config.yml

mqtt:
  broker: localhost
  port: 11883
  clientId: mqtt-rewriter
  username:
  password:
delay:
  enable: true
template:
  enable: true
  rules:
    - topic: test
      type: raw
      targets:
        - topic: test2
    - topic: test2
      type: json
      targets:
        - topic: test3
          template: |-
            Get value: {{.msg}}
            Get nested value: {{.data.msg}}
            Get value of an array by index: {{index .array 0}}
            Get json of an object: {{json .data}}
            Get json of an array: {{json .array}}
            Range an array: 
            {{range $value := .array -}}
            {{println $value}}
            {{- end}}
            Range an array with index: 
            {{range $index,$value := .array -}}
            {{printf "%d:%s\n" $index $value}}
            {{- end}}
            Range an object:
            {{range $key,$value := .data -}}
            {{printf "%s:%s\n" $key $value}}
            {{- end}}