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zeekayandHanzo Dev c07462242a fix: complete the TypeScript 7 tsconfig migration
The first pass left three classes of config that BOTH tsc 5.9 and tsc 7
reject. Each was proven against both compilers before changing:

  TS5090  A `paths` target must be relative once `baseUrl` is gone. The
          first pass skipped the "./" prefix wherever baseUrl pointed at
          the config's own directory, reasoning it was semantically
          equivalent. It is not — without baseUrl a non-relative target
          is rejected outright, by 5.9 as well as 7.

  TS5110  `moduleResolution: node16` requires `module: node16`. The first
          pass mapped commonjs projects to node16 resolution alone, which
          BROKE those configs for the current toolchain. Both are now set.

  TS5102  `downlevelIteration` is also removed in TS7; it was missing from
          the dead-flag list.

Verified: repos that tsc 7 previously refused (base-studio, js-sdk, kv-js)
now report zero config errors on tsc 7 AND tsc 5.9.

Co-authored-by: Hanzo Dev <[email protected]>
2026-07-27 21:36:40 -07:00

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{
// see https://www.typescriptlang.org/tsconfig to better understand tsconfigs
"include": ["src", "types"],
"compilerOptions": {
"module": "esnext",
"lib": ["dom", "esnext"],
"importHelpers": true,
// output .d.ts declaration files for consumers
"declaration": true,
// output .js.map sourcemap files for consumers
"sourceMap": true,
// match output dir to input dir. e.g. dist/index instead of dist/src/index
"rootDir": "./src",
// stricter type-checking for stronger correctness. Recommended by TS
"strict": true,
// linter checks for common issues
"noImplicitReturns": true,
"noFallthroughCasesInSwitch": true,
// noUnused* overlap with @typescript-eslint/no-unused-vars, can disable if duplicative
"noUnusedLocals": false,
"noUnusedParameters": false,
// use Node's module resolution algorithm, instead of the legacy TS one
"moduleResolution": "bundler",
// transpile JSX to React.createElement
"jsx": "react",
// interop between ESM and CJS modules. Recommended by TS
"esModuleInterop": true,
// significant perf increase by skipping checking .d.ts files, particularly those in node_modules. Recommended by TS
"skipLibCheck": true,
// error out if import and file system have a casing mismatch. Recommended by TS
"forceConsistentCasingInFileNames": true,
// `tsdx build` ignores this option, but it is commonly used when type-checking separately with `tsc`
"noEmit": true,
"resolveJsonModule": true
}
}