@graphql-mesh/plugin-operation-field-permissions/index.js

'use strict';

const crossHelpers = require('@graphql-mesh/cross-helpers');
const operationFieldPermissions = require('@envelop/operation-field-permissions');

function useMeshOperationFieldPermissions(options) {
    return {
        onPluginInit({ addPlugin }) {
            addPlugin(operationFieldPermissions.useOperationFieldPermissions({
                getPermissions(context) {
                    const allowedFields = new Set();
                    for (const { if: condition, allow } of options.permissions) {
                        const ifFn = new Function('context', 'env', 'return ' + condition);
                        if (ifFn(context, crossHelpers.process.env)) {
                            for (const allowedField of allow) {
                                allowedFields.add(allowedField);
                            }
                        }
                    }
                    return allowedFields;
                },
            }));
        },
    };
}

module.exports = useMeshOperationFieldPermissions;