From 73ad0aa9c1587c73c0ac19c890a21340715ea9ad Mon Sep 17 00:00:00 2001
From: Luis Alvarez <luis@vercel.com>
Date: Wed, 17 Mar 2021 14:53:29 -0600
Subject: [PATCH] Update TS config based on the selected provider

---
 commerce.config.json         |  1 +
 framework/commerce/config.js | 19 ++++++++++++++++++-
 next.config.js               |  1 +
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/commerce.config.json b/commerce.config.json
index 08ea78814..5776a727c 100644
--- a/commerce.config.json
+++ b/commerce.config.json
@@ -1,4 +1,5 @@
 {
+  "updateTSConfig": true,
   "features": {
     "wishlist": true,
     "customCheckout": false
diff --git a/framework/commerce/config.js b/framework/commerce/config.js
index fec443604..a337f26bb 100644
--- a/framework/commerce/config.js
+++ b/framework/commerce/config.js
@@ -2,7 +2,10 @@
  * This file is expected to be used in next.config.js only
  */
 
+const path = require('path')
+const fs = require('fs')
 const merge = require('deepmerge')
+const prettier = require('prettier')
 
 const PROVIDERS = ['bigcommerce', 'shopify']
 
@@ -31,7 +34,7 @@ function withCommerceConfig(nextConfig = {}) {
     )
   }
 
-  const commerceNextConfig = require(`../${name}/next.config`)
+  const commerceNextConfig = require(path.join('../', name, 'next.config'))
   const config = merge(commerceNextConfig, nextConfig)
 
   config.env = config.env || {}
@@ -40,6 +43,20 @@ function withCommerceConfig(nextConfig = {}) {
     if (v) config.env[`COMMERCE_${k.toUpperCase()}_ENABLED`] = true
   })
 
+  // Update paths in `tsconfig.json` to point to the selected provider
+  if (config.commerce.updateTSConfig) {
+    const tsconfigPath = path.join(process.cwd(), 'tsconfig.json')
+    const tsconfig = require(tsconfigPath)
+
+    tsconfig.compilerOptions.paths['@framework'] = [`framework/${name}`]
+    tsconfig.compilerOptions.paths['@framework/*'] = [`framework/${name}/*`]
+
+    fs.writeFileSync(
+      tsconfigPath,
+      prettier.format(JSON.stringify(tsconfig), { parser: 'json' })
+    )
+  }
+
   return config
 }
 
diff --git a/next.config.js b/next.config.js
index c71bce855..c8694f1e0 100644
--- a/next.config.js
+++ b/next.config.js
@@ -44,4 +44,5 @@ module.exports = withCommerceConfig({
   },
 })
 
+// Don't delete this console log, useful to see the commerce config in Vercel deployments
 console.log('next.config.js', JSON.stringify(module.exports, null, 2))