https://observablehq.com/@d3/force-directed-lattice?collection=@d3/d3-drag
there is a line
invalidation.then(() => simulation.stop());
what is this invalidation? by the console.log, it is a promise, but I don't see it defined anywhere.
What is "invalidation" in this Observablehq example?
Viewed 888
1 Answers
Observablehq loads the standard library, which provides the invalidation method. According to the documentation, invalidation is...
A promise that resolves when the current cell is re-evaluated: when the cell’s code changes, when it is run using Shift-Enter, or when a referenced input changes.
This notebook explains it in details: https://observablehq.com/@observablehq/invalidation
Related