From 028aaf633c0b383e1e4599a94fb0dd8fae81db62 Mon Sep 17 00:00:00 2001
From: Mykola Bilochub <nbelochub@gmail.com>
Date: Thu, 18 Oct 2018 01:19:21 +0300
Subject: [PATCH] Use eslint-config-metarhia and fix linting issues

Refs: https://github.com/metarhia/Metarhia/issues/22
---
 .eslintrc.yml        | 172 +--------
 bin/cli.js           |   9 +-
 lib/decorators.js    |   6 +-
 lib/generator.js     |   9 +-
 lib/introspection.js |  24 +-
 lib/schema.js        |  38 +-
 lib/types.js         |   2 +-
 package-lock.json    | 875 +++++++++++++++++++++++++++----------------
 package.json         |   4 +-
 test/structure.js    |   4 +-
 test/validate.js     |   2 +-
 11 files changed, 602 insertions(+), 543 deletions(-)

diff --git a/.eslintrc.yml b/.eslintrc.yml
index e6471729..b327b9bf 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -1,171 +1 @@
-env:
-  es6: true
-  node: true
-extends: 'eslint:recommended'
-rules:
-  indent:
-    - error
-    - 2
-    - SwitchCase: 1
-      VariableDeclarator:
-        var: 2
-        let: 2
-        const: 3
-      MemberExpression: 1
-  linebreak-style:
-    - error
-    - unix
-  quotes:
-    - error
-    - single
-  semi:
-    - error
-    - always
-  eqeqeq:
-    - error
-    - always
-  no-loop-func:
-    - error
-  strict:
-    - error
-    - global
-  block-spacing:
-    - error
-    - always
-  brace-style:
-    - error
-    - 1tbs
-    - allowSingleLine: true
-  camelcase:
-    - error
-  comma-style:
-    - error
-    - last
-  comma-spacing:
-    - error
-    - before: false
-      after: true
-  eol-last:
-    - error
-  func-call-spacing:
-    - error
-    - never
-  key-spacing:
-    - error
-    - beforeColon: false
-      afterColon: true
-      mode: minimum
-  keyword-spacing:
-    - error
-    - before: true
-      after: true
-      overrides:
-        function:
-          after: false
-  max-len:
-    - error
-    - code: 80
-      ignoreUrls: true
-  max-nested-callbacks:
-    - error
-    - max: 7
-  new-cap:
-    - error
-    - newIsCap: true
-      capIsNew: true
-      properties: true
-  new-parens:
-    - error
-  no-lonely-if:
-    - error
-  no-trailing-spaces:
-    - error
-  no-unneeded-ternary:
-    - error
-  no-whitespace-before-property:
-    - error
-  object-curly-spacing:
-    - error
-    - always
-  operator-assignment:
-    - error
-    - always
-  operator-linebreak:
-    - error
-    - after
-  semi-spacing:
-    - error
-    - before: false
-      after: true
-  space-before-blocks:
-    - error
-    - always
-  space-before-function-paren:
-    - error
-    - never
-  space-in-parens:
-    - error
-    - never
-  space-infix-ops:
-    - error
-  space-unary-ops:
-    - error
-    - words: true
-      nonwords: false
-      overrides:
-        typeof: false
-  no-unreachable:
-    - error
-  no-global-assign:
-    - error
-  no-self-compare:
-    - error
-  no-unmodified-loop-condition:
-    - error
-  no-constant-condition:
-    - error
-    - checkLoops: false
-  no-console:
-    - off
-  no-useless-concat:
-    - error
-  no-useless-escape:
-    - error
-  no-shadow-restricted-names:
-    - error
-  no-use-before-define:
-    - error
-    - functions: false
-  arrow-body-style:
-    - error
-    - as-needed
-  arrow-spacing:
-    - error
-  no-confusing-arrow:
-    - error
-    - allowParens: true
-  no-useless-computed-key:
-    - error
-  no-useless-rename:
-    - error
-  no-var:
-    - error
-  object-shorthand:
-    - error
-    - always
-  prefer-arrow-callback:
-    - error
-  prefer-const:
-    - error
-  prefer-numeric-literals:
-    - error
-  prefer-rest-params:
-    - error
-  prefer-spread:
-    - error
-  rest-spread-spacing:
-    - error
-    - never
-  template-curly-spacing:
-    - error
-    - never
+extends: 'metarhia'
diff --git a/bin/cli.js b/bin/cli.js
index 226d24ee..5b160db8 100755
--- a/bin/cli.js
+++ b/bin/cli.js
@@ -6,12 +6,7 @@ const path = require('path');
 
