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Turn off unreachable code and unused labels in tsconfig
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Danny Kim
2026-10-18 03:18:25 +09:00
parent 60c63dee98
commit 5b568f9ea6
2 changed files with 12 additions and 9 deletions
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.agents/memory/ts-only-files-and-imports.md
+9 -8
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@@ -6,16 +6,17 @@ The user's rule, from the Deno days and restated for Node (2026-10-12): "No
JS, not even JSX/TSX, only TS." Source, scripts, tests, and configs are all
plain `.ts`. Build output in a gitignored folder is the only JS.
`tsconfig.json`: no `allowJs`, no `jsx`, and exactly this strictness set
(user decision, 2026-10-18): `strict` (written out), `noUncheckedIndexedAccess`,
`tsconfig.json`: no `allowJs`, no `jsx`, and exactly this strictness set (user
decision, 2026-10-18): `strict` (written out), `noUncheckedIndexedAccess`,
`noPropertyAccessFromIndexSignature`, `noImplicitReturns`, `noUnusedLocals`,
`noUnusedParameters`, `noImplicitOverride`, `noFallthroughCasesInSwitch`,
`erasableSyntaxOnly`, plus the mechanical `verbatimModuleSyntax`,
`allowImportingTsExtensions`, and `noEmit` (packages also keep `declaration`
and `isolatedDeclarations`). `exactOptionalPropertyTypes` is off everywhere:
write `{ key: maybeUndefined }` rather than leaving the key out to please it.
If a tool or framework seems to need a JS or TSX file, stop and flag it
instead of adding one.
`erasableSyntaxOnly`, and `allowUnreachableCode: false` plus
`allowUnusedLabels: false` (user decision, 2026-10-18; on in the Deno setup),
plus the mechanical `verbatimModuleSyntax`, `allowImportingTsExtensions`, and
`noEmit` (packages also keep `declaration` and `isolatedDeclarations`).
`exactOptionalPropertyTypes` is off everywhere: write `{ key: maybeUndefined }`
rather than leaving the key out to please it. If a tool or framework seems to
need a JS or TSX file, stop and flag it instead of adding one.
## No asset imports (2026-10-14, widened 2026-10-16 and 2026-10-17)