Allow customizing output path

src/gloss/builder.gleam

@@ -1,14 +1,13 @@
 import gleam/result
 import gloss/parser
 import gloss/rendering/database as render_database
-import gloss/writer
 import gloss/config.{type Configuration}
 import gloss/models/database.{type Database}
 import gloss/compiler.{type CompileDatabase}
 
 pub type BuildError {
   ParseError(err: parser.ParseError)
-  WriteError(err: writer.WriteError)
+  WriteError(err: config.WriteError)
 }
 
 pub fn parse(config: Configuration) {
@@ -25,6 +24,6 @@ pub fn render(db: Database, compiled: CompileDatabase, config: Configuration) {
 }
 
 pub fn write(posts: render_database.RenderDatabase, config: Configuration) {
-  config.writer(posts, config.paths)
+  config.writer(posts, config)
   |> result.map_error(WriteError)
 }

src/gloss/config.gleam

@@ -6,10 +6,16 @@ import gloss/rendering/views.{
 }
 import gloss/compiler.{type CompileDatabase, type Compiler}
 import gloss/parser.{type Parser}
-import gloss/writer.{type Writer}
 import gloss/models/database.{type Database}
 import gloss/rendering/database.{type RenderDatabase} as _
 
+pub type WriteError {
+  WriteError(err: String)
+}
+
+pub type Writer =
+  fn(RenderDatabase, Configuration) -> Result(Nil, WriteError)
+
 pub type Views {
   Views(
     base: fn(Database, Configuration) -> BaseView,
@@ -54,5 +60,6 @@ pub type Configuration {
     paths: PathConfiguration,
     parser: Parser,
     writer: Writer,
+    output_path: String,
   )
 }

src/gloss/defaults.gleam

@@ -47,5 +47,6 @@ pub fn default_config(
     paths: paths.defaults,
     parser: parser.default_parse,
     writer: writer.write,
+    output_path: "./output",
   )
 }

src/gloss/writer.gleam

@@ -1,35 +1,27 @@
 import gleam/list
 import gleam/dict
 import gleam/result
+import gleam/string
 import lustre/ssg
 import lustre/ssg/xml
 import lustre/element
 import gloss/rendering/database.{type RenderDatabase} as _
 import gloss/models/post.{type Post}
 import gloss/paths/post.{type PostPath} as _
-import gloss/paths.{type PathConfiguration}
+import gloss/config.{type Configuration, WriteError}
-
-const default_output = "./output"
 
 pub type PostPathGenerator =
   fn(Post) -> PostPath
 
-pub type Writer =
+pub fn write(db: RenderDatabase, config: Configuration) {
-  fn(RenderDatabase, PathConfiguration) -> Result(Nil, WriteError)
-
-pub type WriteError {
-  WriteError(err: ssg.BuildError)
-}
-
-pub fn write(db: RenderDatabase, path_conf: PathConfiguration) {
   let site =
-    ssg.new(default_output)
+    ssg.new(config.output_path)
     |> ssg.add_static_dir("./build/dev/javascript/gloss/priv/assets")
 
   let single_posts =
     db.single_posts
     |> list.map(fn(post) {
-      let path = path_conf.single_post(post.orig)
+      let path = config.paths.single_post(post.orig)
       #(path, post.content)
     })
 
@@ -39,14 +31,14 @@ pub fn write(db: RenderDatabase, path_conf: PathConfiguration) {
 
   let site =
     list.fold(rest, site, fn(acc, page) {
-      let path = path_conf.list_page(path_conf.index, page.page)
+      let path = config.paths.list_page(config.paths.index, page.page)
       ssg.add_static_route(acc, path, page.content)
     })
 
   let site =
     dict.fold(db.tag_pages, site, fn(acc, tag, posts) {
       list.fold(posts, acc, fn(acc2, page) {
-        let path = path_conf.list_page(path_conf.tag(tag), page.page)
+        let path = config.paths.list_page(config.paths.tag(tag), page.page)
         ssg.add_static_route(acc2, path, page.content)
       })
     })
@@ -54,7 +46,7 @@ pub fn write(db: RenderDatabase, path_conf: PathConfiguration) {
   let site =
     dict.fold(db.year_pages, site, fn(acc, year, posts) {
       list.fold(posts, acc, fn(acc2, page) {
-        let path = path_conf.list_page(path_conf.year(year), page.page)
+        let path = config.paths.list_page(config.paths.year(year), page.page)
         ssg.add_static_route(acc2, path, page.content)
       })
     })
@@ -63,7 +55,8 @@ pub fn write(db: RenderDatabase, path_conf: PathConfiguration) {
     dict.fold(db.month_pages, site, fn(acc, year_month, posts) {
       let #(year, month) = year_month
       list.fold(posts, acc, fn(acc2, page) {
-        let path = path_conf.list_page(path_conf.month(year, month), page.page)
+        let path =
+          config.paths.list_page(config.paths.month(year, month), page.page)
         ssg.add_static_route(acc2, path, page.content)
       })
     })
@@ -71,7 +64,7 @@ pub fn write(db: RenderDatabase, path_conf: PathConfiguration) {
   let site =
     ssg.add_static_asset(
       site,
-      path_conf.feed_file,
+      config.paths.feed_file,
       element.to_string(xml.declaration()) <> element.to_string(db.feed),
     )
 
@@ -83,10 +76,10 @@ pub fn write(db: RenderDatabase, path_conf: PathConfiguration) {
 
   let site =
     list.fold(db.pages, site, fn(acc, page) {
-      ssg.add_static_route(acc, path_conf.page(page.page), page.content)
+      ssg.add_static_route(acc, config.paths.page(page.page), page.content)
     })
 
   site
   |> ssg.build()
-  |> result.map_error(WriteError)
+  |> result.map_error(fn(err) { WriteError(string.inspect(err)) })
 }