NodeJS Error/Fix process.stdout.clearLine not found #67
Description
Error occurs in node 14.x. process.stdout.clearLine and cursorTo not found ...
Fix: ProgressBar.js
class LoadingBar {
constructor() {
this.interval = 100;
this.currentIndex = 0;
this.fill = '█';
this.empty = '⣿';
this.bar_length = 50;
this.loop = null;
this.flip = 1;
this.chunksDownloaded = "0";
this.isRunning = false;
this.success = ' √';
this.failed = ' X';
this.message = '';
this.messageSize = 0;
}
reset() {
this.constructor();
}
next() {
this.clear();
this.currentIndex += this.flip;
if (this.currentIndex === this.bar_length || this.currentIndex === 0) {
this.flip *= -1;
}
let _left = this.currentIndex - 1;
_left = _left < 0 ? 0 : _left;
let _right = this.bar_length - _left - 1;
const _str = `${this.message}${this.chunksDownloaded} :` + chalk.green(` ${this.empty.repeat(_left)}${this.fill}${this.empty.repeat(_right)}`);
this.messageSize = _str.length;
process.stdout.write(_str);
}
clear() {
if ('undefined'!=typeof(process.stdout.clearLine)) {
//@ts-ignore
process.stdout.clearLine();
//@ts-ignore
process.stdout.cursorTo(0);
} else {
if (this.currentIndex>0) process.stdout.write('\b'.repeat(this.messageSize));
}
}
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