From e10de3febffd3e3b7eaa3aed611aea03153e6a82 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Tue, 22 Aug 2023 00:01:18 +0000
Subject: [PATCH] fix: server-handler crash from filename (closes #386)

---
 quartz/bootstrap-cli.mjs |  367 ++++++++++++++++++++++++++++++++++++++-------------
 1 files changed, 272 insertions(+), 95 deletions(-)

diff --git a/quartz/bootstrap-cli.mjs b/quartz/bootstrap-cli.mjs
index 0bf27aa..d068cd8 100755
--- a/quartz/bootstrap-cli.mjs
+++ b/quartz/bootstrap-cli.mjs
@@ -9,12 +9,18 @@
 import fs from "fs"
 import { intro, isCancel, outro, select, text } from "@clack/prompts"
 import { rimraf } from "rimraf"
+import chokidar from "chokidar"
 import prettyBytes from "pretty-bytes"
-import { spawnSync } from "child_process"
-import { transform as cssTransform } from "lightningcss"
+import { execSync, spawnSync } from "child_process"
+import http from "http"
+import serveHandler from "serve-handler"
+import { WebSocketServer } from "ws"
+import { randomUUID } from "crypto"
+import { Mutex } from "async-mutex"
 
+const ORIGIN_NAME = "origin"
 const UPSTREAM_NAME = "upstream"
-const QUARTZ_SOURCE_BRANCH = "v4-alpha"
+const QUARTZ_SOURCE_BRANCH = "v4"
 const cwd = process.cwd()
 const cacheDir = path.join(cwd, ".quartz-cache")
 const cacheFile = "./.quartz-cache/transpiled-build.mjs"
@@ -49,12 +55,6 @@
     default: true,
     describe: "push updates to your Quartz fork",
   },
-  force: {
-    boolean: true,
-    alias: ["f"],
-    default: true,
-    describe: "whether to apply the --force flag to git commands",
-  },
   pull: {
     boolean: true,
     default: true,
@@ -75,6 +75,11 @@
     default: false,
     describe: "run a local server to live-preview your Quartz",
   },
+  baseDir: {
+    string: true,
+    default: "",
+    describe: "base path to serve your local server on",
+  },
   port: {
     number: true,
     default: 8080,
@@ -85,6 +90,10 @@
     default: false,
     describe: "show detailed bundle information",
   },
+  concurrency: {
+    number: true,
+    describe: "how many threads to use to parse notes",
+  },
 }
 
 function escapePath(fp) {
@@ -105,6 +114,7 @@
 }
 
 async function stashContentFolder(contentFolder) {
+  await fs.promises.rm(contentCacheFolder, { force: true, recursive: true })
   await fs.promises.cp(contentFolder, contentCacheFolder, {
     force: true,
     recursive: true,
@@ -125,6 +135,14 @@
   await fs.promises.rm(contentCacheFolder, { force: true, recursive: true })
 }
 
+function gitPull(origin, branch) {
+  const flags = ["--no-rebase", "--autostash", "-s", "recursive", "-X", "ours", "--no-edit"]
+  const out = spawnSync("git", ["pull", ...flags, origin, branch], { stdio: "inherit" })
+  if (out.stderr) {
+    throw new Error(`Error while pulling updates: ${out.stderr}`)
+  }
+}
+
 yargs(hideBin(process.argv))
   .scriptName("quartz")
   .version(version)
@@ -138,7 +156,7 @@
         message: `Choose how to initialize the content in \`${contentFolder}\``,
         options: [
           { value: "new", label: "Empty Quartz" },
-          { value: "copy", label: "Replace with an existing folder", hint: "overwrites `content`" },
+          { value: "copy", label: "Copy an existing folder", hint: "overwrites `content`" },
           {
             value: "symlink",
             label: "Symlink an existing folder",
@@ -151,12 +169,10 @@
 
     async function rmContentFolder() {
       const contentStat = await fs.promises.lstat(contentFolder)
-      if (contentStat) {
-        if (contentStat.isSymbolicLink()) {
-          await fs.promises.unlink(contentFolder)
-        } else {
-          await rimraf(contentFolder)
-        }
+      if (contentStat.isSymbolicLink()) {
+        await fs.promises.unlink(contentFolder)
+      } else {
+        await rimraf(contentFolder)
       }
     }
 
