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Reproduction steps

Compile npm-lib

  1. (cd npm-lib && npm install && npx tsc --project tsconfig.json)
  2. There should now be a compiled version of the library at npm-lib/dist

Install dependencies and copy npm-lib in functions folder

  1. (cd server/supabase/functions && npm install)
  2. (cd server/supabase/functions && npm run build)
  3. There should now be a node_modules folder and a npm-lib folder at server/supabase/functions.

Verify running works with "vanilla" deno

  1. (cd server && deno run --allow-read --allow-env supabase/functions/core-data.ts)
  2. Should output something along the lines of Hello from core data { CORE_DATA: { foo: [ 1, 2, 3 ] }, update: [Function: update] }

Works: Start supabase, serve the function and edit the function

  1. Install Supabase 1.7.0: (cd server && npm install)
  2. (cd server && npx supabase start)
  3. (cd server && npx supabase functions serve hello-npm --debug)
  4. The function should now be available, you may test it using curl -i --location --request POST 'http://localhost:54321/functions/v1/' --header 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZS1kZW1vIiwicm9sZSI6ImFub24ifQ.625_WdcF3KHqz5amU0x2X5WWHP-OEs_4qj0ssLNHzTs' --header 'Content-Type: application/json' --data '{"name":"Functions"}'
  5. Uncomment lines marked with // ### Uncomment after boot in server/supabase/functions/hello-npm/index.ts
  6. The function will automatically be reloaded, the output should read:
Hello from core data { CORE_DATA: { foo: [ 1, 2, 3 ] }, update: [Function: update] }
Hello from Functions, core data is  { foo: [ 1, 2, 3 ] }
  1. If you re-execute the above curl-command, you will see that the invocation now returns {"foo":"Functions"}. Therefore immer.js has been loaded just fine and is working as intended.

Broken: Restart the function

  1. Stop the previous functions serve instance.
  2. Start it again: (cd server && npx supabase functions serve hello-npm --debug)
  3. This will fail with loads of errors along the lines of the following:
TS2339 [ERROR]: Property 'loadavg' does not exist on type 'typeof Deno'. 'Deno.loadavg' is an unstable API. Did you forget to run with the '--unstable' flag?
  return Deno.loadavg();
              ~~~~~~~
    at https://deno.land/[email protected]/node/os.ts:171:15

TS2339 [ERROR]: Property 'osRelease' does not exist on type 'typeof Deno'. 'Deno.osRelease' is an unstable API. Did you forget to run with the '--unstable' flag?
  return Deno.osRelease();
              ~~~~~~~~~
    at https://deno.land/[email protected]/node/os.ts:185:15

TS2339 [ERROR]: Property 'systemMemoryInfo' does not exist on type 'typeof Deno'. 'Deno.systemMemoryInfo' is an unstable API. Did you forget to run with the '--unstable' flag?
  return Deno.systemMemoryInfo().total;
              ~~~~~~~~~~~~~~~~
    at https://deno.land/[email protected]/node/os.ts:231:15

Broken: Deploy