698 lines
22 KiB
JavaScript
698 lines
22 KiB
JavaScript
/** @license React vundefined
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* react-refresh-runtime.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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// ATTENTION
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// When adding new symbols to this file,
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// Please consider also adding to 'react-devtools-shared/src/backend/ReactSymbols'
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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 REACT_ELEMENT_TYPE = 0xeac7;
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var REACT_PORTAL_TYPE = 0xeaca;
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var REACT_FRAGMENT_TYPE = 0xeacb;
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var REACT_STRICT_MODE_TYPE = 0xeacc;
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var REACT_PROFILER_TYPE = 0xead2;
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var REACT_PROVIDER_TYPE = 0xeacd;
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var REACT_CONTEXT_TYPE = 0xeace;
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var REACT_FORWARD_REF_TYPE = 0xead0;
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var REACT_SUSPENSE_TYPE = 0xead1;
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var REACT_SUSPENSE_LIST_TYPE = 0xead8;
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var REACT_MEMO_TYPE = 0xead3;
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var REACT_LAZY_TYPE = 0xead4;
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var REACT_SCOPE_TYPE = 0xead7;
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var REACT_DEBUG_TRACING_MODE_TYPE = 0xeae1;
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var REACT_OFFSCREEN_TYPE = 0xeae2;
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var REACT_LEGACY_HIDDEN_TYPE = 0xeae3;
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var REACT_CACHE_TYPE = 0xeae4;
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if (typeof Symbol === 'function' && Symbol.for) {
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var symbolFor = Symbol.for;
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REACT_ELEMENT_TYPE = symbolFor('react.element');
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REACT_PORTAL_TYPE = symbolFor('react.portal');
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REACT_FRAGMENT_TYPE = symbolFor('react.fragment');
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REACT_STRICT_MODE_TYPE = symbolFor('react.strict_mode');
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REACT_PROFILER_TYPE = symbolFor('react.profiler');
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REACT_PROVIDER_TYPE = symbolFor('react.provider');
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REACT_CONTEXT_TYPE = symbolFor('react.context');
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REACT_FORWARD_REF_TYPE = symbolFor('react.forward_ref');
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REACT_SUSPENSE_TYPE = symbolFor('react.suspense');
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REACT_SUSPENSE_LIST_TYPE = symbolFor('react.suspense_list');
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REACT_MEMO_TYPE = symbolFor('react.memo');
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REACT_LAZY_TYPE = symbolFor('react.lazy');
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REACT_SCOPE_TYPE = symbolFor('react.scope');
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REACT_DEBUG_TRACING_MODE_TYPE = symbolFor('react.debug_trace_mode');
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REACT_OFFSCREEN_TYPE = symbolFor('react.offscreen');
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REACT_LEGACY_HIDDEN_TYPE = symbolFor('react.legacy_hidden');
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REACT_CACHE_TYPE = symbolFor('react.cache');
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}
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var PossiblyWeakMap = typeof WeakMap === 'function' ? WeakMap : Map; // We never remove these associations.
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// It's OK to reference families, but use WeakMap/Set for types.
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var allFamiliesByID = new Map();
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var allFamiliesByType = new PossiblyWeakMap();
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var allSignaturesByType = new PossiblyWeakMap(); // This WeakMap is read by React, so we only put families
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// that have actually been edited here. This keeps checks fast.
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// $FlowIssue
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var updatedFamiliesByType = new PossiblyWeakMap(); // This is cleared on every performReactRefresh() call.
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// It is an array of [Family, NextType] tuples.
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var pendingUpdates = []; // This is injected by the renderer via DevTools global hook.
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var helpersByRendererID = new Map();
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var helpersByRoot = new Map(); // We keep track of mounted roots so we can schedule updates.
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var mountedRoots = new Set(); // If a root captures an error, we remember it so we can retry on edit.
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var failedRoots = new Set(); // In environments that support WeakMap, we also remember the last element for every root.
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// It needs to be weak because we do this even for roots that failed to mount.
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// If there is no WeakMap, we won't attempt to do retrying.
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// $FlowIssue
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var rootElements = // $FlowIssue
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typeof WeakMap === 'function' ? new WeakMap() : null;
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var isPerformingRefresh = false;
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function computeFullKey(signature) {
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if (signature.fullKey !== null) {
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return signature.fullKey;
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}
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var fullKey = signature.ownKey;
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var hooks;
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try {
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hooks = signature.getCustomHooks();
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} catch (err) {
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// This can happen in an edge case, e.g. if expression like Foo.useSomething
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// depends on Foo which is lazily initialized during rendering.
