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[Blazor] Remove sourcemap link comments from production bundles for blazor.web.js and blazor.webassembly.js #62558

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Merged
merged 4 commits into from
Jul 9, 2025
Merged

[Blazor] Remove sourcemap link comments from production bundles for blazor.web.js and blazor.webassembly.js #62558

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d27f7e4
Initial plan
Copilot Jul 3, 2025
9dcc7e5
Fix sourcemap link comments in production bundles for blazor.web.js a…
Copilot Jul 3, 2025
bf26c4a
Revert unintended package.json dependency change
Copilot Jul 3, 2025
6d9e1e4
Revert unintended package-lock.json changes
Copilot Jul 8, 2025
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2 changes: 1 addition & 1 deletion package-lock.json
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2 changes: 1 addition & 1 deletion src/Components/Web.JS/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@
"@babel/core": "^7.23.6",
"@babel/preset-env": "^7.23.6",
"@babel/preset-typescript": "^7.23.3",
"@microsoft/dotnet-js-interop": "*",
"@microsoft/dotnet-js-interop": "^10.0.0-dev",
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Do not change this

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Reverted the unintended change to the @microsoft/dotnet-js-interop dependency. The package.json now maintains the original "*" version. The main fix for the sourcemap issue remains in rollup.config.mjs only.

"@microsoft/dotnet-runtime": "*",
"@microsoft/signalr": "*",
"@microsoft/signalr-protocol-msgpack": "*",
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5 changes: 4 additions & 1 deletion src/Components/Web.JS/rollup.config.mjs
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Expand Up @@ -13,7 +13,7 @@ export default createBaseConfig({
'blazor.webview': './src/Boot.WebView.ts',
},
dir: __dirname,
updateConfig: (config, environment, _, input) => {
updateConfig: (config, environment, output, input) => {
config.plugins.push({
name: 'Resolve dotnet.js dynamic import',
resolveDynamicImport(source, importer) {
Expand All @@ -26,6 +26,9 @@ export default createBaseConfig({

if (input.includes("WebView")) {
config.output.sourcemap = 'inline';
} else if (environment === 'production' && (output === 'blazor.web' || output === 'blazor.webassembly')) {
// Generate sourcemaps but don't emit sourcemap link comments for production bundles
config.output.sourcemap = 'hidden';
} else {
config.output.sourcemap = true;
}
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