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feat(regular_expression): add Unicode 17.0 script properties Add support for 4 new scripts introduced in Unicode 17.0: - Beria_Erfe (Berf) - Sidetic (Sidt) - Tai_Yo (Tayo) - Tolong_Siki (Tols) This fixes 9 conformance tests: - 8 parser_test262 tests for Script and Script_Extensions properties - 1 minifier_node_compat test for RegExp Unicode Property Escapes Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

feat/unicode-17-script-properties

3 minutes ago

01-17-perf_mangler_turn_off_scope_tree_child_ids_for_semanticbuilder

23 minutes ago

01-17-perf_mangler_turn_off_scope_tree_child_ids_for_semanticbuilder

34 minutes ago

01-17-perf_mangler_turn_off_scope_tree_child_ids_for_semanticbuilder

45 minutes ago

01-17-perf_mangler_turn_off_scope_tree_child_ids_for_semanticbuilder

56 minutes ago

feat(parser): reparse await expressions in unambiguous mode when ESM detected (#18139) ## Summary - Implements TypeScript-compatible await expression reparsing for unambiguous mode - When `sourceType` is `unambiguous`, `await / 0 /u; export {}` now correctly parses as `await /0/u` (await expression with regex) - Follows TypeScript's two-pass approach: initially parse `await` as identifier, then reparse with await context if ESM is detected ## Test plan - Added `tasks/coverage/misc/pass/unambiguous-await-regex.js` test case - Moved `tasks/coverage/misc/fail/babel-16776-s.js` to pass (now parses as division in script mode) - All parser tests pass - Conformance tests show improvements in parser_babel and semantic_babel 🤖 Generated with [Claude Code](https://claude.com/claude-code)

main

1 hour ago

01-17-perf_mangler_turn_off_scope_tree_child_ids_for_semanticbuilder

1 hour ago

01-17-perf_mangler_turn_off_scope_tree_child_ids_for_semanticbuilder

1 hour ago

Active Branches

feat(regular_expression): add Unicode 17.0 script properties

last run

3 minutes ago

0%

perf(mangler): turn off scope_tree_child_ids for `SemanticBuilder`

last run

23 minutes ago

-4%

feat(ast): add `node_id` field to all AST struct nodes

last run

1 hour ago

-1%

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