codemirro 5.48.4

libraries/codemirror/mode/javascript/test.js

@@ -127,6 +127,9 @@
      "[keyword let] [def f] [operator =] ([[ [def a], [def b] ]], [def c]) [operator =>] [variable-2 a] [operator +] [variable-2 c];",
      "[variable c];");
 
+  MT("fatArrow_stringDefault",
+     "([def a], [def b] [operator =] [string 'x\\'y']) [operator =>] [variable-2 a] [operator +] [variable-2 b]")
+
   MT("spread",
      "[keyword function] [def f]([def a], [meta ...][def b]) {",
      "  [variable something]([variable-2 a], [meta ...][variable-2 b]);",
@@ -298,6 +301,22 @@
      "[keyword return]",
      "{} [string-2 /5/]")
 
+  MT("numeric separator",
+     "[number 123_456];",
+     "[number 0xdead_c0de];",
+     "[number 0o123_456];",
+     "[number 0b1101_1101];",
+     "[number .123_456e0_1];",
+     "[number 1E+123_456];",
+     "[number 12_34_56n];")
+
+  MT("underscore property",
+     "[variable something].[property _property];",
+     "[variable something].[property _123];",
+     "[variable something].[property _for];",
+     "[variable _for];",
+     "[variable _123];")
+
   var ts_mode = CodeMirror.getMode({indentUnit: 2}, "application/typescript")
   function TS(name) {
     test.mode(name, ts_mode, Array.prototype.slice.call(arguments, 1))