tupleson/lib/async/handlers/tsonPromise.js

A hackable JSON serializer/deserializer

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var tsonPromise_exports = {};
__export(tsonPromise_exports, {
  tsonPromise: () => tsonPromise
});
module.exports = __toCommonJS(tsonPromise_exports);
var import_asyncErrors = require("../asyncErrors.js");
function isPromise(value) {
  return !!value && typeof value === "object" && "then" in value && typeof value.catch === "function";
}
const PROMISE_RESOLVED = 0;
const PROMISE_REJECTED = 1;
const tsonPromise = {
  async: true,
  deserialize: (opts) => {
    const promise = new Promise((resolve, reject) => {
      async function _handle() {
        const next = await opts.reader.read();
        opts.close();
        if (next.done) {
          throw new import_asyncErrors.TsonPromiseRejectionError(
            "Expected promise value, got done"
          );
        }
        const { value } = next;
        if (value instanceof import_asyncErrors.TsonStreamInterruptedError) {
          reject(import_asyncErrors.TsonPromiseRejectionError.from(value));
          return;
        }
        const [status, result] = value;
        status === PROMISE_RESOLVED ? resolve(result) : reject(import_asyncErrors.TsonPromiseRejectionError.from(result));
      }
      void _handle().catch(reject);
    });
    promise.catch(() => {
    });
    return promise;
  },
  key: "Promise",
  serializeIterator(opts) {
    const value = opts.value.then((value2) => [PROMISE_RESOLVED, value2]).catch((err) => [PROMISE_REJECTED, err]);
    return async function* generator() {
      yield await value;
    }();
  },
  test: isPromise
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  tsonPromise
});
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