[experimental] Force strict binding by jakebailey · Pull Request #61888 · microsoft/TypeScript

Jake Bailey (jakebailey) · 2025-06-17T23:51:32Z

No description provided.

Jake Bailey (jakebailey) · 2025-06-17T23:51:41Z

TypeScript Bot (@typescript-bot) test it

TypeScript Bot (typescript-bot) · 2025-06-17T23:51:46Z

Starting jobs; this comment will be updated as builds start and complete.

Command	Status	Results
`test top400`	✅ Started	✅ Results
`user test this`	✅ Started	✅ Results
`run dt`	✅ Started	👀 Results
`perf test this faster`	✅ Started	❌ Results

TypeScript Bot (typescript-bot) · 2025-06-18T00:14:15Z

Hey Jake Bailey (@jakebailey), the results of running the DT tests are ready.

There were interesting changes:

Branch only errors:

Package: angular
Error:

Error: /mnt/vss/_work/1/DefinitelyTyped/types/angular/angular-tests.ts
631:18 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
✖ 1 problem (1 error, 0 warnings)
at combineErrorsAndWarnings (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:199:28)
at runTests (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:191:20)

Package: snapsvg
Error:

Error: /mnt/vss/_work/1/DefinitelyTyped/types/snapsvg/test/3.ts
76:18 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
83:18 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
115:18 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
263:18 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
✖ 4 problems (4 errors, 0 warnings)
at combineErrorsAndWarnings (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:199:28)
at runTests (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:191:20)

Package: lodash/v3
Error:

Error: /mnt/vss/_work/1/DefinitelyTyped/types/lodash/v3/lodash-tests.ts
10601:14 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
10604:14 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
10607:14 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
10610:14 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
10613:14 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
✖ 5 problems (5 errors, 0 warnings)
at combineErrorsAndWarnings (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:199:28)
at runTests (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:191:20)

Package: maxmsp
Error:

Error: /mnt/vss/_work/1/DefinitelyTyped/types/maxmsp/index.d.ts
10:13 error TypeScript@local compile error: Invalid use of 'arguments' in strict mode @definitelytyped/expect
✖ 1 problem (1 error, 0 warnings)
at combineErrorsAndWarnings (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:199:28)
at runTests (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:191:20)

Package: codependency
Error:

Error: /mnt/vss/_work/1/DefinitelyTyped/types/codependency/codependency-tests.ts
2:5 error TypeScript@local compile error: Identifier expected. 'package' is a reserved word in strict mode @definitelytyped/expect
5:1 error TypeScript@local compile error: Identifier expected. 'package' is a reserved word in strict mode @definitelytyped/expect
6:1 error TypeScript@local compile error: Identifier expected. 'package' is a reserved word in strict mode @definitelytyped/expect
7:1 error TypeScript@local compile error: Identifier expected. 'package' is a reserved word in strict mode @definitelytyped/expect
8:1 error TypeScript@local compile error: Identifier expected. 'package' is a reserved word in strict mode @definitelytyped/expect
9:1 error TypeScript@local compile error: Identifier expected. 'package' is a reserved word in strict mode @definitelytyped/expect
✖ 6 problems (6 errors, 0 warnings)
at combineErrorsAndWarnings (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:199:28)
at runTests (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:191:20)

Package: emscripten
Error:

Error: /mnt/vss/_work/1/DefinitelyTyped/types/emscripten/emscripten-tests.ts
27:11 error TypeScript@local compile error: Identifier expected. 'package' is a reserved word in strict mode @definitelytyped/expect
✖ 1 problem (1 error, 0 warnings)
at combineErrorsAndWarnings (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:199:28)
at runTests (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:191:20)

Package: is
Error:

Error: /mnt/vss/_work/1/DefinitelyTyped/types/is/is-tests.ts
6:5 error TypeScript@local compile error: Invalid use of 'arguments' in strict mode @definitelytyped/expect
✖ 1 problem (1 error, 0 warnings)
at combineErrorsAndWarnings (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:199:28)
at runTests (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:191:20)

Package: microsoft-ajax
Error:

Error: /mnt/vss/_work/1/DefinitelyTyped/types/microsoft-ajax/microsoft-ajax-tests.ts
94:13 error TypeScript@local compile error: Invalid use of 'arguments' in strict mode @definitelytyped/expect
✖ 1 problem (1 error, 0 warnings)
at combineErrorsAndWarnings (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:199:28)
at runTests (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:191:20)

Package: gapi.calendar
Error:

