diff --git a/cspell.json b/cspell.json
index cd85816a1bd1..a179891de27e 100644
--- a/cspell.json
+++ b/cspell.json
@@ -221,8 +221,8 @@
         "neoformat",
         "neovim",
         "nicolo",
-        "nocheck",
         "nnoremap",
+        "nocheck",
         "nonenumerable",
         "Nonspacing",
         "noopener",
@@ -271,9 +271,9 @@
         "Pschera",
         "quasis",
         "Raghuvir",
+        "raquo",
         "Rasmus",
         "Rattray",
-        "raquo",
         "rattrayalex",
         "readline",
         "readlines",
@@ -283,6 +283,7 @@
         "refmt",
         "regexes",
         "Reimplement",
+        "require",
         "rhengles",
         "ribaudo",
         "Roadmap",
@@ -292,8 +293,8 @@
         "sandhose",
         "Sapegin",
         "sbdchd",
-        "sdbm",
         "scandir",
+        "sdbm",
         "Serializers",
         "setlocal",
         "setq",
diff --git a/src/cli/expand-patterns.js b/src/cli/expand-patterns.js
index d3ef49ed11e2..4bed26f00438 100644
--- a/src/cli/expand-patterns.js
+++ b/src/cli/expand-patterns.js
@@ -1,6 +1,6 @@
 import path from "node:path";
 import fastGlob from "fast-glob";
-import {statSafe} from "./utils.js"
+import { statSafe } from "./utils.js";
 
 /** @typedef {import('./context').Context} Context */
 
diff --git a/src/cli/find-cache-file.js b/src/cli/find-cache-file.js
index c8960ead4788..c139c3c4c797 100644
--- a/src/cli/find-cache-file.js
+++ b/src/cli/find-cache-file.js
@@ -1,8 +1,6 @@
-"use strict";
-
-const os = require("os");
-const path = require("path");
-const findCacheDir = require("find-cache-dir");
+import os from "node:os";
+import path from "node:path";
+import findCacheDir from "find-cache-dir";
 
 /**
  * Find default cache file (`./node_modules/.cache/prettier/.prettier-cache`) using https://github.com/avajs/find-cache-dir
@@ -16,4 +14,4 @@ function findCacheFile() {
   return cacheFilePath;
 }
 
-module.exports = findCacheFile;
+export default findCacheFile;
diff --git a/src/cli/format-results-cache.js b/src/cli/format-results-cache.js
index 3dfb79d16535..595b3ec08d78 100644
--- a/src/cli/format-results-cache.js
+++ b/src/cli/format-results-cache.js
@@ -1,13 +1,10 @@
-"use strict";
-
 // Inspired by LintResultsCache from ESLint
 // https://github.com/eslint/eslint/blob/c2d0a830754b6099a3325e6d3348c3ba983a677a/lib/cli-engine/lint-result-cache.js
 
-const fileEntryCache = require("file-entry-cache");
-const stringify = require("fast-json-stable-stringify");
-// eslint-disable-next-line no-restricted-modules
-const { version: prettierVersion } = require("../index.js");
-const { createHash } = require("./utils.js");
+import fileEntryCache from "file-entry-cache";
+import stringify from "fast-json-stable-stringify";
+import { version as prettierVersion } from "../index.js";
+import { createHash } from "./utils.js";
 
 const optionsHashCache = new WeakMap();
 const nodeVersion = process && process.version;
@@ -93,4 +90,4 @@ class FormatResultsCache {
   }
 }
 
-module.exports = FormatResultsCache;
+export default FormatResultsCache;
diff --git a/src/cli/format.js b/src/cli/format.js
index b3b440dafc86..0c45df7c6c29 100644
--- a/src/cli/format.js
+++ b/src/cli/format.js
@@ -400,15 +400,11 @@ async function formatFiles(context) {
     let output;
 
     try {
-<<<<<<< HEAD
-      result = await format(context, input, options);
-=======
       if (isCacheExists) {
         result = { formatted: input };
       } else {
-        result = format(context, input, options);
+        result = await format(context, input, options);
       }
->>>>>>> main
       output = result.formatted;
     } catch (error) {
       handleError(context, filename, error, printedFilename);
diff --git a/src/cli/utils.js b/src/cli/utils.js
index b20fa1d59477..56032f9d2469 100644
--- a/src/cli/utils.js
+++ b/src/cli/utils.js
@@ -1,12 +1,9 @@
+import { promises as fs } from "node:fs";
+import sdbm from "sdbm";
 import { __internal as sharedWithCli } from "../index.js";
 
 const { arrayify, getLast, isNonEmptyArray, partition } = sharedWithCli.utils;
 
-const { promises: fs } = require("fs");
-
-// eslint-disable-next-line no-restricted-modules
-const { default: sdbm } = require("../../vendors/sdbm.js");
-
 // eslint-disable-next-line no-console
 const printToScreen = console.log.bind(console);
 
