[code-infra] Add context to plugin-transform-react-constant-elements

oliviertassinari · oliviertassinari · commit aaa9ecee1156 · 2025-09-06T12:19:48.000+02:00
diff --git a/babel.config.js b/babel.config.js
@@ -45,7 +45,9 @@ module.exports = function getBabelConfig(api) {
     plugins: [...(baseConfig.plugins ?? []), ...plugins],
     overrides: [
       {
-        exclude: /\.test\.(m?js|ts|tsx)$/,
+        // Reduces cold start time of tests. Hoisting the elements is also almost never intended for test files.
+        // Context https://github.com/mui/material-ui/pull/26448
+        exclude: /\.test\.(js|tsx)$/,
         plugins: ['@babel/plugin-transform-react-constant-elements'],
       },
       {

Original file line number	Diff line number	Diff line change
`@@ -45,7 +45,9 @@ module.exports = function getBabelConfig(api) {`
`45`	`45`	`plugins: [...(baseConfig.plugins ?? []), ...plugins],`
`46`	`46`	`overrides: [`
`47`	`47`	`{`
`48`		`- exclude: /\.test\.(m?js\|ts\|tsx)$/,`
	`48`	`+ // Reduces cold start time of tests. Hoisting the elements is also almost never intended for test files.`
	`49`	`+ // Context https://github.com/mui/material-ui/pull/26448`
	`50`	`+ exclude: /\.test\.(js\|tsx)$/,`
`49`	`51`	`plugins: ['@babel/plugin-transform-react-constant-elements'],`
`50`	`52`	`},`
`51`	`53`	`{`