diff --git a/.travis.yml b/.travis.yml
index ba5ccb6ac..1ada50d11 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,6 @@ language: node_js
 node_js:
   - "8"
   - "10"
-  - "11"
   - "12"
 sudo: required
 install:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a833638a9..4e03bf2f6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v5.4.4
+
+* [refactor: add common appendTsTsxSuffixesIfRequired function to instance](https://github.com/TypeStrong/ts-loader/pull/924) - thanks @johnnyreilly!
+
 ## v5.4.3
 
 * [feat: resolveTypeReferenceDirective support for yarn PnP](https://github.com/TypeStrong/ts-loader/pull/921) - thanks @johnnyreilly!
diff --git a/package.json b/package.json
index 178d3919f..b2116d1c3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ts-loader",
-  "version": "5.4.3",
+  "version": "5.4.4",
   "description": "TypeScript loader for webpack",
   "main": "index.js",
   "types": "dist/types/index.d.ts",
diff --git a/src/instances.ts b/src/instances.ts
index bb9ac05b9..fd1f53d8f 100644
--- a/src/instances.ts
+++ b/src/instances.ts
@@ -19,6 +19,7 @@ import {
 import * as logger from './logger';
 import { makeServicesHost, makeWatchHost } from './servicesHost';
 import {
+  appendSuffixesIfMatch,
   ensureProgram,
   formatErrors,
   isUsingProjectReferences,
@@ -125,6 +126,19 @@ function successfulTypeScriptInstance(
   const files: TSFiles = new Map<string, TSFile>();
   const otherFiles: TSFiles = new Map<string, TSFile>();
 
+  const appendTsTsxSuffixesIfRequired =
+    loaderOptions.appendTsSuffixTo.length > 0 ||
+    loaderOptions.appendTsxSuffixTo.length > 0
+      ? (filePath: string) =>
+          appendSuffixesIfMatch(
+            {
+              '.ts': loaderOptions.appendTsSuffixTo,
+              '.tsx': loaderOptions.appendTsxSuffixTo
+            },
+            filePath
+          )
+      : (filePath: string) => filePath;
+
   // same strategy as https://github.com/s-panferov/awesome-typescript-loader/pull/531/files
   let { getCustomTransformers: customerTransformers } = loaderOptions;
   let getCustomTransformers = Function.prototype;
@@ -182,6 +196,7 @@ function successfulTypeScriptInstance(
     instances[loaderOptions.instance] = {
       compiler,
       compilerOptions,
+      appendTsTsxSuffixesIfRequired,
       loaderOptions,
       files,
       otherFiles,
@@ -230,6 +245,7 @@ function successfulTypeScriptInstance(
   const instance: TSInstance = (instances[loaderOptions.instance] = {
     compiler,
     compilerOptions,
+    appendTsTsxSuffixesIfRequired,
     loaderOptions,
     files,
     otherFiles,
@@ -257,8 +273,6 @@ function successfulTypeScriptInstance(
       log,
       loader,
       instance,
-      loaderOptions.appendTsSuffixTo,
-      loaderOptions.appendTsxSuffixTo,
       configParseResult.projectReferences
     );
     instance.watchOfFilesAndCompilerOptions = compiler.createWatchProgram(
@@ -288,7 +302,9 @@ function successfulTypeScriptInstance(
       loader._compiler.hooks.watchRun.tap('ts-loader', servicesHost.clearCache);
     }
 
-    instance.transformers = getCustomTransformers(instance.languageService!.getProgram());
+    instance.transformers = getCustomTransformers(
+      instance.languageService!.getProgram()
+    );
   }
 