 const common = require('metarhia-common');
 
-let metaschema;
-try {
-  metaschema = require('metaschema');
-} catch (e) {
-  metaschema = require('..');
-}
+const metaschema = require('..');
 
 const cwd = process.cwd();
 const apiFile = path.resolve(cwd, process.argv[2]);
@@ -23,7 +18,7 @@ try {
   const md = metaschema.generateMd(inventory);
   const mdFile = common.removeExt(apiFile) + '.md';
 
-  fs.writeFile(mdFile, md, (err) => {
+  fs.writeFile(mdFile, md, err => {
     if (err) console.log('Cant save output: ' + mdFile);
     else console.log('Generated API docs: ' + mdFile);
   });
diff --git a/lib/decorators.js b/lib/decorators.js
index 705db6f7..0b827ee9 100644
--- a/lib/decorators.js
+++ b/lib/decorators.js
@@ -82,7 +82,7 @@ module.exports = {
     Local: def => new Local(def),
     History: def => new History(def),
     View: def => new View(def),
-    Memory: def => new Memory(def)
+    Memory: def => new Memory(def),
   },
   attribute: {
     // Field decorators
@@ -97,6 +97,6 @@ module.exports = {
     Index: (...fields) => new Index(fields),
     Unique: (...fields) => new Unique(fields),
     // Validation function decorator
-    Validate: fn => Object.setPrototypeOf(fn, Validate)
-  }
+    Validate: fn => Object.setPrototypeOf(fn, Validate),
+  },
 };
diff --git a/lib/generator.js b/lib/generator.js
index a0587725..40b0deaa 100644
--- a/lib/generator.js
+++ b/lib/generator.js
@@ -1,10 +1,9 @@
 'use strict';
 
-const generateMd = (
-  // Generate md from interfaces inventory
-  inventory // hash of hash of record, { method, title, parameters }
-  // Returns: string, md document
-) => {
+// Generate md from interfaces inventory
+//   inventory - hash of hash of record, { method, title, parameters }
+// Returns: string, md document
+const generateMd = inventory => {
   const buf = [];
   for (const name in inventory) {
     const methods = inventory[name];
diff --git a/lib/introspection.js b/lib/introspection.js
index 8c79a78e..9888d4a9 100644
--- a/lib/introspection.js
+++ b/lib/introspection.js
@@ -49,14 +49,13 @@ const parseLines = (
   }
 };
 
-const parseSignature = (
-  // Parse function signature
-  fn // function, method
-  // Returns: { title, description, parameters, comments }
-) => {
+// Parse function signature
+//   fn - function, method
+// Returns: { title, description, parameters, comments }
+const parseSignature = fn => {
   const signature = {
     title: '', description: '',
-    parameters: [], comments: []
+    parameters: [], comments: [],
   };
   let s = fn.toString();
   let pos = FUNC_TERMS.map(indexing(s))
@@ -71,11 +70,10 @@ const parseSignature = (
   return signature;
 };
 
