try xo instead of semistandard

.eslintrc.yml

@@ -1 +1,10 @@
-extends: semistandard
+extends: xo
+rules:
+  new-cap: off
+  capitalized-comments: off
+  space-before-function-paren:
+    - error
+    - always
+  indent:
+    - error
+    - 2

package.json

@@ -28,12 +28,7 @@
     "babel-preset-env": "^1.2.0",
     "babel-register": "^6.23.0",
     "eslint": "^3.19.0",
-    "eslint-config-semistandard": "^11.0.0",
-    "eslint-config-standard": "^10.2.1",
-    "eslint-plugin-import": "^2.2.0",
-    "eslint-plugin-node": "^4.2.2",
-    "eslint-plugin-promise": "^3.5.0",
-    "eslint-plugin-standard": "^3.0.1",
+    "eslint-config-xo": "^0.18.1",
     "mocha": "^3.3.0",
     "sinon": "^2.1.0",
     "stampit": "^3.1.2",
@@ -47,7 +42,7 @@
     "stampit": "^3.0.0"
   },
   "scripts": {
-    "pretest": "eslint '*.js' src test --fix",
+    "pretest": "eslint src/ test/",
     "build": "babel --source-maps --out-dir dist src",
     "build:watch": "babel --source-maps --watch --out-dir dist src",
     "test": "mocha --require babel-register"

src/eventemittable.js

@@ -1,5 +1,5 @@
-import stampit from 'stampit';
 import {EventEmitter} from 'events';
+import stampit from 'stampit';
 
 // https://github.com/stampit-org/stampit/blob/master/advanced-examples/event-emitter.js
 export default stampit()

test/.eslintrc.yml

@@ -0,0 +1,4 @@
+rules:
+  max-nested-callbacks: off
+env:
+  mocha: true

test/eventemittable.spec.js

@@ -1,12 +1,11 @@
-/* eslint-env mocha */
-
 import {EventEmitter} from 'events';
-import EventEmittable from '../src/eventemittable';
 import unexpected from 'unexpected';
 import usinon from 'unexpected-sinon';
 import sinon from 'sinon';
 import stampit from 'stampit';
 
+import EventEmittable from '../src/eventemittable';
+
 const expect = unexpected.clone()
   .use(usinon);
 

yarn.lock

@@ -693,10 +693,6 @@ buffer-shims@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/buffer-shims/-/buffer-shims-1.0.0.tgz#9978ce317388c649ad8793028c3477ef044a8b51"
 
-builtin-modules@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
-
 caller-path@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
@@ -794,10 +790,6 @@ console-control-strings@^1.0.0, console-control-strings@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
 
-contains-path@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/contains-path/-/contains-path-0.1.0.tgz#fe8cf184ff6670b6baef01a9d4861a5cbec4120a"
-
 convert-source-map@^1.1.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.0.tgz#9acd70851c6d5dfdd93d9282e5edf94a03ff46b5"
@@ -828,24 +820,12 @@ dashdash@^1.12.0:
   dependencies:
     assert-plus "^1.0.0"
 
-debug@2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.2.0.tgz#f87057e995b1a1f6ae6a4960664137bc56f039da"
-  dependencies:
-    ms "0.7.1"
-
-debug@2.6.0:
+debug@2.6.0, debug@^2.1.1, debug@^2.2.0:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.0.tgz#bc596bcabe7617f11d9fa15361eded5608b8499b"
   dependencies:
     ms "0.7.2"
 
-debug@^2.1.1, debug@^2.2.0:
-  version "2.6.6"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.6.tgz#a9fa6fbe9ca43cf1e79f73b75c0189cbb7d6db5a"
-  dependencies:
-    ms "0.7.3"
-
 deep-extend@~0.4.0:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.4.1.tgz#efe4113d08085f4e6f9687759810f807469e2253"
@@ -896,13 +876,6 @@ diff@3.2.0, diff@^3.1.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.2.0.tgz#c9ce393a4b7cbd0b058a725c93df299027868ff9"
 
