fix schemaless tables, allow matrices

Author: pfitzseb

src/TableView.jl

@@ -28,6 +28,10 @@ struct IteratorAndFirst{F, T}
         first = iterate(x)
         return new{typeof(first), typeof(x)}(first, x, len)
     end
+    function IteratorAndFirst(first, x)
+        len = Base.haslength(x) ? length(x) + 1 : 1
+        return new{typeof(first), typeof(x)}(first, x, len)
+    end
 end
 Base.IteratorSize(::Type{IteratorAndFirst{F, T}}) where {F, T} = Base.IteratorSize(T)
 Base.length(x::IteratorAndFirst) = x.len
@@ -39,6 +43,8 @@ function Base.iterate(x::IteratorAndFirst, st)
     return iterate(x.source, st)
 end
 
+showtable(table::AbstractMatrix; kwargs...) = showtable(Tables.table(table); kwargs...)
+
 function showtable(table; dark = false, height = :auto, width = "100%")
     rows = Tables.rows(table)
     tablelength = Base.IteratorSize(rows) == Base.HasLength() ? length(rows) : nothing

test/runtests.jl

@@ -19,3 +19,7 @@ end
     ]
     @test showtable(nttable) isa WebIO.Scope
 end
+@testset "normal array" begin
+    array = rand(10, 10)
+    @test showtable(array) isa WebIO.Scope
+end