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nest build failed: unknown field forcedOutputFileExtension #101
Description
NestJS CLI fails to compile with @swc/cli version 0.7.5
Steps:
- Create new Nest Project
nest new some-project
- Update @swc/cli to 0.7.5
- Run the project with SWC:
nest start -b swc
Error:
unknown field `forcedOutputFileExtension`, expected one of `allowTopLevelThis`, `strict`, `strictMode`, `lazy`, `importInterop`, `exportInteropAnnotation`, `noInterop`, `ignoreDynamic`, `preserveImportMeta`, `resolveFully`, `outFileExtension` at line 1 column 508
unknown field `forcedOutputFileExtension`, expected one of `allowTopLevelThis`, `strict`, `strictMode`, `lazy`, `importInterop`, `exportInteropAnnotation`, `noInterop`, `ignoreDynamic`, `preserveImportMeta`, `resolveFully`, `outFileExtension` at line 1 column 553
unknown field `forcedOutputFileExtension`, expected one of `allowTopLevelThis`, `strict`, `strictMode`, `lazy`, `importInterop`, `exportInteropAnnotation`, `noInterop`, `ignoreDynamic`, `preserveImportMeta`, `resolveFully`, `outFileExtension` at line 1 column 529
unknown field `forcedOutputFileExtension`, expected one of `allowTopLevelThis`, `strict`, `strictMode`, `lazy`, `importInterop`, `exportInteropAnnotation`, `noInterop`, `ignoreDynamic`, `preserveImportMeta`, `resolveFully`, `outFileExtension` at line 1 column 526
unknown field `forcedOutputFileExtension`, expected one of `allowTopLevelThis`, `strict`, `strictMode`, `lazy`, `importInterop`, `exportInteropAnnotation`, `noInterop`, `ignoreDynamic`, `preserveImportMeta`, `resolveFully`, `outFileExtension` at line 1 column 538
Failed to compile 5 files with swc.
Error Failed to compile:
src/app.controller.spec.ts
src/app.controller.ts
src/app.module.ts
src/app.service.ts
src/main.ts
Package.json
{
"name": "swc-cli-bug",
"version": "0.0.1",
"description": "",
"author": "",
"private": true,
"license": "UNLICENSED",
"scripts": {
"build": "nest build",
"format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
"start": "nest start",
"start:dev": "nest start --watch",
"start:debug": "nest start --debug --watch",
"start:prod": "node dist/main",
"lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
"test": "jest",
"test:watch": "jest --watch",
"test:cov": "jest --coverage",
"test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
"test:e2e": "jest --config ./test/jest-e2e.json"
},
"dependencies": {
"@nestjs/common": "^11.1.0",
"@nestjs/core": "^11.1.0",
"@nestjs/platform-express": "^11.1.0",
"reflect-metadata": "^0.2.2",
"rxjs": "^7.8.2"
},
"devDependencies": {
"@eslint/eslintrc": "^3.3.1",
"@eslint/js": "^9.26.0",
"@nestjs/cli": "^11.0.7",
"@nestjs/schematics": "^11.0.5",
"@nestjs/testing": "^11.1.0",
"@swc/cli": "^0.7.5",
"@swc/core": "^1.11.24",
"@types/express": "^5.0.1",
"@types/jest": "^29.5.14",
"@types/node": "^22.10.7",
"@types/supertest": "^6.0.3",
"eslint": "^9.26.0",
"eslint-config-prettier": "^10.1.3",
"eslint-plugin-prettier": "^5.4.0",
"globals": "^16.1.0",
"jest": "^29.7.0",
"prettier": "^3.5.3",
"source-map-support": "^0.5.21",
"supertest": "^7.1.0",
"ts-jest": "^29.3.2",
"ts-loader": "^9.5.2",
"ts-node": "^10.9.2",
"tsconfig-paths": "^4.2.0",
"typescript": "^5.8.3",
"typescript-eslint": "^8.32.0"
},
"jest": {
"moduleFileExtensions": [
"js",
"json",
"ts"
],
"rootDir": "src",
"testRegex": ".*\\.spec\\.ts$",
"transform": {
"^.+\\.(t|j)s$": "ts-jest"
},
"collectCoverageFrom": [
"**/*.(t|j)s"
],
"coverageDirectory": "../coverage",
"testEnvironment": "node"
},
"packageManager": "yarn@4.9.1"
}
It works with 0.7.3
Reacted by Nathaniel John Tampus, vlad-ostrovski, Sergey Kintsel, Domenico Gemoli, bidprime-josh, Tin Nguyen Trong, Markus Koch, Jan Bevers, Phạm Hồng Phúc, Nguyen Thanh Nhan and 3 more
Activity
kdy1 commentedon May 12, 2025
I reverted #95