Test for #3697

Author: zachleat

test/_issues/3697/3697-test.js

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+// import path from "node:path";
+// import { fileURLToPath } from "node:url";
+import test from "ava";
+import Eleventy from "../../../src/Eleventy.js";
+
+test("Number file names on global data files", async t => {
+  // TODO fix absolute paths here
+  // let dir = path.parse(fileURLToPath(import.meta.url)).dir;
+  let dir = "./test/_issues/3697/";
+  let elev = new Eleventy(dir, undefined, {
+    config: function (eleventyConfig) {
+      eleventyConfig.addTemplate("index.11ty.js", function(data) {
+        return '' + JSON.stringify(data.folder);
+      })
+    },
+  });
+
+  let results = await elev.toJSON();
+  t.is(results.length, 1);
+  t.is(results[0].content, `[{"key":"value"},null,null,{}]`);
+});

test/_issues/3697/_data/folder/0.json

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+{
+  "key": "value"
+}

test/_issues/3697/_data/folder/3.json

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+{}