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master @ 39 LINES
 
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// Progress bar with an optional threshold marker and status word:
// [▓▓▓▓▓░░│░░]  47% NOMINAL
import { len } from "../../lib/ascii";

export interface Props {
  /** 0-100. */
  value: number;
  /** 0-100; draws a │ marker and flips the status word above it. */
  threshold?: number;
  /** Bar width in cells, excluding brackets and the readout. */
  cells?: number;
  low?: string;
  high?: string;
}

const clamp = (v: number) => Math.max(0, Math.min(100, Math.round(v)));

export function buildGauge(
  value: number,
  { cells = 20, threshold, low = "NOMINAL", high = "CRITICAL" }: Omit<Props, "valu
e"> = {},
): string {
  const v = clamp(value);
  const filled = Math.round((v / 100) * cells);
  const bar = [..."▓".repeat(filled) + "░".repeat(cells - filled)];

  let status = "";
  if (threshold != null) {
    const t = Math.min(cells - 1, Math.max(0, Math.round((clamp(threshold) / 100) 
* cells)));
    bar[t] = "│";
    status = " " + (v >= threshold ? high : low);
  }

  return `[${bar.join("")}] ${String(v).padStart(3)}%${status}`;
}

// "[" + cells + "] 100%" + optional " STATUS"
export const gaugeWidth = (cells = 20, status = "") =>
  cells + 7 + (status ? 1 + len(status) : 0);


// Progress bar with an optional threshold m
arker and status word:
// [▓▓▓▓▓░░│░░]  47% NOMINAL
import { len } from "../../lib/ascii";

export interface Props {
  /** 0-100. */
  value: number;
  /** 0-100; draws a │ marker and flips the 
status word above it. */
  threshold?: number;
  /** Bar width in cells, excluding brackets
 and the readout. */
  cells?: number;
  low?: string;
  high?: string;
}

const clamp = (v: number) => Math.max(0, Mat
h.min(100, Math.round(v)));

export function buildGauge(
  value: number,
  { cells = 20, threshold, low = "NOMINAL", 
high = "CRITICAL" }: Omit<Props, "value"> = 
{},
): string {
  const v = clamp(value);
  const filled = Math.round((v / 100) * cell
s);
  const bar = [..."▓".repeat(filled) + "░".r
epeat(cells - filled)];

  let status = "";
  if (threshold != null) {
    const t = Math.min(cells - 1, Math.max(0
, Math.round((clamp(threshold) / 100) * cell
s)));
    bar[t] = "│";
    status = " " + (v >= threshold ? high : 
low);
  }

  return `[${bar.join("")}] ${String(v).padS
tart(3)}%${status}`;
}

// "[" + cells + "] 100%" + optional " STATU
S"
export const gaugeWidth = (cells = 20, statu
s = "") =>
  cells + 7 + (status ? 1 + len(status) : 0)
;

 
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