fix: Copy over fastify-etag/fnv1a.js into the module

fnv1a.js

@@ -0,0 +1,64 @@
+'use strict'
+
+// MIT License
+//
+// Copyright (c) Sindre Sorhus <[email protected]> (sindresorhus.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the Software
+// is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+const OFFSET_BASIS_32 = 2166136261
+
+function fnv1aString (string) {
+  let hash = OFFSET_BASIS_32
+
+  for (let i = 0; i < string.length; i++) {
+    hash ^= string.charCodeAt(i)
+
+    // 32-bit FNV prime: 2**24 + 2**8 + 0x93 = 16777619
+    // Using bitshift for accuracy and performance. Numbers in JS suck.
+    hash += (hash << 1) + (hash << 4) + (hash << 7) + (hash << 8) + (hash << 24)
+  }
+
+  return hash >>> 0
+}
+
+function fnv1aBuffer (buf) {
+  let hash = OFFSET_BASIS_32
+
+  for (let i = 0; i < buf.length;) {
+    hash ^= buf[i++]
+
+    // 32-bit FNV prime: 2**24 + 2**8 + 0x93 = 16777619
+    // Using bitshift for accuracy and performance. Numbers in JS suck.
+    hash += (hash << 1) + (hash << 4) + (hash << 7) + (hash << 8) + (hash << 24)
+  }
+
+  return hash >>> 0
+}
+
+function fnv1a (input) {
+  if (input instanceof Buffer) {
+    return fnv1aBuffer(input)
+  } else if (typeof input === 'string') {
+    return fnv1aString(input)
+  } else {
+    throw new Error('input must be a string or a Buffer')
+  }
+}
+
+module.exports = fnv1a

index.js

@@ -2,7 +2,7 @@ const fs = require('fs')
 const path = require('path')
 const fp = require('fastify-plugin')
 const fastifyStatic = require('fastify-static')
-const fnv1a = require('fastify-etag/fnv1a')
+const fnv1a = require('./fnv1a')
 function generateETag (payload) { return `"${fnv1a(payload).toString(36)}"` }
 
 function strip (str, leading, trailing) {

package.json

@@ -7,7 +7,6 @@
   "license": "MIT",
   "dependencies": {
     "fastify-compress": "^3.4.1",
-    "fastify-etag": "^2.1.0",
     "fastify-plugin": "^3.0.0",
     "fastify-static": "^3.4.0"
   },
@@ -22,7 +21,6 @@
   "directories": {
     "example": "example"
   },
-  "devDependencies": {},
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },