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Mapbox GL Lint

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GL style spec and migration scripts for mapbox-gl-js and mapbox-gl-native.


npm install -g mapbox-gl-style-lint

Provides the utilities:

  • gl-style-migrate
  • gl-style-validate


$ gl-style-validate style.json

Will validate the given style JSON and print errors to stdout. Provide a --json flag to get JSON output.



This repo contains scripts for migrating GL styles of any version to the latest version (currently v5). Migrate a style like this:

$ gl-style-migrate bright-v0.json > bright-v5.json

To migrate a file in place, you can use the sponge utility from the moreutils package:

$ brew install moreutils
$ gl-style-migrate bright.json | sponge bright.json


To run tests:

npm install
npm test

To update test fixtures

UPDATE=true npm test