typeorm
Version:
Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.
33 lines (31 loc) • 1.25 kB
JavaScript
/**
* Helper utility functions for QueryBuilder.
*/
var QueryBuilderUtils = /** @class */ (function () {
function QueryBuilderUtils() {
}
/**
* Checks if given value is a string representation of alias property,
* e.g. "post.category" or "post.id".
*/
QueryBuilderUtils.isAliasProperty = function (str) {
// alias property must be a string and must have a dot separator
if (typeof str !== "string" || str.indexOf(".") === -1)
return false;
// extra alias and its property relation
var _a = str.split("."), aliasName = _a[0], propertyName = _a[1]; // todo: what about relations in embedded?
if (!aliasName || !propertyName)
return false;
// alias and property must be represented in a special format
// const aliasNameRegexp = /^[a-zA-Z0-9_-]+$/;
// if (!aliasNameRegexp.test(aliasName) || !aliasNameRegexp.test(propertyName))
// return false;
// make sure string is not a subquery
if (str.indexOf("(") !== -1 || str.indexOf(")") !== -1)
return false;
return true;
};
return QueryBuilderUtils;
}());
export { QueryBuilderUtils };
//# sourceMappingURL=QueryBuilderUtils.js.map