use posix style paths for all path ops

quartz/plugins/emitters/aliases.ts

@@ -18,7 +18,7 @@ export const AliasRedirects: QuartzEmitterPlugin = () => ({
 
     for (const [_tree, file] of content) {
       const ogSlug = canonicalizeServer(file.data.slug!)
-      const dir = path.relative(argv.directory, file.dirname ?? argv.directory)
+      const dir = path.posix.relative(argv.directory, file.dirname ?? argv.directory)
 
       let aliases: CanonicalSlug[] = []
       if (file.data.frontmatter?.aliases) {

quartz/plugins/emitters/static.ts

@@ -1,6 +1,5 @@
 import { FilePath, QUARTZ, joinSegments } from "../../path"
 import { QuartzEmitterPlugin } from "../types"
-import path from "path"
 import fs from "fs"
 import { glob } from "../../glob"
 
@@ -10,7 +9,7 @@ export const Static: QuartzEmitterPlugin = () => ({
     return []
   },
   async emit({ argv, cfg }, _content, _resources, _emit): Promise<FilePath[]> {
-    const staticPath = path.join(QUARTZ, "static")
+    const staticPath = joinSegments(QUARTZ, "static")
     const fps = await glob("**", staticPath, cfg.configuration.ignorePatterns)
     await fs.promises.cp(staticPath, joinSegments(argv.output, "static"), { recursive: true })
     return fps.map((fp) => joinSegments("static", fp)) as FilePath[]