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node_modules/graphql/utilities/findDeprecatedUsages.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.findDeprecatedUsages = findDeprecatedUsages;
+
+var _GraphQLError = require("../error/GraphQLError");
+
+var _visitor = require("../language/visitor");
+
+var _definition = require("../type/definition");
+
+var _TypeInfo = require("./TypeInfo");
+
+/**
+ * A validation rule which reports deprecated usages.
+ *
+ * Returns a list of GraphQLError instances describing each deprecated use.
+ */
+function findDeprecatedUsages(schema, ast) {
+  var errors = [];
+  var typeInfo = new _TypeInfo.TypeInfo(schema);
+  (0, _visitor.visit)(ast, (0, _visitor.visitWithTypeInfo)(typeInfo, {
+    Field: function Field(node) {
+      var fieldDef = typeInfo.getFieldDef();
+
+      if (fieldDef && fieldDef.isDeprecated) {
+        var parentType = typeInfo.getParentType();
+
+        if (parentType) {
+          var reason = fieldDef.deprecationReason;
+          errors.push(new _GraphQLError.GraphQLError("The field ".concat(parentType.name, ".").concat(fieldDef.name, " is deprecated.") + (reason ? ' ' + reason : ''), node));
+        }
+      }
+    },
+    EnumValue: function EnumValue(node) {
+      var enumVal = typeInfo.getEnumValue();
+
+      if (enumVal && enumVal.isDeprecated) {
+        var type = (0, _definition.getNamedType)(typeInfo.getInputType());
+
+        if (type) {
+          var reason = enumVal.deprecationReason;
+          errors.push(new _GraphQLError.GraphQLError("The enum value ".concat(type.name, ".").concat(enumVal.name, " is deprecated.") + (reason ? ' ' + reason : ''), node));
+        }
+      }
+    }
+  }));
+  return errors;
+}