convert tweets.js to markdown in V

main.v

import x.json2
import os

struct Tweets {
	tweet struct {
		created_at string
		full_text  string
	}
}

fn write_text(s string, key string) ! {
	year := key[..4]
	month := key[5..]

	mut text := '### ${key}\n'
	text += s

	os.write_file('contents/${year}${month}.md', text)!
	// println('${year} ${month}')
}

fn main() {
	// js_path := 'test.js'
	js_path := 'tweets.js'

	js_content := os.read_file(js_path)!
	tweets := json2.decode_array[Tweets](js_content)!

	// mut result := map[string]string{}
	mut result := map[string][]string{}

	for t in tweets {
		created_at := t.tweet.created_at
		full_text := t.tweet.full_text

		year := created_at#[-4..]
		month := match created_at[4..7] {
			'Jan' { '01' }
			'Feb' { '02' }
			'Mar' { '03' }
			'Apr' { '04' }
			'May' { '05' }
			'Jun' { '06' }
			'Jul' { '07' }
			'Aug' { '08' }
			'Sep' { '09' }
			'Oct' { '10' }
			'Nov' { '11' }
			'Dec' { '12' }
			else { '' }
		}
		day := created_at[8..10]
		time_ := created_at[11..16]

		mut md := ''
		md += '#### ${day} ${time_}\n'
		md += '${full_text}\n'

		result['${year}/${month}'] << [md]
	}

	for k, _ in result {
		result[k].sort(a > b)
		write_text(result[k].join(''), k)!
	}
	// print(result['2022/05'])
}