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fixed typo in upgrade.md #1303

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Feb 14, 2024
Merged

fixed typo in upgrade.md #1303

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2 changes: 1 addition & 1 deletion packages/lit-dev-content/site/docs/v3/releases/upgrade.md
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Expand Up @@ -39,7 +39,7 @@ This may be a breaking change if you need to support older browser versions and

Webpack 4's internal parser doesn't support nullish coalescing (`??`), logical assignment (`??=`), or optional chaining (`?.`), which are syntaxes introduced in ES2021 so will throw a `Module parse failed: Unexpected token` when encountering those.

The preferred solution is to upgrade to Webpack 5 which does support parsing these newer JS syntax. However if you are unable to do so, it is possible to use `babel-loader` to transform Lit 3 code to work with Webpack 5.
The preferred solution is to upgrade to Webpack 5 which does support parsing these newer JS syntax. However if you are unable to do so, it is possible to use `babel-loader` to transform Lit 3 code to work with Webpack 4.

To transpile Lit 3 in Webpack 4, install the following required babel packages:

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