refactor: use top-level await natively

GreatWizard · Oct 10, 2021 · 8b6835c · 8b6835c
1 parent ce31efd
commit 8b6835c
Showing 1 changed file with 47 additions and 56 deletions.
diff --git a/index.js b/index.js
@@ -1,5 +1,6 @@
 #!/usr/bin/env node
 import clear from 'clear'
+
 import build from './lib/build'
 import getFormats from './lib/get-formats'
 import { installKindlegen } from './lib/kindlegen'
@@ -8,61 +9,51 @@ import { printTitle, info, success, error } from './lib/message'
 import { getOptions, printVersion, printHelp } from './lib/options'
 import readConfig from './lib/read-config'
 
-const { log, trace } = console
-const { exit } = process
-
 const settings = { kindlegen: false }
 
-;(async () => {
-  let options = getOptions()
-
-  if (options.help) {
-    printHelp()
-    return
-  }
-
-  if (options.version) {
-    printVersion()
-    return
-  }
-
-  clear()
-  printTitle()
-
-  try {
-    settings.kindlegen = await installKindlegen(options.mobi)
-  } catch (e) {
-    settings.kindlegen = false
-  }
-
-  let config = await readConfig()
-  info(`Book detected: "${config.filename}"`)
-
-  let { formats } = await getFormats(settings, options)
-
-  let builds = []
-  for (let format of formats) {
-    let currentConfig = mergeConfig(config, format)
-    builds.push(
-      new Promise(function (resolve, reject) {
-        return build(currentConfig)
-          .then(() => {
-            success(`Bounded "${format}" file`)
-            resolve()
-          })
-          .catch((e) => {
-            error(`Error with the format "${format}"`)
-            reject(e)
-          })
-      }),
-    )
-  }
-
-  await Promise.all(builds)
-  log('✨ Done.')
-})
-  .call(this)
-  .catch((e) => {
-    trace(e)
-    exit(1)
-  })
+let options = getOptions()
+
+if (options.help) {
+  printHelp()
+  return
+}
+
+if (options.version) {
+  printVersion()
+  return
+}
+
+clear()
+printTitle()
+
+try {
+  settings.kindlegen = await installKindlegen(options.mobi)
+} catch (e) {
+  settings.kindlegen = false
+}
+
+let config = await readConfig()
+info(`Book detected: "${config.filename}"`)
+
+let { formats } = await getFormats(settings, options)
+
+let builds = []
+for (let format of formats) {
+  let currentConfig = mergeConfig(config, format)
+  builds.push(
+    new Promise(function (resolve, reject) {
+      return build(currentConfig)
+        .then(() => {
+          success(`Bounded "${format}" file`)
+          resolve()
+        })
+        .catch((e) => {
+          error(`Error with the format "${format}"`)
+          reject(e)
+        })
+    }),
+  )
+}
+
+await Promise.all(builds)
+console.log('✨ Done.')