diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
new file mode 100644
index 0000000..2bbb172
--- /dev/null
+++ b/.github/workflows/format.yml
@@ -0,0 +1,24 @@
+name: Check Formatting
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  check-format:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set Node.js 18.x
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+
+      - name: Install
+        run: yarn --frozen-lockfile
+
+      - name: Check formatting with Prettier
+        run: npx prettier --check .
diff --git a/.husky/pre-commit b/.husky/pre-commit
index 8e0da16..9458057 100755
--- a/.husky/pre-commit
+++ b/.husky/pre-commit
@@ -4,4 +4,3 @@
 npx --no-install lint-staged --allow-empty
 
 node tools/pre-commit.js
-
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..0b8ea3e
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,9 @@
+node_modules
+dist
+/yarn.lock
+/.vscode
+/.idea
+/.github
+/.husky
+/.yarn
+/.env
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..5b50b39
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,5 @@
+{
+  "singleQuote": true,
+  "endOfLine": "lf",
+  "tabWidth": 2
+}
diff --git a/README.md b/README.md
index 8ef4964..a86b4cf 100644
--- a/README.md
+++ b/README.md
@@ -76,37 +76,37 @@ jobs:
     # Common names for this branch include main and master.
     #
     # Default: main
-    main-branch-name: ""
+    main-branch-name: ''
 
     # Applies the derived SHAs for base and head as NX_BASE and NX_HEAD environment variables within the current Job.
     #
     # Default: true
-    set-environment-variables-for-job: ""
+    set-environment-variables-for-job: ''
 
     # By default, if no successful workflow run is found on the main branch to determine the SHA, we will log a warning and use HEAD~1. Enable this option to error and exit instead.
     #
     # Default: false
-    error-on-no-successful-workflow: ""
+    error-on-no-successful-workflow: ''
 
     # Fallback SHA to use if no successful workflow run is found. This can be useful in scenarios where you need a specific commit as a reference for comparison, especially in newly set up repositories or those with sparse workflow runs.
     #
     # Default: ""
-    fallback-sha: ""
+    fallback-sha: ''
 
     # The type of event to check for the last successful commit corresponding to that workflow-id, e.g. push, pull_request, release etc.
     #
     # Default: push
-    last-successful-event: ""
+    last-successful-event: ''
 
     # The path where your repository is. This is only required for cases where the repository code is checked out or moved to a specific path.
     #
     # Default: .
-    working-directory: ""
+    working-directory: ''
 
     # The ID of the github action workflow to check for successful run or the name of the file name containing the workflow.
     # E.g. 'ci.yml'. If not provided, current workflow id will be used
     #
-    workflow-id: ""
+    workflow-id: ''
 ```
 
 <!-- end configuration-options -->
@@ -123,8 +123,8 @@ jobs:
     runs-on: ubuntu-latest
     name: My Job
     permissions:
-      contents: "read"
-      actions: "read"
+      contents: 'read'
+      actions: 'read'
 ```
 
 <!-- end permissions-in-v2 -->
diff --git a/action.yml b/action.yml
index 1bfdd97..2d10fc5 100644
--- a/action.yml
+++ b/action.yml
@@ -1,28 +1,28 @@
-name: "Nx set SHAs"
-description: "Derives SHAs for base and head for use in nx affected commands, optionally setting them as env variables for the current job"
+name: 'Nx set SHAs'
+description: 'Derives SHAs for base and head for use in nx affected commands, optionally setting them as env variables for the current job'
 
