Feature implementation from commits b86ab7d..7715955

[codeOwlAI]

This PR contains changes from a range of commits from the original repository.

Commit Range: b86ab7d..7715955
Files Changed: 377 (161 programming files)
Programming Ratio: 42.7%

Commits included:

• Fix helpers emit for .cjs files in ESM module mode (Fix helpers emit for .cjs files in ESM module mode microsoft/TypeScript#61814)
• Issue "'{0}' declarations can only be declared inside a block." for block-scoped variables in presence of parse errors (Issue "'{0}' declarations can only be declared inside a block." for block-scoped variables in presence of parse errors microsoft/TypeScript#61824)
• explicitly disallow using in ambient contexts (explicitly disallow using in ambient contexts microsoft/TypeScript#61781)
• Add lib.esnext.sharedmemory (Add lib.esnext.sharedmemory microsoft/TypeScript#61646)
• Cache mapper instantiations (Cache mapper instantiations microsoft/TypeScript#61505)
• feat: add Error.isError() to ESNext lib (feat: add Error.isError() to ESNext lib microsoft/TypeScript#60788)
• Add support for import defer proposal (Add support for import defer proposal microsoft/TypeScript#60757)
• tsc --init update (tsc --init update microsoft/TypeScript#61813)
• fix(checker): report error when using bigint as enum key (fix(checker): report error when using bigint as enum key microsoft/TypeScript#61777)
• fix(61747): for (using of = is incorrectly parsed (fix(61747): for (using of = is incorrectly parsed microsoft/TypeScript#61764)
  ... and 5 more commits