EC
TS2598
TypeScriptERRORNotableTypeHIGH confidence

'X' can only be imported by using a 'require' call or by turning on the 'esMo...

Production Risk

Build will fail; resolve before shipping.

What this means

A type-checking error (TS2598): 'X' can only be imported by using a 'require' call or by turning on the 'esModuleInterop' flag and using a default import.. This diagnostic is emitted by the TypeScript compiler when 'X' can only be imported by using a 'require' call or by turning on the 'esModuleInterop' flag and using a default import..

Why it happens
  1. 1Incorrect TypeScript syntax or type usage
  2. 2Type mismatch between declared and actual value
How to reproduce

TypeScript compiler reports TS2598 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS2598
// 'X' can only be imported by using a 'require' call or by turning on the 'esModuleInterop' flag and using a default import.

expected output

error TS2598: 'X' can only be imported by using a 'require' call or by turning on the 'esModuleInterop' flag and using a default import.

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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