Cannot delegate iteration to value because the 'next' method of its iterator ...
Production Risk
Build will fail; resolve before shipping.
A type-checking error (TS2766): Cannot delegate iteration to value because the 'next' method of its iterator expects type 'X', but the containing generator will always send 'X'.. This diagnostic is emitted by the TypeScript compiler when cannot delegate iteration to value because the 'next' method of its iterator expects type 'X', but the containing generator will always send 'X'..
- 1Incorrect TypeScript syntax or type usage
- 2Type mismatch between declared and actual value
TypeScript compiler reports TS2766 during type checking.
// Triggers TS2766 // Cannot delegate iteration to value because the 'next' method of its iterator expects type 'X', but the containing generator will always send 'X'.
expected output
error TS2766: Cannot delegate iteration to value because the 'next' method of its iterator expects type 'X', but the containing generator will always send 'X'.
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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