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import { devAssert } from '../jsutils/devAssert.mjs';
import { GraphQLError } from '../error/GraphQLError.mjs';
import { assertName } from '../type/assertName.mjs';
/* c8 ignore start */
/**
* Upholds the spec rules about naming.
* @deprecated Please use `assertName` instead. Will be removed in v17
*/
export function assertValidName(name) {
const error = isValidNameError(name);
if (error) {
throw error;
}
return name;
}
/**
* Returns an Error if a name is invalid.
* @deprecated Please use `assertName` instead. Will be removed in v17
*/
export function isValidNameError(name) {
typeof name === 'string' || devAssert(false, 'Expected name to be a string.');
if (name.startsWith('__')) {
return new GraphQLError(
`Name "${name}" must not begin with "__", which is reserved by GraphQL introspection.`,
);
}
try {
assertName(name);
} catch (error) {
return error;
}
}
/* c8 ignore stop */
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