 inputs:
   main-branch-name:
-    description: "The name of the main branch in your repo, used as the target of PRs. E.g. main, master etc"
-    default: "main"
+    description: 'The name of the main branch in your repo, used as the target of PRs. E.g. main, master etc'
+    default: 'main'
   set-environment-variables-for-job:
-    description: "Applies the derived SHAs for base and head as NX_BASE and NX_HEAD environment variables within the current Job"
-    default: "true"
+    description: 'Applies the derived SHAs for base and head as NX_BASE and NX_HEAD environment variables within the current Job'
+    default: 'true'
   error-on-no-successful-workflow:
-    description: "By default, if no successful workflow is found on the main branch to determine the SHA, we will log a warning and use HEAD~1. Enable this option to error and exit instead."
-    default: "false"
+    description: 'By default, if no successful workflow is found on the main branch to determine the SHA, we will log a warning and use HEAD~1. Enable this option to error and exit instead.'
+    default: 'false'
   fallback-sha:
-    description: "Fallback SHA to use if no successful workflow run is found."
+    description: 'Fallback SHA to use if no successful workflow run is found.'
     required: false
-    default: ""
+    default: ''
   last-successful-event:
-    description: "The type of event to check for the last successful commit corresponding to that workflow-id, e.g. push, pull_request, release etc"
-    default: "push"
+    description: 'The type of event to check for the last successful commit corresponding to that workflow-id, e.g. push, pull_request, release etc'
+    default: 'push'
   working-directory:
-    description: "The directory where your repository is located"
-    default: "."
+    description: 'The directory where your repository is located'
+    default: '.'
   workflow-id:
-    description: "The ID of the workflow to track or name of the file name. E.g. ci.yml. Defaults to current workflow"
+    description: 'The ID of the workflow to track or name of the file name. E.g. ci.yml. Defaults to current workflow'
 
 outputs:
   base:
@@ -36,7 +36,7 @@ outputs:
     value: ${{ steps.setSHAs.outputs.noPreviousBuild }}
 
