Simple SQL minification for JavaScript using regexes

sql-minify.js

/**
 * Minify a SQL query.
 * SQL minification removes comments and unnecessary whitespace.
 * WARNING: this method will condense whitespace from string literals, beware!
 * @param {string} sql SQL raw query
 * @returns {string} Minified SQL query
 */
function minifySql(sql) {
  return sql
    .replace(/--[^\n]*/g, '')  // remove line comments
    .replace(/\s+/g, ' ')  // condense all whitespace into single spaces
    .replace(/(?<=[(]) /g, '')  // remove spacing after parentheses
    .replace(/ (?=[)])/g, '')  // remove spacing before parentheses
}