Using CLI

Installing CLI

If entities files are in javascript

If you have a local typeorm version, make sure it matches the global version we are going to install.

You can install typeorm globally with npm i -g typeorm. You can also choose to use npx typeorm <params> for each command if you prefer not having to install it.

If entities files are in typescript

This CLI tool is written in javascript and to be run on node. If your entity files are in typescript, you will need to transpile them to javascript before using CLI. You may skip this section if you only use javascript.

You may setup ts-node in your project to ease the operation as follows:

Install ts-node:

npm install ts-node --save-dev

Add typeorm command under scripts section in package.json

"scripts": {
    ...
    "typeorm": "typeorm-ts-node-commonjs"
}

For ESM projects add this instead:

"scripts": {
    ...
    "typeorm": "typeorm-ts-node-esm"
}

If you want to load more modules like module-alias you can add more --require my-module-supporting-register

Then you may run the command like this:

npm run typeorm migration:run -- -d path-to-datasource-config

How to read the documentation?

To reduce verbosity of the documentation, the following sections are using a globally installed typeorm CLI. Depending on how you installed the CLI, you may replace typeorm at the start of the command, by either npx typeorm or npm run typeorm.

Initialize a new TypeORM project

You can create a new project with everything already setup:

typeorm init

It creates all files needed for a basic project with TypeORM:

• .gitignore

• package.json

• README.md

• tsconfig.json

• src/entity/User.ts

• src/index.ts

Then you can run npm install to install all dependencies. After that, you can run your application by running npm start.

All files are generated in the current directory. If you want to generate them in a special directory you can use --name:

typeorm init --name my-project

To specify a specific database you use you can use --database:

typeorm init --database mssql

To generate an ESM base project you can use --module esm:

typeorm init --name my-project --module esm

You can also generate a base project with Express:

typeorm init --name my-project --express

If you are using docker you can generate a docker-compose.yml file using:

typeorm init --docker

typeorm init is the easiest and fastest way to setup a TypeORM project.

Create a new entity

You can create a new entity using CLI:

typeorm entity:create path-to-entity-dir/entity

Learn more about entities.

Create a new subscriber

You can create a new subscriber using CLI:

typeorm subscriber:create path-to-subscriber-dir/subscriber

Learn more about Subscribers.

Manage migrations

• typeorm migration:create - create empty migration

• typeorm migration:generate - generate migration comparing entities with actual database schema

• typeorm migration:run - execute all migrations

• typeorm migration:revert - revert last migration

• typeorm migration:show - list all migrations with their execution status

Learn more about Migrations.

Sync database schema

To synchronize a database schema use:

typeorm schema:sync

Be careful running this command in production - schema sync may cause data loss if you don't use it wisely. Check which sql queries it will run before running on production.

Log sync database schema queries without actual running them

To check what sql queries schema:sync is going to run use:

typeorm schema:log

Drop database schema

To completely drop a database schema use:

typeorm schema:drop -- -d path-to-datasource-config

Be careful with this command on production since it completely removes data from your database.

Run any SQL query

You can execute any SQL query you want directly in the database using:

typeorm query "SELECT * FROM USERS"

Clear cache

If you are using QueryBuilder caching, sometimes you may want to clear everything stored in the cache. You can do it using the following command:

typeorm cache:clear

Check version

You can check what typeorm version you have installed (both local and global) by running:

typeorm version