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node_modules/graphql-tools/dist/transforms/TransformRootFields.js

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+Object.defineProperty(exports, "__esModule", { value: true });
+var graphql_1 = require("graphql");
+var isEmptyObject_1 = require("../isEmptyObject");
+var visitSchema_1 = require("./visitSchema");
+var schemaRecreation_1 = require("../stitching/schemaRecreation");
+var TransformRootFields = /** @class */ (function () {
+    function TransformRootFields(transform) {
+        this.transform = transform;
+    }
+    TransformRootFields.prototype.transformSchema = function (originalSchema) {
+        var _a;
+        var _this = this;
+        return visitSchema_1.visitSchema(originalSchema, (_a = {},
+            _a[visitSchema_1.VisitSchemaKind.QUERY] = function (type) {
+                return transformFields(type, function (fieldName, field) {
+                    return _this.transform('Query', fieldName, field);
+                });
+            },
+            _a[visitSchema_1.VisitSchemaKind.MUTATION] = function (type) {
+                return transformFields(type, function (fieldName, field) {
+                    return _this.transform('Mutation', fieldName, field);
+                });
+            },
+            _a[visitSchema_1.VisitSchemaKind.SUBSCRIPTION] = function (type) {
+                return transformFields(type, function (fieldName, field) {
+                    return _this.transform('Subscription', fieldName, field);
+                });
+            },
+            _a));
+    };
+    return TransformRootFields;
+}());
+exports.default = TransformRootFields;
+function transformFields(type, transformer) {
+    var resolveType = schemaRecreation_1.createResolveType(function (name, originalType) {
+        return originalType;
+    });
+    var fields = type.getFields();
+    var newFields = {};
+    Object.keys(fields).forEach(function (fieldName) {
+        var field = fields[fieldName];
+        var newField = transformer(fieldName, field);
+        if (typeof newField === 'undefined') {
+            newFields[fieldName] = schemaRecreation_1.fieldToFieldConfig(field, resolveType, true);
+        }
+        else if (newField !== null) {
+            if (newField.name) {
+                newFields[newField.name] = newField.field;
+            }
+            else {
+                newFields[fieldName] = newField;
+            }
+        }
+    });
+    if (isEmptyObject_1.default(newFields)) {
+        return null;
+    }
+    else {
+        return new graphql_1.GraphQLObjectType({
+            name: type.name,
+            description: type.description,
+            astNode: type.astNode,
+            fields: newFields,
+        });
+    }
+}
+//# sourceMappingURL=TransformRootFields.js.map