refactor(cli): replace some default exports with named ones

For some reason why see https://blog.neufund.org/why-we-have-banned-default-exports-and-you-should-do-the-same-d51fdc2cf2ad

lib/cli/src/add.js

@@ -1,8 +1,8 @@
 import path from 'path';
 import fs from 'fs';
 import { sync as spawnSync } from 'cross-spawn';
-import hasYarn from './has_yarn';
-import latestVersion from './latest_version';
+import { hasYarn } from './has_yarn';
+import { latestVersion } from './latest_version';
 import { commandLog, getPackageJson } from './helpers';
 
 const logger = console;
@@ -128,7 +128,7 @@ const postinstallAddon = async (addonName, isOfficialAddon) => {
   }
 };
 
-export default async function add(addonName, options) {
+export async function add(addonName, options) {
   const useYarn = Boolean(options.useNpm !== true) && hasYarn();
   const npmOptions = {
     useYarn,

lib/cli/src/detect.js

@@ -151,7 +151,7 @@ export function isStorybookInstalled(dependencies, force) {
   return false;
 }
 
-export default function detect(options) {
+export function detect(options) {
   if (options.html) {
     return types.HTML;
   }

lib/cli/src/generate.js

@@ -5,7 +5,7 @@ import didYouMean from 'didyoumean';
 import pkg from '../package.json';
 import initiate from './initiate';
 import { codeLog } from './helpers';
-import add from './add';
+import { add } from './add';
 import { migrate } from './migrate';
 
 const logger = console;

lib/cli/src/generators/MARIONETTE/index.js

@@ -1,6 +1,6 @@
 import fse from 'fs-extra';
 import path from 'path';
-import npmInit from '../../npm_init';
+import { npmInit } from '../../npm_init';
 import {
   getVersion,
   getPackageJson,

lib/cli/src/has_yarn.js

@@ -2,7 +2,7 @@ import { sync as spawnSync } from 'cross-spawn';
 import path from 'path';
 import findUp from 'find-up';
 
-export default function hasYarn() {
+export function hasYarn() {
   const yarnAvailable = spawnSync('yarn', ['--version'], { silent: true });
   const npmAvailable = spawnSync('npm', ['--version'], { silent: true });
 

lib/cli/src/helpers.js

@@ -6,10 +6,10 @@ import chalk from 'chalk';
 import { sync as spawnSync } from 'cross-spawn';
 import { gt, satisfies } from 'semver';
 import stripJsonComments from 'strip-json-comments';
-import latestVersion from './latest_version';
+import { latestVersion } from './latest_version';
 
 import { version, devDependencies } from '../package.json';
-import npmInit from './npm_init';
+import { npmInit } from './npm_init';
 
 const logger = console;
 

lib/cli/src/initiate.js

@@ -1,8 +1,8 @@
 import updateNotifier from 'update-notifier';
 import chalk from 'chalk';
 import inquirer from 'inquirer';
-import detect, { isStorybookInstalled } from './detect';
-import hasYarn from './has_yarn';
+import { detect, isStorybookInstalled } from './detect';
+import { hasYarn } from './has_yarn';
 import types, { installableProjectTypes } from './project_types';
 import {
   commandLog,

lib/cli/src/latest_version.js

@@ -1,7 +1,7 @@
 import { spawn } from 'cross-spawn';
 import { satisfies } from 'semver';
 
-export default function latestVersion(npmOptions, packageName, constraint) {
+export function latestVersion(npmOptions, packageName, constraint) {
   const packageManager = npmOptions.useYarn ? 'yarn' : 'npm';
   return new Promise((resolve, reject) => {
     const command = spawn(

lib/cli/src/npm_init.js

@@ -1,9 +1,9 @@
 import { spawn } from 'cross-spawn';
-import hasYarn from './has_yarn';
+import { hasYarn } from './has_yarn';
 
 const packageManager = hasYarn() ? 'yarn' : 'npm';
 
-export default function npmInit() {
+export function npmInit() {
   const results = spawn.sync(packageManager, ['init', '-y'], {
     cwd: process.cwd(),
     env: process.env,