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update demo flow to include dynamic link call (via linkcall node and function call)

function-call-subroutines
Steve-Mcl 2026-02-23 08:50:38 +00:00
parent c50782c334
commit 0ab6803c9a
1 changed files with 286 additions and 101 deletions
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387
packages/node_modules/@node-red/nodes/examples/common/link/03 - Link call.json vendored
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@ -1,59 +1,28 @@
[
{
"id": "62ea32aa.d73aac",
"id": "0364d0b105293afc",
"type": "comment",
"z": "6312c0588348b2d4",
"name": "Example: Link Call Node",
"info": "Link call node can call link in node then get result from link out node.",
"x": 230,
"y": 180,
"z": "2cdc739225d6a4e8",
"name": "Example: Link Call",
"info": "### Link call node\nThe `link call` node can call a `link in` node then get result from `link out` node.\nIt can be set to a fixed target or passed a `target` in the `msg` for dynamic calling.\n\n### Function link call\nA `link in` node can be called from a function using `node.linkcall`\n",
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{
"id": "c588bc36.87fec",
"id": "f0e17fb6266e3e46",
"type": "comment",
"z": "6312c0588348b2d4",
"name": "↓ call link in node",
"z": "2cdc739225d6a4e8",
"name": "↓ call link (fixed target)",
"info": "",
"x": 440,
"y": 220,
"x": 420,
"y": 120,
"wires": []
},
{
"id": "cd31efb4d2c6967e",
"type": "link call",
"z": "6312c0588348b2d4",
"name": "",
"links": [
"dbc46892c8d14c37"
],
"timeout": "30",
"x": 420,
"y": 260,
"wires": [
[
"c3db64d1d2260340"
]
]
},
{
"id": "dbc46892c8d14c37",
"type": "link in",
"z": "6312c0588348b2d4",
"name": "",
"links": [],
"x": 315,
"y": 340,
"wires": [
[
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]
]
},
{
"id": "6b61792143b3b0a3",
"id": "2869c5a483bad49f",
"type": "inject",
"z": "6312c0588348b2d4",
"z": "2cdc739225d6a4e8",
"name": "",
"props": [
{
@ -71,56 +40,18 @@
"topic": "",
"payload": "",
"payloadType": "date",
"x": 240,
"y": 260,
"x": 200,
"y": 160,
"wires": [
[
"cd31efb4d2c6967e"
"06a8cdd201630b4c"
]
]
},
{
"id": "e10575d73f2e5352",
"type": "change",
"z": "6312c0588348b2d4",
"name": "",
"rules": [
{
"t": "set",
"p": "payload",
"pt": "msg",
"to": "Hello, World!",
"tot": "str"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 450,
"y": 340,
"wires": [
[
"cf8438e7137bc0f0"
]
]
},
{
"id": "cf8438e7137bc0f0",
"type": "link out",
"z": "6312c0588348b2d4",
"name": "",
"mode": "return",
"links": [],
"x": 595,
"y": 340,
"wires": []
},
{
"id": "c3db64d1d2260340",
"id": "943afa6102c26e24",
"type": "debug",
"z": "6312c0588348b2d4",
"z": "2cdc739225d6a4e8",
"name": "",
"active": true,
"tosidebar": true,
@ -129,28 +60,282 @@
"complete": "false",
"statusVal": "",
"statusType": "auto",
"x": 600,
"y": 260,
"x": 610,
"y": 160,
"wires": []
},
{
"id": "6d077dfa0987febb",
"type": "comment",
"z": "6312c0588348b2d4",
"name": "↑called from link call node",
"info": "",
"x": 410,
"y": 380,
"id": "06a8cdd201630b4c",
"type": "link call",
"z": "2cdc739225d6a4e8",
"name": "",
"links": [
"e1b6b1fbd9b33c6d"
],
"timeout": "30",
"x": 390,
"y": 160,
"wires": [
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]
},
{
"id": "b23d2de4047ac09b",
"type": "link call",
"z": "2cdc739225d6a4e8",
"name": "",
"links": [
"e1b6b1fbd9b33c6d"
],
"linkType": "dynamic",
"timeout": "30",
"x": 380,
"y": 280,
"wires": [
[
"94c83d101ad168b0"
