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/path.test.ts |  279 +++++++++++++++++++++++++++++++++----------------------
 1 files changed, 167 insertions(+), 112 deletions(-)

diff --git a/quartz/util/path.test.ts b/quartz/util/path.test.ts
index ddbb0ee..e85f1d0 100644
--- a/quartz/util/path.test.ts
+++ b/quartz/util/path.test.ts
@@ -1,45 +1,25 @@
 import test, { describe } from "node:test"
 import * as path from "./path"
 import assert from "node:assert"
-import { CanonicalSlug, ServerSlug, TransformOptions } from "./path"
+import { FullSlug, TransformOptions, SimpleSlug } from "./path"
 
 describe("typeguards", () => {
-  test("isClientSlug", () => {
-    assert(path.isClientSlug("http://example.com"))
-    assert(path.isClientSlug("http://example.com/index"))
-    assert(path.isClientSlug("http://example.com/index.html"))
-    assert(path.isClientSlug("http://example.com/"))
-    assert(path.isClientSlug("https://example.com"))
-    assert(path.isClientSlug("https://example.com/abc/def"))
-    assert(path.isClientSlug("https://example.com/abc/def/"))
-    assert(path.isClientSlug("https://example.com/abc/def#cool"))
-    assert(path.isClientSlug("https://example.com/abc/def?field=1&another=2"))
-    assert(path.isClientSlug("https://example.com/abc/def?field=1&another=2#cool"))
-    assert(path.isClientSlug("https://example.com/abc/def.html?field=1&another=2#cool"))
+  test("isSimpleSlug", () => {
+    assert(path.isSimpleSlug(""))
+    assert(path.isSimpleSlug("abc"))
+    assert(path.isSimpleSlug("abc/"))
+    assert(path.isSimpleSlug("notindex"))
+    assert(path.isSimpleSlug("notindex/def"))
 
-    assert(!path.isClientSlug("./"))
-    assert(!path.isClientSlug(""))
-    assert(!path.isClientSlug("ipfs://example.com"))
-    assert(!path.isClientSlug("http"))
-    assert(!path.isClientSlug("https"))
-  })
-
-  test("isCanonicalSlug", () => {
-    assert(path.isCanonicalSlug(""))
-    assert(path.isCanonicalSlug("abc"))
-    assert(path.isCanonicalSlug("notindex"))
-    assert(path.isCanonicalSlug("notindex/def"))
-
-    assert(!path.isCanonicalSlug("//"))
-    assert(!path.isCanonicalSlug("index"))
-    assert(!path.isCanonicalSlug("https://example.com"))
-    assert(!path.isCanonicalSlug("/abc"))
-    assert(!path.isCanonicalSlug("abc/"))
-    assert(!path.isCanonicalSlug("abc/index"))
-    assert(!path.isCanonicalSlug("abc#anchor"))
-    assert(!path.isCanonicalSlug("abc?query=1"))
-    assert(!path.isCanonicalSlug("index.md"))
-    assert(!path.isCanonicalSlug("index.html"))
+    assert(!path.isSimpleSlug("//"))
+    assert(!path.isSimpleSlug("index"))
+    assert(!path.isSimpleSlug("https://example.com"))
+    assert(!path.isSimpleSlug("/abc"))
+    assert(!path.isSimpleSlug("abc/index"))
+    assert(!path.isSimpleSlug("abc#anchor"))
+    assert(!path.isSimpleSlug("abc?query=1"))
+    assert(!path.isSimpleSlug("index.md"))
+    assert(!path.isSimpleSlug("index.html"))
   })
 
   test("isRelativeURL", () => {
@@ -58,18 +38,29 @@
     assert(!path.isRelativeURL("./abc/def.md"))
   })
 
