mermaid/packages/parser/langium-config.json

{
  "projectName": "Mermaid",
  "languages": [
    {
      "id": "info",
      "grammar": "src/language/info/info.langium",
      "fileExtensions": [".mmd", ".mermaid"]
    },
    {
      "id": "packet",
      "grammar": "src/language/packet/packet.langium",
      "fileExtensions": [".mmd", ".mermaid"]
    },
    {
      "id": "pie",
      "grammar": "src/language/pie/pie.langium",
      "fileExtensions": [".mmd", ".mermaid"]
    }
  ],
  "mode": "production",
  "importExtension": ".js",
  "out": "src/language/generated"
}