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- Update typescript from 5.9.3 to 6.0.2 - Remove deprecated baseUrl option (migrate absolute imports to relative) - Remove esModuleInterop (always enabled in TS 6.0) - Change module from CommonJS to preserve (tsup handles bundling) - Add explicit moduleResolution: bundler (node10 deprecated) - Add explicit types: ["node"] (default changed to []) - Add ignoreDeprecations: "6.0" (needed for tsup's internal baseUrl usage) https://claude.ai/code/session_0168r2kkTqkaA39YaV2XPVac
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Summary
baseUrloption and migrate absolute imports (src/types/...) to relative imports (../types/...) in 4 stream filesesModuleInterop: true— always enabled in TS 6.0, no longer configurablemodulefromCommonJStopreserve— tsup handles the actual bundlingmoduleResolution: bundler— the implicitnode10default is deprecatedtypes: ["node"]— new default is[], which would break Node.js global type resolutionignoreDeprecations: "6.0"— needed because tsup internally usesbaseUrlfor DTS generation (can be removed once tsup ships a TS 6.0-compatible update)Test plan
npm run analyzepasses (type-checking + biome linting)npm run buildproducesdist/index.js,dist/index.mjs,dist/index.d.tsnpm run testpasses (requires EventSourcingDB container)https://claude.ai/code/session_0168r2kkTqkaA39YaV2XPVac