build: lint JS configuration files #869
Merged
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Moar linter additions. In this case, adding JavaScript configuration files (ESLint config file (:inception:) and Karma configuration files) as files to lint.
To achieve that, ESLint recommended rules are applied to JS files in root of repo.
Fixes issues about
__dirname
and__filename
. Adds Node.js globals.Renames boolean constant about using typed rules or not. This wasn't linter-triggered, as there are no types in the ESLint config file as it is a
*.mjs
, not TS file. Using TypeScript for ESLint configuration files is enabled behind a flag + requires an extra dependency. So keeping that file as JavaScript to avoid introducing complexity.