Support Elixir 1.15

Author: crbelaus

.formatter.exs

@@ -1,10 +1,17 @@
 # Used by "mix format"
 locals_without_parens = [error_tracker_dashboard: 1, error_tracker_dashboard: 2]
 
+# Parse SemVer minor elixir version from project configuration
+# eg `"~> 1.15"` version requirement will yield `"1.15"`
+[elixir_minor_version | _] = Regex.run(~r/([\d\.]+)/, Mix.Project.config()[:elixir])
+
 [
   import_deps: [:ecto, :ecto_sql, :plug, :phoenix],
   inputs: ["{mix,.formatter,dev,dev.*}.exs", "{config,lib,test}/**/*.{heex,ex,exs}"],
   plugins: [Phoenix.LiveView.HTMLFormatter, Styler],
   locals_without_parens: locals_without_parens,
-  export: [locals_without_parens: locals_without_parens]
+  export: [locals_without_parens: locals_without_parens],
+  styler: [
+    minimum_supported_elixir_version: "#{elixir_minor_version}.0"
+  ]
 ]

lib/error_tracker/plugins/pruner.ex

@@ -119,8 +119,8 @@ defmodule ErrorTracker.Plugins.Pruner do
   def init(state \\ []) do
     state = %{
       limit: state[:limit] || 200,
-      max_age: state[:max_age] || to_timeout(day: 1),
-      interval: state[:interval] || to_timeout(minute: 30)
+      max_age: state[:max_age] || :timer.hours(24),
+      interval: state[:interval] || :timer.minutes(30)
     }
 
     {:ok, schedule_prune(state)}