Remove single line javascript comments between ES module import statements

remove-comments-between-imports.js

const fs = require('fs')
const globby = require('globby')
globby
  .sync(
    ['**/*.js', '!node_modules', '!.next', '!**/*.spec.js', '!**/*.test.js', '!**/integration/**'],
    {
      absolute: true,
    },
  )
  .map((file) => {
    return [file, fs.readFileSync(file, 'utf8')]
  })
  .filter(([file, contents]) => {
    return contents.search(/^import /gm) !== -1 || contents.includes('require(')
  })
  .forEach(([file, contents]) => {
    const lines = contents.split('\n')
    const nextLines = lines
      .map((line, i) => {
        if (
          (line.startsWith('//') || line === '') &&
          lines.slice(i, lines.length).some((laterLine) => laterLine.startsWith('import'))
        ) {
          return null
        }
        if (
          line.startsWith('//') &&
          lines.slice(i, lines.length).some((laterLine) => laterLine.includes('require('))
        ) {
          return null
        }
        return line
      })
      .filter((line) => line !== null)
    fs.writeFileSync(file, nextLines.join('\n'), 'utf8')
  })