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Updating Yarn Dependencies and Offline Cache

When you change the yarn.lock file, you need to regenerate the offline cache to resolve dependency issues. This will not prevent you from merging changes to any branch, but will cause a failure of the mobile web build. This guide will walk you through the process.

How to update the yarn dependencies offline cache

  1. Go to flake.nix and find the node_modules section (around line 107)

  2. Around line 116 change the hash to an empty string:

# Change this line

hash = "sha256-...";

# To this
hash = "";
  1. Run the following command to build the node modules:
nix build '.?submodules=1#node_modules'
  1. The build will fail, but the output will contain a new hash value:
got:    sha256-...
  1. Copy the new hash from the error output
  2. Update the hash value in flake.nix with the new hash Run the build command again, and it should complete successfully