diagnostics: add mado

mochaaP · mochaaP · commit 52628966ffc5 · 2025-09-12T23:36:15.000+08:00
closes #30
diff --git a/lua/none-ls/diagnostics/mado.lua b/lua/none-ls/diagnostics/mado.lua
@@ -0,0 +1,39 @@
+local h = require("null-ls.helpers")
+local methods = require("null-ls.methods")
+
+local DIAGNOSTICS = methods.internal.DIAGNOSTICS
+
+return h.make_builtin({
+    name = "mado",
+    meta = {
+        description = "A fast Markdown linter written in Rust.",
+        url = "https://github.com/akiomik/mado",
+    },
+    method = DIAGNOSTICS,
+    filetypes = { "markdown" },
+    factory = h.generator_factory,
+    generator_opts = {
+        command = "mado",
+        args = {
+            "check",
+        },
+        to_stdin = true,
+        from_stderr = false,
+        format = "line",
+        check_exit_code = function(code)
+            return code <= 1
+        end,
+        on_output = h.diagnostics.from_patterns({
+            {
+                pattern = [[^([^:]+):(%d+):(%d+):%s+(MD%d+)%s+(.+)$]],
+                groups = { "filename", "row", "col", "code", "message" },
+                overrides = { diagnostics = { severity = 2, source = "mado" } },
+            },
+            {
+                pattern = [[^([^:]+):(%d+):%s+(MD%d+)%s+(.+)$]],
+                groups = { "filename", "row", "col", "code", "message" },
+                overrides = { diagnostics = { severity = 2, source = "mado" } },
+            },
+        }),
+    },
+})
