lib/adapters/atom.js

const mkdirp = require("mkdirp")
const fs = require("fs")
const utils = require("../utils")

function updateScope (scopeText) {
  return scopeText.split(" ")
                  .map((scope) => {
                    return scope.split(".")
                                .map((scopePart) => { return `syntax--${scopePart}` })
                                .join(".")
                  })
                  .join(" .")
                  .split(", ")
                  .join(",\n")
}

module.exports = (theme) => {
  mkdirp.sync(`build/atom/${theme.filename}`)

  let languages = ""
  let syntaxVariables = fs.readFileSync("./lib/templates/atom/syntax-variables.less").toString()
  const editor = fs.readFileSync("./lib/templates/atom/editor.less")

  theme.settings.forEach((setting) => {
    const settings = setting.settings
    const scope = setting.scope

    // Editor settings
    if (!scope) {
      Object.keys(settings).forEach((key) => {
        syntaxVariables = syntaxVariables.replace(new RegExp("\\${" + key + "}", "g"), settings[key])
      })
    } else {
      languages += `\n.${updateScope(scope)} {${utils.declarations(settings)}\n}\n`
    }
  })

  fs.writeFileSync(`./build/atom/${theme.filename}/syntax-variables.less`, syntaxVariables)
  fs.writeFileSync(`./build/atom/${theme.filename}/editor.less`, editor)
  fs.writeFileSync(`./build/atom/${theme.filename}/languages.less`, `atom-text-editor {${languages}}`)
}