EC
TS6915
TypeScriptERRORNotableConfigHIGH confidence

Using --build, -b will make tsc behave more like a build orchestrator than a ...

Production Risk

Build will fail; resolve before shipping.

What this means

A compiler configuration error (TS6915): Using --build, -b will make tsc behave more like a build orchestrator than a compiler. This is used to trigger building composite projects which you can learn more about at X. This diagnostic is emitted by the TypeScript compiler when using --build, -b will make tsc behave more like a build orchestrator than a compiler. This is used to trigger building composite projects which you can learn more about at X.

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

TypeScript compiler reports TS6915 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS6915
// Using --build, -b will make tsc behave more like a build orchestrator than a compiler. This is used to trigger building composite projects which you can learn more about at X

expected output

error TS6915: Using --build, -b will make tsc behave more like a build orchestrator than a compiler. This is used to trigger building composite projects which you can learn more about at X

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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