EC
TS2846
TypeScriptERRORNotableTypeHIGH confidence

A declaration file cannot be imported without 'import type'. Did you mean to ...

Production Risk

Build will fail; resolve before shipping.

What this means

A type-checking error (TS2846): A declaration file cannot be imported without 'import type'. Did you mean to import an implementation file 'X' instead?. This diagnostic is emitted by the TypeScript compiler when a declaration file cannot be imported without 'import type'. Did you mean to import an implementation file 'X' instead?.

Why it happens
  1. 1The function overload signatures do not match the implementation
How to reproduce

TypeScript compiler reports TS2846 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS2846
// A declaration file cannot be imported without 'import type'. Did you mean to import an implementation file 'X' instead?

expected output

error TS2846: A declaration file cannot be imported without 'import type'. Did you mean to import an implementation file 'X' instead?

Fix

Address the TypeScript diagnostic

WHEN When this error is reported by the compiler

Address the TypeScript diagnostic
// 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.

Sources
Official documentation ↗

TypeScript Compiler Diagnostics

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