-  test("isServerSlug", () => {
-    assert(path.isServerSlug("index"))
-    assert(path.isServerSlug("abc/def"))
-    assert(path.isServerSlug("html.energy"))
-    assert(path.isServerSlug("test.pdf"))
+  test("isAbsoluteURL", () => {
+    assert(path.isAbsoluteURL("https://example.com"))
+    assert(path.isAbsoluteURL("http://example.com"))
+    assert(path.isAbsoluteURL("ftp://example.com/a/b/c"))
+    assert(path.isAbsoluteURL("http://host/%25"))
+    assert(path.isAbsoluteURL("file://host/twoslashes?more//slashes"))
 
-    assert(!path.isServerSlug("."))
-    assert(!path.isServerSlug("./abc/def"))
-    assert(!path.isServerSlug("../abc/def"))
-    assert(!path.isServerSlug("abc/def#anchor"))
-    assert(!path.isServerSlug("abc/def?query=1"))
-    assert(!path.isServerSlug("note with spaces"))
+    assert(!path.isAbsoluteURL("example.com/abc/def"))
+    assert(!path.isAbsoluteURL("abc"))
+  })
+
+  test("isFullSlug", () => {
+    assert(path.isFullSlug("index"))
+    assert(path.isFullSlug("abc/def"))
+    assert(path.isFullSlug("html.energy"))
+    assert(path.isFullSlug("test.pdf"))
+
+    assert(!path.isFullSlug("."))
+    assert(!path.isFullSlug("./abc/def"))
+    assert(!path.isFullSlug("../abc/def"))
+    assert(!path.isFullSlug("abc/def#anchor"))
+    assert(!path.isFullSlug("abc/def?query=1"))
+    assert(!path.isFullSlug("note with spaces"))
   })
 
   test("isFilePath", () => {
@@ -100,40 +91,17 @@
     }
   }
 
-  test("canonicalizeServer", () => {
+  test("simplifySlug", () => {
     asserts(
       [
-        ["index", ""],
-        ["abc/index", "abc"],
+        ["index", "/"],
+        ["abc", "abc"],
+        ["abc/index", "abc/"],
         ["abc/def", "abc/def"],
       ],
-      path.canonicalizeServer,
-      path.isServerSlug,
-      path.isCanonicalSlug,
-    )
-  })
-
-  test("canonicalizeClient", () => {
-    asserts(
-      [
-        ["http://localhost:3000", ""],
-        ["http://localhost:3000/index", ""],
-        ["http://localhost:3000/test", "test"],
-        ["http://example.com", ""],
-        ["http://example.com/index", ""],
-        ["http://example.com/index.html", ""],
-        ["http://example.com/", ""],
-        ["https://example.com", ""],
-        ["https://example.com/abc/def", "abc/def"],
-        ["https://example.com/abc/def/", "abc/def"],
-        ["https://example.com/abc/def#cool", "abc/def"],
-        ["https://example.com/abc/def?field=1&another=2", "abc/def"],
-        ["https://example.com/abc/def?field=1&another=2#cool", "abc/def"],
-        ["https://example.com/abc/def.html?field=1&another=2#cool", "abc/def"],
-      ],
-      path.canonicalizeClient,
-      path.isClientSlug,
-      path.isCanonicalSlug,
+      path.simplifySlug,
+      path.isFullSlug,
+      path.isSimpleSlug,
     )
   })
 
@@ -148,10 +116,14 @@
         ["index.md", "index"],
         ["test.mp4", "test.mp4"],
         ["note with spaces.md", "note-with-spaces"],
+        ["notes.with.dots.md", "notes.with.dots"],
+        ["test/special chars?.md", "test/special-chars"],
+        ["test/special chars #3.md", "test/special-chars-3"],
+        ["cool/what about r&d?.md", "cool/what-about-r-and-d"],
       ],
       path.slugifyFilePath,
       path.isFilePath,
-      path.isServerSlug,
+      path.isFullSlug,
     )
   })
 
