add standard and prepare for standard lint

.eslintrc.js

@@ -1,9 +1,11 @@
-const warning = process.env['CI'] ? 2 : 1;
-
 module.exports = {
   parserOptions: {
     ecmaVersion: 2018,
   },
+  ignorePatterns: [
+    'bench',
+    'deps/encoding',
+  ],
   extends: [
     'eslint:recommended',
     'plugin:node/recommended',

deps/dicer/lib/HeaderParser.js

@@ -5,7 +5,7 @@ var StreamSearch = require('../../streamsearch/sbmh');
 
 var B_DCRLF = Buffer.from('\r\n\r\n'),
     RE_CRLF = /\r\n/g,
-    RE_HDR = /^([^:]+):[ \t]?([\x00-\xFF]+)?$/,
+    RE_HDR = /^([^:]+):[ \t]?([\x00-\xFF]+)?$/, // eslint-disable-line no-control-regex
     MAX_HEADER_PAIRS = 2000, // from node's http.js
     MAX_HEADER_SIZE = 80 * 1024; // from node's http_parser
 

deps/encoding/TextDecoder.js

@@ -161,15 +161,6 @@ function decoderError(fatal, opt_code_point) {
   return opt_code_point || 0xFFFD;
 }
 
-/**
- * @param {number} code_point The code point that could not be encoded.
- * @return {number} Always throws, no value is actually returned.
- */
-function encoderError(code_point) {
-  throw new EncodingError('The code point ' + code_point +
-                          ' could not be encoded.');
-}
-
 /**
  * @param {string} label The encoding label.
  * @return {?{name:string,labels:Array.<string>}}
@@ -678,17 +669,6 @@ function indexCodePointFor(pointer, index) {
     return index[pointer] || null;
 }
 
-/**
- * @param {number} code_point The |code point| to search for.
- * @param {Array.<?number>} index The |index| to search within.
- * @return {?number} The first pointer corresponding to |code point| in
- *     |index|, or null if |code point| is not in |index|.
- */
-function indexPointerFor(code_point, index) {
-  var pointer = index.indexOf(code_point);
-  return pointer === -1 ? null : pointer;
-}
-
 /** @type {Object.<string, (Array.<number>|Array.<Array.<number>>)>} */
 var indexes = require('./encoding-indexes');
 
@@ -717,29 +697,6 @@ function indexGB18030CodePointFor(pointer) {
   return code_point_offset + pointer - offset;
 }
 
-/**
- * @param {number} code_point The |code point| to locate in the gb18030 index.
- * @return {number} The first pointer corresponding to |code point| in the
- *     gb18030 index.
- */
-function indexGB18030PointerFor(code_point) {
-  var /** @type {number} */ offset = 0,
-      /** @type {number} */ pointer_offset = 0,
-      /** @type {Array.<Array.<number>>} */ idx = indexes['gb18030'];
-  var i;
-  for (i = 0; i < idx.length; ++i) {
-    var entry = idx[i];
-    if (entry[1] <= code_point) {
-      offset = entry[1];
-      pointer_offset = entry[0];
-    } else {
-      break;
-    }
-  }
-  return pointer_offset + code_point - offset;
-}
-
-
 //
 // 7. API
 //
@@ -1719,26 +1676,6 @@ name_to_encoding['utf-16le'].getDecoder = function(options) {
 // 14.5 x-user-defined
 // TODO: Implement this encoding.
 
-// NOTE: currently unused
-/**
- * @param {string} label The encoding label.
- * @param {ByteInputStream} input_stream The byte stream to test.
- */
-function detectEncoding(label, input_stream) {
-  if (input_stream.match([0xFF, 0xFE])) {
-    input_stream.offset(2);
-    return 'utf-16le';
-  }
-  if (input_stream.match([0xFE, 0xFF])) {
-    input_stream.offset(2);
-    return 'utf-16be';
-  }
-  if (input_stream.match([0xEF, 0xBB, 0xBF])) {
-    input_stream.offset(3);
-    return 'utf-8';
-  }
-  return label;
-}
 function hasEncoding(label) {
   return Object.prototype.hasOwnProperty.call(label_to_encoding, String(label).trim().toLowerCase());
 }

deps/streamsearch/sbmh.js

@@ -36,31 +36,31 @@ function SBMH(needle) {
     throw new TypeError("The needle has to be a String or a Buffer.");
   }
 
-  const needle_len = needle.length;
+  const needleLength = needle.length;
 
-  if (needle_len === 0) {
+  if (needleLength === 0) {
     throw new Error("The needle cannot be an empty String/Buffer.");
   }
 
