const fs = require('fs')
const path = require('path')
const { Transform, PassThrough } = require('stream')
module.exports = function (file, opts) {
const basedir = path.resolve(__dirname, '..')
const relname = path.relative(basedir, file)
if (opts._flags.browserField === false) {
return new PassThrough()
}
return new Transform({
transform (data, enc, cb) {
cb()
},
flush (cb) {
const filename = require.resolve('sodium-javascript/' + relname)
fs.readFile(filename, (err, buf) => {
if (err) return cb(err)
this.push(buf)
cb(null)
})
}
})
}