1 files changed, 59 insertions, 0 deletions
diff --git a/node_modules/ajv-keywords/keywords/uniqueItemProperties.js b/node_modules/ajv-keywords/keywords/uniqueItemProperties.js
new file mode 100644
index 00000000..cd670dac
--- /dev/null
+++ b/node_modules/ajv-keywords/keywords/uniqueItemProperties.js
@@ -0,0 +1,59 @@
+'use strict';
+
+var SCALAR_TYPES = ['number', 'integer', 'string', 'boolean', 'null'];
+
+module.exports = function defFunc(ajv) {
+  defFunc.definition = {
+    type: 'array',
+    compile: function(keys, parentSchema, it) {
+      var equal = it.util.equal;
+      var scalar = getScalarKeys(keys, parentSchema);
+
+      return function(data) {
+        if (data.length > 1) {
+          for (var k=0; k < keys.length; k++) {
+            var i, key = keys[k];
+            if (scalar[k]) {
+              var hash = {};
+              for (i = data.length; i--;) {
+                if (!data[i] || typeof data[i] != 'object') continue;
+                var prop = data[i][key];
+                if (prop && typeof prop == 'object') continue;
+                if (typeof prop == 'string') prop = '"' + prop;
+                if (hash[prop]) return false;
+                hash[prop] = true;
+              }
+            } else {
+              for (i = data.length; i--;) {
+                if (!data[i] || typeof data[i] != 'object') continue;
+                for (var j = i; j--;) {
+                  if (data[j] && typeof data[j] == 'object' && equal(data[i][key], data[j][key]))
+                    return false;
+                }
+              }
+            }
+          }
+        }
+        return true;
+      };
+    },
+    metaSchema: {
+      type: 'array',
+      items: {type: 'string'}
+    }
+  };
+
+  ajv.addKeyword('uniqueItemProperties', defFunc.definition);
+  return ajv;
+};
+
+
+function getScalarKeys(keys, schema) {
+  return keys.map(function(key) {
+    var properties = schema.items && schema.items.properties;
+    var propType = properties && properties[key] && properties[key].type;
+    return Array.isArray(propType)
+            ? propType.indexOf('object') < 0 && propType.indexOf('array') < 0
+            : SCALAR_TYPES.indexOf(propType) >= 0;
+  });
+}