-doctrine@1.5.0:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-1.5.0.tgz#379dce730f6166f76cefa4e6707a159b02c5a6fa"
-  dependencies:
-    esutils "^2.0.2"
-    isarray "^1.0.0"
-
 doctrine@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.0.0.tgz#c73d8d2909d22291e1a007a395804da8b665fe63"
@@ -985,61 +958,9 @@ escope@^3.6.0:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint-config-semistandard@^11.0.0:
-  version "11.0.0"
-  resolved "https://registry.yarnpkg.com/eslint-config-semistandard/-/eslint-config-semistandard-11.0.0.tgz#44eef7cfdfd47219e3a7b81b91b540e880bb2615"
-
-eslint-config-standard@^10.2.1:
-  version "10.2.1"
-  resolved "https://registry.yarnpkg.com/eslint-config-standard/-/eslint-config-standard-10.2.1.tgz#c061e4d066f379dc17cd562c64e819b4dd454591"
-
-eslint-import-resolver-node@^0.2.0:
-  version "0.2.3"
-  resolved "https://registry.yarnpkg.com/eslint-import-resolver-node/-/eslint-import-resolver-node-0.2.3.tgz#5add8106e8c928db2cba232bcd9efa846e3da16c"
-  dependencies:
-    debug "^2.2.0"
-    object-assign "^4.0.1"
-    resolve "^1.1.6"
-
-eslint-module-utils@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/eslint-module-utils/-/eslint-module-utils-2.0.0.tgz#a6f8c21d901358759cdc35dbac1982ae1ee58bce"
-  dependencies:
-    debug "2.2.0"
-    pkg-dir "^1.0.0"
-
-eslint-plugin-import@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-import/-/eslint-plugin-import-2.2.0.tgz#72ba306fad305d67c4816348a4699a4229ac8b4e"
-  dependencies:
-    builtin-modules "^1.1.1"
-    contains-path "^0.1.0"
-    debug "^2.2.0"
-    doctrine "1.5.0"
-    eslint-import-resolver-node "^0.2.0"
-    eslint-module-utils "^2.0.0"
-    has "^1.0.1"
-    lodash.cond "^4.3.0"
-    minimatch "^3.0.3"
-    pkg-up "^1.0.0"
-
-eslint-plugin-node@^4.2.2:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-node/-/eslint-plugin-node-4.2.2.tgz#82959ca9aed79fcbd28bb1b188d05cac04fb3363"
-  dependencies:
-    ignore "^3.0.11"
-    minimatch "^3.0.2"
-    object-assign "^4.0.1"
-    resolve "^1.1.7"
-    semver "5.3.0"
-
-eslint-plugin-promise@^3.5.0:
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-promise/-/eslint-plugin-promise-3.5.0.tgz#78fbb6ffe047201627569e85a6c5373af2a68fca"
-
-eslint-plugin-standard@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-standard/-/eslint-plugin-standard-3.0.1.tgz#34d0c915b45edc6f010393c7eef3823b08565cf2"
+eslint-config-xo@^0.18.1:
+  version "0.18.1"
+  resolved "https://registry.yarnpkg.com/eslint-config-xo/-/eslint-config-xo-0.18.1.tgz#f3bc873b33b2c82513d881eacb2ee3428407ad33"
 
 eslint@^3.19.0:
   version "3.19.0"
@@ -1186,13 +1107,6 @@ fill-range@^2.1.0:
     repeat-element "^1.1.2"
     repeat-string "^1.5.2"
 
-find-up@^1.0.0:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
-  dependencies:
-    path-exists "^2.0.0"
-    pinkie-promise "^2.0.0"
-
 flat-cache@^1.2.1:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-1.2.2.tgz#fa86714e72c21db88601761ecf2f555d1abc6b96"
@@ -1262,10 +1176,6 @@ fstream@^1.0.0, fstream@^1.0.10, fstream@^1.0.2:
     mkdirp ">=0.5 0"
     rimraf "2"
 