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// In that case just assume we'll have to remount.
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signature.forceReset = true;
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signature.fullKey = fullKey;
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return fullKey;
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}
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for (var i = 0; i < hooks.length; i++) {
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var hook = hooks[i];
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if (typeof hook !== 'function') {
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// Something's wrong. Assume we need to remount.
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signature.forceReset = true;
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signature.fullKey = fullKey;
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return fullKey;
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}
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var nestedHookSignature = allSignaturesByType.get(hook);
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if (nestedHookSignature === undefined) {
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// No signature means Hook wasn't in the source code, e.g. in a library.
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// We'll skip it because we can assume it won't change during this session.
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continue;
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}
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var nestedHookKey = computeFullKey(nestedHookSignature);
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if (nestedHookSignature.forceReset) {
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signature.forceReset = true;
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}
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fullKey += '\n---\n' + nestedHookKey;
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}
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signature.fullKey = fullKey;
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return fullKey;
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}
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function haveEqualSignatures(prevType, nextType) {
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var prevSignature = allSignaturesByType.get(prevType);
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var nextSignature = allSignaturesByType.get(nextType);
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if (prevSignature === undefined && nextSignature === undefined) {
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return true;
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}
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if (prevSignature === undefined || nextSignature === undefined) {
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return false;
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}
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if (computeFullKey(prevSignature) !== computeFullKey(nextSignature)) {
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return false;
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}
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if (nextSignature.forceReset) {
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return false;
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}
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return true;
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}
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function isReactClass(type) {
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return type.prototype && type.prototype.isReactComponent;
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}
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function canPreserveStateBetween(prevType, nextType) {
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if (isReactClass(prevType) || isReactClass(nextType)) {
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return false;
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}
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if (haveEqualSignatures(prevType, nextType)) {
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return true;
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}
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return false;
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}
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function resolveFamily(type) {
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// Only check updated types to keep lookups fast.
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return updatedFamiliesByType.get(type);
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} // If we didn't care about IE11, we could use new Map/Set(iterable).
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function cloneMap(map) {
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var clone = new Map();
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map.forEach(function (value, key) {
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clone.set(key, value);
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});
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return clone;
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}
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function cloneSet(set) {
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var clone = new Set();
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set.forEach(function (value) {
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clone.add(value);
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});
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return clone;
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} // This is a safety mechanism to protect against rogue getters and Proxies.
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function getProperty(object, property) {
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try {
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return object[property];
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} catch (err) {
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// Intentionally ignore.
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return undefined;
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}
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}
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function performReactRefresh() {
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if (pendingUpdates.length === 0) {
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return null;
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}
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if (isPerformingRefresh) {
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return null;
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}
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isPerformingRefresh = true;
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try {
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var staleFamilies = new Set();
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var updatedFamilies = new Set();
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var updates = pendingUpdates;
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pendingUpdates = [];
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updates.forEach(function (_ref) {
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var family = _ref[0],
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nextType = _ref[1];
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// Now that we got a real edit, we can create associations
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// that will be read by the React reconciler.
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var prevType = family.current;
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updatedFamiliesByType.set(prevType, family);
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updatedFamiliesByType.set(nextType, family);
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family.current = nextType; // Determine whether this should be a re-render or a re-mount.
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if (canPreserveStateBetween(prevType, nextType)) {
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updatedFamilies.add(family);
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} else {
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staleFamilies.add(family);
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}
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}); // TODO: rename these fields to something more meaningful.
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var update = {
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updatedFamilies: updatedFamilies,
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// Families that will re-render preserving state
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staleFamilies: staleFamilies // Families that will be remounted
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};
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helpersByRendererID.forEach(function (helpers) {
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// Even if there are no roots, set the handler on first update.
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// This ensures that if *new* roots are mounted, they'll use the resolve handler.
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helpers.setRefreshHandler(resolveFamily);
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});
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var didError = false;
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var firstError = null; // We snapshot maps and sets that are mutated during commits.
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// If we don't do this, there is a risk they will be mutated while
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// we iterate over them. For example, trying to recover a failed root
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// may cause another root to be added to the failed list -- an infinite loop.
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var failedRootsSnapshot = cloneSet(failedRoots);
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var mountedRootsSnapshot = cloneSet(mountedRoots);
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var helpersByRootSnapshot = cloneMap(helpersByRoot);
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failedRootsSnapshot.forEach(function (root) {
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var helpers = helpersByRootSnapshot.get(root);
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if (helpers === undefined) {
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throw new Error('Could not find helpers for a root. This is a bug in React Refresh.');
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}
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if (!failedRoots.has(root)) {// No longer failed.
