EC
TS6704
TypeScriptERRORNotableConfigHIGH confidence

Synchronously call callbacks and update the state of directory watchers on pl...

Production Risk

Build will fail; resolve before shipping.

What this means

A compiler configuration error (TS6704): Synchronously call callbacks and update the state of directory watchers on platforms that don`t support recursive watching natively.. This diagnostic is emitted by the TypeScript compiler when synchronously call callbacks and update the state of directory watchers on platforms that don`t support recursive watching natively..

Why it happens
  1. 1The type definition is circular or infinitely recursive
How to reproduce

TypeScript compiler reports TS6704 during type checking.

trigger — this will error
trigger — this will error
// Triggers TS6704
// Synchronously call callbacks and update the state of directory watchers on platforms that don`t support recursive watching natively.

expected output

error TS6704: Synchronously call callbacks and update the state of directory watchers on platforms that don`t support recursive watching natively.

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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