@@ -77,5 +74,6 @@ export {
   printToScreen,
   groupBy,
   pick,
-createHash, statSafe
+  createHash,
+  statSafe,
 };
diff --git a/src/language-js/languages.evaluate.js b/src/language-js/languages.evaluate.js
index 053e0f816eb0..710e91972678 100644
--- a/src/language-js/languages.evaluate.js
+++ b/src/language-js/languages.evaluate.js
@@ -60,7 +60,7 @@ const languages = [
     codemirrorMimeType: "text/jsx",
     color: undefined,
   })),
-  createLanguage(linguistLanguages.TypeScript, (data) => ({
+  createLanguage(linguistLanguages.TypeScript, () => ({
     since: "1.4.0",
     parsers: ["typescript", "babel-ts"],
     vscodeLanguageIds: ["typescript"],
diff --git a/src/language-js/parse/postprocess/throw-syntax-error.js b/src/language-js/parse/postprocess/throw-syntax-error.js
index 0505aba379c4..f06572821dce 100644
--- a/src/language-js/parse/postprocess/throw-syntax-error.js
+++ b/src/language-js/parse/postprocess/throw-syntax-error.js
@@ -1,5 +1,4 @@
-"use strict";
-const createError = require("../../../common/parser-create-error.js");
+import createError from "../../../common/parser-create-error.js";
 
 function throwSyntaxError(node, message) {
   const { start, end } = node.loc;
@@ -9,4 +8,4 @@ function throwSyntaxError(node, message) {
   });
 }
 
-module.exports = throwSyntaxError;
+export default throwSyntaxError;
diff --git a/tests/format/angular/shorthand/jsfmt.spec.js b/tests/format/angular/shorthand/jsfmt.spec.js
index b802ad8670c5..c67dba8b412e 100644
--- a/tests/format/angular/shorthand/jsfmt.spec.js
+++ b/tests/format/angular/shorthand/jsfmt.spec.js
@@ -1 +1 @@
-run_spec(__dirname, ["angular"]);
+run_spec(import.meta, ["angular"]);
diff --git a/tests/integration/__tests__/__snapshots__/support-info.js.snap b/tests/integration/__tests__/__snapshots__/support-info.js.snap
index f527b939a5d2..94289e4fb8bf 100644
--- a/tests/integration/__tests__/__snapshots__/support-info.js.snap
+++ b/tests/integration/__tests__/__snapshots__/support-info.js.snap
@@ -375,6 +375,7 @@ exports[`CLI --support-info (stdout) 1`] = `
       "color": "#e34c26",
       "extensions": [
         ".html",
+        ".hta",
         ".htm",
         ".html.hl",
         ".inc",
@@ -406,10 +407,13 @@ exports[`CLI --support-info (stdout) 1`] = `
         ".frag",
         ".gs",
         ".jake",
+        ".javascript",
         ".jsb",
         ".jscad",
         ".jsfl",
+        ".jslib",
         ".jsm",
+        ".jspre",
         ".jss",
         ".mjs",
         ".njs",
@@ -453,10 +457,14 @@ exports[`CLI --support-info (stdout) 1`] = `
     },
     {
       "aceMode": "json",
+      "aliases": ["geojson", "jsonl", "topojson"],
       "codemirrorMimeType": "application/json",
       "codemirrorMode": "javascript",
+      "color": "#292929",
       "extensions": [
         ".json",
+        ".4DForm",
+        ".4DProject",
         ".avsc",
         ".geojson",
         ".gltf",
@@ -474,8 +482,11 @@ exports[`CLI --support-info (stdout) 1`] = `
       ],
       "filenames": [
         ".arcconfig",
+        ".auto-changelog",
+        ".c8rc",
         ".htmlhintrc",
         ".imgbotconfig",
+        ".nycrc",
         ".tern-config",
         ".tern-project",
         ".watchmanconfig",
@@ -496,8 +507,10 @@ exports[`CLI --support-info (stdout) 1`] = `
       "aliases": ["jsonc"],
       "codemirrorMimeType": "text/javascript",
       "codemirrorMode": "javascript",
+      "color": "#292929",
       "extensions": [
         ".jsonc",
+        ".code-snippets",
         ".sublime-build",
         ".sublime-commands",
         ".sublime-completions",
@@ -514,6 +527,7 @@ exports[`CLI --support-info (stdout) 1`] = `
       ],
       "filenames": [
         ".babelrc",
+        ".devcontainer.json",
         ".eslintrc.json",
         ".jscsrc",
         ".jshintrc",
@@ -538,8 +552,10 @@ exports[`CLI --support-info (stdout) 1`] = `
     },
     {
       "aceMode": "json",
+      "aliases": ["geojson", "jsonl", "topojson"],
       "codemirrorMimeType": "application/json",
       "codemirrorMode": "javascript",
+      "color": "#292929",
       "extensions": [".importmap"],
       "filenames": ["package.json", "package-lock.json", "composer.json"],
       "linguistLanguageId": 174,
@@ -554,6 +570,7 @@ exports[`CLI --support-info (stdout) 1`] = `
       "aceMode": "javascript",
       "codemirrorMimeType": "application/json",
       "codemirrorMode": "javascript",
+      "color": "#267CB9",
       "extensions": [".json5"],
       "linguistLanguageId": 175,
       "name": "JSON5",
@@ -587,6 +604,7 @@ exports[`CLI --support-info (stdout) 1`] = `
     },
     {
       "aceMode": "less",
+      "aliases": ["less-css"],
       "codemirrorMimeType": "text/css",
       "codemirrorMode": "css",
       "color": "#1d365d",
@@ -623,6 +641,7 @@ exports[`CLI --support-info (stdout) 1`] = `
       "color": "#083fa1",
       "extensions": [
         ".md",
+        ".livemd",
         ".markdown",
         ".mdown",
         ".mdwn",
@@ -662,6 +681,7 @@ exports[`CLI --support-info (stdout) 1`] = `
     },
     {
       "aceMode": "text",
+      "color": "#dc3a0c",
       "extensions": [".pcss", ".postcss"],
       "group": "CSS",
       "linguistLanguageId": 262764437,
@@ -690,6 +710,7 @@ exports[`CLI --support-info (stdout) 1`] = `
       "aceMode": "javascript",
       "codemirrorMimeType": "text/jsx",
       "codemirrorMode": "jsx",
+      "color": "#3178c6",
       "extensions": [".tsx"],
       "group": "TypeScript",
       "linguistLanguageId": 94901924,
@@ -705,8 +726,8 @@ exports[`CLI --support-info (stdout) 1`] = `
       "aliases": ["ts"],
       "codemirrorMimeType": "application/typescript",
       "codemirrorMode": "javascript",
-      "color": "#2b7489",
-      "extensions": [".ts", ".mts", ".cts"],
+      "color": "#3178c6",
+      "extensions": [".ts", ".cts", ".mts"],
       "interpreters": ["deno", "ts-node"],
       "linguistLanguageId": 378,
       "name": "TypeScript",
@@ -750,6 +771,7 @@ exports[`CLI --support-info (stdout) 1`] = `
         ".clang-format",
         ".clang-tidy",
         ".gemrc",
+        "CITATION.cff",
         "glide.lock",
         ".prettierrc",
         ".stylelintrc"
diff --git a/tests/integration/__tests__/cache.js b/tests/integration/__tests__/cache.js
index 863cd29017d9..fd563c874f9c 100644
--- a/tests/integration/__tests__/cache.js
+++ b/tests/integration/__tests__/cache.js
@@ -1,14 +1,11 @@
-"use strict";
-
-const path = require("path");
-const { promises: fs } = require("fs");
-const rimraf = require("rimraf");
-const { default: stripAnsi } = require("../../../vendors/strip-ansi.js");
-
-const runPrettier = require("../run-prettier.js");
+import path from "node:path";
+import { promises as fs } from "node:fs";
+import { fileURLToPath } from "node:url";
+import rimraf from "rimraf";
+import stripAnsi from "strip-ansi";
 
