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install.js
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install.js
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const fs = require('fs');
const ProgressBar = require('progress');
const https = require('https');
const through2 = require('through2');
const destination = `${__dirname}/static/test.wav`;
try {
fs.accessSync(destination);
// already got the video
process.exit();
} catch(e) {}
const out = fs.createWriteStream(destination);
const req = https.request('https://upload.wikimedia.org/wikipedia/commons/3/32/Christofori_-_S.S._Modula_One.wav');
req.on('error', err => {
console.log(`Error fetching test audio: Couldn't connect to server`);
fs.unlinkSync(destination);
process.exit(1);
});
req.on('response', res => {
if (res.statusCode != 200) {
console.log(`Error fetching test audio: Response status ${res.statusCode}`);
fs.unlinkSync(destination);
process.exit(1);
}
if (res.headers['content-type'] != 'audio/x-wav') {
console.log(`Error fetching test audio: Unexpected content-type ${res.headers['content-type']}`);
fs.unlinkSync(destination);
process.exit(1);
}
const len = parseFloat(res.headers['content-length']);
const bar = new ProgressBar('Fetching test audio [:bar] :percent :etas', {
complete: '=',
incomplete: ' ',
width: 20,
total: len
});
const stream = res.pipe(through2(function(chunk, enc, callback) {
bar.tick(chunk.length);
this.push(chunk);
callback();
})).pipe(out);
stream.on('error', err => {
console.log(`Error fetching test audio: ${err.message}`);
fs.unlinkSync(destination);
process.exit(1);
});
stream.on('end', () => console.log('\n'));
});
req.end();