h4l

    $ jb Hello=world array:number[]@<(seq 10) object:json@<(date=$(date -Iseconds) jb @date)
    {"Hello":"world","array":[1,2,3,4,5,6,7,8,9,10],"object":{"date":"2024-07-03T19:26:36+00:00"}}

    jb Hello=world array:number[]@<(seq 10) object:{}=date=$(date -Iseconds)
    {"Hello":"world","array":[1,2,3,4,5,6,7,8,9,10],"object":{"date":"2024-07-03T19:30:26+00:00"}}

    $ jb size:number=oops; echo $?
    json.encode_number(): not all inputs are numbers: 'oops'
    json(): Could not encode the value of argument 'size:number=oops' as a 'number' value. Read from inline value.
    ␘
    1

    $ jb size:number=oops | jq
    json.encode_number(): not all inputs are numbers: 'oops'
    json(): Could not encode the value of argument 'size:number=oops' as a 'number' value. Read from inline value.
    parse error: Invalid numeric literal at line 2, column 0

    $ declare -p PIPESTATUS
    declare -a PIPESTATUS=([0]="1" [1]="4")

    $ jb ===msg==:==hi=
    {"=msg=":"=hi="}

    $ k='=msg=' v='=hi=' jb @k@v
    {"=msg=":"=hi="}

    $ source json.bash
    $ declare -A greeting=([Hello]=World)
    $ json ...@greeting:{}
    {"Hello":"World"}

    $ declare -A greeting=([Hello]=World [How]="are you?")
    $ json @greeting:{}   
    {"greeting":{"Hello":"World","How":"are you?"}}

    $ json ...@greeting:{}                                
    {"Hello":"World","How":"are you?"}

    $ jb dependencies:json='["Bash","Grep"]'
    {"dependencies":["Bash","Grep"]}

    $ jb foo=bar bar:json='"this is a well formed string"'
    {"foo":"bar","bar":"this is a well formed string"}

    $ jb foo:json=$(jb bar=baz)
    {"foo":{"bar":"baz"}}

    $ jb foo:json@<(jb msg=$'no need\nto quote this!')        
    {"foo":{"msg":"no need\nto quote this!"}}

    $ jb dependencies:json@<(jb-array Bash Grep)
    {"dependencies":["Bash","Grep"]}

    $ source json.bash
    $ dependencies=(Bash Grep)
    $ json @dependencies:[]   
    {"dependencies":["Bash","Grep"]}

  jo -- -s id=42 -n size=42 -s surname=null data=null
  {"id":"42","size":42,"surname":"","data":null}