inital upload

node_modules/graphql/utilities/buildASTSchema.js

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+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true,
+});
+exports.buildASTSchema = buildASTSchema;
+exports.buildSchema = buildSchema;
+
+var _devAssert = require('../jsutils/devAssert.js');
+
+var _kinds = require('../language/kinds.js');
+
+var _parser = require('../language/parser.js');
+
+var _directives = require('../type/directives.js');
+
+var _schema = require('../type/schema.js');
+
+var _validate = require('../validation/validate.js');
+
+var _extendSchema = require('./extendSchema.js');
+
+/**
+ * This takes the ast of a schema document produced by the parse function in
+ * src/language/parser.js.
+ *
+ * If no schema definition is provided, then it will look for types named Query,
+ * Mutation and Subscription.
+ *
+ * Given that AST it constructs a GraphQLSchema. The resulting schema
+ * has no resolve methods, so execution will use default resolvers.
+ */
+function buildASTSchema(documentAST, options) {
+  (documentAST != null && documentAST.kind === _kinds.Kind.DOCUMENT) ||
+    (0, _devAssert.devAssert)(false, 'Must provide valid Document AST.');
+
+  if (
+    (options === null || options === void 0 ? void 0 : options.assumeValid) !==
+      true &&
+    (options === null || options === void 0
+      ? void 0
+      : options.assumeValidSDL) !== true
+  ) {
+    (0, _validate.assertValidSDL)(documentAST);
+  }
+
+  const emptySchemaConfig = {
+    description: undefined,
+    types: [],
+    directives: [],
+    extensions: Object.create(null),
+    extensionASTNodes: [],
+    assumeValid: false,
+  };
+  const config = (0, _extendSchema.extendSchemaImpl)(
+    emptySchemaConfig,
+    documentAST,
+    options,
+  );
+
+  if (config.astNode == null) {
+    for (const type of config.types) {
+      switch (type.name) {
+        // Note: While this could make early assertions to get the correctly
+        // typed values below, that would throw immediately while type system
+        // validation with validateSchema() will produce more actionable results.
+        case 'Query':
+          // @ts-expect-error validated in `validateSchema`
+          config.query = type;
+          break;
+
+        case 'Mutation':
+          // @ts-expect-error validated in `validateSchema`
+          config.mutation = type;
+          break;
+
+        case 'Subscription':
+          // @ts-expect-error validated in `validateSchema`
+          config.subscription = type;
+          break;
+      }
+    }
+  }
+
+  const directives = [
+    ...config.directives, // If specified directives were not explicitly declared, add them.
+    ..._directives.specifiedDirectives.filter((stdDirective) =>
+      config.directives.every(
+        (directive) => directive.name !== stdDirective.name,
+      ),
+    ),
+  ];
+  return new _schema.GraphQLSchema({ ...config, directives });
+}
+/**
+ * A helper function to build a GraphQLSchema directly from a source
+ * document.
+ */
+
+function buildSchema(source, options) {
+  const document = (0, _parser.parse)(source, {
+    noLocation:
+      options === null || options === void 0 ? void 0 : options.noLocation,
+    allowLegacyFragmentVariables:
+      options === null || options === void 0
+        ? void 0
+        : options.allowLegacyFragmentVariables,
+  });
+  return buildASTSchema(document, {
+    assumeValidSDL:
+      options === null || options === void 0 ? void 0 : options.assumeValidSDL,
+    assumeValid:
+      options === null || options === void 0 ? void 0 : options.assumeValid,
+  });
+}