 runs:
-  using: "composite"
+  using: 'composite'
   steps:
     - name: Set base and head SHAs used for nx affected
       id: setSHAs
@@ -68,5 +68,5 @@ runs:
         echo "NX_HEAD=${{ steps.setSHAs.outputs.head }}" >> $GITHUB_ENV
         echo "NX_BASE and NX_HEAD environment variables have been set for the current Job"
 branding:
-  icon: "terminal"
-  color: "blue"
+  icon: 'terminal'
+  color: 'blue'
diff --git a/dist/index.js b/dist/index.js
index 7d60c65..01d3178 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -37868,7 +37868,7 @@ const lastSuccessfulEvent = process.argv[5];
 const workingDirectory = process.argv[6];
 const workflowId = process.argv[7];
 const fallbackSHA = process.argv[8];
-const defaultWorkingDirectory = ".";
+const defaultWorkingDirectory = '.';
 const ProxifiedClient = action_1.Octokit.plugin(proxyPlugin);
 let BASE_SHA;
 (() => __awaiter(void 0, void 0, void 0, function* () {
@@ -37877,20 +37877,20 @@ let BASE_SHA;
             process.chdir(workingDirectory);
         }
         else {
-            process.stdout.write("\n");
+            process.stdout.write('\n');
             process.stdout.write(`WARNING: Working directory '${workingDirectory}' doesn't exist.\n`);
         }
     }
-    const headResult = (0, child_process_1.spawnSync)("git", ["rev-parse", "HEAD"], {
-        encoding: "utf-8",
+    const headResult = (0, child_process_1.spawnSync)('git', ['rev-parse', 'HEAD'], {
+        encoding: 'utf-8',
     });
     const HEAD_SHA = headResult.stdout;
-    if ((["pull_request", "pull_request_target"].includes(eventName) &&
+    if ((['pull_request', 'pull_request_target'].includes(eventName) &&
         !github.context.payload.pull_request.merged) ||
-        eventName == "merge_group") {
+        eventName == 'merge_group') {
         try {
             const mergeBaseRef = yield findMergeBaseRef();
-            const baseResult = (0, child_process_1.spawnSync)("git", ["merge-base", `origin/${mainBranchName}`, mergeBaseRef], { encoding: "utf-8" });
+            const baseResult = (0, child_process_1.spawnSync)('git', ['merge-base', `origin/${mainBranchName}`, mergeBaseRef], { encoding: 'utf-8' });
             BASE_SHA = baseResult.stdout;
         }
         catch (e) {
@@ -37907,12 +37907,12 @@ let BASE_SHA;
             return;
         }
         if (!BASE_SHA) {
-            if (errorOnNoSuccessfulWorkflow === "true") {
+            if (errorOnNoSuccessfulWorkflow === 'true') {
                 reportFailure(mainBranchName);
                 return;
             }
             else {
-                process.stdout.write("\n");
+                process.stdout.write('\n');
                 process.stdout.write(`WARNING: Unable to find a successful workflow run on 'origin/${mainBranchName}', or the latest successful workflow was connected to a commit which no longer exists on that branch (e.g. if that branch was rebased)\n`);
                 if (fallbackSHA) {
                     BASE_SHA = fallbackSHA;
@@ -37920,28 +37920,28 @@ let BASE_SHA;
                 }
                 else {
                     process.stdout.write(`We are therefore defaulting to use HEAD~1 on 'origin/${mainBranchName}'\n`);
-                    process.stdout.write("\n");
+                    process.stdout.write('\n');
                     process.stdout.write(`NOTE: You can instead make this a hard error by setting 'error-on-no-successful-workflow' on the action in your workflow.\n`);
-                    process.stdout.write("\n");
-                    const commitCountOutput = (0, child_process_1.spawnSync)("git", ["rev-list", "--count", `origin/${mainBranchName}`], { encoding: "utf-8" }).stdout;
+                    process.stdout.write('\n');
+                    const commitCountOutput = (0, child_process_1.spawnSync)('git', ['rev-list', '--count', `origin/${mainBranchName}`], { encoding: 'utf-8' }).stdout;
                     const commitCount = parseInt(stripNewLineEndings(commitCountOutput), 10);
-                    const LAST_COMMIT_CMD = `origin/${mainBranchName}${commitCount > 1 ? "~1" : ""}`;
-                    const baseRes = (0, child_process_1.spawnSync)("git", ["rev-parse", LAST_COMMIT_CMD], {
-                        encoding: "utf-8",
+                    const LAST_COMMIT_CMD = `origin/${mainBranchName}${commitCount > 1 ? '~1' : ''}`;
+                    const baseRes = (0, child_process_1.spawnSync)('git', ['rev-parse', LAST_COMMIT_CMD], {
+                        encoding: 'utf-8',
                     });
                     BASE_SHA = baseRes.stdout;
                 }
-                core.setOutput("noPreviousBuild", "true");
+                core.setOutput('noPreviousBuild', 'true');
             }
         }
         else {
-            process.stdout.write("\n");
+            process.stdout.write('\n');
