Augmentations for the global scope can only be directly nested in external mo...
Production Risk
Build will fail; resolve before shipping.
A type-checking error (TS2669): Augmentations for the global scope can only be directly nested in external modules or ambient module declarations.. This diagnostic is emitted by the TypeScript compiler when augmentations for the global scope can only be directly nested in external modules or ambient module declarations..
- 1Incorrect TypeScript syntax or type usage
- 2Type mismatch between declared and actual value
TypeScript compiler reports TS2669 during type checking.
// Triggers TS2669 // Augmentations for the global scope can only be directly nested in external modules or ambient module declarations.
expected output
error TS2669: Augmentations for the global scope can only be directly nested in external modules or ambient module declarations.
Fix
Address the TypeScript diagnostic
WHEN When this error is reported by the compiler
// Run the TypeScript compiler for details: npx tsc --noEmit // Use the TypeScript playground to test your code: // https://www.typescriptlang.org/play
Why this works
Review the full error message and location; the TypeScript handbook provides guidance on each error category.
TypeScript Compiler Diagnostics
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