SWC is not compiling prisma folder

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I'm developing a Nest.js app and I want to use the SWC for the first time. I followed the Nest.js docs instructions (+), but I've got an error.

I'm using Prisma in my project and I've created a folder prisma in the root directory, with the same level as src.
The folder structure is like this:

ROOT DIRECTORY STRUCTURE:
.
├── prisma
│   ├── migrations
│   ├── prisma.service.ts
│   └── schema.prisma
├── src
│   ├── common
│   ├── config
│   ├── modules
│   ├── types
│   ├── app.module.ts
│   ├── main.ts
│   ├── metadata.ts
│   └── schema.gpl
├── bun.lockb
├── nest-cli.json
├── package.json
├── README.md
├── tsconfig.build.json
└── tsconfig.json

I want the folder structure of dist to be the same as the root directory after compilation with SWC (i.e. the prisma and src are both compiled and on the same level) but I'm getting this:

DIST DIRECTORY STRUCTURE:
.
├── common
│   └── decorators
├── config
│   ├── environment.config.js
│   ├── environment.config.js.map
│   ├── index.js
│   └── index.js.map
├── modules
│   ├── auth
│   ├── comments
│   ├── posts
│   └── users
├── app.module.js
├── app.module.js.map
├── main.js
├── main.js.map
├── metadata.js
├── metadata.js.map
└── tsconfig.build.tsbuildinfo

Only the src is compiled and is all I can find in dist.

Here's the tsconfig.json:

{
  "compilerOptions": {
    "module": "commonjs",
    "declaration": true,
    "removeComments": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "allowSyntheticDefaultImports": true,
    "target": "ES2021",
    "sourceMap": true,
    "outDir": "./dist",
    "baseUrl": "./",
    "incremental": true,
    "skipLibCheck": true,
    "strictNullChecks": false,
    "noImplicitAny": false,
    "strictBindCallApply": false,
    "forceConsistentCasingInFileNames": false,
    "noFallthroughCasesInSwitch": false
  }
}

Here's the .swcrc:

{
  "$schema": "https://json.schemastore.org/swcrc",
  "sourceMaps": true,
  "jsc": {
    "parser": {
      "syntax": "typescript",
      "decorators": true,
      "dynamicImport": true
    },
    "baseUrl": "./"
  },
  "minify": false
}

Here's the script I use to run the project with:

scripts: {
  "start:swc": "dotenv -e .dev.env -- nest start -b swc -w --type-check",
}

Since prisma directory is not compiled, the runtime can't import anything from it inside src, and hence the error:

the error after compilation

When I run the project without SWC, everything works OK.

I've tried this answer, and it fixed the starting path of import (prisma/ to ../../../prisma/).

Why isn't SWC compiling the prisma folder?

Runtime and tools:

  • Bun - 1.0.7
  • Nest.js - 10.0.0
  • @swc/cli - 0.1.63
  • @swc/core - 1.3.96
1

There are 1 answers

2
BernalCarlos On

For SWC to compile the prisma folder, you need to compile such folder explicitly after the nest build:

nest build && swc prisma --out-dir dist