preconstruct/cli/dist/preconstruct.cjs.prod.js

A smart build tool for libraries

"use strict";

function _interopDefault(ex) {
  return ex && "object" == typeof ex && "default" in ex ? ex.default : ex;
}

var meow = _interopDefault(require("meow")), _defineProperty = _interopDefault(require("@babel/runtime/helpers/defineProperty")), is = _interopDefault(require("sarcastic")), globby = _interopDefault(require("globby")), fs = require("fs-extra"), path = _interopDefault(require("path")), util = _interopDefault(require("util")), _objectSpread = _interopDefault(require("@babel/runtime/helpers/objectSpread")), inquirer = _interopDefault(require("inquirer")), pLimit = _interopDefault(require("p-limit")), DataLoader = _interopDefault(require("dataloader")), chalk = _interopDefault(require("chalk")), resolveFrom = _interopDefault(require("resolve-from")), packlist = _interopDefault(require("npm-packlist")), equal = _interopDefault(require("fast-deep-equal")), resolve = _interopDefault(require("resolve")), resolve$1 = _interopDefault(require("rollup-plugin-node-resolve")), alias = _interopDefault(require("rollup-plugin-alias")), cjs = _interopDefault(require("rollup-plugin-commonjs")), replace = _interopDefault(require("rollup-plugin-replace")), builtInModules = _interopDefault(require("builtin-modules")), rollup$1 = require("rollup"), fs$1 = require("fs"), json = _interopDefault(require("rollup-plugin-json")), _objectWithoutProperties = _interopDefault(require("@babel/runtime/helpers/objectWithoutProperties")), babel = require("@babel/core"), rollupPluginutils = require("rollup-pluginutils"), Worker = _interopDefault(require("jest-worker")), initHasher = _interopDefault(require("xxhash-wasm")), QuickLRU = _interopDefault(require("quick-lru")), codeFrame = require("@babel/code-frame"), installPackages = _interopDefault(require("install-packages")), ms = _interopDefault(require("ms"));

let EXTENSIONS = [ ".js", ".jsx", ".ts", ".tsx" ], PKG_JSON_CONFIG_FIELD = "preconstruct", itemsByPath = {};

class Item {
  constructor(filePath, contents) {
    _defineProperty(this, "_contents", void 0), _defineProperty(this, "_stringifiedSavedJson", void 0), 
    _defineProperty(this, "path", void 0), _defineProperty(this, "directory", void 0), 
    _defineProperty(this, "json", void 0), _defineProperty(this, "_config", void 0), 
    this.json = is(JSON.parse(contents), is.object), this._stringifiedSavedJson = JSON.stringify(this.json, null, 2), 
    this._contents = contents, this.path = filePath, this.directory = path.dirname(filePath), 
    this._config = this.json[PKG_JSON_CONFIG_FIELD] || {}, void 0 === itemsByPath[this.path] && (itemsByPath[this.path] = new Set()), 
    itemsByPath[this.path].add(this);
  }
  updater(json) {
    this.json = json;
  }
  async refresh() {
    let contents = await fs.readFile(this.path, "utf-8"), json = is(JSON.parse(contents), is.object);
    for (let item of itemsByPath[this.path]) item.updater(json);
  }
  async save() {
    Object.keys(this._config).length ? this.json[PKG_JSON_CONFIG_FIELD] = this._config : delete this.json[PKG_JSON_CONFIG_FIELD];
    let stringified = JSON.stringify(this.json, null, 2);
    if (stringified !== this._stringifiedSavedJson) {
      await fs.writeFile(this.path, JSON.stringify(this.json, null, 2) + "\n"), this._config = this.json[PKG_JSON_CONFIG_FIELD] || {};
      for (let item of itemsByPath[this.path]) item.updater(this.json);
      return this._stringifiedSavedJson = stringified, !0;
    }
    return !1;
  }
}

class FatalError extends Error {
  constructor(message, scope) {
    super(message), _defineProperty(this, "scope", void 0), this.scope = scope;
  }
}

class UnexpectedBuildError extends FatalError {
  constructor(error, pkgName) {
    super(`${util.format("", error).trim()}`, pkgName);
  }
}

class FixableError extends FatalError {}

let limit = pLimit(1), prefix = `🎁 ${chalk.green("?")}`;

function createPromptConfirmLoader(message) {
  let loader = new DataLoader(pkgs => limit(() => (async () => {
    if (1 === pkgs.length) {
      let {confirm: confirm} = await inquirer.prompt([ {
        type: "confirm",
        name: "confirm",
        message: message,
        prefix: prefix + " " + pkgs[0].name
      } ]);
      return [ confirm ];
    }
    let {answers: answers} = await inquirer.prompt([ {
      type: "checkbox",
      name: "answers",
      message: message,
      choices: pkgs.map(pkg => ({
        name: pkg.name,
        checked: !0
      })),
      prefix: prefix
    } ]);
    return pkgs.map(pkg => answers.includes(pkg.name));
  })(), {
    cache: !1
  }));
  return pkg => loader.load(pkg);
}

let promptConfirm = async message => {
  let {confirm: confirm} = await inquirer.prompt([ {
    type: "confirm",
    name: "confirm",
    message: message,
    prefix: prefix
  } ]);
  return confirm;
}, doPromptInput = async (message, pkg, defaultAnswer) => {
  let {input: input} = await inquirer.prompt([ {
    type: "input",
    name: "input",
    message: message,
    prefix: prefix + " " + pkg.name,
    default: defaultAnswer
  } ]);
  return input;
}, promptInput = (message, pkg, defaultAnswer) => limit(() => doPromptInput(message, pkg, defaultAnswer));

function format(args, messageType, scope) {
  let fullPrefix = "🎁 " + {
    error: chalk.red("error"),
    success: chalk.green("success"),
    info: chalk.cyan("info")
  }[messageType] + (void 0 === scope ? "" : " " + chalk.cyan(scope));
  return fullPrefix + util.format("", ...args).split("\n").join("\n" + fullPrefix + " ");
}

function error(message, scope) {
  console.error(format([ message ], "error", scope));
}

function success(message, scope) {
  console.log(format([ message ], "success", scope));
}

function info(message, scope) {
  console.log(format([ message ], "info", scope));
}

