Add some utils and update the memory database to "store" rows

module/utils/validateValue.mjs

@@ -0,0 +1,53 @@
+import { Logger } from "./Logger.mjs";
+
+const { deepClone } = foundry.utils;
+const { StringField, NumberField } = foundry.data.fields;
+
+export function validateValue(value, options) {
+	let opts = deepClone(options);
+	if (validatorTypes[opts.type] == null) {
+		Logger.error(`Failed to find type validator for: ${opts.type}`);
+		return false;
+	};
+
+	const validator = validatorTypes[opts.type];
+	validator.transformOptions(opts);
+
+	const field = new validator.field(opts);
+	const error = field.validate(value);
+
+	// DataFields return a class instance on error, or void when valid.
+	return !error;
+};
+
+const validatorTypes = {
+	string: {
+		field: StringField,
+		transformOptions: (opts) => {
+			delete opts.type;
+			opts.nullable = false;
+			opts.trim = true;
+			opts.blank = false;
+			if (typeof opts.choices === `function`) {
+				Logger.error(`Choices cannot be a function in a table's buckets configuraion`);
+				delete opts.choices;
+			};
+		},
+	},
+	number: {
+		field: NumberField,
+		transformOptions: (opts) => {
+			delete opts.type;
+			opts.nullable = false;
+			opts.integer = true;
+		},
+	},
+	range: {
+		field: NumberField,
+		transformOptions: (opts) => {
+			delete opts.type;
+			opts.nullable = false;
+			opts.integer = true;
+		},
+	},
+};