Run eslint on .vue files

docs/.vuepress/.eslintrc.js

@@ -0,0 +1,21 @@
+"use strict";
+
+module.exports = {
+
+    "extends": "plugin:vue/recommended",
+
+    "parserOptions": {
+
+        // plugin:vue/recommended set's this to "module" for some reason...
+        "sourceType": "script"
+
+    },
+
+    "rules": {
+
+        "vue/html-indent": [ "error", 4 ],
+        "vue/singleline-html-element-content-newline": 0,
+
+    },
+
+};

package.json

@@ -8,7 +8,7 @@
         "website"
     ],
     "scripts": {
-        "lint": "eslint .",
+        "lint": "eslint --ext .js,.vue . docs/.vuepress",
         "spec": "mocha --recursive",
         "benchmark": "node tools/benchmark/node",
         "build-docs": "vuepress build docs",
@@ -19,7 +19,7 @@
         "impact": "node tools/impact master",
         "start": "node website/server.js",
         "now-build": "npm run build-docs",
-        "test": "eslint . && nyc mocha --recursive",
+        "test": "npm run lint && nyc mocha --recursive",
         "coverage": "nyc report --reporter=text-lcov | coveralls"
     },
     "devDependencies": {
@@ -27,6 +27,7 @@
         "rimraf": "2.6.2",
         "eslint": "5",
         "eslint-config-futagozaryuu": "5",
+        "eslint-plugin-vue": "5",
         "mocha": "5.2.0",
         "vuepress": "next",
         "nyc": "13.1.0"

yarn.lock

@@ -3221,6 +3221,13 @@ eslint-plugin-node@~8.0.0:
     resolve "^1.8.1"
     semver "^5.5.0"
 
+eslint-plugin-vue@5:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-vue/-/eslint-plugin-vue-5.0.0.tgz#4a2cc1c0e71ea45e1bd9c1a60f925bfe68bb5710"
+  integrity sha512-mSv2Ebz3RaPP+XJO/mu7F+SdR9lrMyGISSExnarLFqqf3pF5wTmwWNrhHW1o9zKzKI811UVTIIkWJJvgO6SsUQ==
+  dependencies:
+    vue-eslint-parser "^4.0.2"
+
 eslint-scope@3.7.1:
   version "3.7.1"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-3.7.1.tgz#3d63c3edfda02e06e01a452ad88caacc7cdcb6e8"
@@ -3290,6 +3297,15 @@ eslint@5:
     table "^5.0.2"
     text-table "^0.2.0"
 
+espree@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-4.1.0.tgz#728d5451e0fd156c04384a7ad89ed51ff54eb25f"
+  integrity sha512-I5BycZW6FCVIub93TeVY1s7vjhP9CY6cXCznIRfiig7nRviKZYdRnj/sHEWC6A7WE9RDWOFq9+7OsWSYz8qv2w==
+  dependencies:
+    acorn "^6.0.2"
+    acorn-jsx "^5.0.0"
+    eslint-visitor-keys "^1.0.0"
+
 espree@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/espree/-/espree-5.0.0.tgz#fc7f984b62b36a0f543b13fb9cd7b9f4a7f5b65c"
@@ -8586,6 +8602,18 @@ vm-browserify@0.0.4:
   dependencies:
     indexof "0.0.1"
 
+vue-eslint-parser@^4.0.2:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/vue-eslint-parser/-/vue-eslint-parser-4.0.3.tgz#80cf162e484387b2640371ad21ba1f86e0c10a61"
+  integrity sha512-AUeQsYdO6+7QXCems+WvGlrXd37PHv/zcRQSQdY1xdOMwdFAPEnMBsv7zPvk0TPGulXkK/5p/ITgrjiYB7k3ag==
+  dependencies:
+    debug "^4.1.0"
+    eslint-scope "^4.0.0"
+    eslint-visitor-keys "^1.0.0"
+    espree "^4.1.0"
+    esquery "^1.0.1"
+    lodash "^4.17.11"
+
 vue-hot-reload-api@^2.3.0:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/vue-hot-reload-api/-/vue-hot-reload-api-2.3.1.tgz#b2d3d95402a811602380783ea4f566eb875569a2"