chore: fix linting errors

eslint.config.js

@@ -1,6 +1,5 @@
 import path from 'node:path';
 import { fileURLToPath } from 'node:url';
-import { builtinModules } from 'node:module';
 
 import tseslint from 'typescript-eslint';
 
@@ -28,7 +27,7 @@ export default [
 		languageOptions: {
 			parser: typescriptParser,
 			parserOptions: {
-				project: ['./tsconfig.json'],
+				project: ['./tsconfig.eslint.json'],
 				tsconfigRootDir: __dirname,
 			},
 		},

src/options.ts

@@ -6,7 +6,7 @@ interface PluginOptions {
 }
 
 declare module 'prettier' {
-	// eslint-disable-next-line @typescript-eslint/no-empty-interface
+	// eslint-disable-next-line @typescript-eslint/no-empty-object-type
 	interface RequiredOptions extends PluginOptions {}
 }
 

src/printer/index.ts

@@ -94,8 +94,8 @@ export function print(path: AstPath, opts: ParserOptions, print: printFn): Doc {
 
 			if (isEmptyTextNode(node)) {
 				const hasWhiteSpace = rawText.trim().length < getUnencodedText(node).length;
-				const hasOneOrMoreNewlines = /\n/.test(getUnencodedText(node));
-				const hasTwoOrMoreNewlines = /\n\r?\s*\n\r?/.test(getUnencodedText(node));
+				const hasOneOrMoreNewlines = getUnencodedText(node).includes('\n');
+				const hasTwoOrMoreNewlines = /\n\s*\n\r?/.test(getUnencodedText(node));
 				if (hasTwoOrMoreNewlines) {
 					return [hardline, hardline];
 				}

src/printer/utils.ts

@@ -194,7 +194,7 @@ export function trimTextNodeRight(node: TextNode): void {
 export function printClassNames(value: string) {
 	const lines = value.trim().split(/[\r\n]+/);
 	const formattedLines = lines.map((line) => {
-		const spaces = line.match(/^\s+/);
+		const spaces = /^\s+/.exec(line);
 		return (spaces ? spaces[0] : '') + line.trim().split(/\s+/).join(' ');
 	});
 	return formattedLines.join('\n');
@@ -216,11 +216,11 @@ export function manualDedent(input: string): {
 	for (const line of result.split('\n')) {
 		if (!line) continue;
 		// if any line begins with a non-whitespace char, minTabSize is 0
-		if (line[0] && /^[^\s]/.test(line[0])) {
+		if (line[0] && /^\S/.test(line[0])) {
 			minTabSize = 0;
 			break;
 		}
-		const match = line.match(/^(\s+)\S+/); // \S ensures we don’t count lines of pure whitespace
+		const match = /^(\s+)\S+/.exec(line); // \S ensures we don’t count lines of pure whitespace
 		if (match) {
 			if (match[1] && !char) char = match[1][0];
 			if (match[1].length < minTabSize) minTabSize = match[1].length;
@@ -315,8 +315,8 @@ export function getPreferredQuote(rawContent: string, preferredQuote: string): Q
 	// the string, we might want to enclose with the alternate quote instead, to
 	// minimize the number of escaped quotes.
 	if (rawContent.includes(preferred.quote) || rawContent.includes(alternate.quote)) {
-		const numPreferredQuotes = (rawContent.match(preferred.regex) || []).length;
-		const numAlternateQuotes = (rawContent.match(alternate.regex) || []).length;
+		const numPreferredQuotes = (preferred.regex.exec(rawContent) || []).length;
+		const numAlternateQuotes = (alternate.regex.exec(rawContent) || []).length;
 
 		result = numPreferredQuotes > numAlternateQuotes ? alternate : preferred;
 	}

test/test-utils.ts

@@ -50,8 +50,8 @@ function getFiles(file: any, path: string, isMarkdown = false) {
 	let input: string = file[`/test/fixtures/${path}/input.${ext}`];
 	let output: string = file[`/test/fixtures/${path}/output.${ext}`];
 	// workaround: normalize end of lines to pass windows ci
-	if (input) input = input.replace(/(\r\n|\r)/gm, '\n');
-	if (output) output = output.replace(/(\r\n|\r)/gm, '\n');
+	if (input) input = input.replace(/\r\n|\r/g, '\n');
+	if (output) output = output.replace(/\r\n|\r/g, '\n');
 	return { input, output };
 }
 
@@ -63,7 +63,7 @@ function getOptions(files: any, path: string) {
 	let opts: object;
 	try {
 		opts = JSON.parse(files[`/test/fixtures/${path}/options.json`]);
-	} catch (e) {
+	} catch {
 		opts = {};
 	}
 	return opts;

tsconfig.eslint.json

@@ -0,0 +1,7 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "checkJs": true
+  },
+  "include": ["src/**/*.ts", "test/**/*.ts", "*"]
+}