From 94fbf5b0668cc0f4352d433fcb37d621e8aed988 Mon Sep 17 00:00:00 2001
From: RunTheBot <58890327+RunTheBot@users.noreply.github.com>
Date: Wed, 29 May 2024 19:52:53 +0000
Subject: [PATCH] fix: Reorder Unified.js plugins to fix #1132 (#1139)

---
 quartz/plugins/transformers/lastmod.ts |   52 ++++++++++++++++++++++++++++++++++++++++------------
 1 files changed, 40 insertions(+), 12 deletions(-)

diff --git a/quartz/plugins/transformers/lastmod.ts b/quartz/plugins/transformers/lastmod.ts
index 507b585..2c7b9ce 100644
--- a/quartz/plugins/transformers/lastmod.ts
+++ b/quartz/plugins/transformers/lastmod.ts
@@ -2,6 +2,7 @@
 import path from "path"
 import { Repository } from "@napi-rs/simple-git"
 import { QuartzTransformerPlugin } from "../types"
+import chalk from "chalk"
 
 export interface Options {
   priority: ("frontmatter" | "git" | "filesystem")[]
@@ -11,6 +12,20 @@
   priority: ["frontmatter", "git", "filesystem"],
 }
 
+function coerceDate(fp: string, d: any): Date {
+  const dt = new Date(d)
+  const invalidDate = isNaN(dt.getTime()) || dt.getTime() === 0
+  if (invalidDate && d !== undefined) {
+    console.log(
+      chalk.yellow(
+        `\nWarning: found invalid date "${d}" in \`${fp}\`. Supported formats: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date#date_time_string_format`,
+      ),
+    )
+  }
+
+  return invalidDate ? new Date() : dt
+}
+
 type MaybeDate = undefined | string | number
 export const CreatedModifiedDate: QuartzTransformerPlugin<Partial<Options> | undefined> = (
   userOpts,
@@ -27,31 +42,44 @@
             let modified: MaybeDate = undefined
             let published: MaybeDate = undefined
 
-            const fp = path.posix.join(file.cwd, file.data.filePath as string)
+            const fp = file.data.filePath!
+            const fullFp = path.isAbsolute(fp) ? fp : path.posix.join(file.cwd, fp)
             for (const source of opts.priority) {
               if (source === "filesystem") {
-                const st = await fs.promises.stat(fp)
+                const st = await fs.promises.stat(fullFp)
                 created ||= st.birthtimeMs
                 modified ||= st.mtimeMs
               } else if (source === "frontmatter" && file.data.frontmatter) {
-                created ||= file.data.frontmatter.date
-                modified ||= file.data.frontmatter.lastmod
-                modified ||= file.data.frontmatter.updated
-                modified ||= file.data.frontmatter["last-modified"]
-                published ||= file.data.frontmatter.publishDate
+                created ||= file.data.frontmatter.date as MaybeDate
+                modified ||= file.data.frontmatter.lastmod as MaybeDate
+                modified ||= file.data.frontmatter.updated as MaybeDate
+                modified ||= file.data.frontmatter["last-modified"] as MaybeDate
+                published ||= file.data.frontmatter.publishDate as MaybeDate
               } else if (source === "git") {
                 if (!repo) {
-                  repo = new Repository(file.cwd)
+                  // Get a reference to the main git repo.
+                  // It's either the same as the workdir,
+                  // or 1+ level higher in case of a submodule/subtree setup
+                  repo = Repository.discover(file.cwd)
                 }
 
-                modified ||= await repo.getFileLatestModifiedDateAsync(file.data.filePath!)
+                try {
+                  modified ||= await repo.getFileLatestModifiedDateAsync(file.data.filePath!)
+                } catch {
+                  console.log(
+                    chalk.yellow(
+                      `\nWarning: ${file.data
+                        .filePath!} isn't yet tracked by git, last modification date is not available for this file`,
+                    ),
+                  )
+                }
               }
             }
 
             file.data.dates = {
-              created: created ? new Date(created) : new Date(),
-              modified: modified ? new Date(modified) : new Date(),
-              published: published ? new Date(published) : new Date(),
+              created: coerceDate(fp, created),
+              modified: coerceDate(fp, modified),
+              published: coerceDate(fp, published),
             }
           }
         },

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