node_modules/css-tree/lib/tokenizer/const.js

// CSS Syntax Module Level 3
// https://www.w3.org/TR/css-syntax-3/
var TYPE = {
    EOF: 0,                 // <EOF-token>
    Ident: 1,               // <ident-token>
    Function: 2,            // <function-token>
    AtKeyword: 3,           // <at-keyword-token>
    Hash: 4,                // <hash-token>
    String: 5,              // <string-token>
    BadString: 6,           // <bad-string-token>
    Url: 7,                 // <url-token>
    BadUrl: 8,              // <bad-url-token>
    Delim: 9,               // <delim-token>
    Number: 10,             // <number-token>
    Percentage: 11,         // <percentage-token>
    Dimension: 12,          // <dimension-token>
    WhiteSpace: 13,         // <whitespace-token>
    CDO: 14,                // <CDO-token>
    CDC: 15,                // <CDC-token>
    Colon: 16,              // <colon-token>     :
    Semicolon: 17,          // <semicolon-token> ;
    Comma: 18,              // <comma-token>     ,
    LeftSquareBracket: 19,  // <[-token>
    RightSquareBracket: 20, // <]-token>
    LeftParenthesis: 21,    // <(-token>
    RightParenthesis: 22,   // <)-token>
    LeftCurlyBracket: 23,   // <{-token>
    RightCurlyBracket: 24,  // <}-token>
    Comment: 25
};

var NAME = Object.keys(TYPE).reduce(function(result, key) {
    result[TYPE[key]] = key;
    return result;
}, {});

module.exports = {
    TYPE: TYPE,
    NAME: NAME
};