   loader._compiler.hooks.afterCompile.tapAsync(
diff --git a/src/interfaces.ts b/src/interfaces.ts
index 01a12f0c0..d3bd4d4fb 100644
--- a/src/interfaces.ts
+++ b/src/interfaces.ts
@@ -240,6 +240,8 @@ export interface WatchHost
 export interface TSInstance {
   compiler: typeof typescript;
   compilerOptions: typescript.CompilerOptions;
+  /** Used for Vue for the most part */
+  appendTsTsxSuffixesIfRequired: (filePath: string) => string;
   loaderOptions: LoaderOptions;
   /**
    * a cache of all the files
diff --git a/src/servicesHost.ts b/src/servicesHost.ts
index 7cf9da25d..7839a6bdc 100644
--- a/src/servicesHost.ts
+++ b/src/servicesHost.ts
@@ -14,7 +14,7 @@ import {
 } from './interfaces';
 import * as logger from './logger';
 import { makeResolver } from './resolver';
-import { appendSuffixesIfMatch, readFile, unorderedRemoveItem } from './utils';
+import { readFile, unorderedRemoveItem } from './utils';
 
 export type Action = () => void;
 
@@ -37,10 +37,9 @@ export function makeServicesHost(
   const {
     compiler,
     compilerOptions,
+    appendTsTsxSuffixesIfRequired,
     files,
     loaderOptions: {
-      appendTsSuffixTo,
-      appendTsxSuffixTo,
       resolveModuleName: customResolveModuleName,
       resolveTypeReferenceDirective: customResolveTypeReferenceDirective
     }
@@ -85,8 +84,7 @@ export function makeServicesHost(
     customResolveTypeReferenceDirective,
     customResolveModuleName,
     resolveSync,
-    appendTsSuffixTo,
-    appendTsxSuffixTo,
+    appendTsTsxSuffixesIfRequired,
     scriptRegex,
     instance
   );
@@ -171,8 +169,7 @@ function makeResolvers(
   customResolveTypeReferenceDirective: CustomResolveTypeReferenceDirective,
   customResolveModuleName: CustomResolveModuleName,
   resolveSync: ResolveSync,
-  appendTsSuffixTo: RegExp[],
-  appendTsxSuffixTo: RegExp[],
+  appendTsTsxSuffixesIfRequired: (filePath: string) => string,
   scriptRegex: RegExp,
   instance: TSInstance
 ) {
@@ -211,8 +208,7 @@ function makeResolvers(
       resolveModule(
         resolveSync,
         resolveModuleName,
-        appendTsSuffixTo,
-        appendTsxSuffixTo,
+        appendTsTsxSuffixesIfRequired,
         scriptRegex,
         moduleName,
         containingFile
@@ -238,13 +234,12 @@ export function makeWatchHost(
   log: logger.Logger,
   loader: Webpack,
   instance: TSInstance,
-  appendTsSuffixTo: RegExp[],
-  appendTsxSuffixTo: RegExp[],
   projectReferences?: ReadonlyArray<typescript.ProjectReference>
 ) {
   const {
     compiler,
     compilerOptions,
+    appendTsTsxSuffixesIfRequired,
     files,
     otherFiles,
     loaderOptions: {
@@ -294,8 +289,7 @@ export function makeWatchHost(
     customResolveTypeReferenceDirective,
     customResolveModuleName,
     resolveSync,
-    appendTsSuffixTo,
-    appendTsxSuffixTo,
+    appendTsTsxSuffixesIfRequired,
     scriptRegex,
     instance
   );
@@ -550,8 +544,7 @@ function isJsImplementationOfTypings(
 function resolveModule(
   resolveSync: ResolveSync,
   resolveModuleName: ResolveModuleName,
-  appendTsSuffixTo: RegExp[],
-  appendTsxSuffixTo: RegExp[],
+  appendTsTsxSuffixesIfRequired: (filePath: string) => string,
   scriptRegex: RegExp,
   moduleName: string,
   containingFile: string
@@ -565,16 +558,7 @@ function resolveModule(
       moduleName
     );
 
-    const resolvedFileName =
-      appendTsSuffixTo.length > 0 || appendTsxSuffixTo.length > 0
-        ? appendSuffixesIfMatch(
-            {
-              '.ts': appendTsSuffixTo,
-              '.tsx': appendTsxSuffixTo
-            },
-            originalFileName
-          )
-        : originalFileName;
+    const resolvedFileName = appendTsTsxSuffixesIfRequired(originalFileName);
 
     if (resolvedFileName.match(scriptRegex) !== null) {
       resolutionResult = { resolvedFileName, originalFileName };