-  if (needle_len > 256) {
+  if (needleLength > 256) {
     throw new Error("The needle cannot have a length bigger than 256.");
   }
 
   this.maxMatches = Infinity;
   this.matches = 0;
 
   this._occ = new Array(256)
-    .fill(needle_len); // Initialize occurrence table.
+    .fill(needleLength); // Initialize occurrence table.
   this._lookbehind_size = 0;
   this._needle = needle;
   this._bufpos = 0;
 
-  this._lookbehind = Buffer.alloc(needle_len);
+  this._lookbehind = Buffer.alloc(needleLength);
 
   // Populate occurrence table with analysis of the needle,
   // ignoring last letter.
-  for (var i = 0; i < needle_len - 1; ++i)
-    this._occ[needle[i]] = needle_len - 1 - i;
+  for (var i = 0; i < needleLength - 1; ++i)
+    this._occ[needle[i]] = needleLength - 1 - i;
 }
 inherits(SBMH, EventEmitter);
 
@@ -85,8 +85,8 @@ SBMH.prototype.push = function (chunk, pos) {
 SBMH.prototype._sbmh_feed = function (data) {
   const len = data.length,
     needle = this._needle,
-    needle_len = needle.length,
-    last_needle_char = needle[needle_len - 1];
+    needleLength = needle.length,
+    lastNeedleChar = needle[needleLength - 1];
 
   // Positive: points to a position in `data`
   //           pos == 3 points to data[3]
@@ -108,18 +108,18 @@ SBMH.prototype._sbmh_feed = function (data) {
     //   optimized loop.
     // or until
     //   the character to look at lies outside the haystack.
-    while (pos < 0 && pos <= len - needle_len) {
-      ch = this._sbmh_lookup_char(data, pos + needle_len - 1);
+    while (pos < 0 && pos <= len - needleLength) {
+      ch = this._sbmh_lookup_char(data, pos + needleLength - 1);
 
       if (
-        ch === last_needle_char &&
-        this._sbmh_memcmp(data, pos, needle_len - 1)
+        ch === lastNeedleChar &&
+        this._sbmh_memcmp(data, pos, needleLength - 1)
       ) {
         this._lookbehind_size = 0;
         ++this.matches;
         this.emit('info', true);
 
-        return (this._bufpos = pos + needle_len);
+        return (this._bufpos = pos + needleLength);
       }
       pos += this._occ[ch];
     }
@@ -177,9 +177,9 @@ SBMH.prototype._sbmh_feed = function (data) {
     else
       this.emit('info', true);
 
-    return (this._bufpos = pos + needle_len);
+    return (this._bufpos = pos + needleLength);
   } else {
-    pos = len - needle_len;
+    pos = len - needleLength;
   }
 
   // There was no match. If there's trailing haystack data that we cannot

lib/main.js

@@ -79,7 +79,7 @@ Busboy.prototype._write = function(chunk, encoding, cb) {
   this._parser.write(chunk, cb);
 };
 
-var TYPES = [
+const TYPES = [
   require('./types/multipart'),
   require('./types/urlencoded'),
 ];

lib/types/multipart.js

@@ -58,13 +58,13 @@ function Multipart(boy, cfg) {
   if (typeof boundary !== 'string')
     throw new Error('Multipart: Boundary not found');
 
-  var fieldSizeLimit = getLimit(limits, 'fieldSize', 1 * 1024 * 1024),
+  const fieldSizeLimit = getLimit(limits, 'fieldSize', 1 * 1024 * 1024),
       fileSizeLimit = getLimit(limits, 'fileSize', Infinity),
       filesLimit = getLimit(limits, 'files', Infinity),
       fieldsLimit = getLimit(limits, 'fields', Infinity),
       partsLimit = getLimit(limits, 'parts', Infinity);
 
-  var nfiles = 0,
+  let nfiles = 0,
       nfields = 0,
       nends = 0,
       curFile,

lib/types/urlencoded.js

@@ -9,7 +9,6 @@ function UrlEncoded(boy, cfg) {
   if (!(this instanceof UrlEncoded))
     return new UrlEncoded(boy, cfg);
   var limits = cfg.limits,
-      headers = cfg.headers,
       parsedConType = cfg.parsedConType;
   this.boy = boy;
 