]
]
},
{
"id": "2706a2894820982a",
"type": "inject",
"z": "2cdc739225d6a4e8",
"name": "",
"props": [
{
"p": "payload"
},
{
"p": "target",
"v": "subroutine-1",
"vt": "str"
}
],
"repeat": "",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
"payloadType": "date",
"x": 200,
"y": 280,
"wires": [
[
"b23d2de4047ac09b"
]
]
},
{
"id": "94c83d101ad168b0",
"type": "debug",
"z": "2cdc739225d6a4e8",
"name": "",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
"statusVal": "",
"statusType": "auto",
"x": 610,
"y": 280,
"wires": []
},
{
"id": "53b9a0adfd8c4217",
"id": "57355f9fbe74f23c",
"type": "comment",
"z": "6312c0588348b2d4",
"name": "↑return to link call node",
"z": "2cdc739225d6a4e8",
"name": "↓ set msg.target",
"info": "",
"x": 680,
"y": 380,
"x": 200,
"y": 240,
"wires": []
},
{
"id": "558bf6ebcececd37",
"type": "inject",
"z": "2cdc739225d6a4e8",
"name": "",
"props": [
{
"p": "payload"
},
{
"p": "target",
"v": "subroutine-1",
"vt": "str"
}
],
"repeat": "",
"crontab": "",
"once": false,
"onceDelay": 0.1,
"topic": "",
"payload": "",
"payloadType": "date",
"x": 200,
"y": 400,
"wires": [
[
"9095bcd27e7c3bd7"
]
]
},
{
"id": "4dbf26da9c203018",
"type": "debug",
"z": "2cdc739225d6a4e8",
"name": "",
"active": true,
"tosidebar": true,
"console": false,
"tostatus": false,
"complete": "false",
"statusVal": "",
"statusType": "auto",
"x": 610,
"y": 400,
"wires": []
},
{
"id": "2b032ec174258528",
"type": "comment",
"z": "2cdc739225d6a4e8",
"name": "↓ call subroutine-1 from a function",
"info": "",
"x": 450,
"y": 360,
"wires": []
},
{
"id": "9095bcd27e7c3bd7",
"type": "function",
"z": "2cdc739225d6a4e8",
"name": "call subroutine-1",
"func": "\nconst m = await node.linkcall('subroutine-1', msg, { timeout: 1000 })\n\nreturn m;",
"outputs": 1,
"timeout": 0,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 400,
"y": 400,
"wires": [
[
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]
]
},
{
"id": "4237c6c2ee2e5c03",
"type": "comment",
"z": "2cdc739225d6a4e8",
"name": "↓ call link in (target set by msg.target)",
"info": "",
"x": 470,
"y": 240,
"wires": []
},
{
"id": "502424230fe03b8e",
"type": "group",
"z": "2cdc739225d6a4e8",
"name": "subroutine-1",
"style": {
"label": true
},
"nodes": [
"e1b6b1fbd9b33c6d",
"547ff90d37be5bfa",
"5dc4c8eee329ed86",
"37c42be69a257586",
"f2a44468d6af6018"
],
"x": 134,
"y": 499,
"w": 532,
"h": 122
},
{
"id": "e1b6b1fbd9b33c6d",
"type": "link in",
"z": "2cdc739225d6a4e8",
"g": "502424230fe03b8e",
"name": "subroutine-1",
"links": [],
"x": 175,
"y": 540,
"wires": [
[
"547ff90d37be5bfa"
]
]
},
{
"id": "547ff90d37be5bfa",
"type": "change",
"z": "2cdc739225d6a4e8",
"g": "502424230fe03b8e",
"name": "",
"rules": [
{
"t": "set",
"p": "payload",
"pt": "msg",
"to": "Hello, from subroutine-1",
"tot": "str"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 400,
"y": 540,
"wires": [
[
"5dc4c8eee329ed86"
]
]
},
{
"id": "5dc4c8eee329ed86",
"type": "link out",
"z": "2cdc739225d6a4e8",
"g": "502424230fe03b8e",
"name": "",
"mode": "return",
"links": [],
"x": 625,
"y": 540,
"wires": []
},
{
"id": "37c42be69a257586",
"type": "comment",
"z": "2cdc739225d6a4e8",
"g": "502424230fe03b8e",
"name": "↑ link node \"sunbroutine-1\"",
"info": "",
"x": 270,
"y": 580,
"wires": []
},
{
"id": "f2a44468d6af6018",
"type": "comment",
"z": "2cdc739225d6a4e8",
"g": "502424230fe03b8e",
"name": "return to caller ↑ ",
"info": "",
"x": 560,
"y": 580,
"wires": []
}
]