@@ -181,7 +197,10 @@
 
       await rmContentFolder()
       if (setupStrategy === "copy") {
-        await fs.promises.cp(originalFolder, contentFolder, { recursive: true })
+        await fs.promises.cp(originalFolder, contentFolder, {
+          recursive: true,
+          preserveTimestamps: true,
+        })
       } else if (setupStrategy === "symlink") {
         await fs.promises.symlink(originalFolder, contentFolder, "dir")
       }
@@ -236,34 +255,67 @@
     outro(`You're all set! Not sure what to do next? Try:
    • Customizing Quartz a bit more by editing \`quartz.config.ts\`
    • Running \`npx quartz build --serve\` to preview your Quartz locally
-   • Hosting your Quartz online (see: https://quartz.jzhao.xyz/setup/hosting)
+   • Hosting your Quartz online (see: https://quartz.jzhao.xyz/hosting)
 `)
   })
   .command("update", "Get the latest Quartz updates", CommonArgv, async (argv) => {
     const contentFolder = path.join(cwd, argv.directory)
     console.log(chalk.bgGreen.black(`\n Quartz v${version} \n`))
     console.log("Backing up your content")
+    execSync(
+      `git remote show upstream || git remote add upstream https://github.com/jackyzha0/quartz.git`,
+    )
     await stashContentFolder(contentFolder)
     console.log(
       "Pulling updates... you may need to resolve some `git` conflicts if you've made changes to components or plugins.",
     )
-    spawnSync("git", ["rebase", UPSTREAM_NAME, QUARTZ_SOURCE_BRANCH], { stdio: "inherit" })
+    gitPull(UPSTREAM_NAME, QUARTZ_SOURCE_BRANCH)
     await popContentFolder(contentFolder)
     console.log("Ensuring dependencies are up to date")
     spawnSync("npm", ["i"], { stdio: "inherit" })
     console.log(chalk.green("Done!"))
   })
+  .command(
+    "restore",
+    "Try to restore your content folder from the cache",
+    CommonArgv,
+    async (argv) => {
+      const contentFolder = path.join(cwd, argv.directory)
+      await popContentFolder(contentFolder)
+    },
+  )
   .command("sync", "Sync your Quartz to and from GitHub.", SyncArgv, async (argv) => {
     const contentFolder = path.join(cwd, argv.directory)
     console.log(chalk.bgGreen.black(`\n Quartz v${version} \n`))
     console.log("Backing up your content")
 
     if (argv.commit) {
+      const contentStat = await fs.promises.lstat(contentFolder)
+      if (contentStat.isSymbolicLink()) {
+        const linkTarg = await fs.promises.readlink(contentFolder)
+        console.log(chalk.yellow("Detected symlink, trying to dereference before committing"))
+
+        // stash symlink file
+        await stashContentFolder(contentFolder)
+
+        // follow symlink and copy content
+        await fs.promises.cp(linkTarg, contentFolder, {
+          recursive: true,
+          preserveTimestamps: true,
+        })
+      }
+
       const currentTimestamp = new Date().toLocaleString("en-US", {
         dateStyle: "medium",
         timeStyle: "short",
       })
-      spawnSync("git", ["commit", "-am", `Quartz sync: ${currentTimestamp}`], { stdio: "inherit" })
+      spawnSync("git", ["add", "."], { stdio: "inherit" })
+      spawnSync("git", ["commit", "-m", `Quartz sync: ${currentTimestamp}`], { stdio: "inherit" })
+
+      if (contentStat.isSymbolicLink()) {
+        // put symlink back
+        await popContentFolder(contentFolder)
+      }
     }
 
     await stashContentFolder(contentFolder)
@@ -272,102 +324,227 @@
       console.log(
         "Pulling updates from your repository. You may need to resolve some `git` conflicts if you've made changes to components or plugins.",
       )
-      spawnSync("git", ["rebase", "origin", QUARTZ_SOURCE_BRANCH], { stdio: "inherit" })
+      gitPull(ORIGIN_NAME, QUARTZ_SOURCE_BRANCH)
     }
 
     await popContentFolder(contentFolder)
     if (argv.push) {
       console.log("Pushing your changes")
-      const args = argv.force
-        ? ["push", "-f", "origin", QUARTZ_SOURCE_BRANCH]
-        : ["push", "origin", QUARTZ_SOURCE_BRANCH]
-      spawnSync("git", args, { stdio: "inherit" })
+      spawnSync("git", ["push", "-f", ORIGIN_NAME, QUARTZ_SOURCE_BRANCH], { stdio: "inherit" })
     }
 
