an attempted import of Node's built-in "zlib" module is being interpreted as being for a "zlib" NPM module about deno HOT 1 OPEN

// error: could not find package 'buffer'
module.exports = require("buffer");

// error: could not find package 'buffer'
exports = require("buffer");

// error: could not find package 'buffer'
function f() {
  exports = require("buffer");
}

//error: could not find package 'node:buffer'
module.exports = require("node:buffer");

// successful
const buffer = require("buffer");
module.exports = buffer;

// successful
const nodeBuffer = require("node:buffer");
module.exports = nodeBuffer;