Yet again scope and closure in JavaScript, but this time easy to digest
Imagine scope as a semitransparent bag with names of variables and functions. While in the bag you can see what is outside but nobody can look into your bag. (more…)
Read more »Idx: Easily access deeply nested nullable fields in JavaScript
At Facebook, we often need to access deeply nested values in data structures fetched with GraphQL. On the way to accessing these deeply nested values, it is common for one or more intermediate fields to be nullable. These intermediate fields may be null f… Read more