Add pnpm v10 install allowlist pnpm.onlyBuiltDependencies instructions

[MikeMcC399]

• closes pnpm v10 blocks Cypress binary installation by default #6069

Issue

[email protected], released Jan 7, 2025 includes a breaking change:

Lifecycle scripts of dependencies are not executed during installation by default!

cypress needs to be added to the allowlist for pnpm life cycle scripts in package.json, for instance using the following:

  "pnpm": {
    "onlyBuiltDependencies": ["cypress"]
  }

Change

The installation instructions for Cypress with pnpm are updated to include references to the pnpm documentation:

• pnpm package.json
• pnpm.onlyBuiltDependencies
• pnpm.onlyBuiltDependenciesFile

Note

Currently, executing npm install pnpm@latest --global installs pnpm@9.

The pnpm installation document instructions for using npm currently lists npm install -g pnpm@latest-10 for pnpm@10.

According to the pnpm maintainer https://github.com/orgs/pnpm/discussions/8945#discussioncomment-11775139 this is for a temporary burn-in period. Sooner or later pnpm@latest will be equivalent to [email protected].

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