     console.log(chalk.green("Done!"))
   })
   .command("build", "Build Quartz into a bundle of static HTML files", BuildArgv, async (argv) => {
-    const result = await esbuild
-      .build({
-        entryPoints: [fp],
-        outfile: path.join("quartz", cacheFile),
-        bundle: true,
-        keepNames: true,
-        minify: true,
-        platform: "node",
-        format: "esm",
-        jsx: "automatic",
-        jsxImportSource: "preact",
-        packages: "external",
-        metafile: true,
-        sourcemap: true,
-        plugins: [
-          sassPlugin({
-            type: "css-text",
-            cssImports: true,
-            async transform(css) {
-              const { code } = cssTransform({
-                filename: "style.css",
-                code: Buffer.from(css),
-                minify: true,
-              })
-              return code.toString()
-            },
-          }),
-          {
-            name: "inline-script-loader",
-            setup(build) {
-              build.onLoad({ filter: /\.inline\.(ts|js)$/ }, async (args) => {
-                let text = await promises.readFile(args.path, "utf8")
+    console.log(chalk.bgGreen.black(`\n Quartz v${version} \n`))
+    const ctx = await esbuild.context({
+      entryPoints: [fp],
+      outfile: path.join("quartz", cacheFile),
+      bundle: true,
+      keepNames: true,
+      minifyWhitespace: true,
+      minifySyntax: true,
+      platform: "node",
+      format: "esm",
+      jsx: "automatic",
+      jsxImportSource: "preact",
+      packages: "external",
+      metafile: true,
+      sourcemap: true,
+      sourcesContent: false,
+      plugins: [
+        sassPlugin({
+          type: "css-text",
+          cssImports: true,
+        }),
+        {
+          name: "inline-script-loader",
+          setup(build) {
+            build.onLoad({ filter: /\.inline\.(ts|js)$/ }, async (args) => {
+              let text = await promises.readFile(args.path, "utf8")
 
-                // remove default exports that we manually inserted
-                text = text.replace("export default", "")
-                text = text.replace("export", "")
+              // remove default exports that we manually inserted
+              text = text.replace("export default", "")
+              text = text.replace("export", "")
 
-                const sourcefile = path.relative(path.resolve("."), args.path)
-                const resolveDir = path.dirname(sourcefile)
-                const transpiled = await esbuild.build({
-                  stdin: {
-                    contents: text,
-                    loader: "ts",
-                    resolveDir,
-                    sourcefile,
-                  },
-                  write: false,
-                  minify: true,
-                  bundle: true,
-                  platform: "browser",
-                  format: "esm",
-                })
-                const rawMod = transpiled.outputFiles[0].text
-                return {
-                  contents: rawMod,
-                  loader: "text",
-                }
+              const sourcefile = path.relative(path.resolve("."), args.path)
+              const resolveDir = path.dirname(sourcefile)
+              const transpiled = await esbuild.build({
+                stdin: {
+                  contents: text,
+                  loader: "ts",
+                  resolveDir,
+                  sourcefile,
+                },
+                write: false,
+                bundle: true,
+                platform: "browser",
+                format: "esm",
               })
-            },
+              const rawMod = transpiled.outputFiles[0].text
+              return {
+                contents: rawMod,
+                loader: "text",
+              }
+            })
           },
-        ],
-      })
-      .catch((err) => {
+        },
+      ],
+    })
+
+    const buildMutex = new Mutex()
+    const timeoutIds = new Set()
+    let firstBuild = true
+    const build = async (clientRefresh) => {
+      const release = await buildMutex.acquire()
+      if (firstBuild) {
+        firstBuild = false
+      } else {
+        console.log(chalk.yellow("Detected a source code change, doing a hard rebuild..."))
+      }
+
+      const result = await ctx.rebuild().catch((err) => {
         console.error(`${chalk.red("Couldn't parse Quartz configuration:")} ${fp}`)
         console.log(`Reason: ${chalk.grey(err)}`)
         process.exit(1)
       })
 
-    if (argv.bundleInfo) {
-      const outputFileName = "quartz/.quartz-cache/transpiled-build.mjs"
-      const meta = result.metafile.outputs[outputFileName]
-      console.log(
-        `Successfully transpiled ${Object.keys(meta.inputs).length} files (${prettyBytes(
-          meta.bytes,
-        )})`,
-      )
-      console.log(await esbuild.analyzeMetafile(result.metafile, { color: true }))
+      if (argv.bundleInfo) {
+        const outputFileName = "quartz/.quartz-cache/transpiled-build.mjs"
+        const meta = result.metafile.outputs[outputFileName]
+        console.log(
+          `Successfully transpiled ${Object.keys(meta.inputs).length} files (${prettyBytes(
+            meta.bytes,
+          )})`,
+        )
+        console.log(await esbuild.analyzeMetafile(result.metafile, { color: true }))
+      }
+
+      // bypass module cache
+      // https://github.com/nodejs/modules/issues/307
+      const { default: buildQuartz } = await import(cacheFile + `?update=${randomUUID()}`)
+      await buildQuartz(argv, clientRefresh)
+      clientRefresh()
+      release()
     }
 
