migrate-snippets-to-scriptlets.ts

// noinspection JSDeprecatedSymbols
import "@johnlindquist/kit"
import { parseMetadata } from "@johnlindquist/kit"

metadata = {
  name: "Migrate Snippets to Scriptlets",
  description: "Reads your legacy snippets folder and migrates them to the new markdown-based scriptlets syntax",
  author: "JosXa",
}

const snippetsDir = kenvPath("snippets")

const snippetFiles = (await readdir(snippetsDir, { encoding: "utf8", recursive: false })).filter((x) =>
  x.endsWith(".txt"),
)

const scriptletParts = ["# Migrated Snippets"]

for (const fileName of snippetFiles) {
  const fileContent = await readFile(path.join(snippetsDir, fileName), { encoding: "utf8" })

  const contentRegex = /(?:\/\/.*\r?\n)*([\s\S]+)$/
  const text = fileContent.match(contentRegex)?.[1]?.trim()
  debugger

  if (!text) {
    console.error(`No text found for snippet ${fileName}`)
    continue
  }

  // @ts-expect-error Typings bug
  const { name, snippet, expand, type: _, ...rest } = parseMetadata(fileContent)

  const expandMetadata = expand ?? snippet

  if (!expandMetadata) {
    console.error(`Snippet ${fileName} has no expand or snippet property!`)
    continue
  }

  scriptletParts.push(`## ${name}`)

  const metadataStr = [] as string[]
  metadataStr.push(`Expand: ${expandMetadata}`)
  for (const [key, value] of Object.entries(rest)) {
    metadataStr.push(`${titleCase(key)}: ${value}`)
  }

  scriptletParts.push(`<!--\n${metadataStr.join("\n")}\n-->`)

  scriptletParts.push(`\`\`\`paste\n${text}\n\`\`\`\n`)
}

const finalScriptlet = scriptletParts.join("\n\n")

const outFile = kenvPath("scriptlets", "migrated-snippets.md")

if (await pathExists(outFile)) {
  const choice = await select<"Abort" | "Yes">(
    { hint: `File at ${outFile} already exists! Overwrite it?`, strict: true, multiple: false },
    ["Abort", "Yes"],
  )
  if (choice === "Abort") {
    exit()
  }
  await unlink(outFile)
}

await writeFile(outFile, finalScriptlet)
await edit(outFile)

function titleCase(str: string) {
  return str.slice(0, 1).toUpperCase() + str.slice(1)
}