From c538c151c7462ad0395ff2c15c5e11e89e362aa8 Mon Sep 17 00:00:00 2001
From: Striven <sg.striven@cutecat.club>
Date: Sat, 04 Apr 2026 19:47:16 +0000
Subject: [PATCH] Initial commit

---
 quartz/util/fileTrie.test.ts |  171 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 171 insertions(+), 0 deletions(-)

diff --git a/quartz/util/fileTrie.test.ts b/quartz/util/fileTrie.test.ts
index a4481ed..c747f34 100644
--- a/quartz/util/fileTrie.test.ts
+++ b/quartz/util/fileTrie.test.ts
@@ -1,6 +1,7 @@
 import test, { describe, beforeEach } from "node:test"
 import assert from "node:assert"
 import { FileTrieNode } from "./fileTrie"
+import { FullSlug } from "./path"
 
 interface TestData {
   title: string
@@ -192,6 +193,94 @@
     })
   })
 
+  describe("fromEntries", () => {
+    test("nested", () => {
+      const trie = FileTrieNode.fromEntries([
+        ["index" as FullSlug, { title: "Root", slug: "index", filePath: "index.md" }],
+        [
+          "folder/file1" as FullSlug,
+          { title: "File 1", slug: "folder/file1", filePath: "folder/file1.md" },
+        ],
+        [
+          "folder/index" as FullSlug,
+          { title: "Folder Index", slug: "folder/index", filePath: "folder/index.md" },
+        ],
+        [
+          "folder/file2" as FullSlug,
+          { title: "File 2", slug: "folder/file2", filePath: "folder/file2.md" },
+        ],
+        [
+          "folder/folder2/index" as FullSlug,
+          {
+            title: "Subfolder Index",
+            slug: "folder/folder2/index",
+            filePath: "folder/folder2/index.md",
+          },
+        ],
+      ])
+
+      assert.strictEqual(trie.children.length, 1)
+      assert.strictEqual(trie.children[0].slug, "folder/index")
+      assert.strictEqual(trie.children[0].children.length, 3)
+      assert.strictEqual(trie.children[0].children[0].slug, "folder/file1")
+      assert.strictEqual(trie.children[0].children[1].slug, "folder/file2")
+      assert.strictEqual(trie.children[0].children[2].slug, "folder/folder2/index")
+      assert.strictEqual(trie.children[0].children[2].children.length, 0)
+    })
+  })
+
+  describe("findNode", () => {
+    test("should find root node with empty path", () => {
+      const data = { title: "Root", slug: "index", filePath: "index.md" }
+      trie.add(data)
+      const found = trie.findNode([])
+      assert.strictEqual(found, trie)
+    })
+
+    test("should find node at first level", () => {
+      const data = { title: "Test", slug: "test", filePath: "test.md" }
+      trie.add(data)
+      const found = trie.findNode(["test"])
+      assert.strictEqual(found?.data, data)
+    })
+
+    test("should find nested node", () => {
+      const data = {
+        title: "Nested",
+        slug: "folder/subfolder/test",
+        filePath: "folder/subfolder/test.md",
+      }
+      trie.add(data)
+      const found = trie.findNode(["folder", "subfolder", "test"])
+      assert.strictEqual(found?.data, data)
+
+      // should find the folder and subfolder indexes too
+      assert.strictEqual(
+        trie.findNode(["folder", "subfolder", "index"]),
+        trie.children[0].children[0],
+      )
+      assert.strictEqual(trie.findNode(["folder", "index"]), trie.children[0])
+    })
+
+    test("should return undefined for non-existent path", () => {
+      const data = { title: "Test", slug: "test", filePath: "test.md" }
+      trie.add(data)
+      const found = trie.findNode(["nonexistent"])
+      assert.strictEqual(found, undefined)
+    })
+
+    test("should return undefined for partial path", () => {
+      const data = {
+        title: "Nested",
+        slug: "folder/subfolder/test",
+        filePath: "folder/subfolder/test.md",
+      }
+      trie.add(data)
+      const found = trie.findNode(["folder"])
+      assert.strictEqual(found?.data, null)
+    })
+  })
+
   describe("getFolderPaths", () => {
     test("should return all folder paths", () => {
       const data1 = {
@@ -241,4 +330,86 @@
       )
     })
   })
+
+  describe("pathToNode", () => {
+    test("should return root node for empty path", () => {
+      const data = { title: "Root", slug: "index", filePath: "index.md" }
+      trie.add(data)
+      const path = trie.ancestryChain([])
+      assert.deepStrictEqual(path, [trie])
+    })
+
+    test("should return root node for index path", () => {
+      const data = { title: "Root", slug: "index", filePath: "index.md" }
+      trie.add(data)
+      const path = trie.ancestryChain(["index"])
+      assert.deepStrictEqual(path, [trie])
+    })
+
+    test("should return path to first level node", () => {
+      const data = { title: "Test", slug: "test", filePath: "test.md" }
+      trie.add(data)
+      const path = trie.ancestryChain(["test"])
+      assert.deepStrictEqual(path, [trie, trie.children[0]])
+    })
+
+    test("should return path to nested node", () => {
+      const data = {
+        title: "Nested",
+        slug: "folder/subfolder/test",
+        filePath: "folder/subfolder/test.md",
+      }
+      trie.add(data)
+      const path = trie.ancestryChain(["folder", "subfolder", "test"])
+      assert.deepStrictEqual(path, [
+        trie,
+        trie.children[0],
+        trie.children[0].children[0],
+        trie.children[0].children[0].children[0],
+      ])
+    })
+
+    test("should return undefined for non-existent path", () => {
+      const data = { title: "Test", slug: "test", filePath: "test.md" }
+      trie.add(data)
+      const path = trie.ancestryChain(["nonexistent"])
+      assert.strictEqual(path, undefined)
+    })
+
+    test("should return file data for intermediate folders", () => {
+      const data1 = {
+        title: "Root",
+        slug: "index",
+        filePath: "index.md",
+      }
+      const data2 = {
+        title: "Test",
+        slug: "folder/subfolder/test",
+        filePath: "folder/subfolder/test.md",
+      }
+      const data3 = {
+        title: "Folder Index",
+        slug: "folder/index",
+        filePath: "folder/index.md",
+      }
+
+      trie.add(data1)
+      trie.add(data2)
+      trie.add(data3)
+      const path = trie.ancestryChain(["folder", "subfolder"])
+      assert.deepStrictEqual(path, [trie, trie.children[0], trie.children[0].children[0]])
+      assert.strictEqual(path[1].data, data3)
+    })
+
+    test("should return path for partial path", () => {
+      const data = {
+        title: "Nested",
+        slug: "folder/subfolder/test",
+        filePath: "folder/subfolder/test.md",
+      }
+      trie.add(data)
+      const path = trie.ancestryChain(["folder"])
+      assert.deepStrictEqual(path, [trie, trie.children[0]])
+    })
+  })
 })

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