-const introspect = (
-  // Introspect interface
-  namespace // hash of interfaces
-  // Returns: hash of hash of record, { method, title, parameters }
-) => {
+// Introspect interface
+//   namespace - hash of interfaces
+// Returns: hash of hash of record, { method, title, parameters }
+const introspect = namespace => {
   const inventory = {};
   for (const name in namespace) {
     const iface = namespace[name];
@@ -85,7 +83,7 @@ const introspect = (
       const fn = iface[method];
       const signature = parseSignature(fn);
       methods[method] = Object.assign({
-        method: name + '.' + method
+        method: name + '.' + method,
       }, signature);
     }
   }
@@ -94,5 +92,5 @@ const introspect = (
 
 module.exports = {
   introspect,
-  parseSignature
+  parseSignature,
 };
diff --git a/lib/schema.js b/lib/schema.js
index 11711ec9..34ee87c3 100644
--- a/lib/schema.js
+++ b/lib/schema.js
@@ -19,18 +19,14 @@ const categories = new Map();
 const structs = {};
 
 const ValidationErrorSerializer = {
-  linkToLog: (error) =>
-    'Forbidden reference to a \'Log\' category ' +
-    `from ${error.source}.${error.property}`,
-  illegalLinkToLocal: (error) =>
-    `Illegal reference to a 'Local' category '${error.info.destination}' ` +
-    `from ${error.source}.${error.property}`,
-  unresolvedDomain: (error) =>
-    `Reference to an unresolved domain '${error.info.domain}' ` +
-    `from ${error.source}.${error.property}`,
-  unresolvedCategory: (error) =>
-    `Reference to an unresolved category '${error.info.category}' ` +
+  linkToLog: error => 'Forbidden reference to a \'Log\' category ' +
     `from ${error.source}.${error.property}`,
+  illegalLinkToLocal: error => 'Illegal reference to a \'Local\' category' +
+    ` '${error.info.destination}' from ${error.source}.${error.property}`,
+  unresolvedDomain: error => 'Reference to an unresolved domain' +
+    ` '${error.info.domain}' from ${error.source}.${error.property}`,
+  unresolvedCategory: error => 'Reference to an unresolved category' +
+    ` '${error.info.category}' from ${error.source}.${error.property}`,
 };
 
 class ValidationError extends Error {
@@ -109,7 +105,7 @@ const processSchema = (
 // as Local
 //   category - object
 // Returns: string
-const getCategoryType = (category) => {
+const getCategoryType = category => {
   const type = category.constructor.name;
   return type === 'Object' ? 'Local' : type;
 };
@@ -147,10 +143,9 @@ const verifyLink = (
   return null;
 };
 
-const linkSchemas = (
-  // Crosslink loaded schema
-  schemas // object, schema collection
-) => {
+// Crosslink loaded schema
+//   schemas - object, schema collection
+const linkSchemas = schemas => {
   const errors = [];
   for (const schemaName in schemas) {
     const schema = schemas[schemaName];
@@ -267,11 +262,10 @@ const factorify = (
   return factory;
 };
 
