const path = require('path');

const fs = require('fs-extra');

const rollup = require('rollup');

const buble = require('rollup-plugin-buble');

const replace = require('rollup-plugin-replace');

const config = require('./config');

function build (config) {

let output = config.output;

let { file, banner } = output;

return rollup.rollup(config).then(bundle => bundle.generate(output))

.then(rst => {

write(file, rst.code);

})

.catch(e => {

console.log(e);

})

}

function write (dest, code, zip) {

return new Promise((resolve, reject) => {

function report (extra) {

console.log(blue(path.relative(process.cwd(), dest)) + ' ' + getSize(code) + (extra || ''))

resolve()

}

fs.outputFile(dest, code).then(() => {

if (zip) {

zlib.gzip(code, (err, zipped) => {

if (err)

return reject(err);

report(' (gzipped: ' + getSize(zipped) + ')')

})

} else {

report();

}

}).catch(reject);

})

}

function getSize (code) {

return (code.length / 1024).toFixed(2) + 'kb'

}

function logError (e) {

console.log(e)

}

function blue (str) {

return '\x1b[1m\x1b[34m' + str + '\x1b[39m\x1b[22m'

}

let configs = config.getAllBuilds();

configs.forEach(config => {

build(config);

});