EC
TS1262
TypeScriptERRORNotableSyntaxHIGH confidence

Identifier expected. 'X' is a reserved word at the top-level of a module.

Production Risk

Build will fail; resolve before shipping.

What this means

A syntax error (TS1262): Identifier expected. 'X' is a reserved word at the top-level of a module.. This diagnostic is emitted by the TypeScript compiler when identifier expected. 'X' is a reserved word at the top-level of a module..

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

TypeScript compiler reports TS1262 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS1262
// Identifier expected. 'X' is a reserved word at the top-level of a module.

expected output

error TS1262: Identifier expected. 'X' is a reserved word at the top-level of a module.

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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