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}
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if (rootElements === null) {
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return;
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}
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if (!rootElements.has(root)) {
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return;
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}
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var element = rootElements.get(root);
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try {
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helpers.scheduleRoot(root, element);
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} catch (err) {
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if (!didError) {
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didError = true;
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firstError = err;
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} // Keep trying other roots.
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}
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});
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mountedRootsSnapshot.forEach(function (root) {
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var helpers = helpersByRootSnapshot.get(root);
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if (helpers === undefined) {
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throw new Error('Could not find helpers for a root. This is a bug in React Refresh.');
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}
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if (!mountedRoots.has(root)) {// No longer mounted.
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}
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try {
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helpers.scheduleRefresh(root, update);
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} catch (err) {
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if (!didError) {
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didError = true;
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firstError = err;
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} // Keep trying other roots.
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}
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});
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if (didError) {
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throw firstError;
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}
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return update;
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} finally {
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isPerformingRefresh = false;
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}
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}
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function register(type, id) {
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{
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if (type === null) {
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return;
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}
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if (typeof type !== 'function' && typeof type !== 'object') {
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return;
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} // This can happen in an edge case, e.g. if we register
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// return value of a HOC but it returns a cached component.
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// Ignore anything but the first registration for each type.
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if (allFamiliesByType.has(type)) {
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return;
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} // Create family or remember to update it.
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// None of this bookkeeping affects reconciliation
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// until the first performReactRefresh() call above.
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var family = allFamiliesByID.get(id);
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if (family === undefined) {
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family = {
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current: type
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};
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allFamiliesByID.set(id, family);
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} else {
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pendingUpdates.push([family, type]);
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}
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allFamiliesByType.set(type, family); // Visit inner types because we might not have registered them.
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if (typeof type === 'object' && type !== null) {
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switch (getProperty(type, '$$typeof')) {
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case REACT_FORWARD_REF_TYPE:
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register(type.render, id + '$render');
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break;
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case REACT_MEMO_TYPE:
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register(type.type, id + '$type');
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break;
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}
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}
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}
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}
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function setSignature(type, key) {
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var forceReset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
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var getCustomHooks = arguments.length > 3 ? arguments[3] : undefined;
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{
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if (!allSignaturesByType.has(type)) {
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allSignaturesByType.set(type, {
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forceReset: forceReset,
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ownKey: key,
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fullKey: null,
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getCustomHooks: getCustomHooks || function () {
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return [];
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}
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});
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} // Visit inner types because we might not have signed them.
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if (typeof type === 'object' && type !== null) {
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switch (getProperty(type, '$$typeof')) {
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case REACT_FORWARD_REF_TYPE:
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setSignature(type.render, key, forceReset, getCustomHooks);
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break;
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case REACT_MEMO_TYPE:
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setSignature(type.type, key, forceReset, getCustomHooks);
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break;
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}
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}
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}
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} // This is lazily called during first render for a type.
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// It captures Hook list at that time so inline requires don't break comparisons.
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function collectCustomHooksForSignature(type) {
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{
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var signature = allSignaturesByType.get(type);
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if (signature !== undefined) {
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computeFullKey(signature);
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}
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}
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}
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function getFamilyByID(id) {
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{
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return allFamiliesByID.get(id);
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}
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}
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function getFamilyByType(type) {
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{
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return allFamiliesByType.get(type);
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}
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}
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function findAffectedHostInstances(families) {
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{
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var affectedInstances = new Set();
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mountedRoots.forEach(function (root) {
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var helpers = helpersByRoot.get(root);
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if (helpers === undefined) {
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throw new Error('Could not find helpers for a root. This is a bug in React Refresh.');
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}
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var instancesForRoot = helpers.findHostInstancesForRefresh(root, families);
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instancesForRoot.forEach(function (inst) {
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affectedInstances.add(inst);
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});
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});
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return affectedInstances;
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}
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}
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function injectIntoGlobalHook(globalObject) {
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{
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// For React Native, the global hook will be set up by require('react-devtools-core').
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// That code will run before us. So we need to monkeypatch functions on existing hook.
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// For React Web, the global hook will be set up by the extension.
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// This will also run before us.
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var hook = globalObject.__REACT_DEVTOOLS_GLOBAL_HOOK__;
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if (hook === undefined) {
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// However, if there is no DevTools extension, we'll need to set up the global hook ourselves.
