move formatting to GitHub Action (#476)

Author: JoshuaLampert

.github/workflows/FormatPR.yml

@@ -0,0 +1,11 @@
+name: Format suggestions
+on:
+  pull_request
+
+jobs:
+  code-style:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: julia-actions/julia-format@v4
+        with:
+          version: '2.2.0'

test/Project.toml

@@ -8,7 +8,6 @@ Distributed = "8ba89e20-285c-5b6f-9357-94700520ee1b"
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 Inflate = "d25df0c9-e2be-5dd7-82c8-3ad0b3e990b9"
 JET = "c3a54625-cd67-489e-a8e7-0a5a0ff4e31b"
-JuliaFormatter = "98e50ef6-434e-11e9-1051-2b60c6c9e899"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
@@ -19,6 +18,3 @@ StableRNGs = "860ef19b-820b-49d6-a774-d7a799459cd3"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Unitful = "1986cc42-f94f-5a68-af5c-568840ba703d"
-
-[compat]
-JuliaFormatter = "2.2.0"

test/runtests.jl

@@ -4,7 +4,6 @@ using Graphs
 using Graphs.SimpleGraphs
 using Graphs.Experimental
 using JET
-using JuliaFormatter
 using Graphs.Test
 using Test
 using SparseArrays
@@ -165,10 +164,6 @@ tests = [
         Aqua.test_all(Graphs; ambiguities=false)
     end
 
-    @testset "Code formatting (JuliaFormatter.jl)" begin
-        @test format(Graphs; verbose=false, overwrite=false)
-    end
-
     doctest(Graphs)
 
     @testset verbose = true "Actual tests" begin