async function validateIncludedFiles(pkg) {
  try {
    await Promise.all(pkg.entrypoints.map(async entrypoint => {
      let filename = path.join(entrypoint.directory, "dist", "preconstruct-test-file");
      return await fs.ensureFile(filename), fs.writeFile(filename, "test content");
    }));
    let result = await packlist({
      path: pkg.directory
    }), messages = [];
    if (pkg.entrypoints.forEach(entrypoint => {
      let pkgJsonPath = path.relative(pkg.directory, path.resolve(entrypoint.directory, "package.json")), distFilePath = path.relative(pkg.directory, path.resolve(entrypoint.directory, "dist", "preconstruct-test-file")), entrypointName = path.relative(pkg.directory, entrypoint.directory);
      result.includes(pkgJsonPath) ? result.includes(distFilePath) || messages.push(`the dist directory ${"" === entrypointName ? "" : `for entrypoint ${chalk.cyan(entrypointName)} `}isn't included in the published files for this package, please add it to the files field in the package's package.json`) : messages.push(`the entrypoint ${chalk.cyan(entrypointName)} isn't included in the published files for this package, please add it to the files field in the package's package.json`);
    }), messages.length) throw new FatalError(messages.join("\n"), pkg.name);
  } finally {
    await Promise.all(pkg.entrypoints.map(entrypoint => fs.remove(path.join(entrypoint.directory, "dist", "preconstruct-test-file"))));
  }
}

let unsafeRequire = require, askGlobalLimit = pLimit(1);

class Project extends Item {
  constructor(...args) {
    super(...args), _defineProperty(this, "packages", void 0);
  }
  get configPackages() {
    return is(this._config.packages, is.default(is.arrayOf(is.string), [ "." ]));
  }
  get isBolt() {
    let hasBolt = !!this.json.bolt, hasYarnWorkspaces = !!this.json.workspaces;
    return hasBolt && !hasYarnWorkspaces;
  }
  static async create(directory) {
    let filePath = path.join(directory, "package.json"), contents = await fs.readFile(filePath, "utf-8"), project = new Project(filePath, contents);
    return project.packages = await project._packages(), project;
  }
  get name() {
    return is(this.json.name, is.string);
  }
  set name(name) {
    this.json.name = name;
  }
  async _packages() {
    if (!this._config.packages && this.json.workspaces) {
      let _workspaces;
      Array.isArray(this.json.workspaces) ? _workspaces = this.json.workspaces : Array.isArray(this.json.workspaces.packages) && (_workspaces = this.json.workspaces.packages);
      let workspaces = is(_workspaces, is.arrayOf(is.string)), packages = await promptInput("what packages should preconstruct build?", this, workspaces.join(","));
      this._config.packages = packages.split(","), await this.save();
    }
    try {
      let lastErr, filenames = await globby(this.configPackages, {
        cwd: this.directory,
        onlyDirectories: !0,
        absolute: !0,
        expandDirectories: !1
      }), dirsWithoutPkgJson = [], packages = await Promise.all(filenames.map(async x => {
        try {
          let pkg = await Package.create(x);
          return pkg.project = this, pkg;
        } catch (err) {
          if ("ENOENT" === err.code && err.path === path.join(x, "package.json")) return lastErr = err, 
          void dirsWithoutPkgJson.push(x);
          throw err;
        }
      }));
      if (dirsWithoutPkgJson.length) {
        if (error("there are some package directories that do not have package.jsons\nthis is often caused by switching branches.\n\n" + dirsWithoutPkgJson.join("\n") + "\n"), 
        !await promptConfirm("would you like preconstruct to delete these directories automatically?")) throw lastErr;
        return await Promise.all(dirsWithoutPkgJson.map(dir => fs.remove(dir))), this._packages();
      }
      return await Promise.all(packages.map(pkg => validateIncludedFiles(pkg))), packages;
    } catch (error) {
      if (error instanceof is.AssertionError) return [];
      throw error;
    }
  }
  global(pkg) {
    if (void 0 !== this._config.globals && this._config.globals[pkg]) return this._config.globals[pkg];
    try {
      let pkgJson = unsafeRequire(resolveFrom(this.directory, path.join(pkg, "package.json")));
      if (pkgJson && pkgJson[PKG_JSON_CONFIG_FIELD] && pkgJson[PKG_JSON_CONFIG_FIELD].umdName) return pkgJson[PKG_JSON_CONFIG_FIELD].umdName;
    } catch (err) {
      if ("MODULE_NOT_FOUND" !== err.code) throw err;
    }
    throw askGlobalLimit(() => (async () => {
      if (void 0 !== this._config.globals && this._config.globals[pkg]) return;
      let response = await promptInput(`What should the umdName of ${pkg} be?`, this);
      this._addGlobal(pkg, response), await this.save();
    })());
  }
  _addGlobal(pkg, name) {
    this._config.globals || (this._config.globals = {}), this._config.globals[pkg] = name;
  }
}

let errors = {
  noSource: source => `no source file was provided, please create a file at ${source} or specify a custom source file with the ${PKG_JSON_CONFIG_FIELD} source option`,
  deniedWriteMainField: "changing the main field is required to build",
  invalidModuleField: "module field is invalid",
  invalidMainField: "main field is invalid",
  invalidUmdMainField: "umd:main field is invalid",
  invalidBrowserField: "browser field is invalid",
  umdNameNotSpecified: `the umd:main field is specified but a umdName option is not specified. please add it to the ${PKG_JSON_CONFIG_FIELD} field in your package.json`,
  deniedWriteBrowserField: "building browser bundles for modules that include typeof window or typeof document is currently required",
  noEntrypointPkgJson: "There is a missing package.json for an entrypoint",
  noEntrypoints: "packages must have at least one entrypoint, this package has no entrypoints"
}, confirms = {
  writeMainField: createPromptConfirmLoader("preconstruct is going to change the main field in your package.json, are you okay with that?"),
  writeModuleField: createPromptConfirmLoader("would you like to generate module builds? this will write to the module field in your package.json"),
  fixModuleField: createPromptConfirmLoader("would you like to fix the module field?"),
  fixUmdBuild: createPromptConfirmLoader("would you like to fix the umd field?"),
  shouldInstallObjectAssign: createPromptConfirmLoader("Object.assign is polyfilled with object-assign to reduce bundle size when used with react. would you like to install object-assign automatically?"),
  shouldInstallBabelRuntime: createPromptConfirmLoader("Babel helpers (functions inserted by babel transforms) should be imported from a @babel/runtime package (which has to be in your dependencies) to reduce bundle size. would you like to install @babel/runtime automatically?"),
  addBrowserField: createPromptConfirmLoader("typeof window or typeof document is used in this package. would you like build seperate browser builds for better browser bundle sizes?"),
  fixBrowserField: createPromptConfirmLoader("would you like to fix the browser build?"),
  createEntrypointPkgJson: createPromptConfirmLoader("A package.json file does not exist for this entrypoint, would you like to create one automatically?")
}, inputs = {
  getUmdName: "what should the name used for UMD bundles be?"
}, infos = {
  validMainField: "main field is valid",
  validModuleField: "module field is valid",
  validUmdMainField: "umd:main field is valid",
  validEntrypoint: "a valid entry point exists.",
  validBrowserField: "browser field is valid",
  validPackageEntrypoints: "package entrypoints are valid"
}, successes = {
  validProject: "project is valid!",
  startedWatching: "started watching!"
};

