EC
TS95186
TypeScriptERRORNotableConfigHIGH confidence

Variables with multiple declarations cannot be inlined.

Production Risk

Build will fail; resolve before shipping.

What this means

A TypeScript diagnostic (TS95186): Variables with multiple declarations cannot be inlined.. This diagnostic is emitted by the TypeScript compiler when variables with multiple declarations cannot be inlined..

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

TypeScript compiler reports TS95186 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS95186
// Variables with multiple declarations cannot be inlined.

expected output

error TS95186: Variables with multiple declarations cannot be inlined.

Fix

Fix the tsconfig.json option

WHEN When a compiler option is invalid or missing

Fix the tsconfig.json option
// tsconfig.json
{
  "compilerOptions": {
    // Review and correct the flagged option
  }
}
// Run: npx tsc --showConfig to see effective config

Why this works

TypeScript validates tsconfig.json options; check the official tsconfig reference for valid values.

Sources
Official documentation ↗

TypeScript Compiler Diagnostics

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