Fix max-statements-per-line issues (#9218)

See [`max-statements-per-line`](https://eslint.org/docs/rules/max-statements-per-line) for more information.

This change enables `max-statements-per-line` and fixes the issues raised by the rule.

.eslintrc.js

@@ -49,6 +49,7 @@ module.exports = {
     'guard-for-in': 'error',
     'implicit-arrow-linebreak': 'error',
     'import/extensions': ['error', 'never', { 'json': 'always' }],
+    'max-statements-per-line': ['error', { 'max': 1 }],
     'no-case-declarations': 'error',
     'no-constant-condition': 'error',
     'no-dupe-else-if': 'error',

app/scripts/lib/decrypt-message-manager.js

@@ -65,7 +65,8 @@ export default class DecryptMessageManager extends EventEmitter {
   getUnapprovedMsgs () {
     return this.messages.filter((msg) => msg.status === 'unapproved')
       .reduce((result, msg) => {
-        result[msg.id] = msg; return result
+        result[msg.id] = msg
+        return result
       }, {})
   }
 

app/scripts/lib/encryption-public-key-manager.js

@@ -62,7 +62,8 @@ export default class EncryptionPublicKeyManager extends EventEmitter {
   getUnapprovedMsgs () {
     return this.messages.filter((msg) => msg.status === 'unapproved')
       .reduce((result, msg) => {
-        result[msg.id] = msg; return result
+        result[msg.id] = msg
+        return result
       }, {})
   }
 

app/scripts/lib/message-manager.js

@@ -64,7 +64,8 @@ export default class MessageManager extends EventEmitter {
   getUnapprovedMsgs () {
     return this.messages.filter((msg) => msg.status === 'unapproved')
       .reduce((result, msg) => {
-        result[msg.id] = msg; return result
+        result[msg.id] = msg
+        return result
       }, {})
   }
 

app/scripts/lib/personal-message-manager.js

@@ -68,7 +68,8 @@ export default class PersonalMessageManager extends EventEmitter {
   getUnapprovedMsgs () {
     return this.messages.filter((msg) => msg.status === 'unapproved')
       .reduce((result, msg) => {
-        result[msg.id] = msg; return result
+        result[msg.id] = msg
+        return result
       }, {})
   }
 

app/scripts/lib/typed-message-manager.js

@@ -61,7 +61,8 @@ export default class TypedMessageManager extends EventEmitter {
   getUnapprovedMsgs () {
     return this.messages.filter((msg) => msg.status === 'unapproved')
       .reduce((result, msg) => {
-        result[msg.id] = msg; return result
+        result[msg.id] = msg
+        return result
       }, {})
   }