49 lines
2.0 KiB
JavaScript
49 lines
2.0 KiB
JavaScript
// NOTE(Jan 17, 2025): This file is now deprecated in favor of `@expo/metro-config`. It should probably be removed for SDK 53.
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'use strict';
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const crypto = require('crypto');
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const fs = require('fs');
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// NOTE(Mar 5, 2025): Copied over from #34208 in case we won't be able to remove this file by the time SDK 53 is finalized.
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function getMD5ForFilePathAsync(path) {
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return new Promise((resolve, reject) => {
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const output = crypto.createHash('md5');
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const input = fs.createReadStream(path);
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input.on('error', (err) => reject(err));
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output.on('error', (err) => reject(err));
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output.once('readable', () => resolve(output.read().toString('hex')));
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input.pipe(output);
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});
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}
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module.exports = function hashAssetFiles(asset) {
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return Promise.all(asset.files.map(getMD5ForFilePathAsync)).then((hashes) => {
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asset.fileHashes = hashes;
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// Convert the `../` segments of the server URL to `_` to support monorepos.
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// This same transformation takes place in `AssetSourceResolver.web` (expo-assets, expo-image) and `persistMetroAssets` of Expo CLI,
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// this originally came from the Metro opinion https://github.com/react-native-community/cli/blob/2204d357379e2067cebe2791e90388f7e97fc5f5/packages/cli-plugin-metro/src/commands/bundle/getAssetDestPathIOS.ts#L19C5-L19C10
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if (asset.httpServerLocation.includes('?export_path=')) {
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asset.httpServerLocation = asset.httpServerLocation
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.match(/\?export_path=(.*)/)[1]
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.replace(/\.\.\//g, '_');
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}
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// URL encode asset paths defined as `?export_path` or `?unstable_path` query parameters.
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// Decoding should be done automatically when parsing the URL through Node or the browser.
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const assetPathQueryParameter = asset.httpServerLocation.match(
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/\?(export_path|unstable_path)=(.*)/
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);
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if (assetPathQueryParameter && assetPathQueryParameter[2]) {
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const assetPath = assetPathQueryParameter[2];
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asset.httpServerLocation = asset.httpServerLocation.replace(
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assetPath,
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encodeURIComponent(assetPath)
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);
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}
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return asset;
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});
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};
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