Error: /mnt/vss/_work/1/DefinitelyTyped/types/gapi.calendar/gapi.calendar-tests.ts
13:14 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
29:14 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
47:14 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
59:14 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
68:14 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
103:14 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
152:9 error TypeScript@local compile error: Cannot find name 'appendPre' @definitelytyped/expect
155:14 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
164:17 error TypeScript@local compile error: Cannot find name 'appendPre' @definitelytyped/expect
167:17 error TypeScript@local compile error: Cannot find name 'appendPre' @definitelytyped/expect
✖ 10 problems (10 errors, 0 warnings)
at combineErrorsAndWarnings (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:199:28)
at runTests (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:191:20)

Package: espruino
Error:

Error: /mnt/vss/_work/1/DefinitelyTyped/types/espruino/index.d.ts
3808:13 error TypeScript@local compile error: Invalid use of 'arguments' in strict mode @definitelytyped/expect
✖ 1 problem (1 error, 0 warnings)
at combineErrorsAndWarnings (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:199:28)
at runTests (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:191:20)

Package: flickity
Error:

Error: /mnt/vss/_work/1/DefinitelyTyped/types/flickity/flickity-tests.ts
101:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
108:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
115:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
122:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
129:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
136:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
143:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
150:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
157:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
164:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
171:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
182:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
189:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
201:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
208:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
215:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
222:22 error TypeScript@local compile error: Function declarations are not allowed inside blocks in strict mode when targeting 'ES5' @definitelytyped/expect
✖ 17 problems (17 errors, 0 warnings)
at combineErrorsAndWarnings (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:199:28)
at runTests (/mnt/vss/_work/1/DefinitelyTyped/node_modules/.pnpm/@definitelytyped+dtslint@0.2.32_typescript@5.9.0-dev.20250617/node_modules/@definitelytyped/dtslint/dist/index.js:191:20)

You can check the log here.

TypeScript Bot (typescript-bot) · 2025-06-18T00:15:43Z

Jake Bailey (@jakebailey) Here are the results of running the user tests with tsc comparing main and refs/pull/61888/merge:

Everything looks good!

TypeScript Bot (typescript-bot) · 2025-06-18T00:24:17Z

Jake Bailey (@jakebailey), the perf run you requested failed. You can check the log here.

TypeScript Bot (typescript-bot) · 2025-06-18T01:34:46Z

Jake Bailey (@jakebailey) Here are the results of running the top 400 repos with tsc comparing main and refs/pull/61888/merge:

Everything looks good!

Jake Bailey (jakebailey) · 2025-06-18T02:23:08Z

TypeScript Bot (@typescript-bot) test top999

TypeScript Bot (typescript-bot) · 2025-06-18T02:23:13Z

Starting jobs; this comment will be updated as builds start and complete.

Command	Status	Results
`test top999`	✅ Started	👀 Results

TypeScript Bot (typescript-bot) · 2025-06-18T05:38:40Z

Jake Bailey (@jakebailey) Here are the results of running the top 999 repos with tsc comparing main and refs/pull/61888/merge:

Something interesting changed - please have a look.

Details

microsoft/SandDance

18 of 26 projects failed to build with the old tsc and were ignored

packages/sanddance-embed/src/gen/tsconfig.json

error TS1212: Identifier expected. 'static' is a reserved word in strict mode.
- packages/sanddance-embed/src/deps.ts#L8
- packages/sanddance-embed/src/deps.ts#L67

Jake Bailey (jakebailey) · 2025-06-24T20:12:53Z

TypeScript Bot (@typescript-bot) perf test this faster

TypeScript Bot (typescript-bot) · 2025-06-24T20:12:58Z

Starting jobs; this comment will be updated as builds start and complete.

Command	Status	Results
`perf test this faster`	✅ Started	👀 Results

TypeScript Bot (typescript-bot) · 2025-06-24T20:57:58Z

Jake Bailey (@jakebailey)
The results of the perf run you requested are in!

