fix: fs.readFile emit relative assets using cwd

src/analyze.ts

@@ -1204,6 +1204,16 @@ export default async function analyze(
         const resolved = resolveAbsolutePathOrUrl(staticChildValue.value);
         await emitAssetPath(resolved);
       } catch (e) {}
+    } else if (
+      'value' in staticChildValue &&
+      typeof staticChildValue.value === 'string'
+    ) {
+      try {
+        const resolved = resolveAbsolutePathOrUrl(
+          path.resolve(cwd, staticChildValue.value),
+        );
+        await emitAssetPath(resolved);
+      } catch (e) {}
     } else if (
       'ifTrue' in staticChildValue &&
       'else' in staticChildValue &&

test/unit.test.js

@@ -90,7 +90,13 @@ for (const { testName, isRoot } of unitTests) {
     console.log(`Skipping unit test on Node.js 22 or above: ${testSuffix}`);
     continue;
   }
-  const unitPath = join(__dirname, 'unit', testName);
+  let unitPath = join(__dirname, 'unit', testName);
+
+  if (testName === 'fs-relative-emission') {
+    // this test has file reads that traverse to the parent dir
+    // so we need to start from the child dir.
+    unitPath += '/main';
+  }
 
   it(`should correctly trace ${testSuffix}`, async () => {
     // We mock readFile because when node-file-trace is integrated into @now/node

test/unit/fs-emission/output.js

@@ -1,5 +1,6 @@
 [
   "package.json",
+  "test/unit/fs-emission/asset1.txt",
   "test/unit/fs-emission/asset2.txt",
   "test/unit/fs-emission/asset3.txt",
   "test/unit/fs-emission/input.js"

test/unit/fs-relative-emission/asset1.txt

@@ -0,0 +1 @@
+1

test/unit/fs-relative-emission/blog/asset2.txt

@@ -0,0 +1 @@
+2

test/unit/fs-relative-emission/blog/asset4.txt

@@ -0,0 +1 @@
+4

test/unit/fs-relative-emission/blog/author/asset3.txt

@@ -0,0 +1 @@
+3

test/unit/fs-relative-emission/main/input.js

@@ -0,0 +1,11 @@
+
+const fs = require('fs');
+
+fs.readFileSync('../asset1.txt')
+
+fs.readFileSync('../blog/asset2.txt')
+
+const asset3 = 'asset3.txt';
+fs.readFileSync('../blog/author' + '/' + asset3, 'utf8');
+
+fs.readFileSync('../blog/author/../asset4.txt')

test/unit/fs-relative-emission/main/output.js

@@ -0,0 +1,8 @@
+[
+  "package.json",
+  "test/unit/fs-relative-emission/asset1.txt",
+  "test/unit/fs-relative-emission/blog/asset2.txt",
+  "test/unit/fs-relative-emission/blog/asset4.txt",
+  "test/unit/fs-relative-emission/blog/author/asset3.txt",
+  "test/unit/fs-relative-emission/main/input.js"
+]