diff --git a/src/codecs/encoders.ts b/src/codecs/encoders.ts
index 7e14c9ba..f0158115 100644
--- a/src/codecs/encoders.ts
+++ b/src/codecs/encoders.ts
@@ -1,15 +1,13 @@
 import * as mozJPEG from './mozjpeg/encoder';
-import { EncoderState as MozJPEGEncodeData, EncodeOptions as MozJPEGEncodeOptions } from './mozjpeg/encoder';
 import * as identity from './identity/encoder';
-import { EncoderState as IdentityEncodeData, EncodeOptions as IdentityEncodeOptions } from './identity/encoder';
 
-export type EncoderState = IdentityEncodeData | MozJPEGEncodeData;
-export type EncoderOptions = IdentityEncodeOptions | MozJPEGEncodeOptions;
+export type EncoderState = identity.EncoderState | mozJPEG.EncoderState;
+export type EncoderOptions = identity.EncodeOptions | mozJPEG.EncodeOptions;
 export type EncoderType = keyof typeof encoderMap;
 
 export const encoderMap = {
   [identity.type]: identity,
-  [mozJPEG.type]: mozJPEG
+  [mozJPEG.type]: mozJPEG,
 };
 
 export const encoders = Array.from(Object.values(encoderMap));
diff --git a/src/codecs/mozjpeg/EncoderWorker.ts b/src/codecs/mozjpeg/EncoderWorker.ts
index 4251f7ff..a4e384a8 100644
--- a/src/codecs/mozjpeg/EncoderWorker.ts
+++ b/src/codecs/mozjpeg/EncoderWorker.ts
@@ -54,7 +54,7 @@ export default class MozJpegEncoder {
         encode: m.cwrap('encode', '', ['number', 'number', 'number', 'number']),
         free_result: m.cwrap('free_result', '', []),
         get_result_pointer: m.cwrap('get_result_pointer', 'number', []),
-        get_result_size: m.cwrap('get_result_size', 'number', [])
+        get_result_size: m.cwrap('get_result_size', 'number', []),
       };
     })();
   }
diff --git a/src/components/app/custom-els/FileDrop/index.ts b/src/components/app/custom-els/FileDrop/index.ts
index 7719c239..758bb6fc 100644
--- a/src/components/app/custom-els/FileDrop/index.ts
+++ b/src/components/app/custom-els/FileDrop/index.ts
@@ -1,13 +1,14 @@
 import { bind } from '../../../../lib/util';
 import './styles.css';
 
+// tslint:disable-next-line:max-line-length
 function firstMatchingItem(list: DataTransferItemList, acceptVal: string): DataTransferItem | undefined {
   // Split accepts values by ',' then by '/'. Trim everything & lowercase.
-  const accepts = acceptVal.toLowerCase().split(',').map(accept => {
+  const accepts = acceptVal.toLowerCase().split(',').map((accept) => {
     return accept.trim().split('/').map(part => part.trim());
   }).filter(acceptParts => acceptParts.length === 2); // Filter invalid values
 
-  return Array.from(list).find(item => {
+  return Array.from(list).find((item) => {
     if (item.kind !== 'file') return false;
 
     // 'Parse' the type.
@@ -56,7 +57,7 @@ export class FileDrop extends HTMLElement {
 
   constructor() {
     super();
-    this.addEventListener('dragover', (event) => event.preventDefault());
+    this.addEventListener('dragover', event => event.preventDefault());
     this.addEventListener('drop', this._onDrop);
     this.addEventListener('dragenter', this._onDragEnter);
     this.addEventListener('dragend', () => this._reset());
@@ -73,7 +74,7 @@ export class FileDrop extends HTMLElement {
 
   @bind
   private _onDragEnter(event: DragEvent) {
-    this._dragEnterCount++;
+    this._dragEnterCount += 1;
     if (this._dragEnterCount > 1) return;
 
     // We don't have data, attempt to get it and if it matches, set the correct state.
@@ -87,7 +88,7 @@ export class FileDrop extends HTMLElement {
 
   @bind
   private _onDragLeave() {
-    this._dragEnterCount--;
+    this._dragEnterCount -= 1;
     if (this._dragEnterCount === 0) {
       this._reset();
     }
diff --git a/src/components/app/custom-els/FileDrop/missing-types.d.ts b/src/components/app/custom-els/FileDrop/missing-types.d.ts
index 17dbc047..116ac6f6 100644
--- a/src/components/app/custom-els/FileDrop/missing-types.d.ts
+++ b/src/components/app/custom-els/FileDrop/missing-types.d.ts
@@ -1,5 +1,4 @@
-import { FileDropEvent, FileDrop } from ".";
-
+import { FileDropEvent, FileDrop } from '.';
 
 declare global {
 
@@ -17,4 +16,4 @@ declare global {
       onfiledrop?: ((this: FileDrop, ev: FileDropEvent) => any) | null;
     }
   }
-}
\ No newline at end of file
+}
diff --git a/src/lib/util.ts b/src/lib/util.ts
index 82e029f3..a7fa3cd3 100644
--- a/src/lib/util.ts
+++ b/src/lib/util.ts
@@ -44,7 +44,7 @@ export async function bitmapToImageData(bitmap: ImageBitmap): Promise<ImageData>
 }
 
 /** Replace the contents of a canvas with the given bitmap */
-export function drawBitmapToCanvas (canvas: HTMLCanvasElement, img: ImageBitmap) {
+export function drawBitmapToCanvas(canvas: HTMLCanvasElement, img: ImageBitmap) {
   const ctx = canvas.getContext('2d');
   if (!ctx) throw Error('Canvas not initialized');
   ctx.clearRect(0, 0, canvas.width, canvas.height);