Here they are:

tsc

Comparison Report - baseline..pr

_Metric	_baseline	_pr	_Delta	_Best	_Worst	_p-value
_{Compiler-Unions - node (v18.15.0, x64)}
_Errors	₃₄	₃₄	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_62,370	_62,370	_~	_~	_~	_{p=1.000 n=6}
_Types	_50,386	_50,386	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{193,506k (± 0.76%)}	_{193,492k (± 0.77%)}	_~	_192,859k	_196,543k	_{p=0.230 n=6}
_{Parse Time}	_{1.30s (± 0.79%)}	_{1.31s (± 0.62%)}	_~	_1.29s	_1.31s	_{p=0.595 n=6}
_{Bind Time}	_0.73s	_0.73s	_~	_~	_~	_{p=1.000 n=6}
_{Check Time}	_{9.69s (± 0.27%)}	_{9.69s (± 0.39%)}	_~	_9.65s	_9.75s	_{p=0.872 n=6}
_{Emit Time}	_{2.73s (± 0.82%)}	_{2.76s (± 0.53%)}	_{+0.03s (+ 0.98%)}	_2.74s	_2.78s	_{p=0.043 n=6}
_{Total Time}	_{14.46s (± 0.19%)}	_{14.48s (± 0.34%)}	_~	_14.43s	_14.56s	_{p=0.684 n=6}
_{angular-1 - node (v18.15.0, x64)}
_Errors	₅₆	₅₆	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_948,750	_948,750	_~	_~	_~	_{p=1.000 n=6}
_Types	_410,846	_410,846	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{1,224,613k (± 0.01%)}	_{1,224,577k (± 0.00%)}	_~	_1,224,492k	_1,224,651k	_{p=0.575 n=6}
_{Parse Time}	_{6.64s (± 0.82%)}	_{6.63s (± 1.11%)}	_~	_6.50s	_6.71s	_{p=1.000 n=6}
_{Bind Time}	_{1.88s (± 0.71%)}	_{1.88s (± 0.45%)}	_~	_1.86s	_1.88s	_{p=0.506 n=6}
_{Check Time}	_{31.70s (± 0.43%)}	_{31.78s (± 0.37%)}	_~	_31.67s	_31.96s	_{p=0.423 n=6}
_{Emit Time}	_{14.98s (± 0.90%)}	_{14.95s (± 0.65%)}	_~	_14.78s	_15.06s	_{p=0.521 n=6}
_{Total Time}	_{55.20s (± 0.27%)}	_{55.24s (± 0.43%)}	_~	_54.92s	_55.49s	_{p=0.872 n=6}
_{mui-docs - node (v18.15.0, x64)}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_2,509,169	_2,509,169	_~	_~	_~	_{p=1.000 n=6}
_Types	_892,704	_892,704	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{2,804,172k (± 0.00%)}	_{2,804,169k (± 0.00%)}	_~	_2,804,107k	_2,804,245k	_{p=0.689 n=6}
_{Parse Time}	_{10.66s (± 0.31%)}	_{10.67s (± 0.68%)}	_~	_10.55s	_10.73s	_{p=0.467 n=6}
_{Bind Time}	_{2.74s (± 0.76%)}	_{2.74s (± 1.29%)}	_~	_2.68s	_2.77s	_{p=0.808 n=6}
_{Check Time}	_{101.73s (± 1.02%)}	_{102.12s (± 1.63%)}	_~	_100.31s	_104.57s	_{p=0.936 n=6}
_{Emit Time}	_{0.37s (± 2.22%)}	_{0.37s (± 3.30%)}	_~	_0.35s	_0.38s	_{p=1.000 n=6}
_{Total Time}	_{115.50s (± 0.88%)}	_{115.89s (± 1.40%)}	_~	_114.14s	_118.37s	_{p=0.936 n=6}
_{self-build-src - node (v18.15.0, x64)}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_1,227,126	_1,227,126	_~	_~	_~	_{p=1.000 n=6}
_Types	_267,408	_267,408	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{2,361,866k (± 0.03%)}	_{2,361,574k (± 0.01%)}	_~	_2,361,200k	_2,361,927k	_{p=0.471 n=6}
_{Parse Time}	_{5.20s (± 0.90%)}	_{5.20s (± 0.99%)}	_~	_5.13s	_5.26s	_{p=0.936 n=6}
_{Bind Time}	_{1.81s (± 0.57%)}	_{1.80s (± 0.23%)}	_~	_1.79s	_1.80s	_{p=0.101 n=6}
_{Check Time}	_{35.32s (± 0.58%)}	_{35.16s (± 0.26%)}	_~	_35.06s	_35.28s	_{p=0.128 n=6}
_{Emit Time}	_{3.03s (± 3.19%)}	_{3.00s (± 2.96%)}	_~	_2.93s	_3.17s	_{p=0.377 n=6}
_{Total Time}	_{45.38s (± 0.55%)}	_{45.16s (± 0.28%)}	_~	_45.01s	_45.32s	_{p=0.128 n=6}
_{self-build-src-public-api - node (v18.15.0, x64)}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_1,227,126	_1,227,126	_~	_~	_~	_{p=1.000 n=6}
_Types	_267,408	_267,408	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{2,429,116k (± 0.03%)}	_{2,429,124k (± 0.02%)}	_~	_2,428,387k	_2,429,537k	_{p=1.000 n=6}
_{Parse Time}	_{5.40s (± 0.52%)}	_{5.42s (± 0.25%)}	_~	_5.40s	_5.44s	_{p=0.063 n=6}
_{Bind Time}	_{1.83s (± 0.77%)}	_{1.82s (± 0.92%)}	_~	_1.80s	_1.85s	_{p=0.251 n=6}
_{Check Time}	_{35.16s (± 0.28%)}	_{35.16s (± 0.35%)}	_~	_34.98s	_35.35s	_{p=1.000 n=6}
_{Emit Time}	_{3.02s (± 0.84%)}	_{3.10s (± 2.62%)}	_~	_3.01s	_3.22s	_{p=0.093 n=6}