-function-bind@^1.0.2:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.0.tgz#16176714c801798e4e8f2cf7f7529467bb4a5771"
-
 gauge@~2.7.1:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
@@ -1379,12 +1289,6 @@ has-unicode@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
 
-has@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/has/-/has-1.0.1.tgz#8461733f538b0837c9361e39a9ab9e9704dc2f28"
-  dependencies:
-    function-bind "^1.0.2"
-
 hawk@~3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/hawk/-/hawk-3.1.3.tgz#078444bd7c1640b0fe540d2c9b73d59678e8e1c4"
@@ -1413,7 +1317,7 @@ http-signature@~1.1.0:
     jsprim "^1.2.2"
     sshpk "^1.7.0"
 
-ignore@^3.0.11, ignore@^3.2.0:
+ignore@^3.2.0:
   version "3.2.7"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.2.7.tgz#4810ca5f1d8eca5595213a34b94f2eb4ed926bbd"
 
@@ -1693,10 +1597,6 @@ lodash._isiterateecall@^3.0.0:
   version "3.0.9"
   resolved "https://registry.yarnpkg.com/lodash._isiterateecall/-/lodash._isiterateecall-3.0.9.tgz#5203ad7ba425fae842460e696db9cf3e6aac057c"
 
-lodash.cond@^4.3.0:
-  version "4.5.2"
-  resolved "https://registry.yarnpkg.com/lodash.cond/-/lodash.cond-4.5.2.tgz#f471a1da486be60f6ab955d17115523dd1d255d5"
-
 lodash.create@3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/lodash.create/-/lodash.create-3.1.1.tgz#d7f2849f0dbda7e04682bb8cd72ab022461debe7"
@@ -1771,7 +1671,7 @@ mime-types@^2.1.12, mime-types@~2.1.7:
   dependencies:
     mime-db "~1.27.0"
 
-minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3:
+minimatch@^3.0.0, minimatch@^3.0.2:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.3.tgz#2a4e4090b96b2db06a9d7df01055a62a77c9b774"
   dependencies:
@@ -1807,18 +1707,10 @@ mocha@^3.3.0:
     mkdirp "0.5.1"
     supports-color "3.1.2"
 
-ms@0.7.1:
-  version "0.7.1"
-  resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.1.tgz#9cd13c03adbff25b65effde7ce864ee952017098"
-
 ms@0.7.2:
   version "0.7.2"
   resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.2.tgz#ae25cf2512b3885a1d95d7f037868d8431124765"
 
-ms@0.7.3:
-  version "0.7.3"
-  resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.3.tgz#708155a5e44e33f5fd0fc53e81d0d40a91be1fff"
-
 mute-stream@0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
@@ -1943,12 +1835,6 @@ parse-glob@^3.0.4:
     is-extglob "^1.0.0"
     is-glob "^2.0.0"
 
-path-exists@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
-  dependencies:
-    pinkie-promise "^2.0.0"
-
 path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
@@ -1985,18 +1871,6 @@ pinkie@^2.0.0:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
 
-pkg-dir@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/pkg-dir/-/pkg-dir-1.0.0.tgz#7a4b508a8d5bb2d629d447056ff4e9c9314cf3d4"
-  dependencies:
-    find-up "^1.0.0"
-
-pkg-up@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/pkg-up/-/pkg-up-1.0.0.tgz#3e08fb461525c4421624a33b9f7e6d0af5b05a26"
-  dependencies:
-    find-up "^1.0.0"
-
 pluralize@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-1.2.1.tgz#d1a21483fd22bb41e58a12fa3421823140897c45"
@@ -2183,7 +2057,7 @@ resolve-from@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
 
-resolve@^1.1.6, resolve@^1.1.7:
+resolve@^1.1.6:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.3.3.tgz#655907c3469a8680dc2de3a275a8fdd69691f0e5"
   dependencies:
@@ -2220,7 +2094,7 @@ samsam@1.x, samsam@^1.1.3:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/samsam/-/samsam-1.2.1.tgz#edd39093a3184370cb859243b2bdf255e7d8ea67"
 
-semver@5.3.0, semver@^5.3.0:
+semver@^5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"