Using [[https://github.com/wikimedia/eslint-config-wikimedia/issues/166|upstream patch]] in `eslint-config-wikimedia` v0.12.0+ with local configuration.
Wikimedia production repos to fix ([[https://codesearch.wmcloud.org/deployed/?q=jsonlint&i=nope&files=package%5C.json&repos=|search]]):
[x] extensions / ApiFeatureUsage
[x] extensions / ArticlePlaceholder
[x] extensions / BounceHandler
[x] extensions / Calendar
[x] extensions / Capiunto
[x] extensions / CharInsert
[x] extensions / cldr
[x] extensions / CodeReview
[x] extensions / Cognate
[x] extensions / Collection
[ ] extensions / CommonsMetadata
[x] extensions / CongressLookup
[x] extensions / ContactPage (@Majavah)
[x] extensions / CreditsSource
[x] extensions / Dashiki
[x] extensions / Disambiguator
[x] extensions / DismissableSiteNotice
[ ] extensions / DoubleWiki
[x] extensions / DynamicSidebar
[x] extensions / EntitySchema
[x] extensions / EventLogging
[x] extensions / ExtensionDistributor
[x] extensions / ExternalGuidance
[ ] extensions / FeaturedFeeds
[x] extensions / FileExporter
[x] extensions / FileImporter
[x] extensions / FlaggedRevs
[x] extensions / FundraiserLandingPage
[x] extensions / FundraisingTranslateWorkflow
[x] extensions / GeoCrumbs
[x] extensions / GeoData
[x] extensions / GettingStarted
[x] extensions / GlobalBlocking
[x] extensions / GlobalPreferences
[x] extensions / GlobalUserPage
[x] extensions / GoogleNewsSitemap
[x] extensions / GrowthExperiments
[x] extensions / GuidedTour
[x] extensions / GWToolset
[x] extensions / Insider (@Majavah)
[x] extensions / intersection
[x] extensions / InterwikiSorting
[x] extensions / Jade
[x] extensions / Josa
[x] extensions / LandingCheck
[x] extensions / LdapAuthentication
[x] extensions / Linter
[x] extensions / LiquidThreads
[x] extensions / Listings
[x] extensions / LoginNotify
[x] extensions / MapSources
[x] extensions / MassMessage
[x] extensions / MobileApp
[x] extensions / Newsletter
[x] extensions / NewUserMessage (@Majavah)
[x] extensions / OAuth
[ ] extensions / ORES
[x] extensions / PagedTiffHandler
[x] extensions / PageTriage
[x] extensions / PageViewInfo
[x] extensions / Petition
[x] extensions / PoolCounter
[x] extensions / QuickSurveys
[x] extensions / Quiz
[x] extensions / ReadingLists
[x] extensions / RelatedArticles
[x] extensions / RSS
[x] extensions / SandboxLink
[x] extensions / SearchExtraNS
[x] extensions / SecureLinkFixer
[x] extensions / SecurePoll
[x] extensions / ShortUrl (@Majavah)
[x] extensions / SubPageList3
[x] extensions / SubpageSortkey
[x] extensions / TemplateSandbox
[x] extensions / TemplateStyles
[x] extensions / TemplateWizard
[x] extensions / TheWikipediaLibrary
[x] extensions / timeline
[x] extensions / TocTree
[x] extensions / TorBlock
[x] extensions / TranslationNotifications
[x] extensions / TrustedXFF (@Majavah)
[x] extensions / UploadsLink
[x] extensions / WikibaseLexeme
[x] extensions / WikibaseQualityConstraints
[x] extensions / WikidataPageBanner
[x] extensions / wikihiero
[x] extensions / WikimediaBadges
[x] extensions / WikimediaEditorTasks
[x] extensions / WikimediaIncubator
[x] extensions / Wikisource
[x] skins / CologneBlue
[x] skins / Modern
[x] skins / MonoBook
[x] skins / Nostalgia
[x] skins / Timeless @RetroCraft