-    const { default: buildQuartz } = await import(cacheFile)
-    buildQuartz(argv, version)
+    const rebuild = (clientRefresh) => {
+      timeoutIds.forEach((id) => clearTimeout(id))
+      timeoutIds.clear()
+      timeoutIds.add(setTimeout(() => build(clientRefresh), 250))
+    }
+
+    if (argv.serve) {
+      const connections = []
+      const clientRefresh = () => connections.forEach((conn) => conn.send("rebuild"))
+
+      if (argv.baseDir !== "" && !argv.baseDir.startsWith("/")) {
+        argv.baseDir = "/" + argv.baseDir
+      }
+
+      await build(clientRefresh)
+      const server = http.createServer(async (req, res) => {
+        if (argv.baseDir && !req.url?.startsWith(argv.baseDir)) {
+          console.log(
+            chalk.red(
+              `[404] ${req.url} (warning: link outside of site, this is likely a Quartz bug)`,
+            ),
+          )
+          res.writeHead(404)
+          res.end()
+          return
+        }
+
+        // strip baseDir prefix
+        req.url = req.url?.slice(argv.baseDir.length)
+
+        const serve = async () => {
+          await serveHandler(req, res, {
+            public: argv.output,
+            directoryListing: false,
+            headers: [
+              {
+                source: "**/*.html",
+                headers: [{ key: "Content-Disposition", value: "inline" }],
+              },
+            ],
+          })
+          const status = res.statusCode
+          const statusString =
+            status >= 200 && status < 300 ? chalk.green(`[${status}]`) : chalk.red(`[${status}]`)
+          console.log(statusString + chalk.grey(` ${argv.baseDir}${req.url}`))
+        }
+
+        const redirect = (newFp) => {
+          newFp = argv.baseDir + newFp
+          res.writeHead(302, {
+            Location: newFp,
+          })
+          console.log(chalk.yellow("[302]") + chalk.grey(` ${argv.baseDir}${req.url} -> ${newFp}`))
+          res.end()
+        }
+
+        let fp = req.url?.split("?")[0] ?? "/"
+
+        // handle redirects
+        if (fp.endsWith("/")) {
+          // /trailing/
+          // does /trailing/index.html exist? if so, serve it
+          const indexFp = path.posix.join(fp, "index.html")
+          if (fs.existsSync(path.posix.join(argv.output, indexFp))) {
+            req.url = fp
+            return serve()
+          }
+
+          // does /trailing.html exist? if so, redirect to /trailing
+          let base = fp.slice(0, -1)
+          if (path.extname(base) === "") {
+            base += ".html"
+          }
+          if (fs.existsSync(path.posix.join(argv.output, base))) {
+            return redirect(fp.slice(0, -1))
+          }
+        } else {
+          // /regular
+          // does /regular.html exist? if so, serve it
+          let base = fp
+          if (path.extname(base) === "") {
+            base += ".html"
+          }
+          if (fs.existsSync(path.posix.join(argv.output, base))) {
+            req.url = fp
+            return serve()
+          }
+
+          // does /regular/index.html exist? if so, redirect to /regular/
+          let indexFp = path.posix.join(fp, "index.html")
+          if (fs.existsSync(path.posix.join(argv.output, indexFp))) {
+            return redirect(fp + "/")
+          }
+        }
+
+        return serve()
+      })
+      server.listen(argv.port)
+      const wss = new WebSocketServer({ port: 3001 })
+      wss.on("connection", (ws) => connections.push(ws))
+      console.log(
+        chalk.cyan(
+          `Started a Quartz server listening at http://localhost:${argv.port}${argv.baseDir}`,
+        ),
+      )
+      console.log("hint: exit with ctrl+c")
+      chokidar
+        .watch(["**/*.ts", "**/*.tsx", "**/*.scss", "package.json"], {
+          ignoreInitial: true,
+        })
+        .on("all", async () => {
+          rebuild(clientRefresh)
+        })
+    } else {
+      await build(() => {})
+      ctx.dispose()
+    }
   })
   .showHelpOnFail(false)
   .help()

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