137 lines
4.2 KiB
JavaScript
137 lines
4.2 KiB
JavaScript
"use strict";
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var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.asyncAct = asyncAct;
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exports.default = void 0;
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var _react = _interopRequireDefault(require("react"));
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var _reactDom = _interopRequireDefault(require("react-dom"));
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var testUtils = _interopRequireWildcard(require("react-dom/test-utils"));
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const reactAct = testUtils.act;
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const actSupported = reactAct !== undefined; // act is supported react-dom@16.8.0
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// so for versions that don't have act from test utils
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// we do this little polyfill. No warnings, but it's
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// better than nothing.
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function actPolyfill(cb) {
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_reactDom.default.unstable_batchedUpdates(cb);
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_reactDom.default.render(_react.default.createElement("div", null), document.createElement('div'));
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}
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const act = reactAct || actPolyfill;
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let youHaveBeenWarned = false;
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let isAsyncActSupported = null;
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function asyncAct(cb) {
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if (actSupported === true) {
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if (isAsyncActSupported === null) {
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return new Promise((resolve, reject) => {
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// patch console.error here
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const originalConsoleError = console.error;
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console.error = function (...args) {
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/* if console.error fired *with that specific message* */
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/* istanbul ignore next */
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const firstArgIsString = typeof args[0] === 'string';
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if (firstArgIsString && args[0].indexOf('Warning: Do not await the result of calling ReactTestUtils.act') === 0) {
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// v16.8.6
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isAsyncActSupported = false;
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} else if (!(firstArgIsString && args[0].indexOf('Warning: The callback passed to ReactTestUtils.act(...) function must not return anything') === 0)) {
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originalConsoleError.apply(console, args);
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}
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};
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let cbReturn, result;
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try {
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result = reactAct(() => {
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cbReturn = cb();
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return cbReturn;
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});
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} catch (err) {
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console.error = originalConsoleError;
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reject(err);
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return;
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}
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result.then(() => {
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console.error = originalConsoleError; // if it got here, it means async act is supported
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isAsyncActSupported = true;
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resolve();
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}, err => {
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console.error = originalConsoleError;
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isAsyncActSupported = true;
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reject(err);
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}); // 16.8.6's act().then() doesn't call a resolve handler, so we need to manually flush here, sigh
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if (isAsyncActSupported === false) {
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console.error = originalConsoleError;
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/* istanbul ignore next */
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if (!youHaveBeenWarned) {
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// if act is supported and async act isn't and they're trying to use async
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// act, then they need to upgrade from 16.8 to 16.9.
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// This is a seemless upgrade, so we'll add a warning
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console.error(`It looks like you're using a version of react-dom that supports the "act" function, but not an awaitable version of "act" which you will need. Please upgrade to at least react-dom@16.9.0 to remove this warning.`);
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youHaveBeenWarned = true;
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}
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cbReturn.then(() => {
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// a faux-version.
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// todo - copy https://github.com/facebook/react/blob/master/packages/shared/enqueueTask.js
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Promise.resolve().then(() => {
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// use sync act to flush effects
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act(() => {});
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resolve();
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});
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}, reject);
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}
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});
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} else if (isAsyncActSupported === false) {
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// use the polyfill directly
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let result;
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act(() => {
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result = cb();
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});
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return result.then(() => {
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return Promise.resolve().then(() => {
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// use sync act to flush effects
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act(() => {});
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});
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});
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} // all good! regular act
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return act(cb);
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} // use the polyfill
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let result;
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act(() => {
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result = cb();
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});
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return result.then(() => {
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return Promise.resolve().then(() => {
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// use sync act to flush effects
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act(() => {});
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});
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});
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}
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var _default = act;
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/* eslint no-console:0 */
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exports.default = _default; |