fix(queries:ecma): proper numeric values

Author: Rudxain

runtime/queries/ecma/highlights.scm

@@ -241,7 +241,22 @@
 (escape_sequence) @constant.character.escape
 
 (regex) @string.regexp
-(number) @constant.numeric.integer
+
+; future-proof fall-back, and `TypedArray` values (looks like float, but is int)
+(number) @constant.numeric
+; https://tc39.es/ecma262/multipage/ecmascript-language-lexical-grammar.html#prod-NumericLiteral
+((number) @constant.numeric.float
+  (#match? @constant.numeric.float
+	; `1.` isn't considered float,
+	; for the same reason as `1e0`,
+	; however `1.0` is float, which feels inconsistent
+    "([.]|([eE]-)).*[^n]$"
+  ))
+((number) @constant.numeric.integer
+  (#match? @constant.numeric.integer
+    "^[^+.][^.\-]*n$"
+  ))
+
 
 ; Special identifiers
 ;--------------------