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5.89 kB
| /** | |
| * MIT License | |
| * | |
| * Copyright (c) Facebook, Inc. and its affiliates. | |
| * | |
| * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| * of this software and associated documentation files (the "Software"), to deal | |
| * in the Software without restriction, including without limitation the rights | |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| * copies of the Software, and to permit persons to whom the Software is | |
| * furnished to do so, subject to the following conditions: | |
| * | |
| * The above copyright notice and this permission notice shall be included in all | |
| * copies or substantial portions of the Software. | |
| * | |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| * SOFTWARE. | |
| */ | |
| // This file is copied from the Metro JavaScript bundler, with minor tweaks for | |
| // webpack 4 compatibility. | |
| // | |
| // https://github.com/facebook/metro/blob/d6b9685c730d0d63577db40f41369157f28dfa3a/packages/metro/src/lib/polyfills/require.js | |
| import RefreshRuntime from 'react-refresh/runtime' | |
| type ModuleHotStatus = | |
| | 'idle' | |
| | 'check' | |
| | 'prepare' | |
| | 'ready' | |
| | 'dispose' | |
| | 'apply' | |
| | 'abort' | |
| | 'fail' | |
| type ModuleHotStatusHandler = (status: ModuleHotStatus) => void | |
| declare const module: { | |
| hot: { | |
| status: () => ModuleHotStatus | |
| addStatusHandler: (handler: ModuleHotStatusHandler) => void | |
| removeStatusHandler: (handler: ModuleHotStatusHandler) => void | |
| } | |
| } | |
| function isSafeExport(key: string): boolean { | |
| return ( | |
| key === '__esModule' || | |
| key === '__N_SSG' || | |
| key === '__N_SSP' || | |
| // TODO: remove this key from page config instead of allow listing it | |
| key === 'config' | |
| ) | |
| } | |
| function registerExportsForReactRefresh( | |
| moduleExports: unknown, | |
| moduleID: string | |
| ) { | |
| RefreshRuntime.register(moduleExports, moduleID + ' %exports%') | |
| if (moduleExports == null || typeof moduleExports !== 'object') { | |
| // Exit if we can't iterate over exports. | |
| // (This is important for legacy environments.) | |
| return | |
| } | |
| for (var key in moduleExports) { | |
| if (isSafeExport(key)) { | |
| continue | |
| } | |
| try { | |
| var exportValue = moduleExports[key] | |
| } catch { | |
| // This might fail due to circular dependencies | |
| continue | |
| } | |
| var typeID = moduleID + ' %exports% ' + key | |
| RefreshRuntime.register(exportValue, typeID) | |
| } | |
| } | |
| function getRefreshBoundarySignature(moduleExports: unknown): Array<unknown> { | |
| var signature = [] | |
| signature.push(RefreshRuntime.getFamilyByType(moduleExports)) | |
| if (moduleExports == null || typeof moduleExports !== 'object') { | |
| // Exit if we can't iterate over exports. | |
| // (This is important for legacy environments.) | |
| return signature | |
| } | |
| for (var key in moduleExports) { | |
| if (isSafeExport(key)) { | |
| continue | |
| } | |
| try { | |
| var exportValue = moduleExports[key] | |
| } catch { | |
| // This might fail due to circular dependencies | |
| continue | |
| } | |
| signature.push(key) | |
| signature.push(RefreshRuntime.getFamilyByType(exportValue)) | |
| } | |
| return signature | |
| } | |
| function isReactRefreshBoundary(moduleExports: unknown): boolean { | |
| if (RefreshRuntime.isLikelyComponentType(moduleExports)) { | |
| return true | |
| } | |
| if (moduleExports == null || typeof moduleExports !== 'object') { | |
| // Exit if we can't iterate over exports. | |
| return false | |
| } | |
| var hasExports = false | |
| var areAllExportsComponents = true | |
| for (var key in moduleExports) { | |
| hasExports = true | |
| if (isSafeExport(key)) { | |
| continue | |
| } | |
| try { | |
| var exportValue = moduleExports[key] | |
| } catch { | |
| // This might fail due to circular dependencies | |
| return false | |
| } | |
| if (!RefreshRuntime.isLikelyComponentType(exportValue)) { | |
| areAllExportsComponents = false | |
| } | |
| } | |
| return hasExports && areAllExportsComponents | |
| } | |
| function shouldInvalidateReactRefreshBoundary( | |
| prevSignature: unknown[], | |
| nextSignature: unknown[] | |
| ): boolean { | |
| if (prevSignature.length !== nextSignature.length) { | |
| return true | |
| } | |
| for (var i = 0; i < nextSignature.length; i++) { | |
| if (prevSignature[i] !== nextSignature[i]) { | |
| return true | |
| } | |
| } | |
| return false | |
| } | |
| var isUpdateScheduled: boolean = false | |
| // This function aggregates updates from multiple modules into a single React Refresh call. | |
| function scheduleUpdate() { | |
| if (isUpdateScheduled) { | |
| return | |
| } | |
| isUpdateScheduled = true | |
| function canApplyUpdate(status: ModuleHotStatus) { | |
| return status === 'idle' | |
| } | |
| function applyUpdate() { | |
| isUpdateScheduled = false | |
| try { | |
| RefreshRuntime.performReactRefresh() | |
| } catch (err) { | |
| console.warn( | |
| 'Warning: Failed to re-render. We will retry on the next Fast Refresh event.\n' + | |
| err | |
| ) | |
| } | |
| } | |
| if (canApplyUpdate(module.hot.status())) { | |
| // Apply update on the next tick. | |
| Promise.resolve().then(() => { | |
| applyUpdate() | |
| }) | |
| return | |
| } | |
| const statusHandler = (status) => { | |
| if (canApplyUpdate(status)) { | |
| module.hot.removeStatusHandler(statusHandler) | |
| applyUpdate() | |
| } | |
| } | |
| // Apply update once the HMR runtime's status is idle. | |
| module.hot.addStatusHandler(statusHandler) | |
| } | |
| // Needs to be compatible with IE11 | |
| export default { | |
| registerExportsForReactRefresh: registerExportsForReactRefresh, | |
| isReactRefreshBoundary: isReactRefreshBoundary, | |
| shouldInvalidateReactRefreshBoundary: shouldInvalidateReactRefreshBoundary, | |
| getRefreshBoundarySignature: getRefreshBoundarySignature, | |
| scheduleUpdate: scheduleUpdate, | |
| } | |