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import { encode } from "./deps.ts";const { noColor } = Deno;
const LINE_START = noColor ? "" : "\u001b[999D";
export class Progress {  n: number;  r: Deno.Writer;  step: number = 0;
  constructor(n: number, r: Deno.Writer = Deno.stdout) {    this.n = n;    this.r = r;  }  async log(msg: string) {    // we assume that msg doesn't contain \n    const line = `${LINE_START}[${this.step + 1}/${this.n}] ${msg}`;    const b = encode(line);    await this.r.write(b);  }}