Move RecipesBase support to an extension (#157)

* Move plotting to extension

* Move RecipesBase support to an extension

Author: dlfivefifty

Project.toml

@@ -1,6 +1,6 @@
 name = "ContinuumArrays"
 uuid = "7ae1f121-cc2c-504b-ac30-9b923412ae5c"
-version = "0.14.1"
+version = "0.14.2"
 
 [deps]
 AbstractFFTs = "621f4979-c628-5d54-868e-fcf4e3e8185c"
@@ -15,9 +15,14 @@ IntervalSets = "8197267c-284f-5f27-9208-e0e47529a953"
 LazyArrays = "5078a376-72f3-5289-bfd5-ec5146d43c02"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 QuasiArrays = "c4ea9172-b204-11e9-377d-29865faadc5c"
-RecipesBase = "3cdcf5f2-1ef4-517c-9805-6587b60abb01"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 
+[weakdeps]
+RecipesBase = "3cdcf5f2-1ef4-517c-9805-6587b60abb01"
+
+[extensions]
+ContinuumArraysRecipesBaseExt = "RecipesBase"
+
 [compat]
 AbstractFFTs = "1.0"
 ArrayLayouts = "1.0"
@@ -38,7 +43,8 @@ julia = "1.9"
 [extras]
 Base64 = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
 FastTransforms = "057dd010-8810-581a-b7be-e3fc3b93f78c"
+RecipesBase = "3cdcf5f2-1ef4-517c-9805-6587b60abb01"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Base64", "FastTransforms", "Test"]
+test = ["Base64", "FastTransforms", "RecipesBase", "Test"]

ext/ContinuumArraysRecipesBaseExt.jl

@@ -0,0 +1,15 @@
+module ContinuumArraysRecipesBaseExt
+
+using ContinuumArrays, RecipesBase, StaticArrays
+using ContinuumArrays: plotgridvalues, AbstractQuasiArray
+
+_split_svec(x) = (x,)
+_split_svec(x::AbstractArray{<:StaticVector{2}}) = (map(first,x), map(last,x))
+
+
+@recipe function f(g::AbstractQuasiArray)
+    x,v = plotgridvalues(g)
+    tuple(_split_svec(x)..., v)
+end
+
+end # module

src/ContinuumArrays.jl

@@ -1,5 +1,5 @@
 module ContinuumArrays
-using IntervalSets, DomainSets, LinearAlgebra, LazyArrays, FillArrays, BandedMatrices, QuasiArrays, Infinities, InfiniteArrays, StaticArrays, BlockArrays, RecipesBase
+using IntervalSets, DomainSets, LinearAlgebra, LazyArrays, FillArrays, BandedMatrices, QuasiArrays, Infinities, InfiniteArrays, StaticArrays, BlockArrays
 import Base: @_inline_meta, @_propagate_inbounds_meta, axes, size, getindex, convert, prod, *, /, \, +, -, ==, ^,
                 IndexStyle, IndexLinear, ==, OneTo, tail, similar, copyto!, copy, diff,
                 first, last, show, isempty, findfirst, findlast, findall, Slice, union, minimum, maximum, sum, _sum,

src/plotting.jl

@@ -10,8 +10,6 @@ endpoints or singular points not included in `grid`. `n` specifies
 the number of coefficients.
 """
 
-const _plotgrid = plotgrid_layout # TODO: remove
-
 plotgrid(P, n...) = plotgrid_layout(MemoryLayout(P), P, n...)
 
 plotgrid_layout(lay, P, n=size(P,2)) = grid(P, min(n,MAX_PLOT_POINTS))
@@ -21,6 +19,8 @@ plotgrid_layout(::MappedBasisLayout, P, n...) = invmap(parentindices(P)[1])[plot
 plotgrid_layout(::SubBasisLayout, P::AbstractQuasiMatrix, n) = plotgrid(parent(P), maximum(parentindices(P)[2][n]))
 plotgrid_layout(::SubBasisLayout, P::AbstractQuasiMatrix) = plotgrid(parent(P), maximum(parentindices(P)[2]))
 
+const _plotgrid = plotgrid_layout # TODO: remove
+
 
 _mul_plotgrid(_, args) = plotgrid_layout(UnknownLayout(), first(args))
 _mul_plotgrid(::Tuple{Any,PaddedLayout}, (P,c)) = plotgrid(P, maximum(colsupport(c)))
@@ -30,9 +30,6 @@ function plotgrid_layout(lay::ExpansionLayout, P)
     _mul_plotgrid(map(MemoryLayout,args), args)
 end
 
-_split_svec(x) = (x,)
-_split_svec(x::AbstractArray{<:StaticVector{2}}) = (map(first,x), map(last,x))
-
 plotvalues(g::AbstractQuasiVector, x) = g[x]
 plotvalues(g::AbstractQuasiMatrix, x) = g[x,:]
 plotvalues(g::AbstractQuasiArray) = plotvalues(g, plotgrid(g))
@@ -41,8 +38,3 @@ function plotgridvalues(g)
     x = plotgrid(g)
     x, plotvalues(g,x)
 end
-
-@recipe function f(g::AbstractQuasiArray)
-    x,v = plotgridvalues(g)
-    tuple(_split_svec(x)..., v)
-end