I have this function:
function x(arg) { return arg.split(/(?<=\p{L})(?=\P{L})|(?<=\P{L})(?=\p{L})/ug); };
It doesn't work in Safari older than 16.4 (caniuse data), because of the lookbehind assertion. Instead, it produces a syntax error (as mentioned in another question)
However, BabelJS does not transpile it and also does not warn about it. I have specified targets as: last 5 safari version. Link to babel playground
When I use babeljs with a list of targets, I assumed that the transpiled result will work on all those targets. I know there's no direct transpilation for this lookbehind. However, babeljs should at least generate a warning that the lookbehind is not supported in the targets specified.
Is there any warning flag in babeljs to enable this? Or is this usecase solvable with another tool?
