Support import defer #47

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opened 2025-09-03 09:38:40 +02:00 by SirPepe · 8 comments

SirPepe commented 2025-09-03 09:38:40 +02:00 (Migrated from github.com)

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This exists as of TS 5.9 and is a Stage 3 proposal:

import defer * as feature from "./some-feature.js";

Current result:

Script(ImportDeclaration(import,VariableDefinition,⚠),ExpressionStatement(VariableName,⚠),ExpressionStatement(VariableName,⚠),ExpressionStatement(VariableName,⚠),ExpressionStatement(String,";"))

This exists as of [TS 5.9](https://www.typescriptlang.org/docs/handbook/release-notes/typescript-5-9.html) and is a [Stage 3 proposal](https://github.com/tc39/proposal-defer-import-eval/): ```typescript import defer * as feature from "./some-feature.js"; ``` Current result: ``` Script(ImportDeclaration(import,VariableDefinition,⚠),ExpressionStatement(VariableName,⚠),ExpressionStatement(VariableName,⚠),ExpressionStatement(VariableName,⚠),ExpressionStatement(String,";")) ```

marijnh commented 2025-09-03 11:41:19 +02:00 (Migrated from github.com)

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Attached patch adds this.

Attached patch adds this.

❤️ 1

SirPepe commented 2025-09-03 11:50:33 +02:00 (Migrated from github.com)

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Great, thank you! This is (for once) all I have for today, you can cut a release if you like 🙃

Great, thank you! This is (for once) all I have for today, you can cut a release if you like 🙃

marijnh commented 2025-09-04 11:23:22 +02:00 (Migrated from github.com)

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I've tagged a version 1.5.2

I've tagged a version 1.5.2

👍 1

bmeurer commented 2025-09-09 10:47:13 +02:00 (Migrated from github.com)

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@marijnh I think you also need to add defer to src/highlight.js, as it's not styled as keyword with your patch.

@marijnh I think you also need to add `defer` to `src/highlight.js`, as it's not styled as keyword with your patch.

marijnh commented 2025-09-09 11:41:45 +02:00 (Migrated from github.com)

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Thanks for pointing that out. Attached patch fixes that.

Thanks for pointing that out. Attached patch fixes that.

bmeurer commented 2025-09-09 12:25:19 +02:00 (Migrated from github.com)

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Can you tag a new version with the fix please?

Can you tag a new version with the fix please?

marijnh commented 2025-09-09 12:37:05 +02:00 (Migrated from github.com)

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Of course. See 1.5.3

Of course. See 1.5.3

bmeurer commented 2025-09-09 12:54:48 +02:00 (Migrated from github.com)

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Awesome, thanks!

Awesome, thanks!

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lezer/javascript#47

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