From 35e329ad49a4a50b113b453a02f2c2e7d26a312e Mon Sep 17 00:00:00 2001
From: Guilherme Ribeiro <guilhermemrr@gmail.com>
Date: Wed, 30 Oct 2024 13:50:59 +0100
Subject: [PATCH] Compiling modern bundle using es2020 (#2917)

* using es2020

* Delete packages/lib/xxxx.browserslistrc

* changeset

* removing default es2022 value
---
 .changeset/old-fishes-battle.md       | 5 +++++
 packages/lib/config/rollup.dev.js     | 2 +-
 packages/lib/config/rollup.plugins.js | 9 +++++++--
 packages/lib/config/rollup.prod.js    | 4 ++--
 4 files changed, 15 insertions(+), 5 deletions(-)
 create mode 100644 .changeset/old-fishes-battle.md

diff --git a/.changeset/old-fishes-battle.md b/.changeset/old-fishes-battle.md
new file mode 100644
index 0000000000..eefd777ace
--- /dev/null
+++ b/.changeset/old-fishes-battle.md
@@ -0,0 +1,5 @@
+---
+'@adyen/adyen-web': patch
+---
+
+Lowered ECMAScript version to 2020 in order to support older iOS versions
diff --git a/packages/lib/config/rollup.dev.js b/packages/lib/config/rollup.dev.js
index d4eb0476c6..e603c1c808 100644
--- a/packages/lib/config/rollup.dev.js
+++ b/packages/lib/config/rollup.dev.js
@@ -18,7 +18,7 @@ export default () => {
                 replaceValues({ bundleType: BUNDLE_TYPES.esm, buildType: 'development' }),
                 convertJsonToESM(),
                 compileCSS({}),
-                compileJavascript({ target: 'es2022' })
+                compileJavascript({ target: 'es2020' })
             ],
             output: [
                 {
diff --git a/packages/lib/config/rollup.plugins.js b/packages/lib/config/rollup.plugins.js
index af8a780679..ef90863d92 100644
--- a/packages/lib/config/rollup.plugins.js
+++ b/packages/lib/config/rollup.plugins.js
@@ -47,8 +47,12 @@ export const compileCSS = ({ extract = 'adyen.css' } = {}) =>
         extract: extract
     });
 
-export const compileJavascript = ({ target = 'es2022', sourceMaps = false } = {}) =>
-    swc(
+export const compileJavascript = ({ target, sourceMaps = false } = {}) => {
+    if (!target) {
+        throw Error('Rollup plugins: compileJavascript task - "target" is missing');
+    }
+
+    return swc(
         defineRollupSwcOption({
             tsconfig: '../tsconfig.json',
             jsc: {
@@ -70,6 +74,7 @@ export const compileJavascript = ({ target = 'es2022', sourceMaps = false } = {}
             inlineSourcesContent: false
         })
     );
+};
 
 export const minify = ({ isESM } = { isESM: true }) => terser({ module: isESM });
 
diff --git a/packages/lib/config/rollup.prod.js b/packages/lib/config/rollup.prod.js
index 2b41e97905..8e654ad647 100644
--- a/packages/lib/config/rollup.prod.js
+++ b/packages/lib/config/rollup.prod.js
@@ -34,7 +34,7 @@ export default () => {
                 replaceValues({ bundleType: BUNDLE_TYPES.esm, buildType: 'production' }),
                 convertJsonToESM(),
                 compileCSS(),
-                compileJavascript({ target: 'es2022', sourceMaps: true }),
+                compileJavascript({ target: 'es2020', sourceMaps: true }),
                 minify()
             ],
             output: [
@@ -99,7 +99,7 @@ export default () => {
                 replaceValues({ bundleType: BUNDLE_TYPES.umd, buildType: 'production' }),
                 convertJsonToESM(),
                 compileCSS(),
-                compileJavascript({ sourceMaps: true }),
+                compileJavascript({ target: 'es2020', sourceMaps: true }),
                 minify({ isESM: false })
             ],
             output: {