diff --git a/.eslintrc.js b/.eslintrc.js
index d5a7a0c3f..fca7f5719 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -48,5 +48,7 @@ module.exports = {
     'consistent-return': 'off',
     'no-unused-vars': 'off',
     '@typescript-eslint/no-unused-vars': ['error'],
+    'no-use-before-define': 'off',
+    '@typescript-eslint/no-use-before-define': ['error'],
   },
 }
diff --git a/docs/src/components/PageNavigation/index.vue b/docs/src/components/PageNavigation/index.vue
index c83b58581..4b0760b0a 100644
--- a/docs/src/components/PageNavigation/index.vue
+++ b/docs/src/components/PageNavigation/index.vue
@@ -35,7 +35,7 @@ export default {
 
   computed: {
     items() {
-      return this.linkGroups.reduce((acc, group) => (acc.push(...group.items), acc), [])
+      return this.linkGroups.reduce((acc, group) => ((acc.push(...group.items), acc)), [])
     },
 
     currentIndex() {
diff --git a/packages/core/src/Editor.ts b/packages/core/src/Editor.ts
index 6987abcaf..926185886 100644
--- a/packages/core/src/Editor.ts
+++ b/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'
 
diff --git a/packages/core/src/commands/removeMark.ts b/packages/core/src/commands/removeMark.ts
index 9950819fd..49028fdf2 100644
--- a/packages/core/src/commands/removeMark.ts
+++ b/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)
diff --git a/packages/core/src/utils/magicMethods.ts b/packages/core/src/utils/magicMethods.ts
index e48bf22ee..b12456c24 100644
--- a/packages/core/src/utils/magicMethods.ts
+++ b/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')
diff --git a/packages/extension-bold/index.ts b/packages/extension-bold/index.ts
index 31f068296..5f937e56a 100644
--- a/packages/extension-bold/index.ts
+++ b/packages/extension-bold/index.ts
@@ -10,8 +10,8 @@ declare module '@tiptap/core/src/Editor' {
   }
 }
 
-export const starInputRegex = /(?:^|\s)((?:\*\*)((?:[^\*\*]+))(?:\*\*))$/gm
-export const starPasteRegex = /(?:^|\s)((?:\*\*)((?:[^\*\*]+))(?:\*\*))/gm
+export const starInputRegex = /(?:^|\s)((?:\*\*)((?:[^*]+))(?:\*\*))$/gm
+export const starPasteRegex = /(?:^|\s)((?:\*\*)((?:[^*]+))(?:\*\*))/gm
 export const underscoreInputRegex = /(?:^|\s)((?:__)((?:[^__]+))(?:__))$/gm
 export const underscorePasteRegex = /(?:^|\s)((?:__)((?:[^__]+))(?:__))/gm
 
diff --git a/packages/extension-italic/index.ts b/packages/extension-italic/index.ts
index 11472c5b7..e60219219 100644
--- a/packages/extension-italic/index.ts
+++ b/packages/extension-italic/index.ts
@@ -10,8 +10,8 @@ declare module '@tiptap/core/src/Editor' {
   }
 }
 
-export const starInputRegex = /(?:^|\s)((?:\*)((?:[^\*]+))(?:\*))$/gm
-export const starPasteRegex = /(?:^|\s)((?:\*)((?:[^\*]+))(?:\*))/gm
+export const starInputRegex = /(?:^|\s)((?:\*)((?:[^*]+))(?:\*))$/gm
+export const starPasteRegex = /(?:^|\s)((?:\*)((?:[^*]+))(?:\*))/gm
 export const underscoreInputRegex = /(?:^|\s)((?:_)((?:[^_]+))(?:_))$/gm
 export const underscorePasteRegex = /(?:^|\s)((?:_)((?:[^_]+))(?:_))/gm
 
diff --git a/packages/vue/src/Renderer.ts b/packages/vue/src/Renderer.ts
index ad40af797..67d3e6ec5 100644
--- a/packages/vue/src/Renderer.ts
+++ b/packages/vue/src/Renderer.ts
@@ -7,7 +7,7 @@ export default class Renderer extends ComponentRenderer {
 
   vm!: Vue
 
-  constructor(component: Vue, options: any) {
+  constructor(component: Vue) {
     super()
     this.mount(component)
   }