biome.jsonc

{
  "$schema": "https://biomejs.dev/schemas/2.2.4/schema.json",
  "vcs": {
    "enabled": true,
    "clientKind": "git",
    "useIgnoreFile": true
  },
  "files": {
    "ignoreUnknown": false
  },
  "formatter": {
    "enabled": true,
    "indentStyle": "space",
    "indentWidth": 2
  },
  "linter": {
    "enabled": true,
    "rules": {
      "recommended": true,
      "nursery": {
        "useSortedClasses": "error"
      },
      "suspicious": {
        "noExplicitAny": "warn"
      },
      "style": {
        "noRestrictedImports": {
          "options": {
            "patterns": [
              {
                "group": ["./*", "../*"],
                "message": "Relative imports are forbidden. Use path aliases instead (@api/*, @main/*, @shared/*)."
              },
              {
                "group": [
                  "**/*.js",
                  "!fuse.js",
                  "!tippy.js",
                  "!@radix-ui/**/*.js"
                ],
                "message": "Do not use .js extension in imports. TypeScript resolves extensions automatically."
              }
            ]
          }
        }
      }
    },
    "domains": {
      "react": "recommended"
    }
  },
  "javascript": {
    "formatter": {
      "quoteStyle": "double"
    },
    "parser": {
      // Required for InversifyJS @inject() parameter decorators
      "unsafeParameterDecoratorsEnabled": true
    }
  },
  "assist": {
    "enabled": true,
    "actions": {
      "source": {
        "organizeImports": "on"
      }
    }
  },
  "overrides": [
    {
      // Main-process code must not import from "electron" directly. Every Electron
      // API goes through a port in @posthog/platform, implemented by an adapter in
      // apps/code/src/main/platform-adapters/. The only files allowed to import
      // electron are the adapters and the 8 Electron host files below.
      "includes": [
        "apps/code/src/main/**/*.ts",
        "!apps/code/src/main/platform-adapters/**",
        "!apps/code/src/main/bootstrap.ts",
        "!apps/code/src/main/index.ts",
        "!apps/code/src/main/window.ts",
        "!apps/code/src/main/menu.ts",
        "!apps/code/src/main/preload.ts",
        "!apps/code/src/main/deep-links.ts",
        "!apps/code/src/main/protocols/**"
      ],
      "linter": {
        "rules": {
          "style": {
            "noRestrictedImports": {
              "level": "error",
              "options": {
                "paths": {
                  "electron": "Use a port from @posthog/platform via DI. Define new ports in packages/platform/src/ and adapters in apps/code/src/main/platform-adapters/."
                }
              }
            }
          }
        }
      }
    },
    {
      // Files using unknownAtRules
      "includes": [
        "packages/ui/src/styles/globals.css",
        "apps/mobile/global.css"
      ],
      "linter": {
        "enabled": false
      }
    },
    {
      // API client generates a lot of Any and uses codegen-specific formatting
      "includes": [
        "apps/code/src/renderer/api/generated.ts",
        "packages/api-client/src/generated.ts"
      ],
      "linter": {
        "enabled": false
      },
      "formatter": {
        "enabled": false
      }
    },
    {
      // TanStack Router generated route tree — uses `as any` and its own
      // formatting; the file header explicitly says not to lint/format it.
      "includes": ["packages/ui/src/router/routeTree.gen.ts"],
      "linter": {
        "enabled": false
      },
      "formatter": {
        "enabled": false
      },
      "assist": {
        "enabled": false
      }
    },
    {
      // Disallow console.* in Code and agent source code - use logger instead
      "includes": [
        "apps/code/src/**/*.ts",
        "apps/code/src/**/*.tsx",
        "packages/agent/src/**/*.ts"
      ],
      "linter": {
        "rules": {
          "suspicious": {
            "noConsole": "error"
          }
        }
      }
    },
    {
      // Logger implementations intentionally wrap console
      "includes": [
        "packages/agent/src/utils/logger.ts",
        "apps/code/src/main/lib/logger.ts",
        "apps/code/src/renderer/lib/logger.ts"
      ],
      "linter": {
        "rules": {
          "suspicious": {
            "noConsole": "off"
          }
        }
      }
    },
    {
      // Test files can use console for setup/debugging
      "includes": [
        "apps/code/src/test/**/*.ts",
        "apps/code/src/shared/test/**/*.ts"
      ],
      "linter": {
        "rules": {
          "suspicious": {
            "noConsole": "off"
          }
        }
      }
    },
    {
      "includes": ["packages/core/src/**/*.ts", "packages/core/src/**/*.tsx"],
      "linter": {
        "rules": {
          "style": {
            "noRestrictedImports": {
              "level": "error",
              "options": {
                "patterns": [
                  {
                    "group": [
                      "electron",
                      "react",
                      "react-dom",
                      "node:*",
                      "@posthog/*",
                      "!@posthog/shared",
                      "!@posthog/platform",
                      "!@posthog/workspace-client",
                      "!@posthog/api-client"
                    ],
                    "message": "core is a pure layer. Allowed @posthog deps: shared, platform, workspace-client, api-client. Never ui/* or workspace-server/*."
