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101 lines
3.5 KiB
JavaScript
101 lines
3.5 KiB
JavaScript
import devAssert from "../jsutils/devAssert.mjs";
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import { Kind } from "../language/kinds.mjs";
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import { parse } from "../language/parser.mjs";
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import { assertValidSDL } from "../validation/validate.mjs";
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import { GraphQLSchema } from "../type/schema.mjs";
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import { specifiedDirectives } from "../type/directives.mjs";
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import { extendSchemaImpl } from "./extendSchema.mjs";
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/**
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* This takes the ast of a schema document produced by the parse function in
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* src/language/parser.js.
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*
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* If no schema definition is provided, then it will look for types named Query
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* and Mutation.
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*
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* Given that AST it constructs a GraphQLSchema. The resulting schema
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* has no resolve methods, so execution will use default resolvers.
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*
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* Accepts options as a second argument:
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*
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* - commentDescriptions:
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* Provide true to use preceding comments as the description.
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*
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*/
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export function buildASTSchema(documentAST, options) {
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documentAST != null && documentAST.kind === Kind.DOCUMENT || devAssert(0, 'Must provide valid Document AST.');
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if ((options === null || options === void 0 ? void 0 : options.assumeValid) !== true && (options === null || options === void 0 ? void 0 : options.assumeValidSDL) !== true) {
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assertValidSDL(documentAST);
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}
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var emptySchemaConfig = {
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description: undefined,
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types: [],
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directives: [],
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extensions: undefined,
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extensionASTNodes: [],
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assumeValid: false
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};
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var config = extendSchemaImpl(emptySchemaConfig, documentAST, options);
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if (config.astNode == null) {
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for (var _i2 = 0, _config$types2 = config.types; _i2 < _config$types2.length; _i2++) {
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var type = _config$types2[_i2];
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switch (type.name) {
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// Note: While this could make early assertions to get the correctly
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// typed values below, that would throw immediately while type system
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// validation with validateSchema() will produce more actionable results.
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case 'Query':
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config.query = type;
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break;
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case 'Mutation':
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config.mutation = type;
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break;
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case 'Subscription':
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config.subscription = type;
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break;
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}
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}
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}
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var directives = config.directives; // If specified directives were not explicitly declared, add them.
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var _loop = function _loop(_i4) {
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var stdDirective = specifiedDirectives[_i4];
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if (directives.every(function (directive) {
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return directive.name !== stdDirective.name;
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})) {
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directives.push(stdDirective);
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}
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};
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for (var _i4 = 0; _i4 < specifiedDirectives.length; _i4++) {
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_loop(_i4);
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}
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return new GraphQLSchema(config);
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}
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/**
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* A helper function to build a GraphQLSchema directly from a source
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* document.
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*/
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export function buildSchema(source, options) {
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var document = parse(source, {
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noLocation: options === null || options === void 0 ? void 0 : options.noLocation,
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allowLegacySDLEmptyFields: options === null || options === void 0 ? void 0 : options.allowLegacySDLEmptyFields,
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allowLegacySDLImplementsInterfaces: options === null || options === void 0 ? void 0 : options.allowLegacySDLImplementsInterfaces,
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experimentalFragmentVariables: options === null || options === void 0 ? void 0 : options.experimentalFragmentVariables
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});
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return buildASTSchema(document, {
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commentDescriptions: options === null || options === void 0 ? void 0 : options.commentDescriptions,
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assumeValidSDL: options === null || options === void 0 ? void 0 : options.assumeValidSDL,
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assumeValid: options === null || options === void 0 ? void 0 : options.assumeValid
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});
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}
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