From 2f6747b1666316e579c6e7238092ac6a65d00925 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Thu, 17 Aug 2023 05:04:15 +0000
Subject: [PATCH] fix relative path resolution in router and link crawling

---
 quartz/bootstrap-cli.mjs |   74 ++++++++++++++++++++++++++++++------
 1 files changed, 61 insertions(+), 13 deletions(-)

diff --git a/quartz/bootstrap-cli.mjs b/quartz/bootstrap-cli.mjs
index 0730f90..077e31b 100755
--- a/quartz/bootstrap-cli.mjs
+++ b/quartz/bootstrap-cli.mjs
@@ -74,6 +74,10 @@
     default: false,
     describe: "run a local server to live-preview your Quartz",
   },
+  baseDir: {
+    string: true,
+    describe: "base path to serve your local server on",
+  },
   port: {
     number: true,
     default: 8080,
@@ -384,19 +388,63 @@
 
       await build(clientRefresh)
       const server = http.createServer(async (req, res) => {
-        await serveHandler(req, res, {
-          public: argv.output,
-          directoryListing: false,
-          trailingSlash: true,
-        })
-        const status = res.statusCode
-        const statusString =
-          status >= 200 && status < 300
-            ? chalk.green(`[${status}]`)
-            : status >= 300 && status < 400
-            ? chalk.yellow(`[${status}]`)
-            : chalk.red(`[${status}]`)
-        console.log(statusString + chalk.grey(` ${req.url}`))
+        const serve = async (fp) => {
+          await serveHandler(req, res, {
+            public: argv.output,
+            directoryListing: false,
+          })
+          const status = res.statusCode
+          const statusString =
+            status >= 200 && status < 300 ? chalk.green(`[${status}]`) : chalk.red(`[${status}]`)
+          console.log(statusString + chalk.grey(` ${req.url}`))
+        }
+
+        const redirect = (newFp) => {
+          res.writeHead(301, {
+            Location: newFp,
+          })
+          console.log(chalk.yellow("[301]") + chalk.grey(` ${req.url} -> ${newFp}`))
+          return res.end()
+        }
+
+        let fp = req.url?.split("?")[0] ?? "/"
+
+        // handle redirects
+        if (fp.endsWith("/")) {
+          // /trailing/
+          // does /trailing/index.html exist? if so, serve it
+          const indexFp = path.posix.join(fp, "index.html")
+          if (fs.existsSync(path.posix.join(argv.output, indexFp))) {
+            return serve(indexFp)
+          }
+
+          // does /trailing.html exist? if so, redirect to /trailing
+          let base = fp.slice(0, -1)
+          if (path.extname(base) === "") {
+            base += ".html"
+          }
+          if (fs.existsSync(path.posix.join(argv.output, base))) {
+            return redirect(base)
+          }
+        } else {
+          // /regular
+          // does /regular.html exist? if so, serve it
+          let base = fp
+          if (path.extname(base) === "") {
+            base += ".html"
+          }
+          if (fs.existsSync(path.posix.join(argv.output, base))) {
+            return serve(base)
+          }
+
+          // does /regular/index.html exist? if so, redirect to /regular/
+          let indexFp = path.posix.join(fp, "index.html")
+          if (fs.existsSync(path.posix.join(argv.output, indexFp))) {
+            return redirect(fp + "/")
+          }
+        }
+
+        return serve(fp)
       })
       server.listen(argv.port)
       console.log(chalk.cyan(`Started a Quartz server listening at http://localhost:${argv.port}`))

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