99 lines
3.1 KiB
JavaScript
99 lines
3.1 KiB
JavaScript
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/** @typedef {string | string[] | import('webpack').Entry} StaticEntry */
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/** @typedef {StaticEntry | import('webpack').EntryFunc} WebpackEntry */
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const EntryParseError = new Error(
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[
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'[ReactRefreshPlugin]',
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'Failed to parse the Webpack `entry` object!',
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'Please ensure the `entry` option in your Webpack config is specified.',
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].join(' ')
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);
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/**
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* Webpack entries related to socket integrations.
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* They have to run before any code that sets up the error overlay.
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* @type {string[]}
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*/
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const socketEntries = [
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'webpack-dev-server/client',
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'webpack-hot-middleware/client',
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'webpack-plugin-serve/client',
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'react-dev-utils/webpackHotDevClient',
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];
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/**
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* Checks if a Webpack entry string is related to socket integrations.
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* @param {string} entry A Webpack entry string.
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* @returns {boolean} Whether the entry is related to socket integrations.
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*/
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function isSocketEntry(entry) {
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return socketEntries.some((socketEntry) => entry.includes(socketEntry));
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}
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/**
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* Injects an entry to the bundle for react-refresh.
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* @param {WebpackEntry} [originalEntry] A Webpack entry object.
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* @param {import('./getAdditionalEntries').AdditionalEntries} additionalEntries An object that contains the Webpack entries for prepending and the overlay feature
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* @returns {WebpackEntry} An injected entry object.
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*/
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function injectRefreshEntry(originalEntry, additionalEntries) {
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const { prependEntries, overlayEntries } = additionalEntries;
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// Single string entry point
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if (typeof originalEntry === 'string') {
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if (isSocketEntry(originalEntry)) {
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return [...prependEntries, originalEntry, ...overlayEntries];
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}
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return [...prependEntries, ...overlayEntries, originalEntry];
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}
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// Single array entry point
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if (Array.isArray(originalEntry)) {
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if (originalEntry.length === 0) {
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throw EntryParseError;
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}
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const socketEntryIndex = originalEntry.findIndex(isSocketEntry);
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let socketAndPrecedingEntries = [];
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if (socketEntryIndex !== -1) {
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socketAndPrecedingEntries = originalEntry.splice(0, socketEntryIndex + 1);
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}
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return [...prependEntries, ...socketAndPrecedingEntries, ...overlayEntries, ...originalEntry];
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}
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// Multiple entry points
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if (typeof originalEntry === 'object') {
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const entries = Object.entries(originalEntry);
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if (entries.length === 0) {
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throw EntryParseError;
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}
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return entries.reduce(
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(acc, [curKey, curEntry]) => ({
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...acc,
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[curKey]:
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typeof curEntry === 'object' && curEntry.import
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? {
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...curEntry,
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import: injectRefreshEntry(curEntry.import, additionalEntries),
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}
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: injectRefreshEntry(curEntry, additionalEntries),
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}),
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{}
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);
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}
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// Dynamic entry points
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if (typeof originalEntry === 'function') {
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return (...args) =>
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Promise.resolve(originalEntry(...args)).then((resolvedEntry) =>
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injectRefreshEntry(resolvedEntry, additionalEntries)
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);
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}
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throw EntryParseError;
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}
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module.exports = injectRefreshEntry;
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module.exports.socketEntries = socketEntries;
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