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Feature implementation from commits 2b88aeb..0dfd0c2 #2

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a591ca3
fix(61747): for (using of = is incorrectly parsed (#61764)
a-tarasyuk Jun 5, 2025
ac03ba4
fix(checker): report error when using bigint as enum key (#61777)
magic-akari Jun 5, 2025
cd34199
tsc --init update (#61813)
RyanCavanaugh Jun 6, 2025
a69c6d0
Add support for `import defer` proposal (#60757)
nicolo-ribaudo Jun 6, 2025
ffd98c1
feat: add Error.isError() to ESNext lib (#60788)
dirkluijk Jun 6, 2025
51dcd90
Cache mapper instantiations (#61505)
Andarist Jun 6, 2025
652ed7f
Add lib.esnext.sharedmemory (#61646)
Renegade334 Jun 6, 2025
1e24945
explicitly disallow `using` in ambient contexts (#61781)
Renegade334 Jun 6, 2025
fa2a0fc
Issue "'{0}' declarations can only be declared inside a block." for b…
Andarist Jun 6, 2025
7715955
Fix helpers emit for .cjs files in ESM module mode (#61814)
andrewbranch Jun 6, 2025
355b9e0
Avoid resolving source prop type when the target is `unknown`/`any` (…
Andarist Jun 6, 2025
97cfa26
optimization, reduce memory usage (#61822)
VincentBailly Jun 9, 2025
cb38d99
Add `--module node20` (#61805)
andrewbranch Jun 9, 2025
34d1ea6
Fix type variable leaks and cache inconsistencies (#61668)
ahejlsberg Jun 9, 2025
0dfd0c2
Restore `import defer =` parsing (#61837)
nicolo-ribaudo Jun 9, 2025
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feat: add Error.isError() to ESNext lib (microsoft#60788) 
Co-authored-by: Jake Bailey <5341706+jakebailey@users.noreply.github.com>
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@dirkluijk @jakebailey
dirkluijk and jakebailey authored Jun 6, 2025
commit ffd98c17739b07d943571005dc0eadc3b14e6c9c
1 change: 1 addition & 0 deletions src/compiler/commandLineParser.ts
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Expand Up @@ -248,6 +248,7 @@ const libEntries: [string, string][] = [
["esnext.iterator", "lib.esnext.iterator.d.ts"],
["esnext.promise", "lib.esnext.promise.d.ts"],
["esnext.float16", "lib.esnext.float16.d.ts"],
["esnext.error", "lib.esnext.error.d.ts"],
["decorators", "lib.decorators.d.ts"],
["decorators.legacy", "lib.decorators.legacy.d.ts"],
];
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1 change: 1 addition & 0 deletions src/lib/esnext.d.ts
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Expand Up @@ -7,3 +7,4 @@
/// <reference lib="esnext.iterator" />
/// <reference lib="esnext.promise" />
/// <reference lib="esnext.float16" />
/// <reference lib="esnext.error" />
6 changes: 6 additions & 0 deletions src/lib/esnext.error.d.ts
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@@ -0,0 +1,6 @@
interface ErrorConstructor {
/**
* Indicates whether the argument provided is a built-in Error instance or not.
