Top-level await is not available in the configured target environment

[ChellappanRajan]

Command

serve

Is this a regression?

• Yes, this behavior used to work in the previous version

Description

Angular is throwing a 'Top-level await is not available' error when attempting to import the pdf-dist library.

What I have tried

I attempted to proceed with zoneLess, but the same error persists.

✘ [ERROR] Top-level await is not available in the configured target environment ("chrome123.0", "edge123.0", "firefox115.0", "ios16.0", "node22.0.0", "safari16.0" + 5 overrides)

Minimal Reproduction

https://github.com/ChellappanRajan/pdf-dist.git

Exception or Error

✘ [ERROR] Top-level await is not available in the configured target environment ("chrome123.0", "edge123.0", "firefox115.0", "ios16.0", "node22.0.0", "safari16.0" + 5 overrides)

    node_modules/pdfjs-dist/build/pdf.mjs:19764:53:
      19764 │ ...s__ = globalThis.pdfjsLib = await (globalThis.pdfjsLibPromis..

Your Environment

^18.0.0-next.0

Anything else relevant?

No response

[alan-agius4]

Duplicate of #27554

[ChellappanRajan]

Hello @alan-agius4 I noticed that the issue you mentioned have been closed as duplicates. Does this mean Angular won't be compatible with these libraries? Thank you for your assistance.

[alan-agius4]

Currently, we're not considering enabling this feature due to concerns regarding bundling correctness and potential optimization challenges, such as cross-module code motion.

That being said, we do plan to discuss this matter during our next team sync.

[ChellappanRajan]

Currently, we're not considering enabling this feature due to concerns regarding bundling correctness and potential optimization challenges, such as cross-module code motion.

That being said, we do plan to discuss this matter during our next team sync.

Thanks @alan-agius4 👍

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