"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(module, "exports", {
    enumerable: true,
    get: function() {
        return _default;
    }
});
const _jsonmask = /*#__PURE__*/ _interop_require_default(require("json-mask"));
const _util = require("@middy/util");
function _interop_require_default(obj) {
    return obj && obj.__esModule ? obj : {
        default: obj
    };
}
const defaults = {
    filteringKeyName: 'fields'
};
const httpPartialResponseMiddleware = (opts = {})=>{
    const options = {
        ...defaults,
        ...opts
    };
    const { filteringKeyName } = options;
    const httpPartialResponseMiddlewareAfter = async (request)=>{
        const fields = request.event?.queryStringParameters?.[filteringKeyName];
        if (!fields) return;
        (0, _util.normalizeHttpResponse)(request);
        const body = request.response.body;
        const bodyIsString = typeof body === 'string';
        const parsedBody = (0, _util.jsonSafeParse)(body);
        if (typeof parsedBody !== 'object') return;
        const filteredBody = (0, _jsonmask.default)(parsedBody, fields);
        request.response.body = bodyIsString ? JSON.stringify(filteredBody) : filteredBody;
    };
    return {
        after: httpPartialResponseMiddlewareAfter
    };
};
const _default = httpPartialResponseMiddleware;