From eae7a333166eb76ed7e66f50efb7902fda4b247b Mon Sep 17 00:00:00 2001
From: Sebastian Silbermann <silbermann.sebastian@gmail.com>
Date: Fri, 3 May 2019 23:35:28 +0200
Subject: [PATCH] Fix destructuring assignments being transpiled for edge 15
 (#9902)

* Current behavior for preset-env destructuring and edge

* fix(preset-env): destructuring transpiled in edge 15
---
 packages/babel-preset-env/data/plugin-features.js   |  1 -
 packages/babel-preset-env/data/plugins.json         |  2 +-
 .../preset-options/destructuring-edge/input.js      |  3 +++
 .../preset-options/destructuring-edge/options.json  | 13 +++++++++++++
 .../preset-options/destructuring-edge/output.js     |  9 +++++++++
 5 files changed, 26 insertions(+), 2 deletions(-)
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options/destructuring-edge/input.js
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options/destructuring-edge/options.json
 create mode 100644 packages/babel-preset-env/test/fixtures/preset-options/destructuring-edge/output.js

diff --git a/packages/babel-preset-env/data/plugin-features.js b/packages/babel-preset-env/data/plugin-features.js
index 121b4bc582..3a84be3816 100644
--- a/packages/babel-preset-env/data/plugin-features.js
+++ b/packages/babel-preset-env/data/plugin-features.js
@@ -68,7 +68,6 @@ const es = {
     features: [
       "destructuring, assignment",
       "destructuring, declarations",
-      "destructuring, parameters",
     ],
   },
   "transform-block-scoping": {
diff --git a/packages/babel-preset-env/data/plugins.json b/packages/babel-preset-env/data/plugins.json
index 68c40f63b5..c175d039e9 100644
--- a/packages/babel-preset-env/data/plugins.json
+++ b/packages/babel-preset-env/data/plugins.json
@@ -173,7 +173,7 @@
   },
   "transform-destructuring": {
     "chrome": "51",
-    "edge": "18",
+    "edge": "15",
     "firefox": "53",
     "safari": "10",
     "node": "6.5",
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/destructuring-edge/input.js b/packages/babel-preset-env/test/fixtures/preset-options/destructuring-edge/input.js
new file mode 100644
index 0000000000..e09b4ffd23
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options/destructuring-edge/input.js
@@ -0,0 +1,3 @@
+((a, { b = 0, c = 3 }) => {
+  return a === 1 && b === 2 && c === 3;
+})(1, { b: 2 });
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/destructuring-edge/options.json b/packages/babel-preset-env/test/fixtures/preset-options/destructuring-edge/options.json
new file mode 100644
index 0000000000..d14a50fd6c
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options/destructuring-edge/options.json
@@ -0,0 +1,13 @@
+{
+  "presets": [
+    [
+      "../../../../lib",
+      {
+        "targets": {
+          "browsers": ["edge >= 15"]
+        },
+        "modules": false
+      }
+    ]
+  ]
+}
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/destructuring-edge/output.js b/packages/babel-preset-env/test/fixtures/preset-options/destructuring-edge/output.js
new file mode 100644
index 0000000000..dfec033c1b
--- /dev/null
+++ b/packages/babel-preset-env/test/fixtures/preset-options/destructuring-edge/output.js
@@ -0,0 +1,9 @@
+((a, _ref) => {
+  let {
+    b = 0,
+    c = 3
+  } = _ref;
+  return a === 1 && b === 2 && c === 3;
+})(1, {
+  b: 2
+});