Resolve #3132

src/misc/cli/progressbar.ts

@@ -1,85 +0,0 @@
-import { EventEmitter } from 'events';
-import * as readline from 'readline';
-import chalk from 'chalk';
-
-/**
- * Progress bar
- */
-export default class extends EventEmitter {
-	public max: number;
-	public value: number;
-	public text: string;
-	private indicator: number;
-
-	constructor(max: number, text: string = null) {
-		super();
-		this.max = max;
-		this.value = 0;
-		this.text = text;
-		this.indicator = 0;
-		this.draw();
-
-		const iclock = setInterval(() => {
-			this.indicator = (this.indicator + 1) % 4;
-			this.draw();
-		}, 200);
-
-		this.on('complete', () => {
-			clearInterval(iclock);
-		});
-	}
-
-	public increment(): void {
-		this.value++;
-		this.draw();
-
-		// Check if it is fulfilled
-		if (this.value === this.max) {
-			this.indicator = null;
-
-			cll();
-			process.stdout.write(`${this.render()} -> ${chalk.bold('Complete')}\n`);
-
-			this.emit('complete');
-		}
-	}
-
-	public draw(): void {
-		const str = this.render();
-		cll();
-		process.stdout.write(str);
-	}
-
-	private render(): string {
-		const width = 30;
-		const t = this.text ? `${this.text} ` : '';
-
-		const v = Math.floor((this.value / this.max) * width);
-		const vs = new Array(v + 1).join('*');
-
-		const p = width - v;
-		const ps = new Array(p + 1).join(' ');
-
-		const percentage = Math.floor((this.value / this.max) * 100);
-		const percentages = chalk.gray(`(${percentage} %)`);
-
-		let i: string;
-		switch (this.indicator) {
-			case 0: i = '-'; break;
-			case 1: i = '\\'; break;
-			case 2: i = '|'; break;
-			case 3: i = '/'; break;
-			case null: i = '+'; break;
-		}
-
-		return `${i} ${t}[${vs}${ps}] ${this.value} / ${this.max} ${percentages}`;
-	}
-}
-
-/**
- * Clear current line
- */
-function cll(): void {
-	readline.clearLine(process.stdout, 0); // Clear current text
-	readline.cursorTo(process.stdout, 0, null); // Move cursor to the head of line
-}