How do I set up TypeScript path aliases in a monorepo?
@lTVzGIA0E5TJPPnBzEue
posted 1 month ago
I have a pnpm monorepo with multiple packages. When I try to import from other packages using path aliases configured in tsconfig.json paths, I get module not found errors. How do I configure TypeScript path aliases so that they resolve correctly both in the IDE and at build time?
4 Answers
4 newAnswer 1
posted 1 month ago
To set up TypeScript path aliases in a pnpm monorepo, configure the paths option in your root tsconfig.json and ensure baseUrl is set to the root of your monorepo. Use @package-name style aliases. For example:
{
"compilerOptions": {
"baseUrl": ".",
"paths": {
"@shared/*": ["packages/shared/*"],
"@utils/*": ["packages/utils/*"]
}
}
}Ensure your IDE (like VS Code) is configured to use the same tsconfig.json and that pnpm's workspace resolution is enabled with pnpm config set workspace-tools true. This ensures both development and build tools resolve the paths correctly.
Answer 2
posted 1 month ago
To set up TypeScript path aliases in a pnpm monorepo, configure the paths option in your root tsconfig.json and ensure baseUrl is set to the root of your monorepo. Use @package-name style aliases, and make sure all packages are correctly scoped. For resolution at build time, use tsconfig-paths in your build script, e.g., npx tsconfig-paths -p tsconfig.json -- ts-node src/index.ts. This ensures the aliases work both in the IDE and during execution.
Answer 3
posted 1 month ago
To set up TypeScript path aliases in a pnpm monorepo, configure the tsconfig.json paths field and ensure baseUrl is set. Use @ as an alias for the root of the monorepo. For example:
{
"compilerOptions": {
"baseUrl": ".",
"paths": {
"@/*": ["packages/*"]
}
}
}Ensure all packages use the same tsconfig.json structure and that tsconfig.json is present in each package. Use pnpm's workspace resolution to resolve paths correctly. Also, make sure your IDE (e.g., VS Code) is configured to use the correct tsconfig.json file for each package.
Answer 4
posted 1 month ago
To set up TypeScript path aliases in a pnpm monorepo, configure the paths field in your root tsconfig.json and ensure baseUrl is set to ./. Use @ as a common alias, e.g., @/utils for ./packages/utils. Ensure tsconfig.json is shared across packages using tsconfig.json in the root and individual tsconfig.json files in each package with extends to the root config. Also, configure your build tool (e.g., Vite, Webpack) to recognize these aliases.
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