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build-app.js
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build-app.js
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const util = require('util')
const fs = require('fs');
const crypto = require('crypto');
const exec = util.promisify(require('child_process').exec)
fileToBuild = 'app'
distfolder = './dist.app'
console.log("building " + fileToBuild)
function handleExec(res) {
if (res.stderr) {
console.error(res.stderr)
}
if (res.error) {
console.log(res.error.message)
throw res.error
}
console.log(res.stdout)
}
/**
* Build
*/
async function buildApp(file) {
//delete dist before build to ensure no old files exists
fs.rmSync(distfolder, {force: true, recursive: true});
//delete native build in debian of tiny-secp256k1. Which not exist on Windows (and Mac?)
//then an elliptic binding is used
fs.rmSync('./node_modules/tiny-secp256k1/build', {force: true, recursive: true});
{
//-m minify. Some modules in Windows haf CRLF instead of only LF.
// no sourcemap files
const command = `npx --package @vercel/ncc ncc build ./src/${file}.ts -o ${distfolder} -m`
const res = await exec(command, { cwd: __dirname })
handleExec(res)
}
console.log(`src/${file}.ts -> ${distfolder}/index.js`)
//calc hash
const hash = (crypto.createHash('sha256')).update(fs.readFileSync(`${distfolder}/index.js`)).digest('base64');
console.log(`sha256 hash: ${hash}`);
}
buildApp(fileToBuild).catch(
e => {
console.error(e)
}
)