fallback for Number.MIN_SAFE_INTEGER (#1197)

Author: kof

changelog.md

@@ -4,6 +4,10 @@ Since you are interested in what happens next, in case, you work for a for-profi
 
 ---
 
+## Bug fixes
+
+- [react-jss] Add fallback for `Number.MIN_SAFE_INTEGER`, because not supported by IE <= 11 ([1197](https://github.com/cssinjs/jss/pull/1197))
+
 ## 10.0.0-alpha.26 (2019-9-22)
 
 ## Bug fixes

packages/react-jss/.size-snapshot.json

@@ -1,23 +1,23 @@
 {
   "dist/react-jss.js": {
-    "bundled": 169156,
-    "minified": 58300,
-    "gzipped": 19059
+    "bundled": 169164,
+    "minified": 58306,
+    "gzipped": 19067
   },
   "dist/react-jss.min.js": {
-    "bundled": 112480,
-    "minified": 41691,
-    "gzipped": 14139
+    "bundled": 112488,
+    "minified": 41697,
+    "gzipped": 14145
   },
   "dist/react-jss.cjs.js": {
-    "bundled": 27019,
-    "minified": 11643,
-    "gzipped": 3854
+    "bundled": 27027,
+    "minified": 11649,
+    "gzipped": 3861
   },
   "dist/react-jss.esm.js": {
-    "bundled": 26057,
-    "minified": 10808,
-    "gzipped": 3733,
+    "bundled": 26065,
+    "minified": 10814,
+    "gzipped": 3740,
     "treeshaked": {
       "rollup": {
         "code": 1841,

packages/react-jss/src/utils/getSheetIndex.js

@@ -13,7 +13,7 @@
  * We start at [Number.MIN_SAFE_INTEGER] to always insert sheets from react-jss first before any
  * sheet which might be inserted manually by the user.
  */
-let index = Number.MIN_SAFE_INTEGER
+let index = Number.MIN_SAFE_INTEGER || -1e9
 
 const getSheetIndex = () => index++