First validation functions

validate.js

@@ -0,0 +1,65 @@
+
+function isString(data) {
+  return data && typeof data === 'string';
+}
+
+function isNumber(var) {
+  return data && typeof data === 'number';
+}
+
+function isObject(var) {
+  return data && typeof data === 'object';
+}
+
+function isArray(var) {
+  return data && typeof data === 'object' && Array.isArray(data);
+}
+
+function validateRange(data, default) {
+  if (data === undefined) return false;
+  if (isObject(data)) {
+    if (isString(data.type) && var.type.endsWith('binomial'))
+      if (isNumber(data.n) && isNumber(data.p)) {
+        return {
+          type: 'minecraft:binomial',
+          n: data.n,
+          p: data.p
+        };
+      }
+    }
+    let res = {};
+    if (isNumber(data.min)) res.min = data.min;
+    if (isNumber(data.max)) res.max = data.max;
+    }
+  }
+  return false;
+}
+
+function chooseOption(options, value, default) {
+  for (option of options) {
+    if (value === option) {
+      return value;
+    } else if('minecraft:' + value === option) {
+      return 'minecraft:' + value;
+    }
+  }
+  return default;
+}
+
+function validateTable(table) {
+  let res = {};
+  res.type = chooseOption(namespace(['empty', 'entity', 'block', 'chest', 'fishing', 'generic']), table.type, 'minecraft:generic');
+  if (isArray(table.pools)) {
+    res.pools = [];
+    for (let entry of table.pools) {
+      res.pools.push(validatePool(pools));
+    }
+  }
+  return res;
+}
+
+function validatePool() {
+  let newpool = {};
+
+  return res;
+}