function getNameForDist(name) {
  return name.replace(/.*\//, "");
}

function getValidStringFieldContentForBuildType(type, pkgName) {
  let safeName = getNameForDist(pkgName);
  switch (type) {
   case "main":
    return `dist/${safeName}.cjs.js`;

   case "module":
    return `dist/${safeName}.esm.js`;

   case "umd:main":
    return `dist/${safeName}.umd.min.js`;
  }
  throw new Error(`unknown string build type: ${type}. this is likely a bug in preconstruct.`);
}

function getValidObjectFieldContentForBuildType(type, pkgName, hasModuleBuild) {
  let safeName = getNameForDist(pkgName);
  switch (type) {
   case "browser":
    {
      let obj = {
        [`./dist/${safeName}.cjs.js`]: `./dist/${safeName}.browser.cjs.js`
      };
      return hasModuleBuild && (obj[`./dist/${safeName}.esm.js`] = `./dist/${safeName}.browser.esm.js`), 
      obj;
    }
  }
  throw new Error(`unknown object build type: ${type}. this is likely a bug in preconstruct.`);
}

function flowTemplate(hasDefaultExport, relativePath) {
  return `// @flow\nexport * from "${relativePath}";${hasDefaultExport ? `\nexport { default } from "${relativePath}";` : ""}\n`;
}

function tsTemplate(hasDefaultExport, relativePath) {
  return `export * from "${relativePath}";${hasDefaultExport ? `\nexport { default } from "${relativePath}";` : ""}\n`;
}

let camelToPkgJsonField = {
  main: "main",
  module: "module",
  umdMain: "umd:main",
  browser: "browser"
};

async function fixPackage(pkg) {
  if (0 === pkg.entrypoints.length) throw new FatalError(errors.noEntrypoints, pkg.name);
  let fields = {
    main: !0,
    module: pkg.entrypoints.some(x => x.module),
    umdMain: pkg.entrypoints.some(x => x.umdMain),
    browser: pkg.entrypoints.some(x => x.browser)
  };
  return Object.keys(fields).filter(x => fields[x]).forEach(field => {
    pkg.setFieldOnEntrypoints(field);
  }), (await Promise.all(pkg.entrypoints.map(x => x.save()))).some(x => x);
}

let unsafeRequire$1 = require;

function validatePackage(pkg) {
  if (0 === pkg.entrypoints.length) throw new FatalError(errors.noEntrypoints, pkg.name);
  let fields = {
    module: !!pkg.entrypoints[0].module,
    umdMain: !!pkg.entrypoints[0].umdMain,
    browser: !!pkg.entrypoints[0].browser
  };
  if (pkg.entrypoints.forEach(entrypoint => {
    Object.keys(fields).forEach(field => {
      if (entrypoint[field] && !fields[field]) throw new FixableError(`${pkg.entrypoints[0].name} has a ${camelToPkgJsonField[field]} build but ${entrypoint.name} does not have a ${camelToPkgJsonField[field]} build. Entrypoints in a package must either all have a particular build type or all not have a particular build type.`, pkg.name);
      if (!entrypoint[field] && fields[field]) throw new FixableError(`${entrypoint.name} has a ${camelToPkgJsonField[field]} build but ${pkg.entrypoints[0].name} does not have a ${camelToPkgJsonField[field]} build. Entrypoints in a package must either all have a particular build type or all not have a particular build type.`, pkg.name);
    });
  }), fields.umdMain) {
    let sortaAllDeps = new Set([ ...pkg.peerDependencies ? Object.keys(pkg.peerDependencies) : [], ...pkg.dependencies ? Object.keys(pkg.dependencies) : [] ]);
    for (let depName in pkg.dependencies) {
      let depPkgJson = unsafeRequire$1(resolveFrom(pkg.directory, depName + "/package.json"));
      if (depPkgJson.peerDependencies) for (let pkgName in depPkgJson.peerDependencies) if (!sortaAllDeps.has(pkgName)) throw new FatalError(`the package ${chalk.blue(pkg.name)} depends on ${chalk.blue(depName)} which has a peerDependency on ${chalk.blue(pkgName)} but ${chalk.blue(pkgName)} is not specified in the dependencies or peerDependencies of ${chalk.blue(pkg.name)}. please add ${chalk.blue(pkgName)} to the dependencies or peerDependencies of ${chalk.blue(pkg.name)}`, pkg.name);
    }
  }
}

function validateEntrypointSource(entrypoint) {
  try {
    if (!entrypoint.source.startsWith(entrypoint.package.directory)) throw new FatalError(`entrypoint source files must be inside their respective package directory but this entrypoint has specified its source file as ${entrypoint.configSource}`, entrypoint.name);
  } catch (e) {
    if ("MODULE_NOT_FOUND" === e.code) throw new FatalError(errors.noSource(entrypoint.configSource), entrypoint.name);
    throw e;
  }
}

function isMainFieldValid(entrypoint) {
  return entrypoint.main === getValidStringFieldContentForBuildType("main", entrypoint.package.name);
}

function isModuleFieldValid(entrypoint) {
  return entrypoint.module === getValidStringFieldContentForBuildType("module", entrypoint.package.name);
}

function isUmdMainFieldValid(entrypoint) {
  return entrypoint.umdMain === getValidStringFieldContentForBuildType("umd:main", entrypoint.package.name);
}

function isBrowserFieldValid(entrypoint) {
  return equal(entrypoint.browser, getValidObjectFieldContentForBuildType("browser", entrypoint.package.name, null !== entrypoint.module));
}

function isUmdNameSpecified(entrypoint) {
  return "string" == typeof entrypoint._config.umdName;
}

