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import { devAssert } from '../jsutils/devAssert.mjs';
import { Kind } from '../language/kinds.mjs';
import { parse } from '../language/parser.mjs';
import { specifiedDirectives } from '../type/directives.mjs';
import { GraphQLSchema } from '../type/schema.mjs';
import { assertValidSDL } from '../validation/validate.mjs';
import { extendSchemaImpl } from './extendSchema.mjs';
/**
* 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.
*/
export function buildASTSchema(documentAST, options) {
(documentAST != null && documentAST.kind === Kind.DOCUMENT) ||
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
) {
assertValidSDL(documentAST);
}
const emptySchemaConfig = {
description: undefined,
types: [],
directives: [],
extensions: Object.create(null),
extensionASTNodes: [],
assumeValid: false,
};
const config = 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.
...specifiedDirectives.filter((stdDirective) =>
config.directives.every(
(directive) => directive.name !== stdDirective.name,
),
),
];
return new GraphQLSchema({ ...config, directives });
}
/**
* A helper function to build a GraphQLSchema directly from a source
* document.
*/
export function buildSchema(source, options) {
const document = 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,
});
}
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