NestJS Monorepo中「Class extends value undefined」错误求助

在NestJS Monorepo环境下遇到编译期错误Class extends value undefined is not a constructor or null。最初误以为仅执行npx nest start <application name>时会触发该错误，后续发现执行npx nest start同样会出现问题。

已排查类层级结构，确认不存在循环依赖。将抽象基类AssetBase修改为接口后错误消失，但不清楚背后的原因，特此求助。

错误栈信息 #

export class Boiler extends AssetBase {
                            ^
TypeError: Class extends value undefined is not a constructor or null
    at Object.<anonymous> (C:\Users\...\apps\world1\src\assets\boiler.ts:13:29)
    at Module._compile (node:internal/modules/cjs/loader:1218:14)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1272:10)
    at Module.load (node:internal/modules/cjs/loader:1081:32)
    at Function.Module._load (node:internal/modules/cjs/loader:922:12)
    at Module.require (node:internal/modules/cjs/loader:1105:19)
    at require (node:internal/modules/cjs/helpers:103:18)
    at Object.<anonymous> (C:\Users\...\apps\world1\src\assets\asset-base.ts:5:1)
    at Module._compile (node:internal/modules/cjs/loader:1218:14)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1272:10)

项目nest-cli.json配置 #

{
  "monorepo": true,
  "root": "apps/world1",
  "sourceRoot": "apps/world1/src",
  "compilerOptions": {
    "webpack": false,
    "tsConfigPath": "apps/world1/tsconfig.app.json"
  },
  "projects": {
    "controller1": {
      "type": "application",
      "root": "apps/controller1",
      "entryFile": "main",
      "sourceRoot": "apps/controller1/src",
      "compilerOptions": {
        "tsConfigPath": "apps/controller1/tsconfig.app.json"
      }
    },
    "dtos": {
      "type": "library",
      "root": "libs/dtos",
      "entryFile": "index",
      "sourceRoot": "libs/dtos/src",
      "compilerOptions": {
        "tsConfigPath": "libs/dtos/tsconfig.lib.json"
      }
    },
    "world1": {
      "type": "application",
      "root": "apps/world1",
      "entryFile": "main",
      "sourceRoot": "apps/world1/src",
      "compilerOptions": {
        "tsConfigPath": "apps/world1/tsconfig.app.json"
      }
    },
    "general": {
      "type": "library",
      "root": "libs/general",
      "entryFile": "index",
      "sourceRoot": "libs/general/src",
      "compilerOptions": {
        "tsConfigPath": "libs/general/tsconfig.lib.json"
      }
    },
    "algorithm1": {
      "type": "application",
      "root": "apps/algorithm1",
      "entryFile": "main",
      "sourceRoot": "apps/algorithm1/src",
      "compilerOptions": {
        "tsConfigPath": "apps/algorithm1/tsconfig.app.json"
      }
    }
  }
}

修改前的抽象类AssetBase #

export abstract class AssetBase {
  constructor(readonly config: AssetConfigBaseDto) {}

  abstract simulationStep(
    period: Period,
    beginState?: AssetStateBaseDto,
    controls?: AssetControlsBaseDto,
  ): AssetStepResponse
}

修改后的接口AssetBase #

export interface AssetBase {
  readonly config: AssetConfigBaseDto

  simulationStep(
    period: Period,
    beginState?: AssetStateBaseDto,
    controls?: AssetControlsBaseDto,
  ): AssetStepResponse
}

内容的提问来源于stack exchange，提问作者Stefaan Vandevelde