-const build = (
-  // Build schemas list (directory)
-  schemas // object, key: schema
-  // Returns: function
-) => {
+// Build schemas list (directory)
+//   schemas - object, key: schema
+// Returns: function
+const build = schemas => {
   const factories = {};
   for (const name in schemas) {
     const definition = schemas[name];
@@ -305,7 +299,7 @@ const load = (
         processSchema(file, schema, schemas);
         callback(null);
       });
-    }, (err) => {
+    }, err => {
       if (err) {
         callback(err);
         return;
diff --git a/lib/types.js b/lib/types.js
index 6bc006ca..76766789 100644
--- a/lib/types.js
+++ b/lib/types.js
@@ -9,5 +9,5 @@ const ALL_TYPES = merge(SCALAR_TYPES, OBJECT_TYPES);
 module.exports = {
   SCALAR_TYPES,
   OBJECT_TYPES,
-  ALL_TYPES
+  ALL_TYPES,
 };
diff --git a/package-lock.json b/package-lock.json
index 965c65ed..fb8be6b4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,47 +4,53 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
+      "integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
+      "dev": true,
+      "requires": {
+        "@babel/highlight": "^7.0.0"
+      }
+    },
+    "@babel/highlight": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz",
+      "integrity": "sha512-UFMC4ZeFC48Tpvj7C8UgLvtkaUuovQX+5xNWrsIoMG8o2z+XFKjKaN9iVmS84dPwVN00W4wPmqvYoZF3EGAsfw==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.0.0",
+        "esutils": "^2.0.2",
+        "js-tokens": "^4.0.0"
+      }
+    },
     "acorn": {
-      "version": "5.5.3",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.5.3.tgz",
-      "integrity": "sha512-jd5MkIUlbbmb07nXH0DT3y7rDVtkzDi4XZOUVWAer8ajmF/DTSSbl5oNFyDOl/OXA33Bl79+ypHhl2pN20VeOQ==",
+      "version": "5.7.3",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
+      "integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==",
       "dev": true
     },
     "acorn-jsx": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
-      "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-4.1.1.tgz",
+      "integrity": "sha512-JY+iV6r+cO21KtntVvFkD+iqjtdpRUpGqKWgfkCdZq1R+kbreEl8EcdcJR4SmiIgsIQT33s6QzheQ9a275Q8xw==",
       "dev": true,
       "requires": {
-        "acorn": "^3.0.4"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "3.3.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
-          "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
-          "dev": true
-        }
+        "acorn": "^5.0.3"
       }
     },
     "ajv": {
-      "version": "5.5.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
-      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+      "version": "6.5.4",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.4.tgz",
+      "integrity": "sha512-4Wyjt8+t6YszqaXnLDfMmG/8AlO5Zbcsy3ATHncCzjW/NoPzAId8AK6749Ybjmdt+kUY1gP60fCu46oDxPv/mg==",
       "dev": true,
       "requires": {
-        "co": "^4.6.0",
-        "fast-deep-equal": "^1.0.0",
+        "fast-deep-equal": "^2.0.1",
         "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.3.0"
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
       }
     },
-    "ajv-keywords": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-2.1.1.tgz",
-      "integrity": "sha1-YXmX/F9gV2iUxDX5QNgZ4TW4B2I=",
-      "dev": true
-    },
     "ansi-escapes": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.1.0.tgz",
@@ -52,16 +58,19 @@
       "dev": true
     },
     "ansi-regex": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+      "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
       "dev": true
     },
     "ansi-styles": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-      "dev": true
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+      "dev": true,
+      "requires": {
+        "color-convert": "^1.9.0"
+      }
     },
     "argparse": {
       "version": "1.0.10",
@@ -93,41 +102,6 @@
       "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=",
       "dev": true
     },
-    "babel-code-frame": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
-      "integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
-      "dev": true,
-      "requires": {
-        "chalk": "^1.1.3",
-        "esutils": "^2.0.2",
-        "js-tokens": "^3.0.2"
-      },
-      "dependencies": {
-        "chalk": {
-          "version": "1.1.3",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^2.2.1",
-            "escape-string-regexp": "^1.0.2",
-            "has-ansi": "^2.0.0",
-            "strip-ansi": "^3.0.0",
-            "supports-color": "^2.0.0"
