fix(babel-preset-gatsby): Show a helpful error when used in the wrong environment (#11555)
fix(babel-preset-gatsby): Show a helpful error when used in the wrong environment (#11555)


ChristopherBiscardi/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby