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eliminate expensive dependencies for apps in the workspace that do not need `caf_iot_gatt`, the packages `@abandonware/noble@^1.9.2-7`, `readable-stream@^2.3.7`, and `@abandonware/bluetooth-hci-socket@^0.5.3-1`have been declared as optional dependencies even though they are always needed.\n\nApplications that depend on `caf_iot_gatt` should also include these dependencies in package.json as normal dependencies.\n\n\n## API\n\n    lib/proxy_iot_gatt.js\n\n## Configuration Example\n\n### iot.json\n```\n    {\n            \"module\": \"caf_iot_gatt#plug_iot\",\n            \"name\": \"gatt\",\n            \"description\": \"Access BLE GATT services.\",\n            \"env\" : {\n                \"maxRetries\" : \"$._.env.maxRetries\",\n                \"retryDelay\" : \"$._.env.retryDelay\",\n                \"findCharactTimeout\" : \"process.env.FIND_CHARACT_TIMEOUT||4000\",\n                \"RWCharactTimeout\" : \"process.env.RW_CHARACT_TIMEOUT||2000\"\n            },\n            \"components\" : [\n                {\n                    \"module\": \"caf_iot_gatt#proxy_iot\",\n                    \"name\": \"proxy\",\n                    \"description\": \"Proxy to access GATT services.\",\n                    \"env\" : {\n                    }\n                }\n            ]\n    }\n```\n## Debugging Web Bluetooth API on Chrome\n\nThe Web Bluetooth API is only available with `https` or a `localhost` address, and it will not work with our usual `http://*.localtest.me` local address.\n\nIt is also blocked for cross-origin iframes, and the app needs to be in its own tab. This is the reason all the examples (see `caf_helloiotbrowser2`) spawn a new page when Bluetooth activates.\n\nIn the rest of this discussion we are referring to the URL of this new page, e.g., `http://root-helloiotbrowser2.localtest.me/...`.\n\nIn Chrome (and only in Chrome) you can have subdomains in localhost, e.g., `root-helloiotbrowser2.localhost`, and they correctly resolve to the local interface. When running in local mode, i.e., after `cafjs run`, the application is always exposed on local port 3003.\n\nTherefore, a hack to get Web Bluetooth API to work in local mode is as follows:\n\n-Run your app locally as usual, spawn the window with Bluetooth code. It will have an address of the form `http://root-\u003capp\u003e.localtest.me/...\u0026token=...`\n\n-Replace `localtest.me` by `localhost:3003` in the Chrome address bar and reload. Leave the rest of the URL as it is, e.g.:\n```\n    http://root-\u003capp\u003e.localhost:3003/... \u0026token=...\n```\nAnd now Web Bluetooth is working!\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcafjs%2Fcaf_iot_gatt","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcafjs%2Fcaf_iot_gatt","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcafjs%2Fcaf_iot_gatt/lists"}