 function resolveDir(dir) {
-  return path.join(__dirname, "..", dir);
+  return fileURLToPath(new URL(`../${dir}/`, import.meta.url));
 }
 
 describe("--cache option", () => {
diff --git a/vendors/sdbm.d.ts b/vendors/sdbm.d.ts
deleted file mode 100644
index 812356628a7f..000000000000
--- a/vendors/sdbm.d.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-// This file is generated automatically.
-export {default} from "sdbm";
-export * from "sdbm";
diff --git a/vendors/sdbm.js b/vendors/sdbm.js
deleted file mode 100644
index d867062988b5..000000000000
--- a/vendors/sdbm.js
+++ /dev/null
@@ -1,35 +0,0 @@
-// @ts-nocheck
-// This file is generated automatically
-var __defProp = Object.defineProperty;
-var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
-var __getOwnPropNames = Object.getOwnPropertyNames;
-var __hasOwnProp = Object.prototype.hasOwnProperty;
-var __export = (target, all) => {
-  for (var name in all)
-    __defProp(target, name, { get: all[name], enumerable: true });
-};
-var __copyProps = (to, from, except, desc) => {
-  if (from && typeof from === "object" || typeof from === "function") {
-    for (let key of __getOwnPropNames(from))
-      if (!__hasOwnProp.call(to, key) && key !== except)
-        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
-  }
-  return to;
-};
-var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
-
-// node_modules/sdbm/index.js
-var sdbm_exports = {};
-__export(sdbm_exports, {
-  default: () => sdbm
-});
-module.exports = __toCommonJS(sdbm_exports);
-function sdbm(string) {
-  let hash = 0;
-  for (let i = 0; i < string.length; i++) {
-    hash = string.charCodeAt(i) + (hash << 6) + (hash << 16) - hash;
-  }
-  return hash >>> 0;
-}
-// Annotate the CommonJS export names for ESM import in node:
-0 && (module.exports = {});