@@ -91,7 +90,7 @@ UrlEncoded.prototype.write = function(data, cb) {
       } else if (idxamp !== undefined) {
         // key with no assignment
         ++this._fields;
-        var key, keyTrunc = this._keyTrunc;
+        let key, keyTrunc = this._keyTrunc;
         if (idxamp > p)
           key = (this._key += this.decoder.write(data.toString('binary', p, idxamp)));
         else

lib/utils.js

@@ -169,20 +169,20 @@ function basename(path) {
 }
 
 function getLimit(limits, name, defaultLimit) {
-  if (!limits)
-    return defaultLimit;
+  if (
+    !limits ||
+    limits[name] === undefined ||
+    limits[name] === null
+  )
+  return defaultLimit;
 
-  var limit = limits[name];
-  // Intentional double equals
-  if (limit == undefined)
-    return defaultLimit;
+  if (
+    typeof limits[name] !== 'number' ||
+    isNaN(limits[name])
+  )
+  throw new TypeError('Limit ' + name + ' is not a valid number');
 
-  // Ensure limit is a number and is not NaN
-  if (typeof limit !== 'number' || limit !== limit) {
-    throw new Error('Limit ' + name + ' is not a valid number');
-  }
-
-  return limit;
+  return limits[name];
 }
 
 module.exports = {

package.json

@@ -24,6 +24,8 @@
     "coveralls": "nyc report --reporter=lcov",
     "lint": "eslint .",
     "lint:everything": "npm run lint && npm run test:types",
+    "lint:fix": "standard --fix",
+    "lint:standard": "standard --verbose | snazzy",
     "test:mocha": "mocha test",
     "test:types": "tsd",
     "test:coverage": "nyc npm run test",
@@ -37,9 +39,12 @@
     "busboy": "^0.3.1",
     "chai": "^4.3.4",
     "eslint": "^8.3.0",
+    "eslint-config-standard": "^16.0.3",
     "eslint-plugin-node": "^11.1.0",
     "mocha": "^9.1.3",
     "nyc": "^15.1.0",
+    "snazzy": "^9.0.0",
+    "standard": "^16.0.4",
     "tsd": "^0.19.0",
     "typescript": "^4.5.2"
   },
@@ -62,6 +67,13 @@
       "target": "ES2017"
     }
   },
+  "standard": {
+    "globals": [ "describe", "it" ],
+    "ignore": [
+      "deps/encoding",
+      "bench"
+    ]
+  },
   "files": [
     "README.md",
     "LICENSE",

test/dicer-multipart-extra-trailer.spec.js

@@ -1,9 +1,10 @@
 const Dicer = require('../deps/dicer/lib/Dicer');
 const assert = require('assert'),
   fs = require('fs'),
+  path = require('path'),
   inspect = require('util').inspect;
 
-const FIXTURES_ROOT = __dirname + '/fixtures/';
+const FIXTURES_ROOT = path.join(__dirname, 'fixtures/');
 
 describe('dicer-multipart-extra-trailer', () => {
   [
@@ -17,12 +18,11 @@ describe('dicer-multipart-extra-trailer', () => {
   ].forEach(function (v) {
     it(v.what, (done) => {
       let fixtureBase = FIXTURES_ROOT + v.source,
-        fd,
         n = 0,
         buffer = Buffer.allocUnsafe(v.chsize),
         state = { parts: [] };
 
-      fd = fs.openSync(fixtureBase + '/original', 'r');
+      const fd = fs.openSync(fixtureBase + '/original', 'r');
 
       const dicer = new Dicer(v.opts);
       let error,

test/dicer-multipart-nolisteners.spec.js

@@ -4,7 +4,7 @@ const assert = require('assert'),
   path = require('path'),
   inspect = require('util').inspect;
 
-const FIXTURES_ROOT = path.resolve(__dirname, 'fixtures/');
+const FIXTURES_ROOT = path.join(__dirname, 'fixtures/');
 
 describe('dicer-multipart-nolisteners', () => {
   [

test/dicer-multipart.spec.js

@@ -4,7 +4,7 @@ const assert = require('assert'),
   path = require('path'),
   inspect = require('util').inspect;
 
-const FIXTURES_ROOT = __dirname + '/fixtures/';
+const FIXTURES_ROOT = path.join(__dirname, 'fixtures/');
 
 describe('dicer-multipart', () => {
   [
@@ -58,9 +58,7 @@ describe('dicer-multipart', () => {
     it(v.what, (done) => {
 
       const fixtureBase = FIXTURES_ROOT + v.source;
-      let n = 0,
-        buffer = Buffer.allocUnsafe(v.chsize),
-        state = { parts: [], preamble: undefined };
+      const state = { parts: [], preamble: undefined };
 
       const dicer = new Dicer(v.opts);
       let error,