@testing-library/react-native/build/act.js

Simple and complete React Native testing utilities that encourage good testing practices.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
exports.getIsReactActEnvironment = getIsReactActEnvironment;
exports.setReactActEnvironment = setIsReactActEnvironment;
var React = _interopRequireWildcard(require("react"));
var _reactTestRenderer = require("react-test-renderer");
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
// This file and the act() implementation is sourced from react-testing-library
// https://github.com/testing-library/react-testing-library/blob/3dcd8a9649e25054c0e650d95fca2317b7008576/types/index.d.ts

const reactAct = typeof React.act === 'function' ? React.act : _reactTestRenderer.act;

// See https://github.com/reactwg/react-18/discussions/102 for more context on global.IS_REACT_ACT_ENVIRONMENT

function setIsReactActEnvironment(isReactActEnvironment) {
  globalThis.IS_REACT_ACT_ENVIRONMENT = isReactActEnvironment;
}
function getIsReactActEnvironment() {
  return globalThis.IS_REACT_ACT_ENVIRONMENT;
}
function withGlobalActEnvironment(actImplementation) {
  return callback => {
    const previousActEnvironment = getIsReactActEnvironment();
    setIsReactActEnvironment(true);
    try {
      // The return value of `act` is always a thenable.
      let callbackNeedsToBeAwaited = false;
      const actResult = actImplementation(() => {
        const result = callback();
        // @ts-expect-error TS is too strict here
        if (result !== null && typeof result === 'object' && typeof result.then === 'function') {
          callbackNeedsToBeAwaited = true;
        }
        return result;
      });
      if (callbackNeedsToBeAwaited) {
        const thenable = actResult;
        return {
          then: (resolve, reject) => {
            // eslint-disable-next-line promise/catch-or-return, promise/prefer-await-to-then
            thenable.then(
            // eslint-disable-next-line promise/always-return
            returnValue => {
              setIsReactActEnvironment(previousActEnvironment);
              resolve(returnValue);
            }, error => {
              setIsReactActEnvironment(previousActEnvironment);
              reject(error);
            });
          }
        };
      } else {
        setIsReactActEnvironment(previousActEnvironment);
        return actResult;
      }
    } catch (error) {
      // Can't be a `finally {}` block since we don't know if we have to immediately restore IS_REACT_ACT_ENVIRONMENT
      // or if we have to await the callback first.
      setIsReactActEnvironment(previousActEnvironment);
      throw error;
    }
  };
}

// @ts-expect-error: typings get too complex
const act = withGlobalActEnvironment(reactAct);
var _default = exports.default = act;
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