@@ -186,19 +158,52 @@
   test("pathToRoot", () => {
     asserts(
       [
-        ["", "."],
-        ["abc", ".."],
-        ["abc/def", "../.."],
+        ["index", "."],
+        ["abc", "."],
+        ["abc/def", ".."],
+        ["abc/def/ghi", "../.."],
+        ["abc/def/index", "../.."],
       ],
       path.pathToRoot,
-      path.isCanonicalSlug,
+      path.isFullSlug,
       path.isRelativeURL,
     )
   })
+
+  test("joinSegments", () => {
+    assert.strictEqual(path.joinSegments("a", "b"), "a/b")
+    assert.strictEqual(path.joinSegments("a/", "b"), "a/b")
+    assert.strictEqual(path.joinSegments("a", "b/"), "a/b/")
+    assert.strictEqual(path.joinSegments("a/", "b/"), "a/b/")
+
+    // preserve leading and trailing slashes
+    assert.strictEqual(path.joinSegments("/a", "b"), "/a/b")
+    assert.strictEqual(path.joinSegments("/a/", "b"), "/a/b")
+    assert.strictEqual(path.joinSegments("/a", "b/"), "/a/b/")
+    assert.strictEqual(path.joinSegments("/a/", "b/"), "/a/b/")
+
+    // lone slash
+    assert.strictEqual(path.joinSegments("/a/", "b", "/"), "/a/b/")
+    assert.strictEqual(path.joinSegments("a/", "b" + "/"), "a/b/")
+
+    // works with protocol specifiers
+    assert.strictEqual(path.joinSegments("https://example.com", "a"), "https://example.com/a")
+    assert.strictEqual(path.joinSegments("https://example.com/", "a"), "https://example.com/a")
+    assert.strictEqual(path.joinSegments("https://example.com", "a/"), "https://example.com/a/")
+    assert.strictEqual(path.joinSegments("https://example.com/", "a/"), "https://example.com/a/")
+  })
 })
 
 describe("link strategies", () => {
-  const allSlugs = ["a/b/c", "a/b/d", "a/b/index", "e/f", "e/g/h", "index", "a/test.png"] as ServerSlug[]
+  const allSlugs = [
+    "a/b/c",
+    "a/b/d",
+    "a/b/index",
+    "e/f",
+    "e/g/h",
+    "index",
+    "a/test.png",
+  ] as FullSlug[]
 
   describe("absolute", () => {
     const opts: TransformOptions = {
@@ -207,28 +212,28 @@
     }
 
     test("from a/b/c", () => {
-      const cur = "a/b/c" as CanonicalSlug
-      assert.strictEqual(path.transformLink(cur, "a/b/d", opts), "../../../a/b/d")
-      assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "../../../a/b/")
-      assert.strictEqual(path.transformLink(cur, "e/f", opts), "../../../e/f")
-      assert.strictEqual(path.transformLink(cur, "e/g/h", opts), "../../../e/g/h")
-      assert.strictEqual(path.transformLink(cur, "index", opts), "../../../")
-      assert.strictEqual(path.transformLink(cur, "index.png", opts), "../../../index.png")
-      assert.strictEqual(path.transformLink(cur, "index#abc", opts), "../../../#abc")
-      assert.strictEqual(path.transformLink(cur, "tag/test", opts), "../../../tag/test")
-      assert.strictEqual(path.transformLink(cur, "a/b/c#test", opts), "../../../a/b/c#test")
-      assert.strictEqual(path.transformLink(cur, "a/test.png", opts), "../../../a/test.png")
+      const cur = "a/b/c" as FullSlug
+      assert.strictEqual(path.transformLink(cur, "a/b/d", opts), "../../a/b/d")
+      assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "../../a/b/")
+      assert.strictEqual(path.transformLink(cur, "e/f", opts), "../../e/f")
+      assert.strictEqual(path.transformLink(cur, "e/g/h", opts), "../../e/g/h")
+      assert.strictEqual(path.transformLink(cur, "index", opts), "../../")
+      assert.strictEqual(path.transformLink(cur, "index.png", opts), "../../index.png")
+      assert.strictEqual(path.transformLink(cur, "index#abc", opts), "../../#abc")
+      assert.strictEqual(path.transformLink(cur, "tag/test", opts), "../../tag/test")
+      assert.strictEqual(path.transformLink(cur, "a/b/c#test", opts), "../../a/b/c#test")
+      assert.strictEqual(path.transformLink(cur, "a/test.png", opts), "../../a/test.png")
     })
 