             process.stdout.write(`Found the last successful workflow run on 'origin/${mainBranchName}'\n`);
             process.stdout.write(`Commit: ${BASE_SHA}\n`);
         }
     }
-    core.setOutput("base", stripNewLineEndings(BASE_SHA));
-    core.setOutput("head", stripNewLineEndings(HEAD_SHA));
+    core.setOutput('base', stripNewLineEndings(BASE_SHA));
+    core.setOutput('head', stripNewLineEndings(HEAD_SHA));
 }))();
 function reportFailure(branchName) {
     core.setFailed(`
@@ -37953,7 +37953,7 @@ function reportFailure(branchName) {
     - If no, then you might have changed your git history and those commits no longer exist.`);
 }
 function proxyPlugin(octokit) {
-    octokit.hook.before("request", (options) => {
+    octokit.hook.before('request', (options) => {
         const proxy = (0, proxy_from_env_1.getProxyForUrl)(options.baseUrl);
         if (proxy) {
             options.request.agent = new https_proxy_agent_1.HttpsProxyAgent(proxy);
@@ -37975,7 +37975,7 @@ function findSuccessfulCommit(workflow_id, run_id, owner, repo, branch, lastSucc
                 run_id,
             })
                 .then(({ data: { workflow_id } }) => workflow_id);
-            process.stdout.write("\n");
+            process.stdout.write('\n');
             process.stdout.write(`Workflow Id not provided. Using workflow '${workflow_id}'\n`);
         }
         // fetch all workflow runs on a given repo/branch/workflow with push and success
@@ -37984,13 +37984,13 @@ function findSuccessfulCommit(workflow_id, run_id, owner, repo, branch, lastSucc
             owner,
             repo,
             // on some workflow runs we do not have branch property
-            branch: lastSuccessfulEvent === "push" ||
-                lastSuccessfulEvent === "workflow_dispatch"
+            branch: lastSuccessfulEvent === 'push' ||
+                lastSuccessfulEvent === 'workflow_dispatch'
                 ? branch
                 : undefined,
             workflow_id,
             event: lastSuccessfulEvent,
-            status: "success",
+            status: 'success',
         })
             .then(({ data: { workflow_runs } }) => workflow_runs.map((run) => run.head_sha));
         return yield findExistingCommit(octokit, branch, shas);
@@ -37998,12 +37998,12 @@ function findSuccessfulCommit(workflow_id, run_id, owner, repo, branch, lastSucc
 }
 function findMergeBaseRef() {
     return __awaiter(this, void 0, void 0, function* () {
-        if (eventName == "merge_group") {
+        if (eventName == 'merge_group') {
             const mergeQueueBranch = yield findMergeQueueBranch();
             return `origin/${mergeQueueBranch}`;
         }
         else {
-            return "HEAD";
+            return 'HEAD';
         }
     });
 }
@@ -38016,9 +38016,9 @@ function findMergeQueueBranch() {
     return __awaiter(this, void 0, void 0, function* () {
         const pull_number = findMergeQueuePr();
         if (!pull_number) {
-            throw new Error("Failed to determine PR number");
+            throw new Error('Failed to determine PR number');
         }
-        process.stdout.write("\n");
+        process.stdout.write('\n');
         process.stdout.write(`Found PR #${pull_number} from merge queue branch\n`);
         const octokit = new ProxifiedClient();
         const result = yield octokit.request(`GET /repos/${owner}/${repo}/pulls/${pull_number}`, { owner, repo, pull_number: +pull_number });
@@ -38044,17 +38044,17 @@ function findExistingCommit(octokit, branchName, shas) {
 function commitExists(octokit, branchName, commitSha) {
     return __awaiter(this, void 0, void 0, function* () {
         try {
-            (0, child_process_1.spawnSync)("git", ["cat-file", "-e", commitSha], {
-                stdio: ["pipe", "pipe", null],
+            (0, child_process_1.spawnSync)('git', ['cat-file', '-e', commitSha], {
+                stdio: ['pipe', 'pipe', null],
             });
             // Check the commit exists in general
-            yield octokit.request("GET /repos/{owner}/{repo}/commits/{commit_sha}", {
+            yield octokit.request('GET /repos/{owner}/{repo}/commits/{commit_sha}', {
                 owner,
                 repo,
                 commit_sha: commitSha,
             });
             // Check the commit exists on the expected main branch (it will not in the case of a rebased main branch)
-            const commits = yield octokit.request("GET /repos/{owner}/{repo}/commits", {
+            const commits = yield octokit.request('GET /repos/{owner}/{repo}/commits', {
                 owner,
                 repo,
                 sha: branchName,
@@ -38071,7 +38071,7 @@ function commitExists(octokit, branchName, commitSha) {
  * Strips LF line endings from given string
  */
 function stripNewLineEndings(string) {
-    return string.replace("\n", "");
+    return string.replace('\n', '');
 }
 