function validateEntrypoint(entrypoint, log) {
  if (validateEntrypointSource(entrypoint), log && info(infos.validEntrypoint, entrypoint.name), 
  !isMainFieldValid(entrypoint)) throw new FixableError(errors.invalidMainField, entrypoint.name);
  if (log && info(infos.validMainField, entrypoint.name), null !== entrypoint.module) {
    if (!isModuleFieldValid(entrypoint)) throw new FixableError(errors.invalidModuleField, entrypoint.name);
    log && info(infos.validModuleField, entrypoint.name);
  }
  if (null !== entrypoint.umdMain) {
    if (!isUmdMainFieldValid(entrypoint)) throw new FixableError(errors.invalidUmdMainField, entrypoint.name);
    if (!isUmdNameSpecified(entrypoint)) throw new FixableError(errors.umdNameNotSpecified, entrypoint.name);
    log && info(infos.validUmdMainField, entrypoint.name);
  }
  if (null !== entrypoint.browser) {
    if ("string" == typeof entrypoint.browser || !isBrowserFieldValid(entrypoint)) throw new FixableError(errors.invalidBrowserField, entrypoint.name);
    log && info(infos.validBrowserField, entrypoint.name);
  }
}

async function validate(directory) {
  let project = await Project.create(directory);
  for (let pkg of project.packages) {
    validatePackage(pkg);
    for (let entrypoint of pkg.entrypoints) validateEntrypoint(entrypoint, !0);
    info(infos.validPackageEntrypoints, pkg.name);
  }
  success(successes.validProject);
}

let fields = [ "version", "description", "main", "module", "umd:main", "browser" ];

function setFieldInOrder(obj, field, value) {
  if (field in obj) return _objectSpread({}, obj, {
    [field]: value
  });
  let fieldIndex = fields.indexOf(field), idealField = fields.slice(0, fieldIndex).reverse().find(key => key in obj);
  if (void 0 === idealField) return _objectSpread({}, obj, {
    [field]: value
  });
  let newObj = {};
  for (let key in obj) newObj[key] = obj[key], key === idealField && (newObj[field] = value);
  return newObj;
}

class Entrypoint extends Item {
  constructor(filePath, contents, pkg) {
    super(filePath, contents), _defineProperty(this, "package", void 0), _defineProperty(this, "_strict", void 0), 
    this.package = pkg;
  }
  get name() {
    return path.join(this.package.name, path.relative(this.package.directory, this.directory));
  }
  get main() {
    return is(this.json.main, is.maybe(is.string));
  }
  set main(path) {
    this.json = setFieldInOrder(this.json, "main", path);
  }
  get module() {
    return is(this.json.module, is.maybe(is.string));
  }
  set module(path) {
    this.json = setFieldInOrder(this.json, "module", path);
  }
  get browser() {
    return is(this.json.browser, is.maybe(is.either(is.string, is.objectOf(is.string))));
  }
  set browser(option) {
    this.json = setFieldInOrder(this.json, "browser", option);
  }
  get umdMain() {
    return is(this.json["umd:main"], is.maybe(is.string));
  }
  set umdMain(path) {
    this.json = setFieldInOrder(this.json, "umd:main", path);
  }
  get configSource() {
    return is(this._config.source, is.default(is.string, "src/index"));
  }
  get source() {
    return resolve.sync(path.join(this.directory, this.configSource), {
      extensions: EXTENSIONS
    });
  }
  get umdName() {
    return is(this._config.umdName, is.maybe(is.string));
  }
  set umdName(umdName) {
    null === umdName ? delete this._config.umdName : this._config.umdName = umdName;
  }
  strict() {
    return this._strict || (validatePackage(this.package), validateEntrypoint(this, !1), 
    this._strict = new StrictEntrypoint(this.path, this._contents, this.package)), this._strict;
  }
}

class StrictEntrypoint extends Entrypoint {
  get main() {
    return is(this.json.main, is.string);
  }
  set main(path) {
    this.json = setFieldInOrder(this.json, "main", path);
  }
  get browser() {
    return is(this.json.browser, is.maybe(is.objectOf(is.string)));
  }
  set browser(option) {
    this.json = setFieldInOrder(this.json, "browser", option);
  }
  updater(json) {
    super.updater(json), validatePackage(this.package), validateEntrypoint(this, !1);
  }
  strict() {
    return this;
  }
}

class Package extends Item {
  constructor(...args) {
    super(...args), _defineProperty(this, "project", void 0), _defineProperty(this, "entrypoints", void 0);
  }
  get configEntrypoints() {
    return is(this._config.entrypoints, is.default(is.arrayOf(is.string), [ "." ]));
  }
  static async create(directory) {
    let filePath = path.join(directory, "package.json"), contents = await fs.readFile(filePath, "utf-8"), pkg = new Package(filePath, contents), entrypointDirectories = await globby(pkg.configEntrypoints, {
      cwd: pkg.directory,
      onlyDirectories: !0,
      absolute: !0,
      expandDirectories: !1
    });
    return pkg.entrypoints = await Promise.all(entrypointDirectories.map(async directory => {
      let filename = path.join(directory, "package.json"), contents = null;
      try {
        contents = await fs.readFile(filename, "utf-8");
      } catch (e) {
        if ("ENOENT" !== e.code) throw e;
      }
      return {
        filename: filename,
        contents: contents
      };
    })).then(descriptors => {
      let getPlainEntrypointContent = () => {
        let plainEntrypointObj = {
          main: getValidStringFieldContentForBuildType("main", pkg.name)
        };
        for (let descriptor of descriptors) if (null !== descriptor.contents) {
          let parsed = JSON.parse(descriptor.contents);
          for (let field of [ "module", "umd:main" ]) void 0 !== parsed[field] && (plainEntrypointObj[field] = getValidStringFieldContentForBuildType(field, pkg.name));
          void 0 !== parsed.browser && (plainEntrypointObj.browser = getValidObjectFieldContentForBuildType("browser", pkg.name, void 0 !== plainEntrypointObj.module));
        }
        let plainEntrypointContents = JSON.stringify(plainEntrypointObj);
        return getPlainEntrypointContent = (() => plainEntrypointContents), plainEntrypointContents;
      };
      return Promise.all(descriptors.map(async ({filename: filename, contents: contents}) => {
        if (null === contents) {
          if (!await confirms.createEntrypointPkgJson({
            name: path.join(pkg.name, path.relative(pkg.directory, directory))
          })) throw new FatalError(errors.noEntrypointPkgJson, path.join(pkg.name, path.relative(pkg.directory, directory)));
          contents = getPlainEntrypointContent(), await fs.writeFile(filename, contents);
        }
        return new Entrypoint(filename, contents, pkg);
      }));
    }), pkg;
  }
  setFieldOnEntrypoints(field) {
    this.entrypoints.forEach(entrypoint => {
      switch (field) {
       case "main":
        entrypoint.main = getValidStringFieldContentForBuildType("main", this.name);
        break;

       case "module":
        entrypoint.module = getValidStringFieldContentForBuildType("module", this.name);
        break;

       case "browser":
        entrypoint.browser = getValidObjectFieldContentForBuildType("browser", this.name, null !== entrypoint.module);
        break;

