text-encoding-identifier-case.mjs

import {getTester} from './utils/test.mjs';

const {test} = getTester(import.meta);

test.snapshot({
	valid: [
		'`UTF-8`',
		'"utf8"',
		'"utf+8"',
		'"   utf8   "',
		'\'utf8\'',
		'"\\u0055tf8"',
		'const ASCII = 1',
		'const UTF8 = 1',
	],
	invalid: [
		'"UTF-8"',
		'"utf-8"',
		'\'utf-8\'',
		'"Utf8"',
		'"ASCII"',
		'fs.readFile?.(file, "UTF-8")',
		'fs?.readFile(file, "UTF-8")',
		'readFile(file, "UTF-8")',
		'fs.readFile(...file, "UTF-8")',
		'new fs.readFile(file, "UTF-8")',
		'fs.readFile(file, {encoding: "UTF-8"})',
		'fs.readFile("UTF-8")',
		'fs.readFile(file, "UTF-8", () => {})',
		'fs.readFileSync(file, "UTF-8")',
		'fs[readFile](file, "UTF-8")',
		'fs["readFile"](file, "UTF-8")',
		'await fs.readFile(file, "UTF-8",)',
		'fs.promises.readFile(file, "UTF-8",)',
		'whatever.readFile(file, "UTF-8",)',
	],
});