 
diff --git a/find-successful-workflow.ts b/find-successful-workflow.ts
index 0504758..c2c1324 100644
--- a/find-successful-workflow.ts
+++ b/find-successful-workflow.ts
@@ -1,10 +1,10 @@
-import * as core from "@actions/core";
-import * as github from "@actions/github";
-import { Octokit } from "@octokit/action";
-import { spawnSync } from "child_process";
-import { existsSync } from "fs";
-import { HttpsProxyAgent } from "https-proxy-agent";
-import { getProxyForUrl } from "proxy-from-env";
+import * as core from '@actions/core';
+import * as github from '@actions/github';
+import { Octokit } from '@octokit/action';
+import { spawnSync } from 'child_process';
+import { existsSync } from 'fs';
+import { HttpsProxyAgent } from 'https-proxy-agent';
+import { getProxyForUrl } from 'proxy-from-env';
 
 const {
   runId,
@@ -18,7 +18,7 @@ const lastSuccessfulEvent = process.argv[5];
 const workingDirectory = process.argv[6];
 const workflowId = process.argv[7];
 const fallbackSHA = process.argv[8];
-const defaultWorkingDirectory = ".";
+const defaultWorkingDirectory = '.';
 
 const ProxifiedClient = Octokit.plugin(proxyPlugin);
 
@@ -28,29 +28,29 @@ let BASE_SHA: string;
     if (existsSync(workingDirectory)) {
       process.chdir(workingDirectory);
     } else {
-      process.stdout.write("\n");
+      process.stdout.write('\n');
       process.stdout.write(
         `WARNING: Working directory '${workingDirectory}' doesn't exist.\n`,
       );
     }
   }
 
-  const headResult = spawnSync("git", ["rev-parse", "HEAD"], {
-    encoding: "utf-8",
+  const headResult = spawnSync('git', ['rev-parse', 'HEAD'], {
+    encoding: 'utf-8',
   });
   const HEAD_SHA = headResult.stdout;
 
   if (
-    (["pull_request", "pull_request_target"].includes(eventName) &&
+    (['pull_request', 'pull_request_target'].includes(eventName) &&
       !github.context.payload.pull_request.merged) ||
-    eventName == "merge_group"
+    eventName == 'merge_group'
   ) {
     try {
       const mergeBaseRef = await findMergeBaseRef();
       const baseResult = spawnSync(
-        "git",
-        ["merge-base", `origin/${mainBranchName}`, mergeBaseRef],
-        { encoding: "utf-8" },
+        'git',
+        ['merge-base', `origin/${mainBranchName}`, mergeBaseRef],
+        { encoding: 'utf-8' },
       );
       BASE_SHA = baseResult.stdout;
     } catch (e) {
@@ -73,11 +73,11 @@ let BASE_SHA: string;
     }
 
     if (!BASE_SHA) {
-      if (errorOnNoSuccessfulWorkflow === "true") {
+      if (errorOnNoSuccessfulWorkflow === 'true') {
         reportFailure(mainBranchName);
         return;
       } else {
-        process.stdout.write("\n");
+        process.stdout.write('\n');
         process.stdout.write(
           `WARNING: Unable to find a successful workflow run on 'origin/${mainBranchName}', or the latest successful workflow was connected to a commit which no longer exists on that branch (e.g. if that branch was rebased)\n`,
         );
@@ -88,16 +88,16 @@ let BASE_SHA: string;
           process.stdout.write(
             `We are therefore defaulting to use HEAD~1 on 'origin/${mainBranchName}'\n`,
           );
-          process.stdout.write("\n");
+          process.stdout.write('\n');
           process.stdout.write(
             `NOTE: You can instead make this a hard error by setting 'error-on-no-successful-workflow' on the action in your workflow.\n`,
           );
-          process.stdout.write("\n");
+          process.stdout.write('\n');
 
           const commitCountOutput = spawnSync(
-            "git",
-            ["rev-list", "--count", `origin/${mainBranchName}`],
-            { encoding: "utf-8" },
+            'git',
+            ['rev-list', '--count', `origin/${mainBranchName}`],
+            { encoding: 'utf-8' },
           ).stdout;
           const commitCount = parseInt(
             stripNewLineEndings(commitCountOutput),
@@ -105,25 +105,25 @@ let BASE_SHA: string;
           );
 