       case "umdMain":
        entrypoint.umdMain = getValidStringFieldContentForBuildType("umd:main", this.name);
      }
    });
  }
  get name() {
    return is(this.json.name, is.string);
  }
  set name(name) {
    this.json.name = name;
  }
  get dependencies() {
    return is(this.json.dependencies, is.maybe(is.objectOf(is.string)));
  }
  get peerDependencies() {
    return is(this.json.peerDependencies, is.maybe(is.objectOf(is.string)));
  }
}

async function doInit(pkg) {
  if (pkg.entrypoints.forEach(entrypoint => {
    validateEntrypointSource(entrypoint);
  }), pkg.entrypoints.every(entrypoint => isMainFieldValid(entrypoint))) info(infos.validMainField, pkg.name); else {
    if (!await confirms.writeMainField(pkg)) throw new FatalError(errors.deniedWriteMainField, pkg.name);
    pkg.setFieldOnEntrypoints("main");
  }
  let allEntrypointsAreMissingAModuleField = pkg.entrypoints.every(entrypoint => null === entrypoint.module), someEntrypointsAreNotValid = pkg.entrypoints.some(entrypoint => !isModuleFieldValid(entrypoint));
  if (allEntrypointsAreMissingAModuleField || someEntrypointsAreNotValid) {
    if (await confirms.writeModuleField(pkg)) pkg.setFieldOnEntrypoints("module"); else if (!allEntrypointsAreMissingAModuleField) throw new FixableError(errors.invalidModuleField, pkg.name);
  } else info(infos.validModuleField, pkg.name);
  let someEntrypointsHaveAMaybeInvalidUmdBuild = pkg.entrypoints.some(entrypoint => null !== entrypoint.umdMain), someUmdMainFieldsAreInvalid = pkg.entrypoints.some(entrypoint => !isUmdMainFieldValid(entrypoint)), someUmdNamesAreNotSpecified = pkg.entrypoints.some(entrypoint => !isUmdNameSpecified(entrypoint));
  if (someEntrypointsHaveAMaybeInvalidUmdBuild && (someUmdMainFieldsAreInvalid || someUmdNamesAreNotSpecified)) {
    if (!await confirms.fixUmdBuild(pkg)) throw new FixableError(errors.invalidUmdMainField, pkg.name);
    pkg.setFieldOnEntrypoints("umdMain");
    for (let entrypoint of pkg.entrypoints) {
      let umdName = await promptInput(inputs.getUmdName, entrypoint);
      entrypoint.umdName = umdName;
    }
  }
  let someEntrypointsHaveABrowserField = pkg.entrypoints.some(entrypoint => null !== entrypoint.browser), someEntrypointsHaveAnInvalidBrowserField = pkg.entrypoints.some(entrypoint => !isBrowserFieldValid(entrypoint));
  if (someEntrypointsHaveABrowserField && someEntrypointsHaveAnInvalidBrowserField) {
    if (!await confirms.fixBrowserField(pkg)) throw new FixableError(errors.invalidBrowserField, pkg.name);
    pkg.setFieldOnEntrypoints("browser");
  }
  await Promise.all(pkg.entrypoints.map(x => x.save()));
}

async function init(directory) {
  let project = await Project.create(directory);
  await Promise.all(project.packages.map(doInit)), success("initialised project!");
}

const pattern = /require\((["'])@babel\/runtime\/helpers\/esm\/(\w+)["']\)/g;

function rewriteCjsRuntimeHelpers() {
  return {
    name: "rewrite-cjs-runtime-helpers",
    renderChunk: (code, chunkInfo, {format: format}) => "cjs" !== format ? null : code.replace(pattern, (_, quote, path) => `require(${quote}@babel/runtime/helpers/${path}${quote})`)
  };
}

function getDevPath(cjsPath) {
  return cjsPath.replace(/\.js$/, ".dev.js");
}

function getProdPath(cjsPath) {
  return cjsPath.replace(/\.js$/, ".prod.js");
}

function flowAndNodeDevProdEntry(pkg) {
  return {
    name: "flow-and-prod-dev-entry",
    async resolveId(source, importer) {
      let resolved = await this.resolve(source, importer, {
        skipSelf: !0
      });
      if (resolved.id.startsWith("\0") || resolved.id.startsWith(pkg.directory)) return resolved;
      throw new FatalError(`all relative imports in a package should only import modules inside of their package directory but "${path.relative(pkg.directory, importer)}" is importing "${source}"`, pkg.name);
    },
    async generateBundle(opts, bundle, something) {
      for (const n in bundle) {
        const file = bundle[n];
        let facadeModuleId = file.facadeModuleId;
        if (file.isAsset || !file.isEntry || null == facadeModuleId) continue;
        let mainFieldPath = file.fileName.replace(/\.prod\.js$/, ".js"), relativeToSource = path.relative(path.dirname(path.join(opts.dir, file.fileName)), facadeModuleId);
        if (!/\.tsx?$/.test(facadeModuleId)) {
          let flowMode = !1;
          if ((await fs.readFile(facadeModuleId, "utf8")).includes("@flow") && (flowMode = file.exports.includes("default") ? "all" : "named"), 
          !1 !== flowMode) {
            let flowFileSource = flowTemplate("all" === flowMode, relativeToSource), flowFileName = mainFieldPath + ".flow";
            bundle[flowFileName] = {
              fileName: flowFileName,
              isAsset: !0,
              source: flowFileSource
            };
          }
        }
        let mainEntrySource = `'use strict';\n\nif (process.env.NODE_ENV === "production") {\n  module.exports = require("./${path.basename(getProdPath(mainFieldPath))}");\n} else {\n  module.exports = require("./${path.basename(getDevPath(mainFieldPath))}");\n}\n`;
        bundle[mainFieldPath] = {
          fileName: mainFieldPath,
          isAsset: !0,
          source: mainEntrySource
        };
      }
    }
  };
}

