Don't compile Hermes-supported features with Babel (#1773)

* Don't transpile Hermes-supported features

* Disable the object spread plugin

We're using Hermes, and Hermes supports object spread.
We can remove this patch when we upgrade Expo because it'll be conditional there.
zio/stable
dan 2023-10-31 00:23:01 +00:00 committed by GitHub
parent e1dcedd87e
commit 515c9d5529
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2 changed files with 17 additions and 0 deletions

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@ -8,6 +8,9 @@ module.exports = function (api) {
{
lazyImports: true,
native: {
// We should be able to remove this after upgrading Expo
// to a version that includes https://github.com/expo/expo/pull/24672.
unstable_transformProfile: 'hermes-stable',
// Disable ESM -> CJS compilation because Metro takes care of it.
// However, we need it in Jest tests since those run without Metro.
disableImportExportTransform: !isTestEnv,

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@ -0,0 +1,14 @@
diff --git a/node_modules/babel-preset-expo/index.js b/node_modules/babel-preset-expo/index.js
index 2099ee3..2b9e092 100644
--- a/node_modules/babel-preset-expo/index.js
+++ b/node_modules/babel-preset-expo/index.js
@@ -105,7 +105,8 @@ module.exports = function (api, options = {}) {
],
],
plugins: [
- getObjectRestSpreadPlugin(),
+ // - dan: This will be disabled anyway when we upgrade Expo, but let's do it now.
+ // getObjectRestSpreadPlugin(),
...extraPlugins,
getAliasPlugin(),
[require.resolve('@babel/plugin-proposal-decorators'), { legacy: true }],