From 05a1c34c6f6973eebcbcc50f50b64c2a0d62e8fa Mon Sep 17 00:00:00 2001
From: Florence <59734957+Pydes-boop@users.noreply.github.com>
Date: Wed, 01 Nov 2023 16:57:32 +0000
Subject: [PATCH] docs: remove dead link (#561)

---
 quartz/processors/parse.ts |   58 +++++++++++++++++++++++++++++++---------------------------
 1 files changed, 31 insertions(+), 27 deletions(-)

diff --git a/quartz/processors/parse.ts b/quartz/processors/parse.ts
index aec2276..29f92fc 100644
--- a/quartz/processors/parse.ts
+++ b/quartz/processors/parse.ts
@@ -5,25 +5,25 @@
 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, ServerSlug, 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 { QuartzTransformerPluginInstance } from "../plugins/types"
-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 function createProcessor(transformers: QuartzTransformerPluginInstance[]): QuartzProcessor {
+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!())
+    processor = processor.use(plugin.markdownPlugins!(ctx))
   }
 
   // MD AST -> HTML AST
@@ -31,7 +31,7 @@
 
   // HTML AST -> HTML AST transforms
   for (const plugin of transformers.filter((p) => p.htmlPlugins)) {
-    processor = processor.use(plugin.htmlPlugins!())
+    processor = processor.use(plugin.htmlPlugins!(ctx))
   }
 
   return processor
@@ -55,6 +55,8 @@
     platform: "node",
     format: "esm",
     packages: "external",
+    sourcemap: true,
+    sourcesContent: false,
     plugins: [
       {
         name: "css-and-scripts-as-text",
@@ -73,11 +75,13 @@
   })
 }
 
-export function createFileParser({ argv, cfg }: BuildCtx, fps: FilePath[], allSlugs: ServerSlug[]) {
+export function createFileParser(ctx: BuildCtx, fps: FilePath[]) {
+  const { argv, cfg } = ctx
   return async (processor: QuartzProcessor) => {
     const res: ProcessedContent[] = []
     for (const fp of fps) {
       try {
+        const perf = new PerfTimer()
         const file = await read(fp)
 
         // strip leading and trailing whitespace
@@ -85,12 +89,11 @@
 
         // Text -> Text transforms
         for (const plugin of cfg.plugins.transformers.filter((p) => p.textTransform)) {
-          file.value = plugin.textTransform!(file.value)
+          file.value = plugin.textTransform!(ctx, file.value)
         }
 
         // base data properties that plugins may use
-        file.data.slug = slugifyFilePath(path.relative(argv.directory, file.path) as FilePath)
-        file.data.allSlugs = allSlugs
+        file.data.slug = slugifyFilePath(path.posix.relative(argv.directory, file.path) as FilePath)
         file.data.filePath = fp
 
         const ast = processor.parse(file)
@@ -98,11 +101,10 @@
         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
       }
     }
 
@@ -110,25 +112,23 @@
   }
 }
 
+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, cfg } = ctx
+  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()
-
-  // get all slugs ahead of time as each thread needs a copy
-  const allSlugs = fps.map((fp) =>
-    slugifyFilePath(path.relative(argv.directory, path.resolve(fp)) as FilePath),
-  )
+  const concurrency = ctx.argv.concurrency ?? clamp(fps.length / CHUNK_SIZE, 1, 4)
 
   let res: ProcessedContent[] = []
   log.start(`Parsing input files using ${concurrency} threads`)
   if (concurrency === 1) {
     try {
-      const processor = createProcessor(cfg.plugins.transformers)
-      const parse = createFileParser(ctx, fps, allSlugs)
+      const processor = createProcessor(ctx)
+      const parse = createFileParser(ctx, fps)
       res = await parse(processor)
     } catch (error) {
       log.end()
@@ -144,10 +144,14 @@
 
     const childPromises: WorkerPromise<ProcessedContent[]>[] = []
     for (const chunk of chunks(fps, CHUNK_SIZE)) {
-      childPromises.push(pool.exec("parseFiles", [argv, chunk, allSlugs]))
+      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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