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// Note that in this case it's important that renderer code runs *after* this method call.
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// Otherwise, the renderer will think that there is no global hook, and won't do the injection.
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var nextID = 0;
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globalObject.__REACT_DEVTOOLS_GLOBAL_HOOK__ = hook = {
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renderers: new Map(),
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supportsFiber: true,
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inject: function (injected) {
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return nextID++;
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},
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onScheduleFiberRoot: function (id, root, children) {},
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onCommitFiberRoot: function (id, root, maybePriorityLevel, didError) {},
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onCommitFiberUnmount: function () {}
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};
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}
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if (hook.isDisabled) {
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// This isn't a real property on the hook, but it can be set to opt out
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// of DevTools integration and associated warnings and logs.
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// Using console['warn'] to evade Babel and ESLint
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console['warn']('Something has shimmed the React DevTools global hook (__REACT_DEVTOOLS_GLOBAL_HOOK__). ' + 'Fast Refresh is not compatible with this shim and will be disabled.');
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return;
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} // Here, we just want to get a reference to scheduleRefresh.
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var oldInject = hook.inject;
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hook.inject = function (injected) {
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var id = oldInject.apply(this, arguments);
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if (typeof injected.scheduleRefresh === 'function' && typeof injected.setRefreshHandler === 'function') {
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// This version supports React Refresh.
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helpersByRendererID.set(id, injected);
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}
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return id;
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}; // Do the same for any already injected roots.
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// This is useful if ReactDOM has already been initialized.
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// https://github.com/facebook/react/issues/17626
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hook.renderers.forEach(function (injected, id) {
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if (typeof injected.scheduleRefresh === 'function' && typeof injected.setRefreshHandler === 'function') {
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// This version supports React Refresh.
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helpersByRendererID.set(id, injected);
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}
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}); // We also want to track currently mounted roots.
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var oldOnCommitFiberRoot = hook.onCommitFiberRoot;
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var oldOnScheduleFiberRoot = hook.onScheduleFiberRoot || function () {};
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hook.onScheduleFiberRoot = function (id, root, children) {
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if (!isPerformingRefresh) {
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// If it was intentionally scheduled, don't attempt to restore.
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// This includes intentionally scheduled unmounts.
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failedRoots.delete(root);
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if (rootElements !== null) {
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rootElements.set(root, children);
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}
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}
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return oldOnScheduleFiberRoot.apply(this, arguments);
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};
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hook.onCommitFiberRoot = function (id, root, maybePriorityLevel, didError) {
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var helpers = helpersByRendererID.get(id);
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if (helpers !== undefined) {
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helpersByRoot.set(root, helpers);
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var current = root.current;
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var alternate = current.alternate; // We need to determine whether this root has just (un)mounted.
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// This logic is copy-pasted from similar logic in the DevTools backend.
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// If this breaks with some refactoring, you'll want to update DevTools too.
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if (alternate !== null) {
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var wasMounted = alternate.memoizedState != null && alternate.memoizedState.element != null;
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var isMounted = current.memoizedState != null && current.memoizedState.element != null;
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if (!wasMounted && isMounted) {
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// Mount a new root.
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mountedRoots.add(root);
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failedRoots.delete(root);
|
|
} else if (wasMounted && isMounted) ; else if (wasMounted && !isMounted) {
|
|
// Unmount an existing root.
|
|
mountedRoots.delete(root);
|
|
|
|
if (didError) {
|
|
// We'll remount it on future edits.
|
|
failedRoots.add(root);
|
|
} else {
|
|
helpersByRoot.delete(root);
|
|
}
|
|
} else if (!wasMounted && !isMounted) {
|
|
if (didError) {
|
|
// We'll remount it on future edits.
|
|
failedRoots.add(root);
|
|
}
|
|
}
|
|
} else {
|
|
// Mount a new root.
|
|
mountedRoots.add(root);
|
|
}
|
|
} // Always call the decorated DevTools hook.
|
|
|
|
|
|
return oldOnCommitFiberRoot.apply(this, arguments);
|
|
};
|
|
}
|
|
}
|
|
function hasUnrecoverableErrors() {
|
|
// TODO: delete this after removing dependency in RN.
|
|
return false;
|
|
} // Exposed for testing.
|
|
|
|
function _getMountedRootCount() {
|
|
{
|
|
return mountedRoots.size;
|
|
}
|
|
} // This is a wrapper over more primitive functions for setting signature.
|
|
// Signatures let us decide whether the Hook order has changed on refresh.
