Generate kv pairs for O(1) lookup time from text files

kv-generator.ts

import { fileURLToPath } from "node:url"
import { readFileSync, writeFileSync } from "node:fs"
import { dirname } from "node:path"

(() => {
  const __dirname = dirname(fileURLToPath(import.meta.url))
  console.log(`${__dirname}<path><file_name>.<extension>`)
  const robots = readFileSync(`${__dirname}<path><file_name>.<extension>`, "utf-8")
  const kv: Map<string, string> = new Map<string, string>()

  robots.split(/\r?\n/).forEach((line) => {
    const trimmedLine = line.trim()
    if (trimmedLine) {
      kv.set(trimmedLine, trimmedLine)
    }
  })

  writeFileSync(`${__dirname}<path><file_name>.ts`, `export const robots: Readonly<Record<string, string>> = ${JSON.stringify(Object.fromEntries(kv), null, 2)}`)
})()