fix more linting issues

packages/core/src/Editor.ts

@@ -1,6 +1,6 @@
 import { EditorState, Plugin, Transaction } from 'prosemirror-state'
 import { EditorView } from 'prosemirror-view'
-import { Schema, DOMParser, DOMSerializer } from 'prosemirror-model'
+import { Schema, DOMParser } from 'prosemirror-model'
 import magicMethods from './utils/magicMethods'
 import elementFromString from './utils/elementFromString'
 import nodeIsActive from './utils/nodeIsActive'
@@ -16,7 +16,6 @@ import EventEmitter from './EventEmitter'
 import Extension from './Extension'
 import Node from './Node'
 import Mark from './Mark'
-import ComponentRenderer from './ComponentRenderer'
 import defaultPlugins from './plugins'
 import * as coreCommands from './commands'
 

packages/core/src/commands/removeMark.ts

@@ -14,9 +14,8 @@ declare module '../Editor' {
 export const removeMark: RemoveMarkCommand = typeOrName => ({ tr, state }) => {
   const { selection } = tr
   const type = getMarkType(typeOrName, state.schema)
-  let {
-    from, to, $from, empty,
-  } = selection
+  let { from, to } = selection
+  const { $from, empty } = selection
 
   if (empty) {
     const range = getMarkRange($from, type)

packages/core/src/utils/magicMethods.ts

@@ -1,7 +1,7 @@
 export default function magicMethods(Clazz: any) {
   const classHandler = Object.create(null)
 
-  classHandler.construct = (_, args: any) => {
+  classHandler.construct = (_: any, args: any) => {
     const instance = new Clazz(...args)
     const instanceHandler = Object.create(null)
     const get = Object.getOwnPropertyDescriptor(Clazz.prototype, '__get')