{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "description": "Vega-Lite version of bar chart from https://observablehq.com/@d3/learn-d3-scales.",
  "background": "white",
  "padding": 5,
  "width": 400,
  "style": "cell",
  "data": [
    {
      "name": "source_0",
      "values": [
        {"name": "🍊", "count": 21},
        {"name": "🍇", "count": 13},
        {"name": "🍏", "count": 8},
        {"name": "🍌", "count": 5},
        {"name": "🍐", "count": 3},
        {"name": "🍋", "count": 2},
        {"name": "🍎", "count": 1},
        {"name": "🍉", "count": 1}
      ]
    },
    {
      "name": "data_1",
      "source": "source_0",
      "transform": [
        {
          "type": "stack",
          "groupby": ["name"],
          "field": "count",
          "sort": {"field": ["count"], "order": ["ascending"]},
          "as": ["count_start", "count_end"],
          "offset": "zero"
        },
        {
          "type": "filter",
          "expr": "isValid(datum[\"count\"]) && isFinite(+datum[\"count\"])"
        }
      ]
    },
    {
      "name": "data_2",
      "source": "source_0",
      "transform": [
        {
          "type": "filter",
          "expr": "isValid(datum[\"count\"]) && isFinite(+datum[\"count\"])"
        }
      ]
    }
  ],
  "signals": [
    {"name": "y_step", "value": 20},
    {
      "name": "height",
      "update": "bandspace(domain('y').length, 0.1, 0.05) * y_step"
    }
  ],
  "marks": [
    {
      "name": "layer_0_marks",
      "type": "rect",
      "style": ["bar"],
      "from": {"data": "data_1"},
      "encode": {
        "update": {
          "fill": {"scale": "color", "field": "count"},
          "ariaRoleDescription": {"value": "bar"},
          "description": {
            "signal": "\"count: \" + (format(datum[\"count\"], \"\")) + \"; name: \" + (isValid(datum[\"name\"]) ? datum[\"name\"] : \"\"+datum[\"name\"]) + \"; Number of fruit: \" + (format(datum[\"count\"], \"\"))"
          },
          "x": {"scale": "x", "field": "count_end"},
          "x2": {"scale": "x", "field": "count_start"},
          "y": {"scale": "y", "field": "name"},
          "height": {"scale": "y", "band": 1}
        }
      }
    },
    {
      "name": "layer_1_marks",
      "type": "text",
      "style": ["text"],
      "aria": false,
      "from": {"data": "data_2"},
      "encode": {
        "update": {
          "align": {"value": "right"},
          "fill": [
            {"test": "datum[\"count\"]>10", "value": "white"},
            {"value": "black"}
          ],
          "x": {"scale": "x", "field": "count", "offset": -4},
          "y": {"scale": "y", "field": "name", "band": 0.5},
          "text": {"signal": "format(datum[\"count\"], \"\")"},
          "baseline": {"value": "middle"}
        }
      }
    }
  ],
  "scales": [
    {
      "name": "x",
      "type": "linear",
      "domain": {
        "fields": [
          {"data": "data_1", "field": "count_start"},
          {"data": "data_1", "field": "count_end"},
          {"data": "data_2", "field": "count"}
        ]
      },
      "range": [0, {"signal": "width"}],
      "nice": true,
      "zero": true
    },
    {
      "name": "y",
      "type": "band",
      "domain": {
        "data": "source_0",
        "field": "name",
        "sort": {"op": "min", "field": "count", "order": "descending"}
      },
      "range": {"step": {"signal": "y_step"}},
      "paddingInner": 0.1,
      "paddingOuter": 0.05
    },
    {
      "name": "color",
      "type": "linear",
      "domain": {"data": "data_1", "field": "count"},
      "range": "ramp",
      "interpolate": "hcl",
      "zero": false
    }
  ],
  "axes": [
    {
      "scale": "x",
      "orient": "bottom",
      "gridScale": "y",
      "grid": true,
      "tickCount": {"signal": "ceil(width/40)"},
      "domain": false,
      "labels": false,
      "aria": false,
      "maxExtent": 0,
      "minExtent": 0,
      "ticks": false,
      "zindex": 0
    },
    {
      "scale": "x",
      "orient": "bottom",
      "grid": false,
      "labelFlush": true,
      "labelOverlap": true,
      "tickCount": {"signal": "ceil(width/40)"},
      "zindex": 0
    },
    {"scale": "y", "orient": "left", "grid": false, "zindex": 0}
  ],
  "legends": [
    {
      "title": "Number of fruit",
      "fill": "color",
      "gradientLength": {"signal": "clamp(height, 64, 200)"}
    }
  ]
}