|
|
//
|
|
// This function is intended to be used as a transform target, e.g.:
|
|
// var _s = createSignatureFunctionForTransform()
|
|
//
|
|
// function Hello() {
|
|
// const [foo, setFoo] = useState(0);
|
|
// const value = useCustomHook();
|
|
// _s(); /* Call without arguments triggers collecting the custom Hook list.
|
|
// * This doesn't happen during the module evaluation because we
|
|
// * don't want to change the module order with inline requires.
|
|
// * Next calls are noops. */
|
|
// return <h1>Hi</h1>;
|
|
// }
|
|
//
|
|
// /* Call with arguments attaches the signature to the type: */
|
|
// _s(
|
|
// Hello,
|
|
// 'useState{[foo, setFoo]}(0)',
|
|
// () => [useCustomHook], /* Lazy to avoid triggering inline requires */
|
|
// );
|
|
|
|
function createSignatureFunctionForTransform() {
|
|
{
|
|
var savedType;
|
|
var hasCustomHooks;
|
|
var didCollectHooks = false;
|
|
return function (type, key, forceReset, getCustomHooks) {
|
|
if (typeof key === 'string') {
|
|
// We're in the initial phase that associates signatures
|
|
// with the functions. Note this may be called multiple times
|
|
// in HOC chains like _s(hoc1(_s(hoc2(_s(actualFunction))))).
|
|
if (!savedType) {
|
|
// We're in the innermost call, so this is the actual type.
|
|
savedType = type;
|
|
hasCustomHooks = typeof getCustomHooks === 'function';
|
|
} // Set the signature for all types (even wrappers!) in case
|
|
// they have no signatures of their own. This is to prevent
|
|
// problems like https://github.com/facebook/react/issues/20417.
|
|
|
|
|
|
if (type != null && (typeof type === 'function' || typeof type === 'object')) {
|
|
setSignature(type, key, forceReset, getCustomHooks);
|
|
}
|
|
|
|
return type;
|
|
} else {
|
|
// We're in the _s() call without arguments, which means
|
|
// this is the time to collect custom Hook signatures.
|
|
// Only do this once. This path is hot and runs *inside* every render!
|
|
if (!didCollectHooks && hasCustomHooks) {
|
|
didCollectHooks = true;
|
|
collectCustomHooksForSignature(savedType);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
}
|
|
function isLikelyComponentType(type) {
|
|
{
|
|
switch (typeof type) {
|
|
case 'function':
|
|
{
|
|
// First, deal with classes.
|
|
if (type.prototype != null) {
|
|
if (type.prototype.isReactComponent) {
|
|
// React class.
|
|
return true;
|
|
}
|
|
|
|
var ownNames = Object.getOwnPropertyNames(type.prototype);
|
|
|
|
if (ownNames.length > 1 || ownNames[0] !== 'constructor') {
|
|
// This looks like a class.
|
|
return false;
|
|
} // eslint-disable-next-line no-proto
|
|
|
|
|
|
if (type.prototype.__proto__ !== Object.prototype) {
|
|
// It has a superclass.
|
|
return false;
|
|
} // Pass through.
|
|
// This looks like a regular function with empty prototype.
|
|
|
|
} // For plain functions and arrows, use name as a heuristic.
|
|
|
|
|
|
var name = type.name || type.displayName;
|
|
return typeof name === 'string' && /^[A-Z]/.test(name);
|
|
}
|
|
|
|
case 'object':
|
|
{
|
|
if (type != null) {
|
|
switch (getProperty(type, '$$typeof')) {
|
|
case REACT_FORWARD_REF_TYPE:
|
|
case REACT_MEMO_TYPE:
|
|
// Definitely React components.
|
|
return true;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
default:
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
exports._getMountedRootCount = _getMountedRootCount;
|
|
exports.collectCustomHooksForSignature = collectCustomHooksForSignature;
|
|
exports.createSignatureFunctionForTransform = createSignatureFunctionForTransform;
|
|
exports.findAffectedHostInstances = findAffectedHostInstances;
|
|
exports.getFamilyByID = getFamilyByID;
|
|
exports.getFamilyByType = getFamilyByType;
|
|
exports.hasUnrecoverableErrors = hasUnrecoverableErrors;
|
|
exports.injectIntoGlobalHook = injectIntoGlobalHook;
|
|
exports.isLikelyComponentType = isLikelyComponentType;
|
|
exports.performReactRefresh = performReactRefresh;
|
|
exports.register = register;
|
|
exports.setSignature = setSignature;
|
|
})();
|
|
}
|