Function getCallSite

test/common.js:87–98

(top)

}

function getCallSite(top) {
  const originalStackFormatter = Error.prepareStackTrace;
  Error.prepareStackTrace = (err, stack) =>
    `${stack[0].getFileName()}:${stack[0].getLineNumber()}`;
  const err = new Error();
  Error.captureStackTrace(err, top);
  // With the V8 Error API, the stack is not formatted until it is accessed
  // eslint-disable-next-line no-unused-expressions
  err.stack;
  Error.prepareStackTrace = originalStackFormatter;
  return err.stack;
}

function mustNotCall(msg) {
  const callSite = getCallSite(mustNotCall);