3 files changed, 15 insertions, 1 deletions
diff --git a/lua/mason-registry/fixjson/init.lua b/lua/mason-registry/fixjson/init.lua
new file mode 100644
index 00000000..99642410
--- /dev/null
+++ b/lua/mason-registry/fixjson/init.lua
@@ -0,0 +1,13 @@
+local Pkg = require "mason-core.package"
+local npm = require "mason-core.managers.npm"
+
+return Pkg.new {
+    name = "fixjson",
+    desc = [[A JSON file fixer/formatter for humans using (relaxed) JSON5]],
+    homepage = "https://github.com/rhysd/fixjson",
+    languages = {
+        Pkg.Lang.JSON,
+    },
+    categories = { Pkg.Cat.Formatter },
+    install = npm.packages { "fixjson", bin = { "fixjson" } },
+}
diff --git a/lua/mason-registry/index.lua b/lua/mason-registry/index.lua
index 2de22d3f..379c67e0 100644
--- a/lua/mason-registry/index.lua
+++ b/lua/mason-registry/index.lua
@@ -54,6 +54,7 @@ return {
   ["eslint-lsp"] = "mason-registry.eslint-lsp",
   eslint_d = "mason-registry.eslint_d",
   ["firefox-debug-adapter"] = "mason-registry.firefox-debug-adapter",
+  fixjson = "mason-registry.fixjson",
   flake8 = "mason-registry.flake8",
   ["flux-lsp"] = "mason-registry.flux-lsp",
   ["foam-language-server"] = "mason-registry.foam-language-server",
diff --git a/lua/mason/mappings/language.lua b/lua/mason/mappings/language.lua
index 56d30e59..3f051339 100644
--- a/lua/mason/mappings/language.lua
+++ b/lua/mason/mappings/language.lua
@@ -50,7 +50,7 @@ return {
   java = { "clang-format", "jdtls" },
   javascript = { "chrome-debug-adapter", "clang-format", "deno", "eslint-lsp", "eslint_d", "firefox-debug-adapter", "node-debug2-adapter", "prettier", "prettierd", "quick-lint-js", "rome", "typescript-language-server" },
   jinja = { "curlylint", "djlint" },
-  json = { "clang-format", "json-lsp", "prettier", "prettierd" },
+  json = { "clang-format", "fixjson", "json-lsp", "prettier", "prettierd" },
   jsonnet = { "jsonnet-language-server" },
   jsx = { "prettier", "prettierd" },
   julia = { "julia-lsp" },