fix: create PUBLISH_DIR if it doesn't exist (#48)

Author: satyarohith

package.json

@@ -28,6 +28,7 @@
   "dependencies": {
     "@iarna/toml": "^2.2.5",
     "cpx": "^1.5.0",
+    "make-dir": "^3.1.0",
     "netlify-lambda": "satyarohith/netlify-lambda#88eac6a37bfb0920897c86ecda8682944a2bf5be",
     "netlify-redirect-parser": "^2.5.0",
     "nimbella-cli": "https://apigcp.nimbella.io/downloads/nim/nim-v1.8.0/nim-v1.8.0.tar.gz"

src/index.js

@@ -222,6 +222,11 @@ module.exports = {
     }
 
     if (redirectRules.length > 0) {
+      if (!existsSync(constants.PUBLISH_DIR)) {
+        const mkdir = require('make-dir');
+        await mkdir(constants.PUBLISH_DIR);
+      }
+
       await appendFile(redirectsFile, redirectRules.join('\n'));
     }
   }