-          }
-        },
-        "strip-ansi": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-          "dev": true,
-          "requires": {
-            "ansi-regex": "^2.0.0"
-          }
-        }
-      }
-    },
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
@@ -144,10 +118,10 @@
         "concat-map": "0.0.1"
       }
     },
-    "buffer-from": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.0.0.tgz",
-      "integrity": "sha512-83apNb8KK0Se60UE1+4Ukbe3HbfELJ6UlI4ldtOGs7So4KD26orJM8hIY9lxdzP+UpItH1Yh/Y8GUvNFWFFRxA==",
+    "builtin-modules": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
+      "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
       "dev": true
     },
     "caller-path": {
@@ -166,40 +140,20 @@
       "dev": true
     },
     "chalk": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.0.tgz",
-      "integrity": "sha512-Wr/w0f4o9LuE7K53cD0qmbAMM+2XNLzR29vFn5hqko4sxGlUsyy363NvmyGIyk5tpe9cjTr9SJYbysEyPkRnFw==",
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
+      "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
       "dev": true,
       "requires": {
         "ansi-styles": "^3.2.1",
         "escape-string-regexp": "^1.0.5",
         "supports-color": "^5.3.0"
-      },
-      "dependencies": {
-        "ansi-styles": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-          "dev": true,
-          "requires": {
-            "color-convert": "^1.9.0"
-          }
-        },
-        "supports-color": {
-          "version": "5.4.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
-          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
-          "dev": true,
-          "requires": {
-            "has-flag": "^3.0.0"
-          }
-        }
       }
     },
     "chardet": {
-      "version": "0.4.2",
-      "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.4.2.tgz",
-      "integrity": "sha1-tUc7M9yXxCTl2Y3IfVXU2KKci/I=",
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.7.0.tgz",
+      "integrity": "sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==",
       "dev": true
     },
     "circular-json": {
@@ -223,19 +177,13 @@
       "integrity": "sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk=",
       "dev": true
     },
-    "co": {
-      "version": "4.6.0",
-      "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
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       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -994,9 +1206,9 @@
       "dev": true
     },
     "semver": {
-      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.0.tgz",
-      "integrity": "sha512-4SJ3dm0WAwWy/NVeioZh5AntkdJoWKxHxcmyP622fOkgHa4z3R0TdBJICINyaSDE6uNwVc8gZr+ZinwZAH4xIA==",
+      "version": "5.6.0",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.6.0.tgz",
+      "integrity": "sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg==",
       "dev": true
     },
     "shebang-command": {
@@ -1029,6 +1241,38 @@
         "is-fullwidth-code-point": "^2.0.0"
       }
     },
+    "spdx-correct": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.0.2.tgz",
+      "integrity": "sha512-q9hedtzyXHr5S0A1vEPoK/7l8NpfkFYTq6iCY+Pno2ZbdZR6WexZFtqeVGkGxW3TEJMN914Z55EnAGMmenlIQQ==",
+      "dev": true,
+      "requires": {
+        "spdx-expression-parse": "^3.0.0",
+        "spdx-license-ids": "^3.0.0"
+      }
+    },
+    "spdx-exceptions": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/spdx-exceptions/-/spdx-exceptions-2.2.0.tgz",
+      "integrity": "sha512-2XQACfElKi9SlVb1CYadKDXvoajPgBVPn/gOQLrTvHdElaVhr7ZEbqJaRnJLVNeaI4cMEAgVCeBMKF6MWRDCRA==",
+      "dev": true
+    },
+    "spdx-expression-parse": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/spdx-expression-parse/-/spdx-expression-parse-3.0.0.tgz",
+      "integrity": "sha512-Yg6D3XpRD4kkOmTpdgbUiEJFKghJH03fiC1OPll5h/0sO6neh2jqRDVHOQ4o/LMea0tgCkbMgea5ip/e+MkWyg==",
+      "dev": true,
+      "requires": {
+        "spdx-exceptions": "^2.1.0",
+        "spdx-license-ids": "^3.0.0"
+      }
+    },
+    "spdx-license-ids": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.1.tgz",
+      "integrity": "sha512-TfOfPcYGBB5sDuPn3deByxPhmfegAhpDYKSOXZQN81Oyrrif8ZCodOLzK3AesELnCx03kikhyDwh0pfvvQvF8w==",
+      "dev": true
+    },
     "sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -1045,15 +1289,6 @@
         "strip-ansi": "^4.0.0"
       }
     },
-    "string_decoder": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-      "dev": true,
-      "requires": {
-        "safe-buffer": "~5.1.0"
-      }
-    },
