Ensure correct eslint
version is being used.
#397
Merged
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As of 4.0.0 we require
eslint@^8.4.0
(and properly included that as a non-optional peer dependency), but unfortunately (depending on your package manager) the peer dependency isn't enforced.This brings in validate-peer-dependencies and runs it when the formatter is required/loaded. This will emit a helpful error if your
eslint
version isn't compliant with our peer dependency requirements.I noticed that
eslint
was listed as an explicit dependency (which is generally an error condition, when you usepeerDependencies
), so I moved it to dev dependencies.