chore: Add benchmark file

benchmark.js

@@ -0,0 +1,27 @@
+const bench = require('nanobench')
+const createSearch = require('./')
+let count = 1000
+const largeArray = []
+const hashes = { 1: 'foo', 2: 'foo bar', 3: 'hello', 4: 'world', 5: 'baz qux' }
+while (count--) largeArray.push(`aaaaaaaaaaaaaaaaaaa${hashes[count] || ''}`)
+
+bench('instantiate 1000000 times', function (b) {
+  b.start()
+
+  for (let i = 0; i < 1000000; i++) {
+    createSearch(largeArray)
+  }
+
+  b.end()
+})
+
+const search = createSearch(largeArray)
+bench('search 10000 times', function (b) {
+  b.start()
+
+  for (let i = 0; i < 10000; i++) {
+    search('foo bar baz qux')
+  }
+
+  b.end()
+})

package.json

@@ -16,6 +16,7 @@
   "author": "Marc Bachmann <marc.brookman@gmail.com>",
   "license": "MIT",
   "devDependencies": {
+    "nanobench": "^2.1.1",
     "standard": "^14.3.3"
   },
   "dependencies": {},