graphql-hooks/lib/middlewares/apqMiddleware.js

Graphql Hooks

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var sha256Browser = require('@aws-crypto/sha256-browser');
var buffer = require('buffer');

var __defProp = Object.defineProperty;
var __defProps = Object.defineProperties;
var __getOwnPropDescs = Object.getOwnPropertyDescriptors;
var __getOwnPropSymbols = Object.getOwnPropertySymbols;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __propIsEnum = Object.prototype.propertyIsEnumerable;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __spreadValues = (a, b) => {
  for (var prop in b || (b = {}))
    if (__hasOwnProp.call(b, prop))
      __defNormalProp(a, prop, b[prop]);
  if (__getOwnPropSymbols)
    for (var prop of __getOwnPropSymbols(b)) {
      if (__propIsEnum.call(b, prop))
        __defNormalProp(a, prop, b[prop]);
    }
  return a;
};
var __spreadProps = (a, b) => __defProps(a, __getOwnPropDescs(b));
async function sha256(query) {
  const hash = new sha256Browser.Sha256();
  hash.update(query, "utf8");
  const hashUint8Array = await hash.digest();
  const hashBuffer = buffer.Buffer.from(hashUint8Array);
  return hashBuffer.toString("hex");
}
function isPersistedQueryNotFound(error) {
  var _a, _b, _c;
  if (((_a = error == null ? void 0 : error.fetchError) == null ? void 0 : _a.type) === "PERSISTED_QUERY_NOT_FOUND") {
    return true;
  }
  let errors = (_b = error == null ? void 0 : error.graphQLErrors) != null ? _b : [];
  if (error.httpError) {
    try {
      const body = JSON.parse(error.httpError.body);
      errors = errors.concat((_c = body.errors) != null ? _c : []);
    } catch (e) {
      return false;
    }
  }
  return errors.some((e) => e.message === "PersistedQueryNotFound");
}
const APQMiddleware = async ({ operation, client, resolve, reject }, next) => {
  try {
    operation.extensions = __spreadProps(__spreadValues({}, operation.extensions), {
      persistedQuery: {
        version: 1,
        sha256Hash: await sha256(operation.query)
      }
    });
    const res = await client.requestViaHttp(
      __spreadProps(__spreadValues({}, operation), { query: null }),
      {
        fetchOptionsOverrides: { method: "GET" }
      }
    );
    if (!res.error) {
      return resolve(res);
    }
    const { error } = res;
    if (isPersistedQueryNotFound(error)) {
      next();
    } else {
      throw error;
    }
  } catch (err) {
    reject(err);
  }
};

exports.APQMiddleware = APQMiddleware;
exports.sha256 = sha256;