crash due to a regression in nwsapi (“Unexpected error: 'h1:not(:first-of-type),…' is not a valid selector”)

[Fil]

If you experience this issue, please upgrade Observable Framework to 1.7.1 (release notes)

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see dperini/nwsapi#114

this breaks the build of any project that has nwsapi@2.2.10 (2.2.9 is OK).

[Fil]

tip from @mootari : add the following to package.json:

  "overrides": { "nwsapi": "<2.2.10" },
  "resolutions": { "nwsapi": "<2.2.10" }

this will cover both yarn and npm.
Then run yarn install / npm install again.

[mootari]

Note that 2.2.8 also has a regression (it fails for "h1,h2"), so 2.2.9 appears to be the only safe version for now.