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[Bug]: ERR_REQUIRE_ESM with base setup about serwist HOT 5 CLOSED

serwist commented on May 20, 2024

[Bug]: ERR_REQUIRE_ESM with base setup

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Comments (5)

apstone commented on May 20, 2024 3

@apstone should be fixed in 8.3.0. Give it a try!

Looks to be working again for me. Thanks again @DuCanhGH

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DuCanhGH commented on May 20, 2024 1

Bloody hell.
Supporting both ESM and CJS is just so much hassle I'm not going to lie.
This was due to a change in our rollup.config.js:
Old:

[
  {
    input: "src/index.ts",
    output: [
      {
        file: "dist/index.old.cjs",
        format: "cjs",
        exports: "named",
      },
      {
        file: "dist/index.js",
        format: "esm",
      },
    ],
  },
  {
    input: "src/index.internal.ts",
    output: [
      {
        file: "dist/index.internal.old.cjs",
        format: "cjs",
        exports: "named",
      },
      {
        file: "dist/index.internal.js",
        format: "esm",
      },
    ],
  },
];

New:

{
  input: {
    index: "src/index.ts",
    "index.internal": "src/index.internal.ts",
  },
  output: [
    {
      dir: "dist",
      entryFileNames: "[name].cjs",
      format: "cjs",
      exports: "named",
    },
    {
      dir: "dist",
      entryFileNames: "[name].js",
      format: "esm",
    },
  ],
}

Turns out I also need chunkFileNames, otherwise Rollup would always use ".js" for all the chunks. What in the world.

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DuCanhGH commented on May 20, 2024 1

@apstone should be fixed in 8.3.0. Give it a try!

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apstone commented on May 20, 2024

Happy to help if you will point me in the right direction!

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apstone commented on May 20, 2024

Ahh - makes sense. I am not that familiar with this process, but appreciate your effort @DuCanhGH

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