simwrapper/scripts/build-index.cjs at master · tomstephen/simwrapper · GitHub

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'use strict'

const fs = require('fs')

const indexTemplate =
  () => `<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> \n\
<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>Directory listing for /</title></head> \n\
<body>\n\
<h1>Directory listing for %%FOLDER%%</h1><hr/>\n\
<ul>\n\
%%LISTING%%\n\
</ul>\n\
<hr/>\n\
</body>\n\
</html>`

const getFolderContent = source =>
  fs.readdirSync(source, {
    withFileTypes: true,
  })

const buildIndexForFolder = source => {
  const content = getFolderContent(source)

  const folders = []
  let listing = []

  for (const f of content) {
    if (f.name === 'index.html') continue

    const clean = encodeURIComponent(f.name)

    if (f.isDirectory()) {
      listing.push(`<li><a href="${clean}/">${f.name}/</a></li>`)
      folders.push(`${source}/${f.name}`)
    } else {
      listing.push(`<li><a href="${clean}">${f.name}</a></li>`)
    }
  }

  let template = indexTemplate()
  template = template.replace('%%FOLDER%%', source)
  template = template.replace('%%LISTING%%', listing.join('\n'))

  const indexHTML = `${source}/index.html`
  console.log('Writing', indexHTML)

  fs.writeFileSync(indexHTML, template)

  for (const folder of folders) {
    buildIndexForFolder(folder)
  }
}

if (process.argv.length < 3) {
  console.error('Error: Must supply folder, try:\n\nnode build-index.js public/data')
} else {
  const dir = process.argv[2] || '.'
  buildIndexForFolder(dir)
}