@urql/exchange-request-policy/dist/urql-exchange-request-policy.mjs

An exchange for operation request-policy upgrading in urql

import { makeOperation as e } from "@urql/core";

import { tap as r, map as t } from "wonka";

var requestPolicyExchange = a => ({forward: o}) => {
  var n = new Map;
  var i = (a || {}).ttl || 3e5;
  var c = new Map;
  var u = 0;
  var processIncomingOperation = r => {
    if ("query" !== r.kind || "cache-first" !== r.context.requestPolicy && "cache-only" !== r.context.requestPolicy) {
      return r;
    }
    var t = (new Date).getTime();
    c.set(r.key, u);
    queueMicrotask((() => {
      u = u + 1 | 0;
    }));
    if (t - (n.get(r.key) || 0) > i && (!a.shouldUpgrade || a.shouldUpgrade(r))) {
      return e(r.kind, r, {
        ...r.context,
        requestPolicy: "cache-and-network"
      });
    }
    return r;
  };
  var processIncomingResults = e => {
    var r = c.get(e.operation.key) || 0;
    if (u !== r) {
      c.delete(e.operation.key);
      n.set(e.operation.key, (new Date).getTime());
    }
  };
  return e => r(processIncomingResults)(o(t(processIncomingOperation)(e)));
};

export { requestPolicyExchange };
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