Starter Packs (#4332)

Co-authored-by: Dan Abramov <dan.abramov@gmail.com>
Co-authored-by: Paul Frazee <pfrazee@gmail.com>
Co-authored-by: Eric Bailey <git@esb.lol>
Co-authored-by: Samuel Newman <mozzius@protonmail.com>

plugins/starterPackAppClipExtension/withFiles.js

@@ -0,0 +1,40 @@
+const {withXcodeProject} = require('@expo/config-plugins')
+const path = require('path')
+const fs = require('fs')
+
+const FILES = ['AppDelegate.swift', 'ViewController.swift']
+
+const withFiles = (config, {targetName}) => {
+  // eslint-disable-next-line no-shadow
+  return withXcodeProject(config, config => {
+    const basePath = path.join(
+      config.modRequest.projectRoot,
+      'modules',
+      targetName,
+    )
+
+    for (const file of FILES) {
+      const sourcePath = path.join(basePath, file)
+      const targetPath = path.join(
+        config.modRequest.platformProjectRoot,
+        targetName,
+        file,
+      )
+
+      fs.mkdirSync(path.dirname(targetPath), {recursive: true})
+      fs.copyFileSync(sourcePath, targetPath)
+    }
+
+    const imagesBasePath = path.join(basePath, 'Images.xcassets')
+    const imagesTargetPath = path.join(
+      config.modRequest.platformProjectRoot,
+      targetName,
+      'Images.xcassets',
+    )
+    fs.cpSync(imagesBasePath, imagesTargetPath, {recursive: true})
+
+    return config
+  })
+}
+
+module.exports = {withFiles}