Andrea Canciani c7d5555dfb fix(common): let case conversion pipes accept type unions with null (#36259) (#37447)
The old implementation of case conversion types can handle several
values which are not strings, but the signature did not reflect this.

The new one reports errors when falsy non-string inputs are given to
the pipe (such as `false` or `0`) and has a new signature which
instead reflects the behaviour on `null` and `undefined`.

Fixes #36259

BREAKING CHANGE:
The case conversion pipes no longer let falsy values through. They now
map both `null` and `undefined` to `null` and raise an exception on
invalid input (`0`, `false`, `NaN`) just like most "common pipes". If
your code required falsy values to pass through, you need to handle them
explicitly.

PR Close #37447
2020-09-28 12:23:32 -04:00
..

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