NxでFirebase Functionsのアプリケーションを作成する その2

{
  "scripts": {
    "build": "tsc",
    "build:watch": "tsc --watch",
    "serve": "npm run build && firebase emulators:start --only functions",
    "shell": "npm run build && firebase functions:shell",
    "start": "npm run shell",
    "deploy": "firebase deploy --only functions",
    "logs": "firebase functions:log"
  },
  "engines": {
    "node": "16"
  },
  "main": "lib/index.js",
  ・・・
}

{
  "functions": {
    "predeploy": "npm --prefix \"$RESOURCE_DIR\" run build"
  }
}

"targets": {
  "build": {
    ・・・
  },
  "serve": {
    "builder": "@nrwl/workspace:run-commands",
    "options": {
      "commands": [
        {
          "command":"nx run backend:build"
        },
        {
          "command":"ts-node ./tools/scripts/generate-api-package-json.ts"
        },
        {
          "command":"firebase emulators:start --only functions --inspect-functions"
        }
      ],
      "parallel": false
    }
  },

"targets": {
  "build-node": {  //変更前のbuildをリネームしてbuild-nodeに
    ・・・
  },
  "build": {
    "builder": "@nrwl/workspace:run-commands",
    "options": {
      // build-nodeを実行後、serveで実行していたpackage.jsonの書き出しを行う
      "commands": [
        {
          "command":"nx run backend:build-node"
        },
        {
          "command":"ts-node ./tools/scripts/generate-api-package-json.ts"
        }
      ],
      "parallel": false
    }
  },
  "serve": {
    "builder": "@nrwl/workspace:run-commands",
    "options": {
      "commands": [
        {
          "command":"nx run backend:build"
        },
        {
          "command":"firebase emulators:start --only functions --inspect-functions"
        }
      ],
      "parallel": false
    }
  },

"targets": {
  ・・・
  "build": {
    ・・・
  },
  ・・・
  "deploy": {
    "builder": "@nrwl/workspace:run-commands",
    "options": {
      "commands": [
        {
          "command":"nx run backend:build"
        },
        {
          "command":"firebase deploy --only functions"
        }
      ],
      "parallel": false
    }
  },

$ npx nx run backend:deploy
 
> nx run backend:deploy
・・・
Error: There was an error deploying functions
 
 >  NX   ERROR: Something went wrong in run-commands - Command failed: firebase deploy --only functions

$ yarn add -D depcheck

import { readFileSync } from 'fs'
import { join } from 'path'
//@ts-ignore
import depcheck from 'depcheck'
import * as fs from 'fs'
import * as path from 'path'
 
const PACKAGE_JSON_TEMPLATE = {
  engines: { node: '16' },
  main: 'main.js',
}
 
async function main(): Promise<void> {
  const APPLICATION_NAME = 'backend'
  console.log(`Application name: ${APPLICATION_NAME}`)
 
  /*****************************************************************************
   * package.json
   * - Filter unused dependencies.
   * - Write custom package.json to the dist directory.
   ****************************************************************************/
  const ROOT_PATH = path.resolve(__dirname + '/../..')
  const DIST_PROJECT_PATH = `${ROOT_PATH}/dist/apps/${APPLICATION_NAME}`
 
  console.log('Creating cloud functions package.json file...')
 
  const src = readFileSync(join(ROOT_PATH, 'package.json')).toString()
  const packageJson = JSON.parse(src)
 
  // Get unused dependencies
  const { dependencies: unusedDependencies } = await depcheck(DIST_PROJECT_PATH, {
    package: {
      dependencies: packageJson.dependencies,
    },
  })
 
  // Filter dependencies
  const requiredDependencies = Object.entries(packageJson.dependencies as { [key: string]: string })
    ?.filter(([key, _value]) => !unusedDependencies?.includes(key))
    ?.reduce<{ [key: string]: string }>((previousValue, [key, value]) => {
      previousValue[key] = value
      return previousValue
    }, {})
 
  console.log(`Unused dependencies count: ${unusedDependencies?.length}`)
  console.log(`Required dependencies count: ${Object.values(requiredDependencies)?.length}`)
 
  // Write custom package.json to the dist directory
  await fs.promises.mkdir(path.dirname(DIST_PROJECT_PATH), { recursive: true })
  await fs.promises.writeFile(
    `${DIST_PROJECT_PATH}/package.json`,
    JSON.stringify(
      {
        ...PACKAGE_JSON_TEMPLATE,
        dependencies: requiredDependencies,
      },
      undefined,
      2
    )
  )
 
  console.log(`Written successfully: ${DIST_PROJECT_PATH}/package.json`)
}
 
main().then()

$ npx nx run backend:deploy
 
> nx run backend:deploy
・・・
i  functions: updating Node.js 16 function helloWorld(us-central1)...
✔  functions[helloWorld(us-central1)] Successful update operation.
Function URL (helloWorld(us-central1)): https://us-central1-<プロジェクトID>.cloudfunctions.net/helloWorld
i  functions: cleaning up build files...
 
✔  Deploy complete!

{
	"version": "0.1.0",
	"license": "MIT",
	"private": true,
	"dependencies": {
		"@apollo/client": "^3.6.9",
		"@emotion/react": "^11.10.4",
    ・・・
    },
    "main": "main.js",
	"engines": {
		"node": "16"
	}
}

{
  "engines": {
    "node": "16"
  },
  "main": "main.js",
  "dependencies": {
    "firebase-functions": "^3.23.0"
  }
}