Sankey

#Array methods
sankey(name::AbstractVector,
    source::AbstractVector{<:Union{Missing, Int}},
    target::AbstractVector{<:Union{Missing, Int}},
    value::AbstractVector{<:Union{Missing, Real}};

kwargs... #modifies top-level `EChart` fields

using ECharts
name = ["Agricultural waste", "Bio-conversion", "Liquid", "Losses", "Solid", "Gas", "Biofuel imports",
    "Biomass imports", "Coal imports", "Coal"]

source = [0, 1, 1, 1, 1, 6, 7, 8, 10]
target = [1, 2, 3, 4, 5, 2, 4, 9, 9]
value = [124.729, 0.597, 26.862, 280.322, 81.144, 35, 35, 11.606, 63.965]
s = sankey(name, source, target, value)