fix(deps): update dependency lambda-local to v2.0.2

package.json

@@ -91,6 +91,7 @@
     "Robin Hellemans <robin@oreon.io>",
     "Rodney Coyer <rodney.coyer@gmail.com>",
     "Rohit J (https://twitter.com/syntaxhacker0)",
+    "Roneo.org (Roneo.org)",
     "Rui Ramos <ruiramos@gmail.com> (https://ruiramos.com)",
     "Rune Botten <rbotten@gmail.com> (https://twitter.com/runeb)",
     "Russell Davis (https://twitter.com/_RussellDavis)",
@@ -105,6 +106,7 @@
     "Sergii Zinkevych",
     "Shawn Erquhart <shawn@erquh.art>",
     "Shawn Makinson (http://smakinson.github.io)",
+    "Simon Knott <info@simonknott.de> (https://twitter.com/skn0tt)",
     "Souma Suzuki <subayai.kobashiri@gmail.com>",
     "Sébastien Chopin <seb@nuxtjs.com> (https://twitter.com/Atinux)",
     "Takumi Hirunuma <m.111_t.1230_nittc@outlook.com> (https://twitter.com/mg111_)",

src/lib/functions/synchronous.js

@@ -50,6 +50,9 @@ const validateLambdaResponse = (lambdaResponse) => {
   if (lambdaResponse === undefined) {
     return { error: 'lambda response was undefined. check your function code again' }
   }
+  if (lambdaResponse === null) {
+    return { error: 'no lambda response. check your function code again. make sure to return a promise or use the callback.' }
+  }
   if (!Number(lambdaResponse.statusCode)) {
     return {
       error: `Your function response must have a numerical statusCode. You gave: $ ${lambdaResponse.statusCode}`,

tests/integration/400.command.dev.test.js

@@ -137,6 +137,26 @@ testMatrix.forEach(({ args }) => {
     })
   })
 
+  test(testName('should replicate Lambda behaviour for synchronous return values', args), async (t) => {
+    await withSiteBuilder('site-replicate-aws-sync-behaviour', async (builder) => {
+      builder.withNetlifyToml({ config: { functions: { directory: 'functions' } } }).withFunction({
+        path: 'env.js',
+        handler: () => ({
+          statusCode: 200,
+        }),
+      })
+
+      await builder.buildAsync()
+
+      await withDevServer({ cwd: builder.directory, args }, async (server) => {
+        const response = await got(`${server.url}/.netlify/functions/env`, {
+          throwHttpErrors: false,
+        })
+        t.true(response.body.startsWith('no lambda response.'))
+      })
+    })
+  })
+
   test(testName('should redirect using a wildcard when set in netlify.toml', args), async (t) => {
     await withSiteBuilder('site-with-redirect-function', async (builder) => {
       builder