From 08f8e3b4a4879dd7c91c16fbce80c4f2bc5e357f Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Mon, 10 Jul 2023 02:32:24 +0000
Subject: [PATCH] docs + various polish

---
 quartz/processors/parse.ts |   30 +++++++++++++++++++++---------
 1 files changed, 21 insertions(+), 9 deletions(-)

diff --git a/quartz/processors/parse.ts b/quartz/processors/parse.ts
index f937701..9947860 100644
--- a/quartz/processors/parse.ts
+++ b/quartz/processors/parse.ts
@@ -21,8 +21,8 @@
   let processor = unified().use(remarkParse)
 
   // MD AST -> MD AST transforms
-  for (const plugin of transformers) {
-    processor = processor.use(plugin.markdownPlugins())
+  for (const plugin of transformers.filter(p => p.markdownPlugins)) {
+    processor = processor.use(plugin.markdownPlugins!())
   }
 
   // MD AST -> HTML AST
@@ -30,8 +30,8 @@
 
 
   // HTML AST -> HTML AST transforms
-  for (const plugin of transformers) {
-    processor = processor.use(plugin.htmlPlugins())
+  for (const plugin of transformers.filter(p => p.htmlPlugins)) {
+    processor = processor.use(plugin.htmlPlugins!())
   }
 
   return processor
@@ -73,15 +73,24 @@
   })
 }
 
-export function createFileParser(baseDir: string, fps: string[], verbose: boolean) {
+export function createFileParser(transformers: QuartzTransformerPluginInstance[], baseDir: string, fps: string[], allSlugs: string[], verbose: boolean) {
   return async (processor: QuartzProcessor) => {
     const res: ProcessedContent[] = []
     for (const fp of fps) {
       try {
         const file = await read(fp)
 
+        // strip leading and trailing whitespace
+        file.value = file.value.toString().trim()
+
+        // Text -> Text transforms
+        for (const plugin of transformers.filter(p => p.textTransform)) {
+          file.value = plugin.textTransform!(file.value)
+        }
+
         // base data properties that plugins may use
         file.data.slug = slugify(path.relative(baseDir, file.path))
+        file.data.allSlugs = allSlugs
         file.data.filePath = fp
 
         const ast = processor.parse(file)
@@ -107,13 +116,16 @@
 
   const CHUNK_SIZE = 128
   let concurrency = fps.length < CHUNK_SIZE ? 1 : os.availableParallelism()
-  let res: ProcessedContent[] = []
 
+  // get all slugs ahead of time as each thread needs a copy
+  // const slugs: string[] = fps.map(fp => slugify(path))
+  const allSlugs = fps.map(fp => slugify(path.relative(baseDir, path.resolve(fp))))
+
+  let res: ProcessedContent[] = []
   log.start(`Parsing input files using ${concurrency} threads`)
   if (concurrency === 1) {
-    // single-thread
     const processor = createProcessor(transformers)
-    const parse = createFileParser(baseDir, fps, verbose)
+    const parse = createFileParser(transformers, baseDir, fps, allSlugs, verbose)
     res = await parse(processor)
   } else {
     await transpileWorkerScript()
@@ -128,7 +140,7 @@
 
     const childPromises: WorkerPromise<ProcessedContent[]>[] = []
     for (const chunk of chunks(fps, CHUNK_SIZE)) {
-      childPromises.push(pool.exec('parseFiles', [baseDir, chunk, verbose]))
+      childPromises.push(pool.exec('parseFiles', [baseDir, chunk, allSlugs, verbose]))
     }
 
     const results: ProcessedContent[][] = await WorkerPromise.all(childPromises)

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