From e758cbe1ee7a2bb128cbd95fd6d3cdcd34623800 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Thu, 28 Dec 2023 22:00:15 +0000
Subject: [PATCH] pkg: bump version to 4.1.4

---
 quartz/processors/parse.ts |   69 +++++++++++++++++++---------------
 1 files changed, 38 insertions(+), 31 deletions(-)

diff --git a/quartz/processors/parse.ts b/quartz/processors/parse.ts
index 23af762..3950fee 100644
--- a/quartz/processors/parse.ts
+++ b/quartz/processors/parse.ts
@@ -5,37 +5,34 @@
 import { Root as MDRoot } from "remark-parse/lib"
 import { Root as HTMLRoot } from "hast"
 import { ProcessedContent } from "../plugins/vfile"
-import { PerfTimer } from "../perf"
+import { PerfTimer } from "../util/perf"
 import { read } from "to-vfile"
-import { FilePath, QUARTZ, slugifyFilePath } from "../path"
+import { FilePath, QUARTZ, slugifyFilePath } from "../util/path"
 import path from "path"
-import os from "os"
 import workerpool, { Promise as WorkerPromise } from "workerpool"
-import { QuartzLogger } from "../log"
-import { trace } from "../trace"
-import { BuildCtx } from "../ctx"
+import { QuartzLogger } from "../util/log"
+import { trace } from "../util/trace"
+import { BuildCtx } from "../util/ctx"
 
-export type QuartzProcessor = Processor<MDRoot, HTMLRoot, void>
+export type QuartzProcessor = Processor<MDRoot, MDRoot, HTMLRoot>
 export function createProcessor(ctx: BuildCtx): QuartzProcessor {
   const transformers = ctx.cfg.plugins.transformers
 
-  // base Markdown -> MD AST
-  let processor = unified().use(remarkParse)
-
-  // MD AST -> MD AST transforms
-  for (const plugin of transformers.filter((p) => p.markdownPlugins)) {
-    processor = processor.use(plugin.markdownPlugins!(ctx))
-  }
-
-  // MD AST -> HTML AST
-  processor = processor.use(remarkRehype, { allowDangerousHtml: true })
-
-  // HTML AST -> HTML AST transforms
-  for (const plugin of transformers.filter((p) => p.htmlPlugins)) {
-    processor = processor.use(plugin.htmlPlugins!(ctx))
-  }
-
-  return processor
+  return (
+    unified()
+      // base Markdown -> MD AST
+      .use(remarkParse)
+      // MD AST -> MD AST transforms
+      .use(
+        transformers
+          .filter((p) => p.markdownPlugins)
+          .flatMap((plugin) => plugin.markdownPlugins!(ctx)),
+      )
+      // MD AST -> HTML AST
+      .use(remarkRehype, { allowDangerousHtml: true })
+      // HTML AST -> HTML AST transforms
+      .use(transformers.filter((p) => p.htmlPlugins).flatMap((plugin) => plugin.htmlPlugins!(ctx)))
+  )
 }
 
 function* chunks<T>(arr: T[], n: number) {
@@ -56,6 +53,8 @@
     platform: "node",
     format: "esm",
     packages: "external",
+    sourcemap: true,
+    sourcesContent: false,
     plugins: [
       {
         name: "css-and-scripts-as-text",
@@ -80,6 +79,7 @@
     const res: ProcessedContent[] = []
     for (const fp of fps) {
       try {
+        const perf = new PerfTimer()
         const file = await read(fp)
 
         // strip leading and trailing whitespace
@@ -87,23 +87,23 @@
 
         // Text -> Text transforms
         for (const plugin of cfg.plugins.transformers.filter((p) => p.textTransform)) {
-          file.value = plugin.textTransform!(ctx, file.value)
+          file.value = plugin.textTransform!(ctx, file.value.toString())
         }
 
         // base data properties that plugins may use
-        file.data.slug = slugifyFilePath(path.relative(argv.directory, file.path) as FilePath)
-        file.data.filePath = fp
+        file.data.filePath = file.path as FilePath
+        file.data.relativePath = path.posix.relative(argv.directory, file.path) as FilePath
+        file.data.slug = slugifyFilePath(file.data.relativePath)
 
         const ast = processor.parse(file)
         const newAst = await processor.run(ast, file)
         res.push([newAst, file])
 
         if (argv.verbose) {
-          console.log(`[process] ${fp} -> ${file.data.slug}`)
+          console.log(`[process] ${fp} -> ${file.data.slug} (${perf.timeSince()})`)
         }
       } catch (err) {
         trace(`\nFailed to process \`${fp}\``, err as Error)
-        throw err
       }
     }
 
@@ -111,13 +111,16 @@
   }
 }
 
+const clamp = (num: number, min: number, max: number) =>
+  Math.min(Math.max(Math.round(num), min), max)
 export async function parseMarkdown(ctx: BuildCtx, fps: FilePath[]): Promise<ProcessedContent[]> {
   const { argv } = ctx
   const perf = new PerfTimer()
   const log = new QuartzLogger(argv.verbose)
 
+  // rough heuristics: 128 gives enough time for v8 to JIT and optimize parsing code paths
   const CHUNK_SIZE = 128
-  let concurrency = fps.length < CHUNK_SIZE ? 1 : os.availableParallelism()
+  const concurrency = ctx.argv.concurrency ?? clamp(fps.length / CHUNK_SIZE, 1, 4)
 
   let res: ProcessedContent[] = []
   log.start(`Parsing input files using ${concurrency} threads`)
@@ -143,7 +146,11 @@
       childPromises.push(pool.exec("parseFiles", [argv, chunk, ctx.allSlugs]))
     }
 
-    const results: ProcessedContent[][] = await WorkerPromise.all(childPromises)
+    const results: ProcessedContent[][] = await WorkerPromise.all(childPromises).catch((err) => {
+      const errString = err.toString().slice("Error:".length)
+      console.error(errString)
+      process.exit(1)
+    })
     res = results.flat()
     await pool.terminate()
   }

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