update gurps

Add code to handle single traits instead of an array of traits.

GURPS/gurps.html

@@ -26359,7 +26359,7 @@ The attacker may choose to hit the original target or the limb you used to parry
 
 		let attributes = jsonData.Character.Traits.Attribute;
 
-		let advantages = jsonData.Character.Traits.Advantage;
+		let advantages = getJsonArrayFromTrait(jsonData.Character.Traits.Advantage);
 
 		let campaign = jsonData.Character.Campaign;
 
@@ -26477,6 +26477,29 @@ The attacker may choose to hit the original target or the limb you used to parry
 		"Fearlessness",
 	];
 
+	/**
+	 * If a trait, like Advantage only has one advantage, 
+	 * then the JSON is NOT an array. We have to convert that 
+	 * element to an array
+	 * NOTE: Classic single or array issue with json
+	 * 
+	 * @param json trait A trait(s) like advantages, perks, etc.
+	 */ 
+	function getJsonArrayFromTrait(trait) {
+
+		let traits;
+
+		if (Array.isArray(trait)) {
+			traits = trait;
+		} else {
+			// convert to an array
+			traits = [trait];
+		}
+
+		return traits;
+
+	}
+
 	/**
 	 * Loops advantages and add advantages
 	 * TODO: Check to see if advantage already exists, then update
@@ -26490,7 +26513,7 @@ The attacker may choose to hit the original target or the limb you used to parry
 		// make sure we have a valid function
 		callback = callback || noop;
 
-		let advantages = jsonData.Character.Traits.Advantage;
+		let advantages = getJsonArrayFromTrait(jsonData.Character.Traits.Advantage);
 
 		let rows = {};
 
@@ -26926,9 +26949,9 @@ The attacker may choose to hit the original target or the limb you used to parry
 		// make sure we have a valid function
 		callback = callback || noop;
 
-		let perks = jsonData.Character.Traits.Perks;
+		let perks = getJsonArrayFromTrait(jsonData.Character.Traits.Perks);
 
-		let quirks = jsonData.Character.Traits.Quirk;
+		let quirks = getJsonArrayFromTrait(jsonData.Character.Traits.Quirk);
 
 		let rows = {};
 
@@ -27031,7 +27054,7 @@ The attacker may choose to hit the original target or the limb you used to parry
 		// make sure we have a valid function
 		callback = callback || noop;
 
-		let disadvantages = jsonData.Character.Traits.Disadvantage;
+		let disadvantages = getJsonArrayFromTrait(jsonData.Character.Traits.Disadvantage);
 
 		let rows = {};
 
@@ -27199,7 +27222,7 @@ The attacker may choose to hit the original target or the limb you used to parry
 		// make sure we have a valid function
 		callback = callback || noop;
 
-		let skills = jsonData.Character.Traits.Skill;
+		let skills = getJsonArrayFromTrait(jsonData.Character.Traits.Skill);
 
 		let rows = {};
 
@@ -27423,7 +27446,7 @@ The attacker may choose to hit the original target or the limb you used to parry
 		// make sure we have a valid function
 		callback = callback || noop;
 
-		let skills = jsonData.Character.Traits.Skill;
+		let skills = getJsonArrayFromTrait(jsonData.Character.Traits.Skill);
 
 		let rows = {};
 
@@ -27643,7 +27666,7 @@ The attacker may choose to hit the original target or the limb you used to parry
 		// make sure we have a valid function
 		callback = callback || noop;
 
-		let items = jsonData.Character.Traits.Equipment;
+		let items = getJsonArrayFromTrait(jsonData.Character.Traits.Equipment);
 
 		let rows = {};
 
@@ -27768,7 +27791,7 @@ The attacker may choose to hit the original target or the limb you used to parry
 		// make sure we have a valid function
 		callback = callback || noop;
 
-		let spells = jsonData.Character.Traits.Spell;
+		let spells = getJsonArrayFromTrait(jsonData.Character.Traits.Spell);
 
 		let rows = {};