@skyra/start-banner/dist/esm/index.js

A banner generator utility for your CLI

var __defProp = Object.defineProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });

// src/lib/utils.ts
var ansiRegExp = new RegExp(
  [
    String.raw`[\u001B\u009B][[\]()#;?]*(?:(?:(?:(?:;[-a-zA-Z\d\/#&.:=?%@~_]+)*`,
    String.raw`[a-zA-Z\d]+(?:;[-a-zA-Z\d\/#&.:=?%@~_]*)*)?\u0007)`,
    String.raw`(?:(?:\d{1,4}(?:;\d{0,4})*)?[\dA-PR-TZcf-nq-uy=><~]))`
  ].join("|"),
  "g"
);
function escapedLength(line) {
  return line.replaceAll(ansiRegExp, "").length;
}
__name(escapedLength, "escapedLength");
function generateLineData(lines) {
  return lines.map((line) => ({ line, length: escapedLength(line) }));
}
__name(generateLineData, "generateLineData");
function generateFrameData(lines) {
  if (!lines?.length) return { length: 0, lines: [] };
  const entries = generateLineData(lines);
  const length = entries.reduce((prev, entry) => Math.max(prev, entry.length), 0);
  return {
    length,
    lines: entries.map((entry) => `${entry.line}${" ".repeat(length - entry.length)}`)
  };
}
__name(generateFrameData, "generateFrameData");

// src/lib/creator.ts
function createBanner(options) {
  const logoHeight = options.logo?.length ?? 0;
  const nameHeight = options.name?.length ?? 0;
  const extraHeight = options.extra?.length ?? 0;
  const detailsHeight = nameHeight + extraHeight;
  const fullHeight = Math.max(logoHeight, detailsHeight);
  if (fullHeight === 0) throw new Error("Expected any of the options to be passed");
  if (logoHeight === 0) return [...options.name ?? [], ...options.extra ?? []].join("\n");
  if (detailsHeight === 0) return options.logo.join("\n");
  const logoFrame = generateFrameData(options.logo);
  if (logoFrame.length === 0) return [...options.name ?? [], ...options.extra ?? []].join("\n");
  const logoPadding = " ".repeat(logoFrame.length);
  const lines = [];
  for (let i = 0, nl = 0, el = 0; i < fullHeight; ++i) {
    const left = i < logoHeight ? logoFrame.lines[i] : logoPadding;
    const right = nl < nameHeight ? options.name[nl++] : el < extraHeight ? options.extra[el++] : "";
    lines.push(right.length === 0 ? left.trimEnd() : `${left} ${right}`);
  }
  return lines.join("\n");
}
__name(createBanner, "createBanner");

export { ansiRegExp, createBanner, escapedLength, generateFrameData, generateLineData };
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