encoding-negotiator - npm Package Compare versions

Comparing version 1.0.2 to 2.0.0

index.js

@@ -1,46 +0,47 @@
-'use strict';
+'use strict'
 
-const IDENTITY = 'identity';
-
-function negotiate(header, supported) {
-  const supportedEncodings = createMap(supported);
+function negotiate (header, supported) {
+  if (!header) {
+    return undefined
+  }
+  const supportedEncodings = createMap(supported)
   const acceptedEncodings = parse(header || '')
     .sort(comparator)
-    .filter(isNonZeroQuality);
+    .filter(isNonZeroQuality)
   return determinePreffered(acceptedEncodings, supportedEncodings)
 }
 
-function determinePreffered(acceptedEncodings, supportedEncodings) { 
+function determinePreffered (acceptedEncodings, supportedEncodings) {
   for (const encoding of acceptedEncodings) {
-    const selected = supportedEncodings[encoding.name];
+    const selected = supportedEncodings[encoding.name]
     if (selected) {
-      return selected;
+      return selected
     }
   }
-  return IDENTITY;
+  return null
 }
 
-function createMap(supported) {
-  const supportedEncodings = {
-    identity: IDENTITY,
-    '*': supported[0]
+function createMap (supported) {
+  const supportedEncodings = {}
+  if (supported.length > 0) {
+    supportedEncodings['*'] = supported[0]
   }
   for (const encoding of supported) {
-    supportedEncodings[encoding] = encoding;
+    supportedEncodings[encoding] = encoding
   }
-  return supportedEncodings;
+  return supportedEncodings
 }
 
-function parse(header) {
-  const split = header.split(',');
+function parse (header) {
+  const split = header.split(',')
   return split.map(parseEncoding)
 }
 
-function isNonZeroQuality(encoding) {
-  return encoding.quality !== 0;
+function isNonZeroQuality (encoding) {
+  return encoding.quality !== 0
 }
 
-function parseEncoding(encoding) {
-  const [ name, second ] = encoding.trim().split(';');
-  const quality = getQuality(second);
+function parseEncoding (encoding) {
+  const [name, second] = encoding.trim().split(';')
+  const quality = getQuality(second)
   return {
@@ -52,12 +53,12 @@ name,
 
-function getQuality(second) {
+function getQuality (second) {
   if (!second) {
-    return 1;
+    return 1
   }
-  const [ , quality ] = second.trim().split('=');
-  return parseFloat(quality);
+  const [, quality] = second.trim().split('=')
+  return parseFloat(quality)
 }
 
-function comparator(a, b) {
-  return b.quality - a.quality;
+function comparator (a, b) {
+  return b.quality - a.quality
 }
@@ -64,0 +65,0 @@

package.json

 {
   "name": "encoding-negotiator",
-  "version": "1.0.2",
+  "version": "2.0.0",
   "description": "a negotiator for the accept-encoding header",
   "main": "index.js",
   "scripts": {
-    "unit": "tap test/*.js",
+    "unit": "ava test/*.js",
     "test": "npm run lint && npm run unit",
-    "lint": "./node_modules/eslint/bin/eslint.js index.js test/*",
-    "coveralls": "npm run unit --  --cov",
-    "coverage-report": "npm run coveralls && tap --coverage-report=lcov"
+    "lint": "standard index.js test/*",
+    "coveralls": "nyc npm test && nyc report --reporter=text-lcov | coveralls",
+    "coverage-report": "nyc npm test && nyc report --reporter=html"
   },
@@ -24,5 +24,6 @@ "keywords": [
   "devDependencies": {
+    "ava": "^2.0.0",
     "coveralls": "^3.0.0",
-    "eslint": "^4.13.0",
-    "tap": "^11.0.0"
+    "nyc": "^14.1.1",
+    "standard": "^13.0.1"
   },
@@ -35,3 +36,4 @@ "engines": {
     "url": "git+https://github.com/SerayaEryn/encoding-negotiator.git"
-  }
+  },
+  "dependencies": {}
 }

README.md

@@ -8,2 +8,4 @@ # encoding-negotiator
 [![NPM version](https://img.shields.io/npm/v/encoding-negotiator.svg?style=flat)](https://www.npmjs.com/package/encoding-negotiator)
+[![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://standardjs.com)
+
 ```
@@ -16,3 +18,3 @@ npm install encoding-negotiator
 
-encodingNegotiator.negotiate('compress;q=0.5, gzip;q=1.0', ['gzip', 'deflate']); //returns gzip
+encodingNegotiator.negotiate('compress;q=0.5, gzip;q=1.0', ['gzip', 'deflate', 'identity']); //returns gzip
 ```
@@ -19,0 +21,0 @@ ## API

test/test.js

@@ -1,94 +0,102 @@
-'use strict';
+'use strict'
 
-const t = require('tap');
-const test = t.test;
-const enodingNegotiator = require('..');
+const test = require('ava')
+const enodingNegotiator = require('..')
 
 test('should return identity', (t) => {
-  t.plan(1);
-  const header = 'identity;q=1';
-  const supported = ['gzip'];
+  const header = 'identity;q=1'
+  const supported = ['gzip', 'identity']
 