function normalize(fileName) {
  return fileName.split("\\").join("/");
}

let createLanguageServiceHostClass = typescript => (class {
  constructor(parsedConfig, transformers) {
    this.parsedConfig = parsedConfig, this.transformers = transformers, this.cwd = process.cwd(), 
    this.snapshots = {}, this.versions = {}, this.fileNames = new Set(parsedConfig.fileNames);
  }
  reset() {
    this.snapshots = {}, this.versions = {};
  }
  setLanguageService(service) {
    this.service = service;
  }
  getProjectVersion() {
    return 1;
  }
  setSnapshot(fileName, data) {
    fileName = normalize(fileName);
    const snapshot = typescript.ScriptSnapshot.fromString(data);
    return this.snapshots[fileName] = snapshot, this.versions[fileName] = (this.versions[fileName] || 0) + 1, 
    this.fileNames.add(fileName), snapshot;
  }
  getScriptSnapshot(fileName) {
    return fileName = normalize(fileName), this.snapshots[fileName] ? this.snapshots[fileName] : fs$1.existsSync(fileName) ? (this.snapshots[fileName] = typescript.ScriptSnapshot.fromString(typescript.sys.readFile(fileName)), 
    this.versions[fileName] = (this.versions[fileName] || 0) + 1, this.snapshots[fileName]) : void 0;
  }
  getCurrentDirectory() {
    return this.cwd;
  }
  getScriptVersion(fileName) {
    return fileName = normalize(fileName), (this.versions[fileName] || 0).toString();
  }
  getScriptFileNames() {
    return Array.from(this.fileNames.values());
  }
  getCompilationSettings() {
    return this.parsedConfig.options;
  }
  getDefaultLibFileName(opts) {
    return typescript.getDefaultLibFilePath(opts);
  }
  useCaseSensitiveFileNames() {
    return typescript.sys.useCaseSensitiveFileNames;
  }
  readDirectory(path, extensions, exclude, include) {
    return typescript.sys.readDirectory(path, extensions, exclude, include);
  }
  readFile(path, encoding) {
    return typescript.sys.readFile(path, encoding);
  }
  fileExists(path) {
    return typescript.sys.fileExists(path);
  }
  getTypeRootsVersion() {
    return 0;
  }
  directoryExists(directoryName) {
    return typescript.sys.directoryExists(directoryName);
  }
  getDirectories(directoryName) {
    return typescript.sys.getDirectories(directoryName);
  }
  getCustomTransformers() {}
}), unsafeRequire$2 = require, weakMemoize = function(func) {
  let cache = new WeakMap();
  return arg => {
    if (cache.has(arg)) return cache.get(arg);
    let ret = func(arg);
    return cache.set(arg, ret), ret;
  };
};

function memoize(fn) {
  const cache = {};
  return arg => (void 0 === cache[arg] && (cache[arg] = fn(arg)), cache[arg]);
}

let getService = weakMemoize(typescript => memoize(async configFileName => {
  let configFileContents = await fs.readFile(configFileName, "utf8");
  const result = typescript.parseConfigFileTextToJson(configFileName, configFileContents);
  let thing = typescript.parseJsonConfigFileContent(result, typescript.sys, process.cwd(), void 0, configFileName), servicesHost = new (createLanguageServiceHostClass(typescript))(thing, []), service = typescript.createLanguageService(servicesHost, typescript.createDocumentRegistry());
  return servicesHost.setLanguageService(service), {
    service: service,
    options: thing.options
  };
}));

async function createDeclarationCreator(dirname) {
  let typescript;
  try {
    typescript = unsafeRequire$2(resolveFrom(dirname, "typescript"));
  } catch (err) {
    if ("MODULE_NOT_FOUND" === err.code) throw new Error("an entrypoint source file ends with the .ts or .tsx extension but the typescript module could not be resolved from the project directory, please install it.");
    throw err;
  }
  let configFileName = typescript.findConfigFile(dirname, typescript.sys.fileExists);
  if (!configFileName) throw new Error("an entrypoint source file ends with the .ts extension but no TypeScript config exists, please create one.");
  let {service: service, options: options} = await getService(typescript)(configFileName), moduleResolutionCache = typescript.createModuleResolutionCache(dirname, x => x, options);
  return {
    getDeps: entrypoints => {
      let program = service.getProgram();
      if (!program) throw new Error("This is an internal error, please open an issue if you see this: program not found");
      let resolvedEntrypointPaths = entrypoints.map(x => {
        let {resolvedModule: resolvedModule} = typescript.resolveModuleName(path.join(path.dirname(x), path.basename(x, path.extname(x))), dirname, options, typescript.sys, moduleResolutionCache);
        if (!resolvedModule) throw new Error("This is an internal error, please open an issue if you see this: ts could not resolve module");
        return resolvedModule.resolvedFileName;
      }), allDeps = new Set(resolvedEntrypointPaths);
      return function searchDeps(deps) {
        for (let dep of deps) {
          let sourceFile = program.getSourceFile(dep);
          if (!sourceFile) throw new Error("This is an internal error, please open an issue if you see this: source file not found");
          let internalDeps = new Set();
          for (let _ref of sourceFile.imports) {
            let {text: text} = _ref, {resolvedModule: resolvedModule} = typescript.resolveModuleName(text, dep, options, typescript.sys, moduleResolutionCache);
            resolvedModule && (allDeps.has(resolvedModule.resolvedFileName) || resolvedModule.isExternalLibraryImport || !resolvedModule.resolvedFileName.includes(dirname) || (internalDeps.add(resolvedModule.resolvedFileName), 
            allDeps.add(resolvedModule.resolvedFileName)));
          }
          searchDeps(internalDeps);
        }
      }(new Set(resolvedEntrypointPaths)), allDeps;
    },
    getDeclarationFile: async filename => {
      if (filename.endsWith(".d.ts")) return {
        name: filename.replace(dirname, path.join(dirname, "dist", "declarations")),
        content: await fs.readFile(filename, "utf8")
      };
      let output = service.getEmitOutput(filename, !0);
      return {
        name: output.outputFiles[0].name.replace(dirname, path.join(dirname, "dist", "declarations")),
        content: output.outputFiles[0].text
      };
    }
  };
}

let isTsPath = source => /\.tsx?/.test(source);

function typescriptDeclarations(pkg) {
  return pkg.entrypoints.some(({source: source}) => isTsPath(source)) ? {
    name: "typescript-declarations",
    async generateBundle(opts, bundle, something) {
      let creator = await createDeclarationCreator(pkg.directory), srcFilenameToDtsFilenameMap = new Map(), deps = creator.getDeps(pkg.entrypoints.map(x => x.source));
      await Promise.all([ ...deps ].map(async dep => {
        let {name: name, content: content} = await creator.getDeclarationFile(dep);
        srcFilenameToDtsFilenameMap.set(dep, name), bundle[name] = {
          fileName: name,
          isAsset: !0,
          source: content
        };
      }));
      for (const n in bundle) {
        const file = bundle[n];
        let facadeModuleId = file.facadeModuleId;
        if (file.isAsset || !file.isEntry || null == facadeModuleId) continue;
        let dtsFilename = srcFilenameToDtsFilenameMap.get(facadeModuleId);
        if (!dtsFilename) throw new FatalError(`no .d.ts file was found for the entrypoint at ${facadeModuleId}`, pkg.name);
        let mainFieldPath = file.fileName.replace(/\.prod\.js$/, ""), relativeToSource = path.relative(path.dirname(path.join(opts.dir, file.fileName)), dtsFilename.replace(/\.d\.ts$/, ""));
        relativeToSource.startsWith(".") || (relativeToSource = `./${relativeToSource}`);
        let tsFileSource = tsTemplate(file.exports.includes("default"), relativeToSource), tsFileName = mainFieldPath + ".d.ts";
        bundle[tsFileName] = {
          fileName: tsFileName,
          isAsset: !0,
          source: tsFileSource
        };
      }
    }
  } : {
    name: "typescript-declarations"
  };
}