           const LAST_COMMIT_CMD = `origin/${mainBranchName}${
-            commitCount > 1 ? "~1" : ""
+            commitCount > 1 ? '~1' : ''
           }`;
-          const baseRes = spawnSync("git", ["rev-parse", LAST_COMMIT_CMD], {
-            encoding: "utf-8",
+          const baseRes = spawnSync('git', ['rev-parse', LAST_COMMIT_CMD], {
+            encoding: 'utf-8',
           });
           BASE_SHA = baseRes.stdout;
         }
-        core.setOutput("noPreviousBuild", "true");
+        core.setOutput('noPreviousBuild', 'true');
       }
     } else {
-      process.stdout.write("\n");
+      process.stdout.write('\n');
       process.stdout.write(
         `Found the last successful workflow run on 'origin/${mainBranchName}'\n`,
       );
       process.stdout.write(`Commit: ${BASE_SHA}\n`);
     }
   }
-  core.setOutput("base", stripNewLineEndings(BASE_SHA));
-  core.setOutput("head", stripNewLineEndings(HEAD_SHA));
+  core.setOutput('base', stripNewLineEndings(BASE_SHA));
+  core.setOutput('head', stripNewLineEndings(HEAD_SHA));
 })();
 
 function reportFailure(branchName: string): void {
@@ -137,7 +137,7 @@ function reportFailure(branchName: string): void {
 }
 
 function proxyPlugin(octokit: Octokit): void {
-  octokit.hook.before("request", (options) => {
+  octokit.hook.before('request', (options) => {
     const proxy: URL = getProxyForUrl(options.baseUrl);
     if (proxy) {
       options.request.agent = new HttpsProxyAgent(proxy);
@@ -166,7 +166,7 @@ async function findSuccessfulCommit(
         run_id,
       })
       .then(({ data: { workflow_id } }) => workflow_id);
-    process.stdout.write("\n");
+    process.stdout.write('\n');
     process.stdout.write(
       `Workflow Id not provided. Using workflow '${workflow_id}'\n`,
     );
@@ -180,13 +180,13 @@ async function findSuccessfulCommit(
         repo,
         // on some workflow runs we do not have branch property
         branch:
-          lastSuccessfulEvent === "push" ||
-          lastSuccessfulEvent === "workflow_dispatch"
+          lastSuccessfulEvent === 'push' ||
+          lastSuccessfulEvent === 'workflow_dispatch'
             ? branch
             : undefined,
         workflow_id,
         event: lastSuccessfulEvent,
-        status: "success",
+        status: 'success',
       },
     )
     .then(({ data: { workflow_runs } }) =>
@@ -197,11 +197,11 @@ async function findSuccessfulCommit(
 }
 
 async function findMergeBaseRef(): Promise<string> {
-  if (eventName == "merge_group") {
+  if (eventName == 'merge_group') {
     const mergeQueueBranch = await findMergeQueueBranch();
     return `origin/${mergeQueueBranch}`;
   } else {
-    return "HEAD";
+    return 'HEAD';
   }
 }
 
@@ -216,9 +216,9 @@ function findMergeQueuePr(): string {
 async function findMergeQueueBranch(): Promise<string> {
   const pull_number = findMergeQueuePr();
   if (!pull_number) {
-    throw new Error("Failed to determine PR number");
+    throw new Error('Failed to determine PR number');
   }
-  process.stdout.write("\n");
+  process.stdout.write('\n');
   process.stdout.write(`Found PR #${pull_number} from merge queue branch\n`);
   const octokit = new ProxifiedClient();
   const result = await octokit.request(
@@ -253,19 +253,19 @@ async function commitExists(
   commitSha: string,
 ): Promise<boolean> {
   try {
-    spawnSync("git", ["cat-file", "-e", commitSha], {
-      stdio: ["pipe", "pipe", null],
+    spawnSync('git', ['cat-file', '-e', commitSha], {
+      stdio: ['pipe', 'pipe', null],
     });
 
     // Check the commit exists in general
-    await octokit.request("GET /repos/{owner}/{repo}/commits/{commit_sha}", {
+    await octokit.request('GET /repos/{owner}/{repo}/commits/{commit_sha}', {
       owner,
       repo,
       commit_sha: commitSha,
     });
 
