--- /dev/null
+'use strict';
+
+var KEYWORDS = require('./keywords');
+
+module.exports = defineKeywords;
+
+
+/**
+ * Defines one or several keywords in ajv instance
+ * @param {Ajv} ajv validator instance
+ * @param {String|Array<String>|undefined} keyword keyword(s) to define
+ * @return {Ajv} ajv instance (for chaining)
+ */
+function defineKeywords(ajv, keyword) {
+ if (Array.isArray(keyword)) {
+ for (var i=0; i<keyword.length; i++)
+ get(keyword[i])(ajv);
+ return ajv;
+ }
+ if (keyword) {
+ get(keyword)(ajv);
+ return ajv;
+ }
+ for (keyword in KEYWORDS) get(keyword)(ajv);
+ return ajv;
+}
+
+
+defineKeywords.get = get;
+
+function get(keyword) {
+ var defFunc = KEYWORDS[keyword];
+ if (!defFunc) throw new Error('Unknown keyword ' + keyword);
+ return defFunc;
+}