     "strip-ansi": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
@@ -1061,16 +1296,14 @@
       "dev": true,
       "requires": {
         "ansi-regex": "^3.0.0"
-      },
-      "dependencies": {
-        "ansi-regex": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
-          "dev": true
-        }
       }
     },
+    "strip-bom": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+      "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+      "dev": true
+    },
     "strip-json-comments": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
@@ -1078,21 +1311,22 @@
       "dev": true
     },
     "supports-color": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-      "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-      "dev": true
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+      "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+      "dev": true,
+      "requires": {
+        "has-flag": "^3.0.0"
+      }
     },
     "table": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/table/-/table-4.0.2.tgz",
-      "integrity": "sha512-UUkEAPdSGxtRpiV9ozJ5cMTtYiqz7Ni1OGqLXRCynrvzdtR1p+cfOWe2RJLwvUG8hNanaSRjecIqwOjqeatDsA==",
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/table/-/table-5.1.0.tgz",
+      "integrity": "sha512-e542in22ZLhD/fOIuXs/8yDZ9W61ltF8daM88rkRNtgTIct+vI2fTnAyu/Db2TCfEcI8i7mjZz6meLq0nW7TYg==",
       "dev": true,
       "requires": {
-        "ajv": "^5.2.3",
-        "ajv-keywords": "^2.1.0",
-        "chalk": "^2.1.0",
-        "lodash": "^4.17.4",
+        "ajv": "^6.5.3",
+        "lodash": "^4.17.10",
         "slice-ansi": "1.0.0",
         "string-width": "^2.1.1"
       }
@@ -1118,6 +1352,12 @@
         "os-tmpdir": "~1.0.2"
       }
     },
+    "tslib": {
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.3.tgz",
+      "integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==",
+      "dev": true
+    },
     "type-check": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
@@ -1127,22 +1367,29 @@
         "prelude-ls": "~1.1.2"
       }
     },
-    "typedarray": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
-      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
-      "dev": true
+    "uri-js": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
+      "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+      "dev": true,
+      "requires": {
+        "punycode": "^2.1.0"
+      }
     },
-    "util-deprecate": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
-      "dev": true
+    "validate-npm-package-license": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
+      "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
+      "dev": true,
+      "requires": {
+        "spdx-correct": "^3.0.0",
+        "spdx-expression-parse": "^3.0.0"
+      }
     },
     "which": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/which/-/which-1.3.0.tgz",
-      "integrity": "sha512-xcJpopdamTuY5duC/KnTTNBraPK54YwpenP4lzxU8H91GudWpFv38u0CKjclE1Wi2EH2EDz5LRcHcKbCIzqGyg==",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+      "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
       "dev": true,
       "requires": {
         "isexe": "^2.0.0"
@@ -1168,12 +1415,6 @@
       "requires": {
         "mkdirp": "^0.5.1"
       }
-    },
-    "yallist": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
-      "dev": true
     }
   }
 }
diff --git a/package.json b/package.json
index edd58ff1..9f1c2164 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,8 @@
     "metasync": "^0.3.29"
   },
   "devDependencies": {
-    "eslint": "^4.19.1"
+    "eslint": "^5.7.0",
+    "eslint-config-metarhia": "^5.0.0",
+    "eslint-plugin-import": "^2.14.0"
   }
 }
diff --git a/test/structure.js b/test/structure.js
index deb9dd5e..858a1b0f 100644
--- a/test/structure.js
+++ b/test/structure.js
@@ -53,8 +53,8 @@ metaschema.load('geometry', (err, schema) => {
       { x: 2, y: 2 },
       { x: 3, y: 4 },
       { x: 4, y: 5 },
-      { x: 3, y: 5 }
-    ]
+      { x: 3, y: 5 },
+    ],
   });
   console.dir({ pl1 }, { depth: null });
 
diff --git a/test/validate.js b/test/validate.js
index 3aa0c2f8..7b3c304f 100644
--- a/test/validate.js
+++ b/test/validate.js
@@ -11,7 +11,7 @@ metaschema.loadSchema(path, (err, schema) => {
   metaschema.build({
     Schema1: { Name: { domain: 'Nomen', required: false } },
     Schema2: { Name: { domain: 'Nomen', required: true } },
-    Schema3: { Name: { domain: 'Unknown' } }
+    Schema3: { Name: { domain: 'Unknown' } },
   });
 
   // Validate data by category, valid