refactor: add js type check (#4098)

.circleci/config.yml

.eslintrc.js

lib/config/decrypt.js

lib/config/massage.js

lib/config/migrate-validate.js

lib/config/migration.js

lib/config/presets.js

lib/config/validation-helpers/managers.js

lib/config/validation.js

lib/datasource/dart/index.js

lib/datasource/docker/index.js

lib/datasource/github/index.js

lib/datasource/gitlab/index.js

lib/datasource/go/index.js

lib/datasource/hex/index.js

lib/datasource/maven/index.js

lib/datasource/metadata.js

lib/datasource/npm/npmrc.js

lib/datasource/npm/presets.js

lib/datasource/npm/releases.js