tauri-workspace/tooling/create-tauri-app/src/helpers/update-package-json.ts

// Copyright 2019-2021 Tauri Programme within The Commons Conservancy
// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT

import { readFileSync, writeFileSync } from 'fs'
import { join } from 'path'

interface Package {
  name?: string
  scripts?: Record<string, string>
}

export function updatePackageJson(
  appDirectory: string,
  appName: string,
  recipeShortName: string
): void {
  const pkgPath = join(appDirectory, 'package.json')
  const pkgString = readFileSync(pkgPath, 'utf8')
  const pkg = JSON.parse(pkgString) as Package
  const outputPkg = {
    ...pkg,
    name: appName,
    scripts: {
      ...pkg.scripts,
      start: `${recipeShortName === 'cra' ? 'cross-env BROWSER=none ' : ''}${
        pkg.scripts?.start as string
      }`,
      tauri: 'tauri'
    }
  }
  writeFileSync(pkgPath, JSON.stringify(outputPkg, undefined, 2))
}