I have attempted to execute my seed script in Prisma using Next.js and TypeScript, but I keep encountering the following error. Is there a solution to resolve this issue?

Within my package.json file, I have included the following code:

"prisma": {
    "seed": "ts-node --compiler-options {\"module\":\"CommonJS\"} prisma/seed.ts"
 }

Upon running the command npx prisma db seed

The result is as follows:

An error occurred when attempting to execute the seed command:

Error: Command failed with ENOENT: ts-node --compiler-options {"module":"CommonJS"} prisma/seed.ts
spawn ts-node ENOENT

Answer №1

If you're encountering this issue, it is likely due to the absence of ts-node. Check your package.json file to confirm if ts-node is installed.

If not found, simply install ts-node using the following command:

npm i ts-node@<specific-version>

If you are in development mode, remember to add -D flag:

npm i ts-node@<specific-version> -D

In certain scenarios, it may also be necessary to install Typescript:

npm i typescript@<version-compatible-with-your-tsnode>

Answer №2

It appears that there is an issue related to the ts-node package. One possible solution is to avoid using ts-node entirely and instead create an NPM script to compile the file with tsc directly, run it with node, and then clean up after execution.

To implement this workaround, you can add the following script to your package.json:

"db-seed": "tsc prisma/seed.ts && cat prisma/seed.js | node --input-type=\"commonjs\" && rm prisma/seed.js"

Your customized "seed" script would resemble this:

"seed": "npm run db-seed"

Answer №3

When I encountered a similar situation, my initial approach was to employ the prisma command through prisma migrate reset. However, I later discovered that the correct method involves incorporating yarn into the process by utilizing yarn prisma migrate reset.

Answer №4

To seed the database, add the following script to your package.json file:

"scripts": {
    "db:seed": "ts-node --compiler-options '{\"module\":\"CommonJS\"}' prisma/seed.ts"
  },

After adding the script, run the command below using your package manager of choice:

 pnpm run db:seed

Answer №5

I encountered this error message when I mistakenly used pnpx instead of npx. After switching to npx, the issue was resolved and it did not occur again.

Answer №6

In my personal experience, I utilized the .env.local file to load all the necessary environment variables. To accomplish this, I found it essential to incorporate the 'dotenv-cli' package that enables loading of the .local file. Subsequently, I made adjustments to the package.json by adding the following script:

"scripts":{
"db:seed": "dotenv -e .env.local -- ts-node prisma/seed.ts"
},

Finally, the next step involved executing the process using a package manager with the command:

 pnpm db:seed

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