{
  "nodes": [
    {
      "id": "check-twitch-stream-live-0",
      "name": "Document",
      "type": "n8n-nodes-base.set",
      "position": [
        -600,
        240
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "dba7b91b-17e3-4096-92aa-a6e5fe60eb55",
              "name": "twitch",
              "type": "string",
              "value": "YOUR-TWITCH-USERNAME"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "check-twitch-stream-live-1",
      "name": "Twitch GraphQL",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -380,
        240
      ],
      "parameters": {
        "url": "=https://api.twitch.tv/helix/streams?user_login={{ encodeURIComponent($json.twitch) }}",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Client-Id",
              "value": "YOUR_CLIENT_ID"
            }
          ]
        },
        "options": {}
      },
      "typeVersion": 4.2
    },
    {
      "id": "check-twitch-stream-live-2",
      "name": "Is Online",
      "type": "n8n-nodes-base.if",
      "position": [
        -160,
        240
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "311e3b31-03e7-4763-8b4a-ebc9a18b77fd",
              "operator": {
                "type": "boolean",
                "operation": "true",
                "singleValue": true
              },
              "leftValue": "={{ $json.data.user.stream !== null }}",
              "rightValue": ""
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "check-twitch-stream-live-3",
      "name": "When clicking ‘Test workflow’",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        -860,
        240
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "check-twitch-stream-live-4",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -680,
        40
      ],
      "parameters": {
        "content": "The document node serves as sample source for `twitch` username to check\n"
      },
      "typeVersion": 1
    },
    {
      "id": "check-twitch-stream-live-5",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -460,
        420
      ],
      "parameters": {
        "content": "the value of `client-id` parameter is a fixed known value used by twitch for anonymous call used in their website\n"
      },
      "typeVersion": 1
    },
    {
      "id": "check-twitch-stream-live-6",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -240,
        40
      ],
      "parameters": {
        "content": "we need only to check the value of `stream` if `null` to know if the user offline. Any value will denote the user is online"
      },
      "typeVersion": 1
    },
    {
      "id": "check-twitch-stream-live-7",
      "name": "Map stream response",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        -280,
        400
      ],
      "parameters": {
        "jsCode": "return $input.all().map(item => { const data=item.json.data; if (!Array.isArray(data) || data.length > 1) throw new Error('Unexpected Twitch response'); const x=data[0]; if (x && (typeof x.id !== 'string' || typeof x.viewer_count !== 'number' || typeof x.title !== 'string' || typeof x.type !== 'string' || typeof x.game_id !== 'string')) throw new Error('Unexpected Twitch stream'); return {json:{data:{user:{stream:x ? {id:x.id,viewersCount:x.viewer_count,title:x.title,type:x.type,game:x.game_id ? {id:x.game_id}:null} : null}}}}; });"
      }
    }
  ],
  "connections": {
    "Document": {
      "main": [
        [
          {
            "node": "Twitch GraphQL",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Twitch GraphQL": {
      "main": [
        [
          {
            "node": "Map stream response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "When clicking ‘Test workflow’": {
      "main": [
        [
          {
            "node": "Document",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Map stream response": {
      "main": [
        [
          {
            "node": "Is Online",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "name": "Check Whether a Twitch Stream Is Live",
  "active": false,
  "pinData": {}
}