mix issho.build (Issho v0.1.0)

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Builds Issho's browser client into priv/static.

$ mix issho.build

This task is for work on Issho itself. An application that uses Issho gets the built files in the Hex package and does not run this task: in any project but Issho, the task stops with an error before it changes a file.

The task:

  1. Runs npm ci in assets/ when assets/node_modules is missing or assets/package-lock.json changed since the last install.
  2. Empties priv/static, so that it holds only the files of this build.
  3. Runs esbuild (the esbuild Mix package) with the :issho_esm and :issho_cjs profiles.

After the task, priv/static holds exactly the two bundles, which are the files of the Hex package. It needs npm on the path and the :esbuild dependency, which is available in the :dev environment.