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Facebook takes Relay JavaScript framework open source

Facebook this week is open-sourcing Relay, which provides data-fetching for React JavaScript applications. The move could open up new possibilities for the technology, Facebook engineers said.

Accessible on GitHub, Relay is a JavaScript framework for developing data-driven applications with React, Facebook’s JavaScript library for building user interfaces. “Relay is actually intended to build and do for data-fetching what React does for the user interface rendering,” said Tom Occhino, Facebook engineering manager, in an interview at this week’s @scale conference in San Jose, Calif.