@graphql-tools/utils/esm/forEachField.js

Common package containing utils and types for GraphQL tools

import { getNamedType, isObjectType } from 'graphql';
export function forEachField(schema, fn) {
    const typeMap = schema.getTypeMap();
    for (const typeName in typeMap) {
        const type = typeMap[typeName];
        // TODO: maybe have an option to include these?
        if (!getNamedType(type).name.startsWith('__') && isObjectType(type)) {
            const fields = type.getFields();
            for (const fieldName in fields) {
                const field = fields[fieldName];
                fn(field, typeName, fieldName);
            }
        }
    }
}