*/
isError(error: unknown): error is Error;
}
1 change: 1 addition & 0 deletions src/lib/libs.json
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Expand Up @@ -87,6 +87,7 @@
"esnext.iterator",
"esnext.promise",
"esnext.float16",
"esnext.error",
"decorators",
"decorators.legacy",
// Default libraries
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13 changes: 13 additions & 0 deletions ...nes/reference/bundlerDirectoryModule(module=nodenext,moduleresolution=bundler).trace.json
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Expand Up @@ -1032,6 +1032,19 @@
"Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
"Directory '/node_modules' does not exist, skipping all lookups in it.",
"======== Module name '@typescript/lib-esnext/float16' was not resolved. ========",
"======== Resolving module '@typescript/lib-esnext/error' from '/.src/__lib_node_modules_lookup_lib.esnext.error.d.ts__.ts'. ========",
"Explicitly specified module resolution kind: 'Node10'.",
"Loading module '@typescript/lib-esnext/error' from 'node_modules' folder, target file types: TypeScript, Declaration.",
"Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
"Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
"Scoped package detected, looking in 'typescript__lib-esnext/error'",
"Directory '/node_modules' does not exist, skipping all lookups in it.",
"Scoped package detected, looking in 'typescript__lib-esnext/error'",
"Loading module '@typescript/lib-esnext/error' from 'node_modules' folder, target file types: JavaScript.",
"Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
"Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
"Directory '/node_modules' does not exist, skipping all lookups in it.",
"======== Module name '@typescript/lib-esnext/error' was not resolved. ========",
"======== Resolving module '@typescript/lib-dom' from '/.src/__lib_node_modules_lookup_lib.dom.d.ts__.ts'. ========",
"Explicitly specified module resolution kind: 'Node10'.",
"Loading module '@typescript/lib-dom' from 'node_modules' folder, target file types: TypeScript, Declaration.",
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15 changes: 15 additions & 0 deletions ...es/reference/bundlerDirectoryModule(module=nodenext,moduleresolution=nodenext).trace.json
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Expand Up @@ -1194,6 +1194,21 @@
"======== Module name '@typescript/lib-esnext/float16' was not resolved. ========",
"File '/.ts/package.json' does not exist according to earlier cached lookups.",
"File '/package.json' does not exist according to earlier cached lookups.",
"======== Resolving module '@typescript/lib-esnext/error' from '/.src/__lib_node_modules_lookup_lib.esnext.error.d.ts__.ts'. ========",
"Explicitly specified module resolution kind: 'Node10'.",
"Loading module '@typescript/lib-esnext/error' from 'node_modules' folder, target file types: TypeScript, Declaration.",
"Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.",
"Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
"Scoped package detected, looking in 'typescript__lib-esnext/error'",
"Directory '/node_modules' does not exist, skipping all lookups in it.",
"Scoped package detected, looking in 'typescript__lib-esnext/error'",
"Loading module '@typescript/lib-esnext/error' from 'node_modules' folder, target file types: JavaScript.",
"Searching all ancestor node_modules directories for fallback extensions: JavaScript.",
"Directory '/.src/node_modules' does not exist, skipping all lookups in it.",
"Directory '/node_modules' does not exist, skipping all lookups in it.",
"======== Module name '@typescript/lib-esnext/error' was not resolved. ========",
"File '/.ts/package.json' does not exist according to earlier cached lookups.",
"File '/package.json' does not exist according to earlier cached lookups.",
"======== Resolving module '@typescript/lib-dom' from '/.src/__lib_node_modules_lookup_lib.dom.d.ts__.ts'. ========",
"Explicitly specified module resolution kind: 'Node10'.",
"Loading module '@typescript/lib-dom' from 'node_modules' folder, target file types: TypeScript, Declaration.",
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2 changes: 1 addition & 1 deletion ...ference/config/commandLineParsing/parseCommandLine/Parse --lib option with extra comma.js
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2 changes: 1 addition & 1 deletion ...onfig/commandLineParsing/parseCommandLine/Parse --lib option with trailing white-space.js
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2 changes: 1 addition & 1 deletion ...rence/config/commandLineParsing/parseCommandLine/Parse invalid option of library flags.js
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2 changes: 1 addition & 1 deletion ...nsFromJson/Convert empty string option of libs array to compiler-options with json api.js
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Expand Up @@ -30,5 +30,5 @@ CompilerOptions::
"configFilePath": "/apath/tsconfig.json"
}
Errors::
error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'esnext.array', 'esnext.collection', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.disposable', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'esnext.decorators', 'esnext.object', 'esnext.regexp', 'esnext.iterator', 'esnext.float16', 'decorators', 'decorators.legacy'.
error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'esnext.array', 'esnext.collection', 'esnext.symbol', 'esnext.asynciterable', 'esnext.intl', 'esnext.disposable', 'esnext.bigint', 'esnext.string', 'esnext.promise', 'esnext.weakref', 'esnext.decorators', 'esnext.object', 'esnext.regexp', 'esnext.iterator', 'esnext.float16', 'esnext.error', 'decorators', 'decorators.legacy'.

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