From 1528d7d2d3332e7edb3be5584dd098e7ff248a32 Mon Sep 17 00:00:00 2001
From: Daniel Tschinder <daniel@tschinder.de>
Date: Wed, 29 Jan 2020 18:14:26 +0100
Subject: [PATCH] Fix core-js 2 builtin data for opera (#11066)

---
 .../data/corejs2-built-ins.json                  | 16 ++++++++++++++++
 packages/babel-compat-data/scripts/build-data.js |  8 ++++++--
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/packages/babel-compat-data/data/corejs2-built-ins.json b/packages/babel-compat-data/data/corejs2-built-ins.json
index 46599c366a..7a2116039e 100644
--- a/packages/babel-compat-data/data/corejs2-built-ins.json
+++ b/packages/babel-compat-data/data/corejs2-built-ins.json
@@ -595,6 +595,7 @@
     "android": "4.1",
     "ios": "9",
     "samsung": "1.5",
+    "opera": "15",
     "electron": "0.2"
   },
   "es6.number.is-integer": {
@@ -617,6 +618,7 @@
     "android": "4.1",
     "ios": "9",
     "samsung": "1.5",
+    "opera": "15",
     "electron": "0.2"
   },
   "es6.number.is-safe-integer": {
@@ -868,6 +870,7 @@
     "android": "4.1",
     "ios": "9",
     "samsung": "1.5",
+    "opera": "15",
     "electron": "0.2"
   },
   "es6.object.is-frozen": {
@@ -1233,6 +1236,7 @@
     "ios": "7",
     "phantom": "2",
     "samsung": "1",
+    "opera": "15",
     "electron": "1.1"
   },
   "es6.string.big": {
@@ -1245,6 +1249,7 @@
     "ios": "7",
     "phantom": "2",
     "samsung": "1",
+    "opera": "15",
     "electron": "1.1"
   },
   "es6.string.blink": {
@@ -1257,6 +1262,7 @@
     "ios": "7",
     "phantom": "2",
     "samsung": "1",
+    "opera": "15",
     "electron": "1.1"
   },
   "es6.string.bold": {
@@ -1269,6 +1275,7 @@
     "ios": "7",
     "phantom": "2",
     "samsung": "1",
+    "opera": "15",
     "electron": "1.1"
   },
   "es6.string.code-point-at": {
@@ -1303,6 +1310,7 @@
     "ios": "7",
     "phantom": "2",
     "samsung": "1",
+    "opera": "15",
     "electron": "1.1"
   },
   "es6.string.fontcolor": {
@@ -1315,6 +1323,7 @@
     "ios": "7",
     "phantom": "2",
     "samsung": "1",
+    "opera": "15",
     "electron": "1.1"
   },
   "es6.string.fontsize": {
@@ -1327,6 +1336,7 @@
     "ios": "7",
     "phantom": "2",
     "samsung": "1",
+    "opera": "15",
     "electron": "1.1"
   },
   "es6.string.from-code-point": {
@@ -1361,6 +1371,7 @@
     "ios": "7",
     "phantom": "2",
     "samsung": "1",
+    "opera": "15",
     "electron": "1.1"
   },
   "es6.string.iterator": {
@@ -1384,6 +1395,7 @@
     "ios": "7",
     "phantom": "2",
     "samsung": "1",
+    "opera": "15",
     "electron": "1.1"
   },
   "es7.string.pad-start": {
@@ -1440,6 +1452,7 @@
     "ios": "7",
     "phantom": "2",
     "samsung": "1",
+    "opera": "15",
     "electron": "1.1"
   },
   "es6.string.starts-with": {
@@ -1463,6 +1476,7 @@
     "ios": "7",
     "phantom": "2",
     "samsung": "1",
+    "opera": "15",
     "electron": "1.1"
   },
   "es6.string.sub": {
@@ -1475,6 +1489,7 @@
     "ios": "7",
     "phantom": "2",
     "samsung": "1",
+    "opera": "15",
     "electron": "1.1"
   },
   "es6.string.sup": {
@@ -1487,6 +1502,7 @@
     "ios": "7",
     "phantom": "2",
     "samsung": "1",
+    "opera": "15",
     "electron": "1.1"
   },
   "es6.string.trim": {
diff --git a/packages/babel-compat-data/scripts/build-data.js b/packages/babel-compat-data/scripts/build-data.js
index cc48e96b62..f8e67abef4 100644
--- a/packages/babel-compat-data/scripts/build-data.js
+++ b/packages/babel-compat-data/scripts/build-data.js
@@ -270,8 +270,12 @@ const generateData = (environments, features) => {
       // add opera
       if (plugin.chrome >= 28) {
         plugin.opera = (plugin.chrome - 13).toString();
-      } else if (plugin.chrome === 5) {
-        plugin.opera = "12";
+      } else if (!plugin.opera) {
+        if (plugin.chrome <= 23) {
+          plugin.opera = "15";
+        } else if (plugin.chrome <= 27) {
+          plugin.opera = "16";
+        }
       }
 
       // add electron