lerna-to-typescript-project-references

0.0.6 • Public • Published

lerna-to-typescript-project-references npm version

Keep package dependencies synchronized between Lerna and TypeScript.

This simple script runs over packages in a Lerna monorepo, and matches local package dependencies to project references within TypeScript config files.

By default it'll exit and return an error when a mismatched dependency is found. This is useful for CI scenarios, where you may want to avoid merging a change where you've mistakenly added an unmatched dependency.

With the update flag set, lerna-to-typescript-project-references will update TypeScript config files to match the dependencies found in the package files.

Command Line Usage

Usage: lerna-to-typescript-project-references.js [options]

Options:
  --update [boolean]           # Whether to write updates to ts config files.
  --tsConfigFileName [string]  # Set a custom name for your ts config file.  eg. tsconfig.dist.json

Examples

With no options, and configuration file in need of updating.

> lerna-to-typescript-project-references

@example/pkg1 - 0 dependencies found.
@example/pkg2 - 1 dependencies found. All match project references in tsconfig.json.
**FAIL** - @example/pkg3 - Some dependencies didn't match.
**FAIL** - @example/pkg3 - From npm packages: ../pkg1,../pkg2
**FAIL** - @example/pkg3 - From tsconfig.json: ../pkg1
npm ERR! code ELIFECYCLE

We can see from the output that the tsconfig.json file in pkg3 is missing a reference to ../pkg2. To have lerna-to-typescript-project-references update it for us, we can run it again, with the update flag enabled.

> lerna-to-typescript-project-references --update

@example/pkg1 - 0 dependencies found.
@example/pkg2 - 1 dependencies found. All match project references in tsconfig.json.
**UPDATE** - @example/pkg3 - Some dependencies didn't match. Writing 2 dependencies to tsconfig.json.

Now if run without options again, the script completes without error since all the dependencies match.

> lerna-to-typescript-project-references --update

@example/pkg1 - 0 dependencies found.
@example/pkg2 - 1 dependencies found. All match project references in tsconfig.json.
@example/pkg3 - 2 dependencies found. All match project references in tsconfig.json.

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Install

npm i lerna-to-typescript-project-references

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Version

0.0.6

License

MIT

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  • chrismohr