     // Check the commit exists on the expected main branch (it will not in the case of a rebased main branch)
-    const commits = await octokit.request("GET /repos/{owner}/{repo}/commits", {
+    const commits = await octokit.request('GET /repos/{owner}/{repo}/commits', {
       owner,
       repo,
       sha: branchName,
@@ -284,5 +284,5 @@ async function commitExists(
  * Strips LF line endings from given string
  */
 function stripNewLineEndings(string: string): string {
-  return string.replace("\n", "");
+  return string.replace('\n', '');
 }
diff --git a/package.json b/package.json
index bb7f2fc..7412322 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,9 @@
   "description": "This package.json is here purely to control the version of the Action, in combination with https://github.com/JamesHenry/publish-shell-action",
   "scripts": {
     "build": "ncc build find-successful-workflow.ts --license licenses.txt",
-    "prepare": "is-ci || husky install"
+    "prepare": "is-ci || husky install",
+    "format:check": "prettier --check .",
+    "format": "prettier --write ."
   },
   "bugs": {
     "url": "https://github.com/nrwl/nx-set-shas/issues"
diff --git a/tools/pre-commit.js b/tools/pre-commit.js
index bef6740..d916152 100644
--- a/tools/pre-commit.js
+++ b/tools/pre-commit.js
@@ -12,27 +12,23 @@ function printErrorAndExit(error) {
 console.log(`\n${chalk.bgGreen.bold(' Validating commit ')}\n`);
 console.log(` > Checking the build`);
 try {
-  execSync(`npm run build`,
-    {
-      stdio: ['pipe', 'pipe', 'pipe'],
-      env: {
-        ...process.env,
-        FORCE_COLOR: 'true',
-      },
-    }
-  );
+  execSync(`npm run build`, {
+    stdio: ['pipe', 'pipe', 'pipe'],
+    env: {
+      ...process.env,
+      FORCE_COLOR: 'true',
+    },
+  });
   console.log(` ✔ Build successful`);
-  const result = execSync(`git diff --name-only`,
-    {
-      stdio: ['pipe', 'pipe', 'pipe'],
-      encoding: 'utf-8',
-      env: {
-        ...process.env,
-        FORCE_COLOR: 'true',
-      },
-    }
-  );
-  const changedFiles = result.split('\n').filter(f => f.startsWith('dist/'));
+  const result = execSync(`git diff --name-only`, {
+    stdio: ['pipe', 'pipe', 'pipe'],
+    encoding: 'utf-8',
+    env: {
+      ...process.env,
+      FORCE_COLOR: 'true',
+    },
+  });
+  const changedFiles = result.split('\n').filter((f) => f.startsWith('dist/'));
   if (changedFiles.length > 0) {
     console.log(` > Adding modified build files`);
     changedFiles.forEach((f) => {
@@ -40,12 +36,22 @@ try {
         stdio: ['pipe', 'pipe', 'pipe'],
       });
     });
-    console.log(` ✔ Commit expanded with ${changedFiles.length} changed file(s)`);
+    console.log(
+      ` ✔ Commit expanded with ${changedFiles.length} changed file(s)`,
+    );
   }
 
+  execSync(`npm run format`, {
+    stdio: ['pipe', 'pipe', 'pipe'],
+    env: {
+      ...process.env,
+      FORCE_COLOR: 'true',
+    },
+  });
+  console.log(` ✔ Formatted files`);
+
   console.log(`\n${chalk.bold(' Commit successful ')}\n`);
   process.exit(0);
-
 } catch (error) {
   printErrorAndExit(error);
 }
diff --git a/tsconfig.json b/tsconfig.json
index 5282f64..ade24d7 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,6 +3,6 @@
     "target": "es2015",
     "module": "commonjs",
     "moduleResolution": "node",
-    "types": ["node"],
+    "types": ["node"]
   }
-}
\ No newline at end of file
+}