@graphql-tools/graphql
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Fork of GraphQL.js
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JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.buildSchema = exports.buildASTSchema = void 0;
const parser_js_1 = require("../language/parser.js");
const directives_js_1 = require("../type/directives.js");
const schema_js_1 = require("../type/schema.js");
const validate_js_1 = require("../validation/validate.js");
const extendSchema_js_1 = 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) {
if ((options === null || options === void 0 ? void 0 : options.assumeValid) !== true && (options === null || options === void 0 ? void 0 : options.assumeValidSDL) !== true) {
(0, validate_js_1.assertValidSDL)(documentAST);
}
const emptySchemaConfig = {
description: undefined,
types: [],
directives: [],
extensions: Object.create(null),
extensionASTNodes: [],
assumeValid: false,
};
const config = (0, extendSchema_js_1.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_js_1.specifiedDirectives.filter(stdDirective => config.directives.every(directive => directive.name !== stdDirective.name)),
];
return new schema_js_1.GraphQLSchema({ ...config, directives });
}
exports.buildASTSchema = buildASTSchema;
/**
* A helper function to build a GraphQLSchema directly from a source
* document.
*/
function buildSchema(source, options) {
const document = (0, parser_js_1.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,
});
}
exports.buildSchema = buildSchema;