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Posts tagged “configuration”

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TypeScript 6.0 --moduleDetection Force: Why Your Ambient Declarations Broke and How to Fix Them

TypeScript 6.0 --moduleDetection Force: Why Your Ambient Declarations Broke and How to Fix Them

August 17, 2026

The moduleDetection: force option breaks ambient declarations by treating all .d.ts files as modules. Learn the three detection modes, why this change matters, and two proven patterns to fix your type definitions.

typescripttsconfigtype-definitions+1
TypeScript 6.0 `--isolatedModules` Is Now the Default: What Every Build Pipeline Must Change

TypeScript 6.0 `--isolatedModules` Is Now the Default: What Every Build Pipeline Must Change

August 3, 2026

TypeScript 6.0's new isolatedModules default breaks const enums, namespaces, and type-only imports. Here's how to fix your build pipeline before deployment fails.

typescriptbuild-toolscompilation+2