_{Total Time}	_{45.41s (± 0.31%)}	_{45.50s (± 0.39%)}	_~	_45.23s	_45.70s	_{p=0.471 n=6}
_{self-compiler - node (v18.15.0, x64)}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_262,474	_262,474	_~	_~	_~	_{p=1.000 n=6}
_Types	_107,135	_107,135	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{441,699k (± 0.01%)}	_{441,710k (± 0.01%)}	_~	_441,641k	_441,788k	_{p=0.810 n=6}
_{Parse Time}	_{3.52s (± 0.86%)}	_{3.57s (± 1.11%)}	_{+0.06s (+ 1.61%)}	_3.52s	_3.64s	_{p=0.024 n=6}
_{Bind Time}	_{1.32s (± 1.14%)}	_{1.31s (± 1.22%)}	_~	_1.29s	_1.34s	_{p=0.720 n=6}
_{Check Time}	_{18.86s (± 0.46%)}	_{18.86s (± 0.16%)}	_~	_18.80s	_18.88s	_{p=0.872 n=6}
_{Emit Time}	_{1.52s (± 1.15%)}	_{1.52s (± 0.54%)}	_~	_1.51s	_1.53s	_{p=0.508 n=6}
_{Total Time}	_{25.22s (± 0.37%)}	_{25.27s (± 0.23%)}	_~	_25.21s	_25.35s	_{p=0.146 n=6}
_{ts-pre-modules - node (v18.15.0, x64)}
_Errors	₇₁	₇₁	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_225,327	_225,327	_~	_~	_~	_{p=1.000 n=6}
_Types	_94,288	_94,288	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{371,285k (± 0.05%)}	_{371,094k (± 0.02%)}	_~	_371,001k	_371,192k	_{p=0.054 n=6}
_{Parse Time}	_{2.90s (± 1.17%)}	_{2.88s (± 0.85%)}	_~	_2.85s	_2.90s	_{p=0.368 n=6}
_{Bind Time}	_{1.59s (± 1.28%)}	_{1.58s (± 0.87%)}	_~	_1.56s	_1.60s	_{p=1.000 n=6}
_{Check Time}	_{16.36s (± 0.29%)}	_{16.34s (± 0.31%)}	_~	_16.26s	_16.39s	_{p=0.573 n=6}
_{Emit Time}	_0.00s	_0.00s	_~	_~	_~	_{p=1.000 n=6}
_{Total Time}	_{20.85s (± 0.32%)}	_{20.81s (± 0.22%)}	_~	_20.73s	_20.87s	_{p=0.126 n=6}
_{vscode - node (v18.15.0, x64)}
_Errors	₃₃	₃₃	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_3,487,921	_3,487,921	_~	_~	_~	_{p=1.000 n=6}
_Types	_1,172,723	_1,172,723	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{3,536,052k (± 0.01%)}	_{3,536,239k (± 0.01%)}	_~	_3,535,840k	_3,536,433k	_{p=0.173 n=6}
_{Parse Time}	_{14.99s (± 0.50%)}	_{15.00s (± 0.33%)}	_~	_14.92s	_15.05s	_{p=1.000 n=6}
_{Bind Time}	_{4.89s (± 0.75%)}	_{4.88s (± 0.35%)}	_~	_4.85s	_4.90s	_{p=0.570 n=6}
_{Check Time}	_{95.77s (± 3.36%)}	_{96.09s (± 3.05%)}	_~	_93.47s	_101.11s	_{p=0.689 n=6}
_{Emit Time}	_{30.72s (± 3.20%)}	_{30.33s (± 2.76%)}	_~	_29.29s	_31.37s	_{p=0.689 n=6}
_{Total Time}	_{146.36s (± 2.49%)}	_{146.30s (± 2.29%)}	_~	_142.65s	_152.43s	_{p=0.810 n=6}
_{webpack - node (v18.15.0, x64)}
_Errors	₂	₂	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_317,913	_317,913	_~	_~	_~	_{p=1.000 n=6}
_Types	_137,661	_137,661	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{471,838k (± 0.03%)}	_{472,038k (± 0.03%)}	_{+200k (+ 0.04%)}	_471,890k	_472,236k	_{p=0.045 n=6}
_{Parse Time}	_{4.32s (± 0.24%)}	_{4.32s (± 0.36%)}	_~	_4.31s	_4.35s	_{p=0.397 n=6}
_{Bind Time}	_{1.76s (± 1.45%)}	_{1.78s (± 0.98%)}	_~	_1.75s	_1.80s	_{p=0.329 n=6}
_{Check Time}	_{20.53s (± 0.58%)}	_{20.68s (± 0.27%)}	_{+0.15s (+ 0.76%)}	_20.61s	_20.76s	_{p=0.020 n=6}
_{Emit Time}	_0.00s	_0.00s	_~	_~	_~	_{p=1.000 n=6}
_{Total Time}	_{26.61s (± 0.52%)}	_{26.78s (± 0.16%)}	_{+0.17s (+ 0.65%)}	_26.73s	_26.84s	_{p=0.029 n=6}
_{xstate-main - node (v18.15.0, x64)}
_Errors	₃₀	₃₀	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_667,374	_667,374	_~	_~	_~	_{p=1.000 n=6}
_Types	_198,751	_198,751	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{570,108k (± 0.00%)}	_{570,084k (± 0.01%)}	_~	_570,039k	_570,169k	_{p=0.230 n=6}
_{Parse Time}	_{5.54s (± 0.54%)}	_{5.56s (± 0.31%)}	_~	_5.53s	_5.58s	_{p=0.256 n=6}
_{Bind Time}	_{1.65s (± 0.62%)}	_{1.65s (± 1.19%)}	_~	_1.61s	_1.67s	_{p=0.720 n=6}
_{Check Time}	_{25.32s (± 0.29%)}	_{25.33s (± 0.66%)}	_~	_25.10s	_25.60s	_{p=0.936 n=6}
_{Emit Time}	_0.00s	_0.00s	_~	_~	_~	_{p=1.000 n=6}
_{Total Time}	_{32.51s (± 0.18%)}	_{32.53s (± 0.44%)}	_~	_32.34s	_32.77s	_{p=0.575 n=6}

