comma-style.js

/* *
 * Separate variable declarations when variables are independent
 * 
 * Allows easy reordering by moving whole lines without thinking about commas
 * */
const foo = 1
const bar = 2

/* *
 * Comma-first declarations when subsequent variables depend on the former
 * 
 * Makes it obvious that declarations are order-specific, limiting
 * accidental breakage by reordering, but still keeps reordering
 * easy since the delimiter and the delimited content is on the same line
 * */
const oob = 4
    , far = oob + 2