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# durable-objects
  • k
    Yeah, I've been meaning to play w esbuild... just haven't found/made the time :p
  • k
    it's 2021... we should be beyond all this crap, haha
  • g
    I only just tried it out properly yesterday. I was very impressed though!
  • k
    w Workers or...?
  • g
    Yup.
  • k
    any trick to get it working or can i find any old guide?
  • g
    This has been tested for the 
    service-worker
    type: 
    esbuild src/index.ts --format=esm --bundle --outfile=dist/index.js
    . I think it'll pretty much just work with modules type as well.
  • g
    There's a bunch of other settings you might want to enable (e.g. 
    --minify
    and its variants), but the docs are pretty great: https://esbuild.github.io/api/#minify. And if you are using any plugins, it's pretty easy to create a small build script file à la:
    Copy code
    js
const esbuild = require("esbuild");
const alias = require("esbuild-plugin-alias");

esbuild.build({
  entryPoints: ["src/index.ts"],
  bundle: true,
  format: "esm",
  define: { "process.env.NODE_ENV": '"production"' },
  outfile: "dist/index.js",
  plugins: [
    alias({
      fs: require.resolve("./null.js"),
      crypto: require.resolve("./null.js"),
      path: require.resolve("./null.js"),
    }),
  ],
});
  • k
    build works fine (thanks for the script)... still getting an error with 
    --new-class
    flag...
  • k
  • k
    can confirm it's exporting from the built file:
  • k
  • g
    Should probably actually be 
    --outfile=dist/index.mjs
    , and make sure that's what you've also got as 
    "module": "./dist/index.mjs"
    in 
    package.json
    .
  • g
    That's promising, at least.
  • g
    Rest of the file looks sensible?
  • k
    well i've never looked at an esbuild output (looks diff from webpack output), but it def contains my code in there at least...
  • k
    got it - just had to dig through the rollup template to find the missing pieces - thanks @User!
  • g
    What was it that you needed?
  • k
    in package.json
  • k
    in wrangler.toml
  • k
    then it still wouldn't work till i wiped the extraneous crap that had been generated into the dist folder (prev attempted builds)
  • g
    Ah, great!
  • g
    And good to know esbuild does work with Durable Objects.
  • k
    yeah, zero issues
  • g
    Will 💯% be my go-to from now on
  • k
    and this is importing external libs (itty-router+extras), no prob
  • k
    yeah for sure! build in ~25ms
  • g
    Unbeatable lol
  • m
    May have to explore making an official esbuild template... that’s fast
  • w
    Hi 😁 I did read on the forum that Workers are not allowed to call each other because "The vector could potentially generate a burst attack on a target by doing a chained fetch of workers, and in the last step, a targetted fetch.". But Durable Objects are able to call each other, is there a chance that this will be disables in the future? My use-case kinda needs Durable Objects to be able to communicate with each other 😬
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