                  }
                ]
              }
            }
          }
        }
      }
    },
    {
      "includes": [
        "packages/api-client/src/**/*.ts",
        "packages/api-client/src/**/*.tsx"
      ],
      "linter": {
        "rules": {
          "style": {
            "noRestrictedImports": {
              "level": "error",
              "options": {
                "patterns": [
                  {
                    "group": [
                      "electron",
                      "node:*",
                      "@posthog/*",
                      "!@posthog/shared",
                      "!@posthog/shared/*"
                    ],
                    "message": "api-client must run in any JS environment."
                  }
                ]
              }
            }
          }
        }
      }
    },
    {
      "includes": [
        "packages/workspace-client/src/**/*.ts",
        "packages/workspace-client/src/**/*.tsx"
      ],
      "linter": {
        "rules": {
          "style": {
            "noRestrictedImports": {
              "level": "error",
              "options": {
                "patterns": [
                  {
                    "group": [
                      "electron",
                      "node:*",
                      "@posthog/*",
                      "!@posthog/api-client",
                      "!@posthog/workspace-server"
                    ],
                    "message": "workspace-client must run in any JS environment."
                  }
                ]
              }
            }
          }
        }
      }
    },
    {
      "includes": [
        "packages/platform/src/**/*.ts",
        "packages/platform/src/**/*.tsx"
      ],
      "linter": {
        "rules": {
          "style": {
            "noRestrictedImports": {
              "level": "error",
              "options": {
                "patterns": [
                  {
                    "group": ["electron", "node:*", "@posthog/*"],
                    "message": "platform is interface-only."
                  }
                ]
              }
            }
          }
        }
      }
    },
    {
      "includes": [
        "packages/workspace-server/src/**/*.ts",
        "packages/workspace-server/src/**/*.tsx"
      ],
      "linter": {
        "rules": {
          "style": {
            "noRestrictedImports": {
              "level": "error",
              "options": {
                "paths": {
                  "electron": "workspace-server must be host-agnostic."
                },
                "patterns": [
                  {
                    "group": [
                      "@posthog/ui",
                      "@posthog/api-client",
                      "@posthog/core",
                      "@posthog/workspace-client",
                      "@posthog/host-router"
                    ],
                    "message": "workspace-server must not depend on UI, the PostHog API, core, workspace-client, or host-router."
                  }
                ]
              }
            }
          }
        }
      }
    },
    {
      "includes": ["packages/ui/src/**/*.ts", "packages/ui/src/**/*.tsx"],
      "linter": {
        "rules": {
          "style": {
            "noRestrictedImports": {
              "level": "error",
              "options": {
                "patterns": [
                  {
                    "group": [
                      "electron",
                      "node:*",
                      "@posthog/*",
                      "!@posthog/core",
                      "!@posthog/api-client",
                      "!@posthog/shared",
                      "!@posthog/shared/*",
                      "!@posthog/workspace-client",
                      "!@posthog/workspace-client/client",
                      "!@posthog/platform",
                      "!@posthog/platform/*",
                      "!@posthog/quill",
                      "!@posthog/quill-charts"
                    ],
                    "message": "ui must run in any JS environment."
                  }
                ]
              }
            }
          }
        }
      }
    },
    {
      // Renderer code should use path aliases
      "includes": [
        "apps/code/src/renderer/**/*.ts",
        "apps/code/src/renderer/**/*.tsx"
      ],
      "linter": {
        "rules": {
          "style": {
            "noRestrictedImports": {
              "options": {
                "patterns": [
                  {
                    "group": ["./*", "../*"],
                    "message": "Use path aliases instead: @features/*, @components/*, @stores/*, @hooks/*, @utils/*, @renderer/*, @shared/*, @api/*"
                  },
                  {
                    "group": [
                      "**/*.js",
                      "!fuse.js",
                      "!tippy.js",
                      "!@radix-ui/**/*.js"
                    ],
                    "message": "Do not use .js extension in imports. TypeScript resolves extensions automatically."
                  }
                ]
              }
            }
          }
        }
      }
    }
  ]
}