From 8e982a3f75fe7e0b75acdac5cf052567645fac5d Mon Sep 17 00:00:00 2001
From: hobbyquaker <bastiraff@googlemail.com>
Date: Wed, 30 May 2018 22:36:39 +0200
Subject: [PATCH] fix lint errors

---
 lib/backend/file.js |  9 +++------
 lib/core.js         |  9 +++------
 lib/worker.js       | 18 +++++++++---------
 package.json        |  7 ++++++-
 4 files changed, 21 insertions(+), 22 deletions(-)

diff --git a/lib/backend/file.js b/lib/backend/file.js
index 61fea60..fe09059 100644
--- a/lib/backend/file.js
+++ b/lib/backend/file.js
@@ -45,25 +45,22 @@ module.exports = function (core) {
             countDb += 1;
             timerDb = setTimeout(() => {
                 timerDb = null;
-                const rev = core.rev;
                 pjson.save(core.name + '.docs', {rev: core.rev, db: core.db}, () => {
-                    core.log.debug('saved', core.name + '.docs rev', rev);
+                    core.log.debug('saved', core.name + '.docs rev', core.rev);
                 });
             }, timeout);
         } else if (timerDb) {
             clearTimeout(timerDb);
             timerDb = null;
             countDb = 0;
-            const rev = core.rev;
             pjson.save(core.name + '.docs', {rev: core.rev, db: core.db}, () => {
-                core.log.debug('saved', core.name + '.docs rev', rev);
+                core.log.debug('saved', core.name + '.docs rev', core.rev);
             });
         } else {
             timerDb = setTimeout(() => {
                 timerDb = null;
-                const rev = core.rev;
                 pjson.save(core.name + '.docs', {rev: core.rev, db: core.db}, () => {
-                    core.log.debug('saved', core.name + '.docs rev', rev);
+                    core.log.debug('saved', core.name + '.docs rev', core.rev);
                 });
             }, timeout);
         }
diff --git a/lib/core.js b/lib/core.js
index 2b1c072..c999c25 100644
--- a/lib/core.js
+++ b/lib/core.js
@@ -1,9 +1,7 @@
-/* eslint-disable no-case-declarations, no-restricted-modules */
-
 const os = require('os');
 const path = require('path');
 const cluster = require('cluster');
-const EventEmitter = require('events').EventEmitter;
+const {EventEmitter} = require('events');
 const oe = require('obj-ease');
 
 let time;
@@ -28,8 +26,8 @@ class Core extends EventEmitter {
 
         /* istanbul ignore else */
         if (config.verbosity === 'debug') {
-            time = console.time;
-            timeEnd = console.timeEnd;
+            time = console.time; // eslint-disable-line prefer-destructuring
+            timeEnd = console.timeEnd; // eslint-disable-line prefer-destructuring
         } else {
             time = () => {};
             timeEnd = () => {};
@@ -290,7 +288,6 @@ class Core extends EventEmitter {
         this.log.debug('sending query', id, 'to worker', workerId, payload);
         this.workers[workerId].send({type: 'query', id, payload, init: init ? this.views[id] : undefined});
     }
-
 }
 
 module.exports = Core;
diff --git a/lib/worker.js b/lib/worker.js
index ba3e711..0204709 100644
--- a/lib/worker.js
+++ b/lib/worker.js
@@ -1,4 +1,4 @@
-const domain = require('domain'); // eslint-disable-line no-restricted-modules
+const domain = require('domain');
 const vm = require('vm');
 const oe = require('obj-ease');
 const mqttWildcard = require('mqtt-wildcard');
@@ -63,9 +63,7 @@ class Views {
             // Create/overwrite view
             this.queries[id] = payload;
 
-            const map = payload.map;
-            const reduce = payload.reduce;
-            const filter = payload.filter;
+            const {map, reduce, filter} = payload;
 
             if (!this.viewsEnv[id]) {
                 this.viewsEnv[id] = {};
@@ -133,7 +131,8 @@ class Views {
                     api: {
                         /**
                          * @method api.forEachDocument
-                         * @param {forEachDocumentCallback} callback
+                         * @param {forEachDocumentCallback} callback function called for each document
+                         * @returns {undefined}
                          * @description executes a provided function once for each document. Mind that using this
                          * function inside a map script can result in O(n²) complexity and could ruin view
                          * composition performance. If you need it you should instead use it in the reduce script.
@@ -175,7 +174,8 @@ class Views {
                     },
                     /**
                      * @method emit
-                     * @param {*} item
+                     * @param {*} item data that gets pushed to the result array
+                     * @returns {undefined}
                      * @description push an item to the result array
                      */
                     emit: item => Sandbox.api._result.push(item)
@@ -193,11 +193,11 @@ class Views {
 
     execView(id, callback) {
         time(process.pid + ' execView ' + id);
-        const script = this.viewsEnv[id].script;
+        const {script} = this.viewsEnv[id];
         time(process.pid + ' create domain ' + id);
         const viewDomain = domain.create();
         timeEnd(process.pid + ' create domain ' + id);
-        const context = this.viewsEnv[id].context;
+        const {context} = this.viewsEnv[id];
 
         viewDomain.on('error', err => {
             this.views[id].error = 'script execution: ' + err.message;
@@ -209,7 +209,7 @@ class Views {
 
         viewDomain.run(() => {
             setImmediate(() => {
-                const rev = this.rev;
+                const {rev} = this;
                 time(process.pid + ' runInContext ' + id);
                 script.runInContext(context, {
                     filename: 'view-' + id,
diff --git a/package.json b/package.json
index eae3d79..3d37ab8 100644
--- a/package.json
+++ b/package.json
@@ -56,6 +56,11 @@
     "space": 4,
     "ignore": [
       "test/test.js"
-    ]
+    ],
+    "rules": {
+      "no-case-declarations": "warn",
+      "no-restricted-modules": "warn",
+      "node/no-deprecated-api": "warn"
+    }
   }
 }