Catch LevelDB OpenErrors

[juliangruber]

This is fix part one for dat-ecosystem/dat#561, next we just need to print a nice error message if /^OpenError/.test(err.message).

[yoshuawuyts]

It might perhaps be useful to use
https://github.com/dominictarr/explain-error for our error forwarding ✨

On Tue, Nov 1, 2016, 7:45 PM Julian Gruber notifications@github.com wrote:

This is fix part one for dat-ecosystem/dat#561
dat-ecosystem/dat#561, next we just need to

print a nice error message if /^OpenError/.test(err.message).

You can view, comment on, or merge this pull request online at:

https://github.com/joehand/dat-js/pull/28
Commit Summary

• forward db open errors to the dat.open() callback
• catch leveldb open errors
• add passing test for leveldb open errors

File Changes

• M index.js https://github.com/joehand/dat-js/pull/28/files#diff-0
  (2)
• M lib/db.js
  https://github.com/joehand/dat-js/pull/28/files#diff-1 (9)
• M tests/misc.js
  https://github.com/joehand/dat-js/pull/28/files#diff-2 (18)

Patch Links:

• https://github.com/joehand/dat-js/pull/28.patch
• https://github.com/joehand/dat-js/pull/28.diff

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