Begin implementation of the Stats / Skills tab

module/utils/modifierToString.mjs

@@ -0,0 +1,18 @@
+/**
+ * Takes in an integer and converts it into a string format that can be used in
+ * roll formulas or for displaying to the user.
+ *
+ * @param {number} mod The modifier to stringify
+ * @param {object} opts
+ * @param {boolean} opts.spaces Puts spaces on either side of the operand
+ * @returns {string}
+ */
+export function modifierToString(mod, opts = {}) {
+	if (mod == 0) return ``;
+
+	let value = [``, `+`, mod]
+	if (mod < 0) {
+		value = [``, `-`, Math.abs(mod)]
+	};
+	return value.join(opts.spaces ? ` ` : ``);
+};