     test("from a/b/index", () => {
-      const cur = "a/b" as CanonicalSlug
+      const cur = "a/b/index" as FullSlug
       assert.strictEqual(path.transformLink(cur, "a/b/d", opts), "../../a/b/d")
       assert.strictEqual(path.transformLink(cur, "a/b", opts), "../../a/b")
       assert.strictEqual(path.transformLink(cur, "index", opts), "../../")
     })
 
     test("from index", () => {
-      const cur = "" as CanonicalSlug
+      const cur = "index" as FullSlug
       assert.strictEqual(path.transformLink(cur, "index", opts), "./")
       assert.strictEqual(path.transformLink(cur, "a/b/c", opts), "./a/b/c")
       assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "./a/b/")
@@ -242,20 +247,20 @@
     }
 
     test("from a/b/c", () => {
-      const cur = "a/b/c" as CanonicalSlug
-      assert.strictEqual(path.transformLink(cur, "d", opts), "../../../a/b/d")
-      assert.strictEqual(path.transformLink(cur, "h", opts), "../../../e/g/h")
-      assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "../../../a/b/")
-      assert.strictEqual(path.transformLink(cur, "a/b/index.png", opts), "../../../a/b/index.png")
-      assert.strictEqual(path.transformLink(cur, "a/b/index#abc", opts), "../../../a/b/#abc")
-      assert.strictEqual(path.transformLink(cur, "index", opts), "../../../")
-      assert.strictEqual(path.transformLink(cur, "index.png", opts), "../../../index.png")
-      assert.strictEqual(path.transformLink(cur, "test.png", opts), "../../../a/test.png")
-      assert.strictEqual(path.transformLink(cur, "index#abc", opts), "../../../#abc")
+      const cur = "a/b/c" as FullSlug
+      assert.strictEqual(path.transformLink(cur, "d", opts), "../../a/b/d")
+      assert.strictEqual(path.transformLink(cur, "h", opts), "../../e/g/h")
+      assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "../../a/b/")
+      assert.strictEqual(path.transformLink(cur, "a/b/index.png", opts), "../../a/b/index.png")
+      assert.strictEqual(path.transformLink(cur, "a/b/index#abc", opts), "../../a/b/#abc")
+      assert.strictEqual(path.transformLink(cur, "index", opts), "../../")
+      assert.strictEqual(path.transformLink(cur, "index.png", opts), "../../index.png")
+      assert.strictEqual(path.transformLink(cur, "test.png", opts), "../../a/test.png")
+      assert.strictEqual(path.transformLink(cur, "index#abc", opts), "../../#abc")
     })
 
     test("from a/b/index", () => {
-      const cur = "a/b" as CanonicalSlug
+      const cur = "a/b/index" as FullSlug
       assert.strictEqual(path.transformLink(cur, "d", opts), "../../a/b/d")
       assert.strictEqual(path.transformLink(cur, "h", opts), "../../e/g/h")
       assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "../../a/b/")
@@ -263,7 +268,7 @@
     })
 
     test("from index", () => {
-      const cur = "" as CanonicalSlug
+      const cur = "index" as FullSlug
       assert.strictEqual(path.transformLink(cur, "d", opts), "./a/b/d")
       assert.strictEqual(path.transformLink(cur, "h", opts), "./e/g/h")
       assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "./a/b/")
@@ -278,21 +283,24 @@
     }
 