let worker, shouldUseWorker = "true" !== process.env.DISABLE_PRECONSTRUCT_WORKER, unsafeRequire$3 = require;

function createWorker() {
  worker = shouldUseWorker ? new Worker(require.resolve("preconstruct/worker")) : unsafeRequire$3("preconstruct/worker");
}

function destroyWorker() {
  void 0 !== worker && shouldUseWorker && (worker.end(), worker = void 0);
}

function getWorker() {
  if (void 0 === worker) throw new Error("worker not defined");
  return worker;
}

const regExpCharactersRegExp = /[\\^$.*+?()[\]{}|]/g, escapeRegExpCharacters = str => str.replace(regExpCharactersRegExp, "\\$&"), unpackOptions = (_ref = {}) => {
  let {extensions: extensions = babel.DEFAULT_EXTENSIONS, sourcemap: sourcemap = !0, sourcemaps: sourcemaps = !0, sourceMap: sourceMap = !0, sourceMaps: sourceMaps = !0} = _ref, rest = _objectWithoutProperties(_ref, [ "extensions", "sourcemap", "sourcemaps", "sourceMap", "sourceMaps" ]);
  return _objectSpread({
    extensions: extensions,
    plugins: [],
    sourceMaps: sourcemap && sourcemaps && sourceMap && sourceMaps
  }, rest, {
    caller: _objectSpread({
      name: "rollup-plugin-babel",
      supportsStaticESM: !0,
      supportsDynamicImport: !0
    }, rest.caller)
  });
}, lru = new QuickLRU({
  maxSize: 1e3
});

let hasher, hasherPromise = initHasher().then(({h64: h64}) => {
  hasher = h64;
}), rollupPluginBabel = pluginOptions => {
  const _unpackOptions = unpackOptions(pluginOptions), {exclude: exclude, extensions: extensions, include: include} = _unpackOptions, babelOptions = _objectWithoutProperties(_unpackOptions, [ "exclude", "extensions", "include" ]), extensionRegExp = new RegExp(`(${extensions.map(escapeRegExpCharacters).join("|")})$`), includeExcludeFilter = rollupPluginutils.createFilter(include, exclude);
  return {
    name: "babel",
    transform(code, filename) {
      if (!(id => extensionRegExp.test(id) && includeExcludeFilter(id))(filename)) return Promise.resolve(null);
      let hash = hasher(filename);
      if (lru.has(hash)) {
        let cachedResult = lru.get(hash);
        if (code === cachedResult.code) return cachedResult.promise;
      }
      let options = JSON.stringify(_objectSpread({}, babelOptions, {
        filename: filename
      })), promise = getWorker().transformBabel(code, options);
      return lru.set(hash, {
        code: code,
        promise: promise
      }), promise;
    }
  };
};

function terser(userOptions = {}) {
  if (null != userOptions.sourceMap) throw Error("sourceMap option is removed, use sourcemap instead");
  return {
    name: "terser",
    renderChunk(code, chunk, outputOptions) {
      const normalizedOptions = _objectSpread({}, userOptions, {
        sourceMap: !1 !== userOptions.sourcemap,
        module: "es" === outputOptions.format || "esm" === outputOptions.format
      });
      return normalizedOptions.hasOwnProperty("sourcemap") && delete normalizedOptions.sourcemap, 
      getWorker().transformTerser(code, JSON.stringify(normalizedOptions)).catch(error => {
        const {message: message, line: line, col: column} = error;
        throw console.error(codeFrame.codeFrameColumns(code, {
          start: {
            line: line,
            column: column
          }
        }, {
          message: message
        })), error;
      });
    }
  };
}

const makeExternalPredicate = externalArr => {
  if (0 === externalArr.length) return () => !1;
  const pattern = new RegExp(`^(${externalArr.join("|")})($|/)`);
  return id => pattern.test(id);
};

let rollup = rollup$1.rollup;

function toUnsafeRollupConfig(config) {
  return config;
}

let getRollupConfig = (pkg, entrypoints, aliases, type) => {
  let external = [];
  pkg.peerDependencies && external.push(...Object.keys(pkg.peerDependencies)), pkg.dependencies && "umd" !== type && external.push(...Object.keys(pkg.dependencies)), 
  "node-dev" !== type && "node-prod" !== type || external.push(...builtInModules);
  let rollupAliases = {};
  Object.keys(aliases).forEach(key => {
    try {
      rollupAliases[key] = resolveFrom(pkg.directory, aliases[key]);
    } catch (err) {
      if ("MODULE_NOT_FOUND" !== err.code) throw err;
    }
  });
  let input = {};
  return entrypoints.forEach(entrypoint => {
    input[path.relative(pkg.directory, path.join(entrypoint.directory, "dist", getNameForDist(pkg.name)))] = entrypoint.strict().source;
  }), {
    input: input,
    external: makeExternalPredicate(external),
    onwarn: warning => {
      switch (warning.code) {
       case "EMPTY_BUNDLE":
       case "CIRCULAR_DEPENDENCY":
       case "UNUSED_EXTERNAL_IMPORT":
        break;

       case "UNRESOLVED_IMPORT":
        if (/^@babel\/runtime\/helpers\//.test(warning.source)) throw (async () => {
          if (!await confirms.shouldInstallBabelRuntime(pkg)) throw new FatalError(`@babel/runtime should be in dependencies of ${pkg.name}`, pkg.name);
          await limit(() => installPackages({
            packages: [ "@babel/runtime" ],
            cwd: pkg.directory,
            installPeers: !1,
            packageManager: pkg.project.isBolt ? "bolt" : void 0
          })), await pkg.refresh();
        })();
        if (!warning.source.startsWith(".")) throw new FatalError(`"${warning.source}" is imported by "${path.relative(pkg.directory, warning.importer)}" but it is not specified in dependencies or peerDependencies`, pkg.name);

