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cflurin edited this page May 22, 2020 · 1 revision

dsm to read settings from an external file:

ext_settings

[{"id":"b5583107.705f7","type":"dsm","z":"ac4aa9f6.c24288","name":"external settings","sm_config":"{\n    \"currentState\": \"idle\",\n    \"states\": {\n        \"idle\": {\n            \"start\": \"reading\"\n        },\n        \"reading\": {\n            \"done\": \"idle\"\n        }\n    },\n    \"data\": {\n        \"ext_file\": \"ext_settings.json\"\n    },\n    \"methods\": {\n        \"init\": [\n            \"sm.fs = require('fs');\",\n            \"sm.udir = RED.settings.userDir + '/';\"\n        ],\n        \"start\": [\n            \"sm.fs.readFile(sm.udir + sm.data.ext_file, 'utf8', function(err, data) {\",\n                \"if (err) {\",\n                    \"node.error(err);\",\n                \"} else {\",\n                    \"var ext_settings = JSON.parse(data);\",\n                    \"global.set('ext_settings', ext_settings);\",\n                    \"msg.payload = ext_settings;\",\n                    \"resume('done', msg);\",\n                \"};\",\n            \"});\",\n            \"output = false;\"\n        ],\n        \"done\": [\n            \"sm.fill = 'green';\",\n            \"sm.text = 'done';\"\n        ],\n        \"status\": {\n            \"fill\": {\n                \"get\": \"sm.fill\"\n            },\n            \"shape\": \"dot\",\n            \"text\": {\n                \"get\": \"sm.text\"\n            }\n        }\n    }\n}","x":770,"y":300,"wires":[["311049db.f64e26"]]},{"id":"4fb989b1.fe0ae8","type":"inject","z":"ac4aa9f6.c24288","name":"","topic":"start","payload":"","payloadType":"date","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":560,"y":300,"wires":[["b5583107.705f7"]]},{"id":"311049db.f64e26","type":"debug","z":"ac4aa9f6.c24288","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":970,"y":300,"wires":[]}]
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