From 30e3c5d63cf0cb704acb5006adab8934f3a44306 Mon Sep 17 00:00:00 2001
From: DrMaxNix <contact@drmaxnix.de>
Date: Sun, 2 Oct 2022 16:11:05 +0200
Subject: [PATCH] :sparkles: new command `sub`

---
 src/command/sub.js | 48 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 src/command/sub.js

diff --git a/src/command/sub.js b/src/command/sub.js
new file mode 100644
index 0000000..0d69c40
--- /dev/null
+++ b/src/command/sub.js
@@ -0,0 +1,48 @@
+Juicescript.command_define({
+	name: "sub",
+	alias: [],
+	
+	validate: function(runner){
+		// count
+		runner.argument_validate_count({min: 2, max: null});
+		if(runner.has_error) return;
+		
+		// types
+		runner.argument_validate_type(1, Juicescript.argument_type.VARIABLE);
+		
+		for(var q = 2; q <= runner.command.argument.length; q++){
+			runner.argument_validate_type(q, Juicescript.argument_type.VALUE);
+		}
+	},
+	
+	execute: function(runner){
+		// GET VARIABLE //
+		// variable object
+		let variable = runner.argument_variable(1);
+		
+		// get its value
+		let value = runner.variable_get(variable);
+		
+		
+		// SUBTRACT OTHER VALUES //
+		for(var q = 2; q <= runner.command.argument.length; q++){
+			// get value to subtract
+			let subtract = runner.argument_value(q);
+			
+			// validate data type
+			let data_type = runner.data_type(subtract);
+			if(data_type !== Juicescript.data_type.NUM){
+				// ignore with warning
+				runner.warning_argument(q, "invalid data type " + Juicescript.data_type.name(data_type));
+				continue;
+			}
+			
+			// do calculation
+			value -= subtract;
+		}
+		
+		
+		// STORE BACK TO VARIABLE //
+		runner.variable_set(variable, value);
+	}
+});