GitHub - stdlib-js/utils-object-inverse-by: Invert an object, such that keys become values and values become keys, according to a transform function.
Enable negative transform scale to flip objects without inverted normals · Issue #4904 · mrdoob/three.js · GitHub
![Invert" a JavaScript object hash whose values are arrays to produce a new object hash with keys... - YouTube Invert" a JavaScript object hash whose values are arrays to produce a new object hash with keys... - YouTube](https://i.ytimg.com/vi/wXzWfRhzCwg/mqdefault.jpg)