var fs = require('fs')

var names = []
for (var d of fs.readdirSync('src')) {
  for (var f of fs.readdirSync(`src/${d}`)) {
    var m = f.match(/^([$A-Z][$\w]*)\.(?:coffee|js)$/)
    if (m) names.push(m[1])
  }
}
var decl = `var ${names.sort().join(', ')};\n`
var oldDecl
try {
  oldDecl = fs.readFileSync('tmp/declaration.js', 'utf8')
} catch (err) {}
if (decl !== oldDecl) {
  fs.writeFileSync('tmp/declaration.js', decl, 'utf8')
}