feat: create declaration maps when building project (#6170)

Intended to improve the DX for devs actively working on the project.
These will not be published in the bundled version of the project nor should
they be added to source control

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

.gitignore

@@ -15,6 +15,7 @@ coverage
 src/**/*.mjs
 !src/functions-templates/**/*.mjs
 src/**/*.d.mts
+src/**/*.d.mts.map
 tsconfig.tsbuildinfo
 
 # node sdk

package.json

@@ -20,7 +20,8 @@
     "/src/lib/templates/**",
     "!/src/**/node_modules/**",
     "!/src/**/*.test.js",
-    "!/src/**/*.mts"
+    "!/src/**/*.mts",
+    "!/src/**/*.d.mts.map"
   ],
   "homepage": "https://github.com/netlify/cli",
   "keywords": [

tsconfig.json

@@ -6,7 +6,7 @@
     "module": "NodeNext",
     "moduleResolution": "NodeNext",
     "declaration": true,
-    "declarationMap": false,
+    "declarationMap": true,
     "removeComments": false,
     "downlevelIteration": true,
     "forceConsistentCasingInFileNames": true,