Gatsby: [EPIC]gatsby-dev-cli should handle package dependencies

[m-allanson]

gatsby-dev-cli doesn't copy over package dependencies, which means manually installing those dependencies into your test sites.

Explore how best to fix this or document a work around.

Can this be fixed with symlinking? Will that mess with yarn / npm's module resolution. What are other ways to handle this.

[pieh]

my approach currently is to npm pack package when I change dependencies and install resulting tarball in test site (which will handle dependencies) before running gatsby-dev - not cleanest and require some manual work but it does the trick

[m-allanson]

That sounds good! Would it be possible for gatsby-dev-cli to do that automatically?

[m-allanson]

Verdaccio is often used for this. This SO answer gives examples of how other project have configured it: https://stackoverflow.com/questions/50206729/how-to-test-an-npm-publish-result-without-actually-publishing-to-npm#50222427

[m-allanson]

Related tools:

• https://github.com/zkochan/package-preview
• https://github.com/whitecolor/yalc
• https://github.com/pnpm/pnpm
• https://github.com/boltpkg/bolt

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[m-allanson]

Done in [email protected] 🎉