Example repository about how to set up yarn monorepo with application and packages using typescript.

To start lets install all the dependencies and build the source

yarn
yarn build

You are now good to go When accessing .ts or .svelte files VS code asks you to allow typescript version from workspace.

You need to set VScode setting:

{
    "svelte.language-server.ls-path": ".yarn/sdks/svelte-language-server/bin/server.js"
}

sveltejs/language-tools#1051

Initialize yarn project

yarn init -2

Setting up workspaces by adding following to package.json

{
    "private": true,
    "workspaces": [
        "applications/*",
        "packages/*"
    ]
}

Create an application my-api and package logger

mkdir applications/my-api
mkdir packages/logger

cd applications/my-api
yarn init

cd ..

cd packages/logger
yarn init

Configuring typescript for the project for VScode editor. https://yarnpkg.com/getting-started/editor-sdks#vscode

yarn add -D typescript
yarn dlx @yarnpkg/sdks vscode
yarn plugin import typescript

Cannot use eslint 8 until this issue is fixed yarnpkg/berry#3578

IMPORTANT After you add library to root that is used by VScode editor you need to execute yarn dlx @yarnpkg/sdks vscode command https://yarnpkg.com/getting-started/editor-sdks#editor-setup

Implementing constraints. yarn plugin import constraints

Constraints can be found from constraints.pro