160 lines
3.7 KiB
JavaScript
160 lines
3.7 KiB
JavaScript
/** @license React v16.12.0
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* react-dom-unstable-fizz.browser.development.js
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*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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'use strict';
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if (process.env.NODE_ENV !== "production") {
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(function() {
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'use strict';
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function scheduleWork(callback) {
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callback();
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}
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function flushBuffered(destination) {// WHATWG Streams do not yet have a way to flush the underlying
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// transform streams. https://github.com/whatwg/streams/issues/960
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}
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function writeChunk(destination, buffer) {
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destination.enqueue(buffer);
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return destination.desiredSize > 0;
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}
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function close(destination) {
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destination.close();
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}
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var textEncoder = new TextEncoder();
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function convertStringToBuffer(content) {
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return textEncoder.encode(content);
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}
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function formatChunkAsString(type, props) {
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var str = '<' + type + '>';
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if (typeof props.children === 'string') {
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str += props.children;
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}
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str += '</' + type + '>';
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return str;
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}
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function formatChunk(type, props) {
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return convertStringToBuffer(formatChunkAsString(type, props));
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}
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// The Symbol used to tag the ReactElement-like types. If there is no native Symbol
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// nor polyfill, then a plain number is used for performance.
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var hasSymbol = typeof Symbol === 'function' && Symbol.for;
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var REACT_ELEMENT_TYPE = hasSymbol ? Symbol.for('react.element') : 0xeac7;
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// TODO: We don't use AsyncMode or ConcurrentMode anymore. They were temporary
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// (unstable) APIs that have been removed. Can we remove the symbols?
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function createRequest(children, destination) {
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return {
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destination: destination,
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children: children,
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completedChunks: [],
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flowing: false
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};
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}
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function performWork(request) {
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var element = request.children;
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request.children = null;
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if (element && element.$$typeof !== REACT_ELEMENT_TYPE) {
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return;
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}
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var type = element.type;
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var props = element.props;
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if (typeof type !== 'string') {
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return;
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}
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request.completedChunks.push(formatChunk(type, props));
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if (request.flowing) {
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flushCompletedChunks(request);
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}
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flushBuffered(request.destination);
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}
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function flushCompletedChunks(request) {
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var destination = request.destination;
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var chunks = request.completedChunks;
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request.completedChunks = [];
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try {
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for (var i = 0; i < chunks.length; i++) {
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var chunk = chunks[i];
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writeChunk(destination, chunk);
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}
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} finally {
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}
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close(destination);
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}
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function startWork(request) {
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request.flowing = true;
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scheduleWork(function () {
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return performWork(request);
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});
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}
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function startFlowing(request) {
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request.flowing = false;
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flushCompletedChunks(request);
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}
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// This file intentionally does *not* have the Flow annotation.
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// Don't add it. See `./inline-typed.js` for an explanation.
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function renderToReadableStream(children) {
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var request;
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return new ReadableStream({
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start: function (controller) {
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request = createRequest(children, controller);
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startWork(request);
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},
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pull: function (controller) {
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startFlowing(request);
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},
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cancel: function (reason) {}
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});
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}
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var ReactDOMFizzServerBrowser = {
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renderToReadableStream: renderToReadableStream
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};
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var ReactDOMFizzServerBrowser$1 = Object.freeze({
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default: ReactDOMFizzServerBrowser
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});
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var ReactDOMFizzServerBrowser$2 = ( ReactDOMFizzServerBrowser$1 && ReactDOMFizzServerBrowser ) || ReactDOMFizzServerBrowser$1;
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// TODO: decide on the top-level export form.
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// This is hacky but makes it work with both Rollup and Jest
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var unstableFizz_browser = ReactDOMFizzServerBrowser$2.default || ReactDOMFizzServerBrowser$2;
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module.exports = unstableFizz_browser;
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})();
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}
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