chore(cpa): get templates using tar (#8006)

Remove `degit` in favor of tar files from codeload.

Degit is rather dated and has unfixed bugs such as #5402  and #7463 .

packages/create-payload-app/package.json

@@ -56,16 +56,15 @@
     "arg": "^5.0.0",
     "chalk": "^4.1.0",
     "comment-json": "^4.2.3",
-    "degit": "^2.8.4",
     "esprima-next": "^6.0.3",
     "execa": "^5.0.0",
     "figures": "^6.1.0",
     "fs-extra": "^9.0.1",
     "globby": "11.1.0",
+    "tar": "^7.4.3",
     "terminal-link": "^2.1.1"
   },
   "devDependencies": {
-    "@types/degit": "^2.8.3",
     "@types/esprima": "^4.0.6",
     "@types/fs-extra": "^9.0.12",
     "@types/jest": "29.5.12",

packages/create-payload-app/src/lib/create-project.ts

@@ -1,6 +1,5 @@
 import * as p from '@clack/prompts'
 import chalk from 'chalk'
-import degit from 'degit'
 import execa from 'execa'
 import fse from 'fs-extra'
 import { fileURLToPath } from 'node:url'
@@ -11,6 +10,7 @@ import type { CliArgs, DbDetails, PackageManager, ProjectTemplate } from '../typ
 import { tryInitRepoAndCommit } from '../utils/git.js'
 import { debug, error, info, warning } from '../utils/log.js'
 import { configurePayloadConfig } from './configure-payload-config.js'
+import { downloadTemplate } from './download-template.js'
 
 const filename = fileURLToPath(import.meta.url)
 const dirname = path.dirname(filename)
@@ -81,8 +81,11 @@ export async function createProject(args: {
       templateUrl = `${template.url}#${cliArgs['--template-branch']}`
       debug(`Using template url: ${templateUrl}`)
     }
-    const emitter = degit(templateUrl)
-    await emitter.clone(projectDir)
+    await downloadTemplate({
+      name: template.name,
+      branch: 'beta',
+      projectDir,
+    })
   }
 
   const spinner = p.spinner()

packages/create-payload-app/src/lib/download-template.ts

@@ -0,0 +1,38 @@
+import { Readable } from 'node:stream'
+import { pipeline } from 'node:stream/promises'
+import { x } from 'tar'
+
+export async function downloadTemplate({
+  name,
+  branch,
+  projectDir,
+}: {
+  branch: string
+  /**
+   * The name of the template to download
+   * Must be dir /templates/<name>
+   */
+  name: string
+  projectDir: string
+}) {
+  const url = `https://codeload.github.com/payloadcms/payload/tar.gz/${branch}`
+  const filter = `payload-${branch}/templates/${name}/`
+  await pipeline(
+    await downloadTarStream(url),
+    x({
+      cwd: projectDir,
+      filter: (p) => p.includes(filter),
+      strip: 2 + name.split('/').length,
+    }),
+  )
+}
+
+async function downloadTarStream(url: string) {
+  const res = await fetch(url)
+
+  if (!res.body) {
+    throw new Error(`Failed to download: ${url}`)
+  }
+
+  return Readable.from(res.body as unknown as NodeJS.ReadableStream)
+}