lerna add : No packages found where <package> can be added

user_3469668 0
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have added lerna to my project, i have added a package to my server by running this command successfully:

 lerna add  @types/express --dev

But when I want to add another one:

lerna add graphql class-validator type-graphql

I got this error :

info cli using local version of lerna
lerna notice cli v3.22.1
lerna WARN No packages found where graphql can be added.
  1. Is something missed or wrong for adding the packages?
  2. Should I use yarn add instead of leran add? looks it works but I doubt about the packages tree form to be correct
lerna yarnpkg npm-install
3 Answers

At the moment, lerna doesn't support adding multiple packages to another package like so:

āŒ lerna add '@my-company/{utils,types}' --scope '@my-company/ui' 

// We have to do this instead
lerna add '@my-company/utils' --scope '@my-company/ui' 
lerna add '@my-company/types' --scope '@my-company/ui'

Lerna does support adding 1 package into multiple packages though:

lerna add '@my-company/utils --scope '@my-company/{ui,data}'

lerna's github discussion on this issue for updates (link)

user_29717950

Lerna add does not support multiple packages, try doing one at a time.

lerna add graphql
lerna add class-validator
lerna add type-graphql

There is an issue to support this on github that will hopefully be resolved one day

user_923340

Foreword: The lerna cli is notoriously bad at giving feedback. You get weird errors and warnings that don't seem to make a lot of sense in the context.

Why is this happening?

I identified the following causes (at one point or another) to all result in this error message:

  1. You already added the package to given package.
    • This is somewhat irritating, since with yarn and npm you can (force) re-install a package, instead of having it error out.
  2. You tried to add multiple packages in one command (this is also mentioned in other answers and comments here).
user_22287710
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