@magidoc/rollup-plugin-gql-schema/build/schema/print.js

A Rollup and ViteJS plugin that allows to parse a GraphQL Schema from a target URL and save it to a target output folder, or to parse it from the disk and convert it to a desired format.

import { printSchema, isSpecifiedScalarType, print, isSpecifiedDirective } from 'graphql';

function printSchemaWithDirectives(schema) {
    const sdlWithDirectives = printAstNodesWithDirectives(schema);
    // Means that there are no AST nodes present
    if (sdlWithDirectives.trim().length === 0)
        return printSchema(schema);
    return sdlWithDirectives;
}
function printAstNodesWithDirectives(schema) {
    const str = Object.values(schema.getTypeMap())
        .filter((k) => !k.name.match(/^__/))
        .reduce((accum, type) => {
        if (isSpecifiedScalarType(type))
            return accum;
        const typeString = type.astNode ? print(type.astNode) : '';
        const extensionString = type.extensionASTNodes ? type.extensionASTNodes.map((ast) => print(ast)).join('\n') : '';
        return `${accum}\n${typeString}\n${extensionString}\n`;
    }, '');
    return schema.getDirectives().reduce((accum, d) => {
        if (!d.astNode)
            return accum;
        return !isSpecifiedDirective(d) ? `${accum}${print(d.astNode)}\n` : accum;
    }, `${str}${schema.astNode ? print(schema.astNode) : ''}\n`);
}

export { printSchemaWithDirectives };
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