replace JSON3 with JSON (#202)

* replace JSON3 with JSON.jl

* update changelog

* bump JSON compat

---------

Co-authored-by: Christopher Doris <github.com/cjdoris>

Author: cserteGT3

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Unreleased
 * If the `env` preference (or `JULIA_CONDAPKG_ENV`) can now be a relative path, which is
   taken to be relative to the current Julia project.
+* Internal: move from JSON3 to JSON v1.
 
 ## 0.2.33 (2025-09-18)
 * Add `[dev]` section to CondaPkg.toml, specifying development dependencies which are only

Project.toml

@@ -4,7 +4,7 @@ authors = ["Christopher Doris <github.com/cjdoris>"]
 version = "0.2.33"
 
 [deps]
-JSON3 = "0f8b85d8-7281-11e9-16c2-39a750bddbf1"
+JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
 Markdown = "d6f4376e-aef5-505a-96c1-9c027394607a"
 MicroMamba = "0b3b1443-0f03-428d-bdfb-f27f9c1191ea"
 Pidfile = "fa939f87-e72e-5be4-a000-7fc836dbe307"
@@ -16,7 +16,7 @@ pixi_jll = "4d7b5844-a134-5dcd-ac86-c8f19cd51bed"
 
 [compat]
 Aqua = "0 - 999"
-JSON3 = "1.9"
+JSON = "1.2"
 Markdown = "1"
 MicroMamba = "0.1.4"
 OpenSSL_jll = "0 - 999"

src/CondaPkg.jl

@@ -9,7 +9,7 @@ if isdefined(Base, :Experimental) &&
 end
 
 using Base: @kwdef
-using JSON3: JSON3
+using JSON: JSON
 using Pidfile: Pidfile
 using Preferences: @load_preference
 using Pkg: Pkg

src/deps.jl

@@ -134,11 +134,11 @@ function current_packages()
     b = backend()
     if b in CONDA_BACKENDS
         cmd = conda_cmd(`list -p $(envdir()) --json`)
-        pkglist = JSON3.read(cmd)
+        pkglist = JSON.parse(cmd)
     elseif b in PIXI_BACKENDS
         cmd =
             pixi_cmd(`list --manifest-path $(joinpath(STATE.meta_dir, "pixi.toml")) --json`)
-        pkglist = JSON3.read(cmd)
+        pkglist = JSON.parse(cmd)
         pkglist = [pkg for pkg in pkglist if pkg.kind == "conda"]
     end
     Dict(normalise_pkg(pkg.name) => pkg for pkg in pkglist)
@@ -149,12 +149,12 @@ function current_pip_packages()
     if b in CONDA_BACKENDS
         pkglist = withenv() do
             cmd = `$(which("pip")) list --format=json`
-            JSON3.read(cmd)
+            JSON.parse(cmd)
         end
     elseif b in PIXI_BACKENDS
         cmd =
             pixi_cmd(`list --manifest-path $(joinpath(STATE.meta_dir, "pixi.toml")) --json`)
-        pkglist = JSON3.read(cmd)
+        pkglist = JSON.parse(cmd)
         pkglist = [pkg for pkg in pkglist if pkg.kind == "pypi"]
     end
     Dict(normalise_pip_pkg(pkg.name) => pkg for pkg in pkglist)