D(x, y);
 ```
@@ -54,7 +54,7 @@ The ALEA PRNG can be found on in the npm package [alea](https://npmjs.org/packag
 Node.js is also supported, you can install the package using [npm](https://npmjs.org/package/simplex-noise).
 
 ```javascript
-var SimplexNoise = require('simplex-noise'),
+const SimplexNoise = require('simplex-noise'),
     simplex = new SimplexNoise(Math.random),
     value2d = simplex.noise2D(x, y);
 ```
@@ -77,6 +77,10 @@ npm install && npm test
 
 ## Changelog
 
+### main
+- Dependency update
+- Setting sideEffects: false in package.json
+
 ### 2.4.0
 - Included a PRNG based on ALEA to directly allow seeding
 - Included typescript definitions

package.json

@@ -5,6 +5,7 @@
   "homepage": "https://github.com/jwagner/simplex-noise.js",
   "author": "Jonas Wagner <[email protected]> (http://29a.ch/)",
   "main": "./simplex-noise",
+  "sideEffects": false,
   "files": [
     "simplex-noise.js"
   ],
@@ -42,4 +43,4 @@
     "test": "eslint simplex-noise.js && mocha",
     "benchmark": "node ./perf/benchmark.js"
   }
-}
+}