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Port in ES2024 #727

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Merged
merged 4 commits into from
Mar 28, 2025
Merged

Port in ES2024 #727

merged 4 commits into from
Mar 28, 2025

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jakebailey
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Pull Request Overview

This pull request ports in ES2024 support as described in microsoft/TypeScript#58573. The changes introduce new compiler targets, update library mappings and baselines, adjust error messages, and update embedded resources to incorporate the ES2024 libraries.

  • Add a new ScriptTarget (ES2024) and update corresponding enums and error messages.
  • Update library maps, baselines, and generated/embedded resources to include ES2024 libraries.
  • Adjust feature maps to reflect ES2024 additions.

Reviewed Changes

Copilot reviewed 54 out of 66 changed files in this pull request and generated no comments.

Show a summary per file
File Description
testdata/baselines/reference/submodule/conformance/callChainWithSuper(target=es2024).js Adds baseline tests for optional chaining with super calls in ES2024.
testdata/baselines/reference/config/tsconfigParsing/reports errors for wrong type option and invalid enum value with jsonSourceFile api.js Updates error message to recognize ES2024 as a valid target.
internal/tsoptions/enummaps.go Updates enum mappings to include new ES2024 library entries.
internal/core/compileroptions.go Introduces ScriptTargetES2024 to extend supported targets.
internal/compiler/program_test.go Updates test expectations for the new ES2024 libraries.
internal/checker/utilities.go Incorporates additional ES2024 features in the feature map.
internal/bundled/libs_generated.go Updates generated libraries list to include ES2024 libraries.
internal/bundled/embed_generated.go Updates embedded library resources with ES2024 entries while removing some redundant esnext entries.
Files not reviewed (12)
  • _submodules/TypeScript: Language not supported
  • testdata/baselines/reference/submodule/compiler/mapGroupBy.symbols: Language not supported
  • testdata/baselines/reference/submodule/compiler/mapGroupBy.symbols.diff: Language not supported
  • testdata/baselines/reference/submodule/compiler/objectGroupBy.errors.txt: Language not supported
  • testdata/baselines/reference/submodule/compiler/objectGroupBy.symbols: Language not supported
  • testdata/baselines/reference/submodule/compiler/objectGroupBy.symbols.diff: Language not supported
  • testdata/baselines/reference/submodule/compiler/promiseWithResolvers.symbols: Language not supported
  • testdata/baselines/reference/submodule/compiler/promiseWithResolvers.symbols.diff: Language not supported
  • testdata/baselines/reference/submodule/compiler/regExpWithOpenBracketInCharClass(target=es2015).errors.txt.diff: Language not supported
  • testdata/baselines/reference/submodule/compiler/regExpWithOpenBracketInCharClass(target=es5).errors.txt.diff: Language not supported
  • testdata/baselines/reference/submodule/compiler/regularExpressionScanning(target=es2015).errors.txt.diff: Language not supported
  • testdata/baselines/reference/submodule/compiler/regularExpressionScanning(target=es5).errors.txt.diff: Language not supported
Comments suppressed due to low confidence (2)

internal/tsoptions/enummaps.go:101

  • Please verify if mapping 'esnext.promise' to 'lib.es2024.promise.d.ts' is intentional, as it deviates from the previous pattern and might warrant establishing a separate 'es2024.promise' key.
{Key: "esnext.promise", Value: "lib.es2024.promise.d.ts"},

internal/bundled/embed_generated.go:175

  • Ensure that the removal of embedded files for 'lib.esnext.object.d.ts', 'lib.esnext.promise.d.ts', 'lib.esnext.regexp.d.ts', and 'lib.esnext.string.d.ts' does not negatively impact consumers that might still rely on these resources.
Removal of esnext.* embedded files

@jakebailey jakebailey added this pull request to the merge queue Mar 28, 2025
Merged via the queue into main with commit de4e75a Mar 28, 2025
22 checks passed
@jakebailey jakebailey deleted the jabaile/es2024 branch April 3, 2025 17:45
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2 participants