tell-me-when/cli.mjs

human relative date and time parser

import { tellMeWhen, ParseError } from "./index.mjs";
const expr = process.argv.slice(2).filter(a => !a.startsWith('--')).join(' ');
const iso = process.argv.includes('--iso');
let result;
try {
  result = tellMeWhen(expr);
} catch (error) {
  if (error instanceof ParseError) {
    // eslint-disable-next-line no-console
    console.error(expr);
    // eslint-disable-next-line no-console
    console.error(`${' '.repeat(error.from)}${'^'.repeat(Math.max(1, error.to - error.from))} parse error`);
  }
  process.exit(1);
}
const formatDate = iso ? d => d.toISOString() : d => d.toLocaleString();

// eslint-disable-next-line no-console
console.log(Array.isArray(result) ? result.map(formatDate).join(' to ') : formatDate(result));
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