graphql-yoga/esm/plugins/requestParser/POSTMultipart.js

import { dset } from 'dset';
import { isContentTypeMatch } from './utils.js';
export function isPOSTMultipartRequest(request) {
    return (request.method === 'POST' &&
        isContentTypeMatch(request, 'multipart/form-data'));
}
export async function parsePOSTMultipartRequest(request) {
    const requestBody = await request.formData();
    const operationsStr = requestBody.get('operations')?.toString() || '{}';
    const operations = JSON.parse(operationsStr);
    const mapStr = requestBody.get('map')?.toString() || '{}';
    const map = JSON.parse(mapStr);
    for (const fileIndex in map) {
        const file = requestBody.get(fileIndex);
        const keys = map[fileIndex];
        for (const key of keys) {
            dset(operations, key, file);
        }
    }
    return operations;
}