nameofall: Get all const, let, class variables names as strings

nameofall.js

// https://esdiscuss.org/topic/what-do-you-think-about-a-c-6-like-nameof-expression-for
// TODO handle destructuring assignment, default values, shorthand assignments, e.g.,
/* 
    const [{
             a = 1,
             b = 2
           }, cd] = [...[source]];
*/
/*
    usage sourceCode.match(nameofall); // ["const x", "let z"];
*/
const nameofall = /((const|let)\s+)\w+(?=\s+(=|in|of))|class\s+\w+(?=\s)/gi;