System info unknown

Hosts

node (v18.15.0, x64)

Scenarios

Compiler-Unions - node (v18.15.0, x64)
angular-1 - node (v18.15.0, x64)
mui-docs - node (v18.15.0, x64)
self-build-src - node (v18.15.0, x64)
self-build-src-public-api - node (v18.15.0, x64)
self-compiler - node (v18.15.0, x64)
ts-pre-modules - node (v18.15.0, x64)
vscode - node (v18.15.0, x64)
webpack - node (v18.15.0, x64)
xstate-main - node (v18.15.0, x64)

_Benchmark	_Name	_Iterations
_Current	_pr	₆
_Baseline	_baseline	₆

Developer Information:

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[experimental] Force strict binding
c2eabdf

TypeScript Bot (typescript-bot) assigned Jake Bailey (jakebailey)Jun 17, 2025

TypeScript Bot (typescript-bot) added Author: Team For Uncommitted Bug PR for untriaged, rejected, closed or missing bug labels Jun 17, 2025

Bjørn Arnholtz (bjornua) mentioned this pull request Jun 23, 2025
Fixed crash in hasVisibleDeclarations related to binding elements #61352
Merged

Jake Bailey (jakebailey) closed this Jun 24, 2025

Ryan Cavanaugh (RyanCavanaugh) mentioned this pull request Jun 25, 2025
6.0 Deprecation List #54500
Open

Daniel Rosenwasser (DanielRosenwasser) mentioned this pull request Aug 5, 2025
Deprecate --useStrict & assume "use strict" everywhere by default #62213
Closed

Microsoft (microsoft) locked as resolved and limited conversation to collaborators Jan 7, 2026

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