-  const result = enodingNegotiator.negotiate(header, supported);
+  const result = enodingNegotiator.negotiate(header, supported)
 
-  t.strictEquals(result, 'identity');
+  t.is(result, 'identity')
 })
 
-test('should return identity', (t) => {
-  t.plan(1);
-  const supported = ['gzip'];
+test('should return gzip', (t) => {
+  const header = 'gzip;q=1, identity;q=0.5'
+  const supported = ['gzip', 'deflate']
 
-  const result = enodingNegotiator.negotiate(undefined, supported);
+  const result = enodingNegotiator.negotiate(header, supported)
 
-  t.strictEquals(result, 'identity');
+  t.is(result, 'gzip')
 })
 
-test('should return gzip', (t) => {
-  t.plan(1);
-  const header = 'gzip;q=1, identity;q=0.5';
-  const supported = ['gzip', 'deflate'];
+test('should return deflate', (t) => {
+  const header = 'deflate;q=0.5,identity; q=0.5'
+  const supported = ['gzip', 'deflate']
 
-  const result = enodingNegotiator.negotiate(header, supported);
+  const result = enodingNegotiator.negotiate(header, supported)
 
-  t.strictEquals(result, 'gzip');
+  t.is(result, 'deflate')
 })
 
-test('should return gzip', (t) => {
-  t.plan(1);
-  const header = 'deflate;q=0.5,identity; q=0.5';
-  const supported = ['gzip', 'deflate'];
+test('"*" and ["gzip", "deflate"]', (t) => {
+  const header = '*'
+  const supported = ['gzip', 'deflate']
 
-  const result = enodingNegotiator.negotiate(header, supported);
+  const result = enodingNegotiator.negotiate(header, supported)
 
-  t.strictEquals(result, 'deflate');
+  t.is(result, 'gzip')
 })
 
-test('"*" and ["gzip", "deflate"]', (t) => {
-  t.plan(1);
-  const header = '*';
-  const supported = ['gzip', 'deflate'];
+test('"deflate;q=1.0, *" and ["gzip"]', (t) => {
+  const header = 'deflate;q=1.0, *'
+  const supported = ['gzip']
 
-  const result = enodingNegotiator.negotiate(header, supported);
+  const result = enodingNegotiator.negotiate(header, supported)
 
-  t.strictEquals(result, 'gzip');
+  t.is(result, 'gzip')
 })
 
-test('"deflate;q=1.0, *" and ["gzip"]', (t) => {
-  t.plan(1);
-  const header = 'deflate;q=1.0, *';
-  const supported = ['gzip'];
+test('should ignore invalid encoding if another valid encoding', (t) => {
+  const header = 'test,br'
+  const supported = ['br']
 
-  const result = enodingNegotiator.negotiate(header, supported);
+  const result = enodingNegotiator.negotiate(header, supported)
 
-  t.strictEquals(result, 'gzip');
+  t.is(result, 'br')
 })
 
 test('"gzip;q=0" and ["gzip"]', (t) => {
-  t.plan(1);
-  const header = 'gzip;q=0';
-  const supported = ['gzip'];
+  const header = 'gzip;q=0'
+  const supported = ['gzip', 'identity']
 
-  const result = enodingNegotiator.negotiate(header, supported);
+  const result = enodingNegotiator.negotiate(header, supported)
 
-  t.strictEquals(result, 'identity');
+  t.is(result, null)
 })
 
+test('unknown encoding', (t) => {
+  const header = 'white rabbit'
+  const supported = ['gzip', 'identity']
+
+  const result = enodingNegotiator.negotiate(header, supported)
+
+  t.is(result, null)
+})
+
+test('return undefined if no header', (t) => {
+  const supported = ['gzip', 'identity']
+
+  const result = enodingNegotiator.negotiate(undefined, supported)
+
+  t.is(result, undefined)
+})
+
 test('compress;q=0.5, gzip;q=1.0 and ["gzip", compress"]', (t) => {
-  t.plan(1);
-  const header = 'compress;q=0.5, gzip;q=1.0';
-  const supported = ['gzip', 'compress'];
+  const header = 'compress;q=0.5, gzip;q=1.0'
+  const supported = ['gzip', 'compress']
 
-  const result = enodingNegotiator.negotiate(header, supported);
+  const result = enodingNegotiator.negotiate(header, supported)
 
-  t.strictEquals(result, 'gzip');
+  t.is(result, 'gzip')
 })
 
 test('compress;q=0.5, gzip;q=1.0 and ["compress"]', (t) => {
-  t.plan(1);
-  const header = 'compress;q=0.5, gzip;q=1.0';
-  const supported = ['compress'];
+  const header = 'compress;q=0.5, gzip;q=1.0'
+  const supported = ['compress']
 
-  const result = enodingNegotiator.negotiate(header, supported);
+  const result = enodingNegotiator.negotiate(header, supported)
 
-  t.strictEquals(result, 'compress');
-})
+  t.is(result, 'compress')
+})

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Improved metrics

Lines of code

126

increased by4.13%

Number of lines in readme file

28

increased by7.69%

Worsened metrics

Total package byte prevSize

7200

decreased by-7.48%

Dev dependency count

4

increased by33.33%

Number of package files

6

decreased by-14.29%

No dependency changes