process.traceProcessWarnings

The process.traceProcessWarnings property indicates whether the --trace-warnings flag is set on the current Node.js process. This property allows programmatic control over the tracing of warnings, enabling or disabling stack traces for warnings at runtime.

// Enable trace warnings
process.traceProcessWarnings = true;

// Emit a warning with a stack trace
process.emitWarning('Warning with stack trace');

// Disable trace warnings
process.traceProcessWarnings = false;