Add flake and format

flake.lock

@@ -0,0 +1,77 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1716328825,
+        "narHash": "sha256-ZpKwUK97Cxkocx+Jx2O91Qhza5zhS8i1G/YzacnGvCI=",
+        "owner": "squarepear",
+        "repo": "nixpkgs",
+        "rev": "bb663f89b88a2b4a3e2a46d2266cfc5e0fd9c619",
+        "type": "github"
+      },
+      "original": {
+        "owner": "squarepear",
+        "ref": "gdtoolkit-4",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1708475490,
+        "narHash": "sha256-g1v0TsWBQPX97ziznfJdWhgMyMGtoBFs102xSYO4syU=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "0e74ca98a74bc7270d28838369593635a5db3260",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "systems": "systems",
+        "treefmt-nix": "treefmt-nix"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "id": "systems",
+        "type": "indirect"
+      }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1715940852,
+        "narHash": "sha256-wJqHMg/K6X3JGAE9YLM0LsuKrKb4XiBeVaoeMNlReZg=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "2fba33a182602b9d49f0b2440513e5ee091d838b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,26 @@
+{
+  inputs = {
+    nixpkgs.url = github:squarepear/nixpkgs/gdtoolkit-4;
+    treefmt-nix.url = github:numtide/treefmt-nix;
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    systems,
+    treefmt-nix,
+  }: let
+    # Small tool to iterate over each systems
+    eachSystem = f: nixpkgs.lib.genAttrs (import systems) (system: f nixpkgs.legacyPackages.${system});
+
+    # Eval the treefmt modules from ./treefmt.nix
+    treefmtEval = eachSystem (pkgs: treefmt-nix.lib.evalModule pkgs ./treefmt.nix);
+  in {
+    # for `nix fmt`
+    formatter = eachSystem (pkgs: treefmtEval.${pkgs.system}.config.build.wrapper);
+    # for `nix flake check`
+    checks = eachSystem (pkgs: {
+      formatting = treefmtEval.${pkgs.system}.config.build.check self;
+    });
+  };
+}

script/calendar.gd

@@ -11,20 +11,21 @@ var last_focused_day = null
 var new_focused_day = null
 var all_days = []
 
+
 # Called when the node enters the scene tree for the first time.
 func _ready():
 	var current_year = Time.get_date_dict_from_system().year
-	
+
 	year_label.text = "%s" % current_year
 
-	for i in range (1, 13):
+	for i in range(1, 13):
 		var month = month_scene.instantiate()
 		month.year = current_year
 		month.month = i
 		month.day_toggled.connect(_on_day_toggled)
 		month.fill_days.connect(_on_fill_days)
 		year.add_child(month)
-		
+
 		for element in month.days.get_children():
 			if element is Day:
 				all_days.append(element)
@@ -32,7 +33,7 @@ func _ready():
 
 func _on_day_toggled(date):
 	# period_manager.add(date)
-	
+
 	# Update last focused day.
 	var focused_node = get_viewport().gui_get_focus_owner()
 	if focused_node is Day:
@@ -41,18 +42,20 @@ func _on_day_toggled(date):
 
 func _on_fill_days(shift_clicked_day):
 	# Toogle day from last focused day to current day.
-	
+
 	# Assert that last focused day is different from date.
 	if last_focused_day == null:
 		return
 
 	if shift_clicked_day == last_focused_day:
 		return
-	
+
 	# Determine if date is before or after the last focused day.
-	var first_day = last_focused_day if last_focused_day.is_before(shift_clicked_day) else shift_clicked_day
+	var first_day = (
+		last_focused_day if last_focused_day.is_before(shift_clicked_day) else shift_clicked_day
+	)
 	var last_day = shift_clicked_day if first_day == last_focused_day else last_focused_day
-	
+
 	# Toggle days between the two days.
 	var toggle = false
 	for day in all_days:

script/day.gd

@@ -1,7 +1,6 @@
 class_name Day
 extends Button
 
-
 signal day_toggled(date)
 signal fill_days(date)
 
@@ -9,7 +8,7 @@ var date = {}
 
 
 func _ready():
-	set_toggle_mode(true);
+	set_toggle_mode(true)
 	toggled.connect(self._on_day_toggled)
 
 
@@ -30,10 +29,11 @@ func set_date(year, month, day):
 func is_before(other_day):
 	var day_unix_time = Time.get_unix_time_from_datetime_dict(date)
 	var other_day_unix_time = Time.get_unix_time_from_datetime_dict(other_day.date)
-	
+
 	if day_unix_time < other_day_unix_time:
 		return true
 	return false
 
+
 func dump():
 	print("%s - %s - %s" % [date.year, date.month, date.day])

script/month.gd

@@ -1,7 +1,6 @@
 class_name Month
 extends Control
 
-
 signal day_toggled(date)
 signal fill_days(date)
 
@@ -18,11 +17,11 @@ var month: int
 # Called when the node enters the scene tree for the first time.
 func _ready():
 	month_label.text = "%s" % month
-	
+
 	var days_in_month = find_days_in_month(year, month)
 	var date_string = "%s-%s-%s" % [year, month, 1]
 	var first_day = Time.get_datetime_dict_from_datetime_string(date_string, true)
-	
+
 	# Fill the container with number corresponding to days
 	for i in range(first_day.weekday):
 		var empty_label = Label.new()
@@ -46,7 +45,7 @@ func _on_fill_days(day):
 
 func find_days_in_month(year: int, month: int):
 	assert(month >= 1 and month <= 12)
-	if (month == 2 and is_leap_year(year)):
+	if month == 2 and is_leap_year(year):
 		return 29
 	return DAYS_IN_MONTH[month - 1]
 

script/periodmanager.gd

@@ -1,6 +1,5 @@
 extends Node
 
-
 var periods = []
 var last_period = null
 
@@ -11,7 +10,7 @@ func add(date):
 		last_period = null
 		dump()
 		return
-	
+
 	# If no new period has begun
 	var period = Period.new()
 	period.begin = date

treefmt.nix

@@ -0,0 +1,11 @@
+{pkgs, ...}: {
+  projectRootFile = "flake.nix";
+
+  programs = {
+    gdformat = {
+      enable = true;
+      package = pkgs.gdtoolkit_4;
+    };
+    alejandra.enable = true;
+  };
+}