       default:
        throw new FatalError(`There was an error compiling ${pkg.name}: ${chalk.red(warning.toString())}`, pkg.name);
      }
    },
    plugins: [ "node-prod" === type && flowAndNodeDevProdEntry(pkg), "node-prod" === type && typescriptDeclarations(pkg), rollupPluginBabel({
      cwd: pkg.project.directory,
      plugins: [ [ require.resolve("@babel/plugin-transform-runtime"), {
        useESModules: !0
      } ] ],
      extensions: EXTENSIONS
    }), "umd" === type && cjs({
      include: [ "**/node_modules/**", "node_modules/**" ]
    }), ("browser" === type || "umd" === type) && replace({
      "typeof document": JSON.stringify("object"),
      "typeof window": JSON.stringify("object")
    }), rewriteCjsRuntimeHelpers(), json({
      namedExports: !1
    }), "umd" === type && alias(rollupAliases), resolve$1({
      extensions: EXTENSIONS,
      customResolveOptions: {
        moduleDirectory: "umd" === type ? "node_modules" : []
      }
    }), ("umd" === type || "node-prod" === type) && replace({
      "process.env.NODE_ENV": '"production"'
    }), "umd" === type && terser(), "node-prod" === type && terser({
      mangle: !1,
      output: {
        beautify: !0,
        indent_level: 2
      }
    }) ].filter(Boolean)
  };
};

function getAliases(project, getKey = (x => x)) {
  let aliases = {};
  return project.packages.forEach(pkg => {
    pkg.entrypoints.map(x => x.strict()).forEach(entrypoint => {
      aliases[getKey(entrypoint.name)] = path.join(pkg.name, path.relative(entrypoint.directory, entrypoint.source));
    });
  }), aliases;
}

function getGlobals(pkg) {
  let stuff = [];
  return pkg.peerDependencies && stuff.push(...Object.keys(pkg.peerDependencies)), 
  pkg.dependencies && stuff.push(...Object.keys(pkg.dependencies)), 0 === stuff.length ? {} : (pkg.peerDependencies ? Object.keys(pkg.peerDependencies) : []).reduce((obj, pkgName) => (obj[pkgName] = pkg.project.global(pkgName), 
  obj), {});
}

function getRollupConfigs(pkg, aliases) {
  let configs = [], strictEntrypoints = pkg.entrypoints.map(x => x.strict()), hasModuleField = null !== strictEntrypoints[0].module;
  return configs.push({
    config: getRollupConfig(pkg, strictEntrypoints, aliases, "node-dev"),
    outputs: [ {
      format: "cjs",
      entryFileNames: "[name].cjs.dev.js",
      chunkFileNames: "dist/[name]-[hash].cjs.dev.js",
      dir: pkg.directory,
      exports: "named"
    }, ...hasModuleField ? [ {
      format: "es",
      entryFileNames: "[name].esm.js",
      chunkFileNames: "dist/[name]-[hash].esm.js",
      dir: pkg.directory
    } ] : [] ]
  }), configs.push({
    config: getRollupConfig(pkg, strictEntrypoints, aliases, "node-prod"),
    outputs: [ {
      format: "cjs",
      entryFileNames: "[name].cjs.prod.js",
      chunkFileNames: "dist/[name]-[hash].cjs.prod.js",
      dir: pkg.directory,
      exports: "named"
    } ]
  }), null !== strictEntrypoints[0].umdMain && pkg.entrypoints.map(x => x.strict()).forEach(entrypoint => {
    let umdName = is(entrypoint._config.umdName, is.string);
    is(entrypoint.umdMain, is.string), configs.push({
      config: getRollupConfig(pkg, [ entrypoint ], aliases, "umd"),
      outputs: [ {
        format: "umd",
        sourcemap: !0,
        entryFileNames: "[name].umd.min.js",
        name: umdName,
        dir: pkg.directory,
        globals: getGlobals(pkg)
      } ]
    });
  }), null !== strictEntrypoints[0].browser && configs.push({
    config: getRollupConfig(pkg, strictEntrypoints, aliases, "browser"),
    outputs: [ {
      format: "cjs",
      entryFileNames: "[name].browser.cjs.js",
      chunkFileNames: "dist/[name]-[hash].browser.cjs.js",
      dir: pkg.directory,
      exports: "named"
    }, ...hasModuleField ? [ {
      format: "es",
      entryFileNames: "[name].browser.esm.js",
      chunkFileNames: "dist/[name]-[hash].browser.esm.js",
      dir: pkg.directory
    } ] : [] ]
  }), configs;
}

let browserPattern = /typeof\s+(window|document)/;

async function buildPackage(pkg, aliases) {
  let configs = getRollupConfigs(pkg, aliases);
  await Promise.all([ fs.remove(path.join(pkg.directory, "dist")), ...pkg.entrypoints.map(entrypoint => fs.remove(path.join(entrypoint.directory, "dist"))) ]);
  let hasCheckedBrowser = null !== pkg.entrypoints[0].browser;
  await Promise.all(configs.map(async ({config: config, outputs: outputs}) => {
    let bundle = await rollup(config);
    const nodeDevOutput = (await Promise.all(outputs.map(outputConfig => bundle.write(outputConfig))))[0].output;
    if (!hasCheckedBrowser) {
      let allCode = nodeDevOutput.map(({code: code}) => code).join("\n");
      if (hasCheckedBrowser = !0, browserPattern.test(allCode)) throw (async () => {
        if (!await confirms.addBrowserField(pkg)) throw new FatalError(errors.deniedWriteBrowserField, pkg.name);
        pkg.setFieldOnEntrypoints("browser"), await Promise.all(pkg.entrypoints.map(x => x.save()));
      })();
    }
  }));
}

async function retryableBuild(pkg, aliases) {
  try {
    await buildPackage(pkg, aliases);
  } catch (err) {
    if (err instanceof Promise) return await err, void await retryableBuild(pkg, aliases);
    if (err instanceof FatalError) throw err;
    throw new UnexpectedBuildError(err, pkg.name);
  }
}

async function build(directory) {
  try {
    createWorker(), await hasherPromise;
    let project = await Project.create(directory);
    info("building bundles!");
    let aliases = getAliases(project);
    await Promise.all(project.packages.map(pkg => retryableBuild(pkg, aliases))), success("built bundles!");
  } finally {
    destroyWorker();
  }
}

function relativePath(id) {
  return path.relative(process.cwd(), id);
}

async function watchPackage(pkg, aliases) {
  const _configs = getRollupConfigs(pkg, aliases);
  await fs.remove(path.join(pkg.directory, "dist"));
  let configs = _configs.map(config => _objectSpread({}, toUnsafeRollupConfig(config.config), {
    output: config.outputs