     test("from a/b/c", () => {
-      const cur = "a/b/c" as CanonicalSlug
+      const cur = "a/b/c" as FullSlug
       assert.strictEqual(path.transformLink(cur, "d", opts), "./d")
       assert.strictEqual(path.transformLink(cur, "index", opts), "./")
       assert.strictEqual(path.transformLink(cur, "../../../index", opts), "../../../")
       assert.strictEqual(path.transformLink(cur, "../../../index.png", opts), "../../../index.png")
       assert.strictEqual(path.transformLink(cur, "../../../index#abc", opts), "../../../#abc")
       assert.strictEqual(path.transformLink(cur, "../../../", opts), "../../../")
-      assert.strictEqual(path.transformLink(cur, "../../../a/test.png", opts), "../../../a/test.png")
+      assert.strictEqual(
+        path.transformLink(cur, "../../../a/test.png", opts),
+        "../../../a/test.png",
+      )
       assert.strictEqual(path.transformLink(cur, "../../../e/g/h", opts), "../../../e/g/h")
       assert.strictEqual(path.transformLink(cur, "../../../e/g/h", opts), "../../../e/g/h")
       assert.strictEqual(path.transformLink(cur, "../../../e/g/h#abc", opts), "../../../e/g/h#abc")
     })
 
     test("from a/b/index", () => {
-      const cur = "a/b" as CanonicalSlug
+      const cur = "a/b/index" as FullSlug
       assert.strictEqual(path.transformLink(cur, "../../index", opts), "../../")
       assert.strictEqual(path.transformLink(cur, "../../", opts), "../../")
       assert.strictEqual(path.transformLink(cur, "../../e/g/h", opts), "../../e/g/h")
@@ -300,9 +308,56 @@
     })
 
     test("from index", () => {
-      const cur = "" as CanonicalSlug
+      const cur = "index" as FullSlug
       assert.strictEqual(path.transformLink(cur, "e/g/h", opts), "./e/g/h")
       assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "./a/b/")
     })
   })
 })
+
+describe("resolveRelative", () => {
+  test("from index", () => {
+    assert.strictEqual(path.resolveRelative("index" as FullSlug, "index" as FullSlug), "./")
+    assert.strictEqual(path.resolveRelative("index" as FullSlug, "abc" as FullSlug), "./abc")
+    assert.strictEqual(
+      path.resolveRelative("index" as FullSlug, "abc/def" as FullSlug),
+      "./abc/def",
+    )
+    assert.strictEqual(
+      path.resolveRelative("index" as FullSlug, "abc/def/ghi" as FullSlug),
+      "./abc/def/ghi",
+    )
+  })
+
+  test("from nested page", () => {
+    assert.strictEqual(path.resolveRelative("abc/def" as FullSlug, "index" as FullSlug), "../")
+    assert.strictEqual(path.resolveRelative("abc/def" as FullSlug, "abc" as FullSlug), "../abc")
+    assert.strictEqual(
+      path.resolveRelative("abc/def" as FullSlug, "abc/def" as FullSlug),
+      "../abc/def",
+    )
+    assert.strictEqual(
+      path.resolveRelative("abc/def" as FullSlug, "ghi/jkl" as FullSlug),
+      "../ghi/jkl",
+    )
+  })
+
+  test("with index paths", () => {
+    assert.strictEqual(path.resolveRelative("abc/index" as FullSlug, "index" as FullSlug), "../")
+    assert.strictEqual(
+      path.resolveRelative("abc/def/index" as FullSlug, "index" as FullSlug),
+      "../../",
+    )
+    assert.strictEqual(path.resolveRelative("index" as FullSlug, "abc/index" as FullSlug), "./abc/")
+    assert.strictEqual(
+      path.resolveRelative("abc/def" as FullSlug, "abc/index" as FullSlug),
+      "../abc/",
+    )
+  })
+
+  test("with simple slugs", () => {
+    assert.strictEqual(path.resolveRelative("abc/def" as FullSlug, "" as SimpleSlug), "../")
+    assert.strictEqual(path.resolveRelative("abc/def" as FullSlug, "ghi" as SimpleSlug), "../ghi")
+    assert.strictEqual(path.resolveRelative("abc/def" as FullSlug, "ghi/" as SimpleSlug), "../ghi/")
+  })
+})

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