Merge branch 'main' into styled-strings

Author: t-bltg

Project.toml

@@ -3,7 +3,7 @@ uuid = "b8865327-cd53-5732-bb35-84acbb429228"
 license = "MIT"
 desc = "Unicode-based scientific plotting for working in the terminal"
 authors = ["Christof Stocker <stocker.christof@gmail.com>", "T Bltg <tf.bltg@gmail.com>"]
-version = "3.7.0"
+version = "3.7.1"
 
 [deps]
 ColorSchemes = "35d6a980-a343-548e-a6ea-1d62b119f2f4"

src/UnicodePlots.jl

@@ -114,7 +114,8 @@ include("interface/imageplot.jl")
 function __init__()
     forced_24bit() && return init_24bit()
     forced_8bit() && return init_8bit()
-    Base.get_have_truecolor() ? init_24bit() : init_8bit()
+    get_have_truecolor() ? init_24bit() : init_8bit()
+    nothing
 end
 
 # COV_EXCL_START

src/common.jl

@@ -249,6 +249,14 @@ function colormode!(mode)
     nothing
 end
 
+get_have_truecolor() =
+    if isdefined(Base, :get_have_truecolor)
+        Base.get_have_truecolor()
+    else
+        # see gist.github.com/XVilka/8346728#checking-for-colorterm
+        lowercase(get(ENV, "COLORTERM", "")) ∈ ("24bit", "truecolor")
+    end
+
 # specific to UnicodePlots
 forced_24bit() = lowercase(get(ENV, "UP_COLORMODE", "")) ∈ ("24", "24bit", "truecolor")
 forced_8bit() = lowercase(get(ENV, "UP_COLORMODE", "")) ∈ ("8", "8bit")