Fixes: #11878

…'s version

Node's version has special behavior for events named 'error' - if no handler, it auto-throws.  EventEmitter3 does not include this.

This fixes building all dependencies, e.g. when running `./build.sh test`
which previously failed because it didn't build all necessary targets.

Co-authored-by: Joshua Horton <[email protected]>

This makes it easier to see which part of the build fails.

Put production module and test modules in different output subdirectories.
This addresses code review comments.

Addresses code review comment.

Co-authored-by: Marc Durdin <[email protected]>

The exports of the `util.ts` can now be imported as
`@keymanapp/common-types/utils`. Those methods are used by developer.
We still export the `Uni_IsSurrogate*` methods in `main.js` because they
are needed by the keyboard-processor, but exporting everything would
increase the size of the resulting `keymanweb.js`. Doing it this way
keeps the size the same.

Missed one occurrence of `util`...

Co-authored-by: Joshua Horton <[email protected]>

Addresses code review comments and reverts eb9205f and
partially reverts 5552fdd.