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Wasp Migrate

Official tool for migrating your Wasp project from an older to a newer version.

Usage

Migrate from Wasp 0.11 to 0.12

Run npx wasp-migrate <your-wasp-project-dir-name> in your terminal while positioned in the parent dir of your Wasp project (so one level above your Wasp project).

This will perform initial part of migrating your Wasp project from 0.11 to 0.12, but will not do the complete migration, since some steps (auth) need to be done manually.

Contributor's Corner

How it works

  • Uses Typescript.
  • Uses Rollup and Esbuild to bundle the code.
  • It specifies an npx command so it can be used with npx wasp-migrate without installing it globally.

Testing it locally

Run npm run bundle to build the code and then run the ./dist/index.js from the parent directory of the Wasp project you want to test it on.

You can additionally set WASP_MIGRATE_DEV env var to tell it to use wasp-cli instead of wasp bin.

Example (where websockets-realtime-voting is a Wasp app inside wasp/examples/ dir):

cd ~/git/wasp-lang/wasp/examples/
WASP_MIGRATE_DEV=1 ~/git/wasp-lang/wasp-migrate/dist/index.js websockets-realtime-voting/

Publishing to npm

If the version in the package.json changes on main, Github Actions it automatically publishes this package to NPM.

For this to work, we have set NPM_TOKEN in "Repository secrets" in the settings of this repo. This NPM token gives read/write access to wasp-migrate repo.