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npm · #4923 most downloaded on npm
Data-Mapper ORM for TypeScript and ES2023+. Supports MySQL/MariaDB, PostgreSQL, MS SQL Server, Oracle, SAP HANA, SQLite, MongoDB databases.
Last release today
04 Oct 2026
Ships on a steady schedule
a new release about every 8 days
Nearly every release is documented
notes for 59 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
10 years old
1295 releases · first in 2016
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fixed problem when order by is used with limit
order by is used with limitdecorators-shim.d.ts exist and does not allow to import decorators (treats like they exist in global)Nothing published for this version
One column per quarter.
breaking changes in QueryBuilder:
{ nullable: true } in relationsundefined properties are skipped in the persistence operation, as well as undefined relations.QueryBuilder:
getSingleResult() renamed to getOne()getResults() renamed to getMany()getResultsAndCount() renamed to getManyAndCount()ONaddParameters or setParameter instead.setParameters is now works just like addParameters (because previous behaviour confused users),
addParameters now is deprecatedgetOne returns Promise<Entity|undefined>Repository and EntityManager:
findOne and .findOneByIdnow returnPromise<Entity|undefined>instead ofPromise<Entity>`ES5 instead of ES6 - this allows to run it on older versions of node.jsNothing published for this version
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- lot of API refactorings - complete support TypeScript 2 - optimized schema creation - command line tools - multiple drivers support - multiple bugfi
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