TS8023
TypeScriptERRORNotableStrictHIGH confidence

JSDoc '@X X' does not match the 'extends X' clause.

Production Risk

Build will fail; resolve before shipping.

What this means

A strict mode error (TS8023): JSDoc '@X X' does not match the 'extends X' clause.. This diagnostic is emitted by the TypeScript compiler when jSDoc '@X X' does not match the 'extends X' clause..

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

TypeScript compiler reports TS8023 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS8023
// JSDoc '@X X' does not match the 'extends X' clause.

expected output

error TS8023: JSDoc '@X X' does not match the 'extends X' clause.

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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