licham/dist/cli.js

Vietnamese Calendar

#!/usr/bin/env node
'use strict';

// require('babel-register')
const program = require('commander');
const lunar = require('./index').default;

function parseDate(date) {
  var len = date.length;
  if (len === 2 || len === 4) {
    if (len === 2) date = '20' + date;
    let y = parseInt(date);
    if (isNaN(y)) return false;
    return new Date(y, 0, 1);
  } else if (len === 5 || len === 6) {
    if (len === 5) date = '0' + date;
    let y = parseInt(date.substr(2, 4));
    let m = parseInt(date.substr(0, 2));
    if (isNaN(y) || isNaN(m)) return false;
    return new Date(y, m - 1, 1);
  } else if (len === 7 || len === 8) {
    if (len === 7) date = '0' + date;
    let y = parseInt(date.substr(4, 4));
    let m = parseInt(date.substr(2, 2));
    let d = parseInt(date.substr(0, 2));
    if (isNaN(y) || isNaN(m) || isNaN(d)) return false;
    return new Date(y, m - 1, d);
  } else {
    return false;
  }
}

program.version('1.0.0').usage('[options] <file ...>').option('-d, --date <date>', 'Show calendar for specific date (ddMMyyyy|MMyyyy|yyyy)', parseDate).option('-y, --year', 'Show year calendar').parse(process.argv);

var opt = {};
if (program.year) opt.mode = 'y';
if (program.date) opt.date = program.date;

lunar(opt);