From 9acaa1c8ac8c8afd3fa08d3b1f58a60006fcfc6f Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Fri, 09 Aug 2024 01:19:45 +0000
Subject: [PATCH] feat: custom global latex macros (closes #1325)

---
 quartz/build.ts |   44 ++++++++++++++++++++++++++++----------------
 1 files changed, 28 insertions(+), 16 deletions(-)

diff --git a/quartz/build.ts b/quartz/build.ts
index ed166bb..972a7e8 100644
--- a/quartz/build.ts
+++ b/quartz/build.ts
@@ -60,7 +60,7 @@
 
   const release = await mut.acquire()
   perf.addEvent("clean")
-  await rimraf(output)
+  await rimraf(path.join(output, "*"), { glob: true })
   console.log(`Cleaned output directory \`${output}\` in ${perf.timeSince("clean")}`)
 
   perf.addEvent("glob")
@@ -185,9 +185,14 @@
         const emitterGraph =
           (await emitter.getDependencyGraph?.(ctx, processedFiles, staticResources)) ?? null
 
-        // emmiter may not define a dependency graph. nothing to update if so
         if (emitterGraph) {
-          dependencies[emitter.name]?.updateIncomingEdgesForNode(emitterGraph, fp)
+          const existingGraph = dependencies[emitter.name]
+          if (existingGraph !== null) {
+            existingGraph.mergeGraph(emitterGraph)
+          } else {
+            // might be the first time we're adding a mardown file
+            dependencies[emitter.name] = emitterGraph
+          }
         }
       }
       break
@@ -203,8 +208,9 @@
           const emitterGraph =
             (await emitter.getDependencyGraph?.(ctx, processedFiles, staticResources)) ?? null
 
-          // emmiter may not define a dependency graph. nothing to update if so
-          if (emitterGraph) {
+          // only update the graph if the emitter plugin uses the changed file
+          // eg. Assets plugin ignores md files, so we skip updating the graph
+          if (emitterGraph?.hasNode(fp)) {
             // merge the new dependencies into the dep graph
             dependencies[emitter.name]?.updateIncomingEdgesForNode(emitterGraph, fp)
           }
@@ -223,7 +229,6 @@
   // EMIT
   perf.addEvent("rebuild")
   let emittedFiles = 0
-  const destinationsToDelete = new Set<FilePath>()
 
   for (const emitter of cfg.plugins.emitters) {
     const depGraph = dependencies[emitter.name]
@@ -263,11 +268,6 @@
       // and supply [a.md, b.md] to the emitter
       const upstreams = [...depGraph.getLeafNodeAncestors(fp)] as FilePath[]
 
-      if (action === "delete" && upstreams.length === 1) {
-        // if there's only one upstream, the destination is solely dependent on this file
-        destinationsToDelete.add(upstreams[0])
-      }
-
       const upstreamContent = upstreams
         // filter out non-markdown files
         .filter((file) => contentMap.has(file))
@@ -290,14 +290,26 @@
   console.log(`Emitted ${emittedFiles} files to \`${argv.output}\` in ${perf.timeSince("rebuild")}`)
 
   // CLEANUP
-  // delete files that are solely dependent on this file
-  await rimraf([...destinationsToDelete])
+  const destinationsToDelete = new Set<FilePath>()
   for (const file of toRemove) {
     // remove from cache
     contentMap.delete(file)
-    // remove the node from dependency graphs
-    Object.values(dependencies).forEach((depGraph) => depGraph?.removeNode(file))
+    Object.values(dependencies).forEach((depGraph) => {
+      // remove the node from dependency graphs
+      depGraph?.removeNode(file)
+      // remove any orphan nodes. eg if a.md is deleted, a.html is orphaned and should be removed
+      const orphanNodes = depGraph?.removeOrphanNodes()
+      orphanNodes?.forEach((node) => {
+        // only delete files that are in the output directory
+        if (node.startsWith(argv.output)) {
+          destinationsToDelete.add(node)
+        }
+      })
+    })
   }
+  await rimraf([...destinationsToDelete])
+
+  console.log(chalk.green(`Done rebuilding in ${perf.timeSince()}`))
 
   toRemove.clear()
   release()
@@ -374,7 +386,7 @@
 
     // TODO: we can probably traverse the link graph to figure out what's safe to delete here
     // instead of just deleting everything
-    await rimraf(argv.output)
+    await rimraf(path.join(argv.output, ".*"), { glob: true })
     await emitContent(ctx, filteredContent)
     console.log(chalk.green(`Done rebuilding in ${perf.timeSince()}`))
   } catch (err) {

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