web-tooling-benchmark/src/prettier.mjs

// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import prettier from "prettier/standalone";
import babelParser from "prettier/parser-babel";
import estree from "prettier/plugins/estree";

const payloads = [
  {
    name: "preact-8.2.5.js",
    options: { semi: false, useTabs: false, parser: "babel" },
  },
  {
    name: "lodash.core-4.17.21.js",
    options: { semi: true, useTabs: true, parser: "babel" },
  },
  {
    name: "todomvc/react/app.jsx",
    options: { semi: false, useTabs: true, parser: "babel" },
  },
  {
    name: "todomvc/react/footer.jsx",
    options: {
      jsxBracketSameLine: true,
      semi: true,
      useTabs: true,
      parser: "babel",
    },
  },
  {
    name: "todomvc/react/todoItem.jsx",
    options: { semi: false, singleQuote: true, useTabs: true, parser: "babel" },
  },
];

export async function runTest(fileData) {
  const testData = payloads.map(({ name, options }) => ({
    payload: fileData[name],
    options,
  }));

  return Promise.all(
    testData.map(({ payload, options }) =>
      prettier.format(payload, { ...options, plugins: [babelParser, estree] })
    )
  );
}