Is there a formal (ideally BNF) typescript js language grammar (or only typescript subset)?

I'm looking for the Typescript grammar. Not the parser-lexer, but only the formal grammar description. I want to implement ts it's code folding and basic static code analyzing as plugin to one simple linux IDE for GNOME.

Solution

The formal grammar is in Appendix A of the TypeScript Language Reference, version 1.8 if which is found here (for current version)

Regular expression for a language tag (as defined by BCP47)
Is there a formal (ideally BNF) typescript js language grammar (or only typescript subset)?
Tool for generating railroad diagram used on json.org
Generate BNF diagrams from an antlr grammar?
Is there a way to achieve a mutually recursive ADT in Kotlin?
Python Assignment statement
Is there a Cypher syntax definition anywhere?
The "or", (|) in BNF Grammar
tatsu.exceptions.FailedParse while using a C BNF grammar adapted to Tatsu
How do I avoid infinite recursion when parsing a comparison in form of "expression < expression"
Can this language be described by a non-ambiguous BNF grammar?
How do I add operator precedence to a lark grammar for FOL with Equality?
How do I write the lark grammar for First Order Logic with Equality?
How to implement Backus-Naur Form in Python
Invisible XML grammar wont work for this entry (using Coffeepot)
What does "strict order" of sequence groups mean?
What is the metasyntax used in the Scala spec?
Fixing ambiguities on a Lemon parser grammar
How to convert a regular grammar to regular expression?
Are there tools to convert between ANTLR and other forms of BNF?
How to represent negation in BNF?
How many BNF-like grammar specifications does Python have?
Using Perl look-ahead assertion to find individual list
Is there an official (complete) BNF or EBNF for the CLIPS language
EBNF with comma repetition
Grammar for Java's annotations
Doing BNF for a simplified SQL “where” clause
JAVACC How to pass token for 1 or more
Bison shift/reduce conflict for do block
How do you call the inner part of a regex? (the one delimited by the delimiters)