TS90019
TypeScriptERRORNotableConfigHIGH confidence
Ignore this error message
Production Risk
Build will fail; resolve before shipping.
What this means
A TypeScript diagnostic (TS90019): Ignore this error message. This diagnostic is emitted by the TypeScript compiler when ignore this error message.
Why it happens
- 1Incorrect TypeScript syntax or type usage
- 2Type mismatch between declared and actual value
How to reproduce
TypeScript compiler reports TS90019 during type checking.
trigger — this will error
trigger — this will error
// Triggers TS90019 // Ignore this error message
expected output
error TS90019: Ignore this error message
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 configWhy 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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