Merge pull request #51 from Shopify/fix-terser

ensure terser does not produce IE 11 incompatible bundles
Shopify · Oct 9, 2020 · 49e99a9 · 49e99a9
2 parents 7d8f37d + 01274c2
commit 49e99a9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/argo-run/src/webpack-config.ts b/packages/argo-run/src/webpack-config.ts
@@ -61,7 +61,7 @@ export function createWebpackConfiguration({
                   `Licenses: ${licenseFilename}`,
               },
               terserOptions: {
-                ecma: 8,
+                ecma: 5,
                 warnings: false,
                 // Per one of the authors of Preact, the extra pass may inline more esmodule imports
                 // @see https://github.com/webpack-contrib/mini-css-extract-plugin/pull/509#issuecomment-599083073