Correctly label non-throwing functions

Remove throws from Element constructor

WebsiteGenerator/Content/Element.swift

@@ -141,7 +141,7 @@ struct Element {
      - Parameter folder: The root folder of the site content.
      - Note: Uses global objects.
      */
-    init?(atRoot folder: URL) throws {
+    init?(atRoot folder: URL) {
         self.inputFolder = folder
         self.path = ""
 
@@ -175,10 +175,10 @@ struct Element {
         }
 
         files.add(page: path, id: id)
-        try self.readElements(in: folder, source: nil)
+        self.readElements(in: folder, source: nil)
     }
 
-    mutating func readElements(in folder: URL, source: String?) throws {
+    mutating func readElements(in folder: URL, source: String?) {
         let subFolders: [URL]
         do {
             subFolders = try FileManager.default
@@ -188,13 +188,13 @@ struct Element {
             log.add(error: "Failed to read subfolders", source: source ?? "root", error: error)
             return
         }
-        self.elements = try subFolders.compactMap { subFolder in
+        self.elements = subFolders.compactMap { subFolder in
             let s = (source.unwrapped { $0 + "/" } ?? "") + subFolder.lastPathComponent
-            return try Element(parent: self, folder: subFolder, path: s)
+            return Element(parent: self, folder: subFolder, path: s)
         }
     }
 
-    init?(parent: Element, folder: URL, path: String) throws {
+    init?(parent: Element, folder: URL, path: String) {
         self.inputFolder = folder
         self.path = path
 
@@ -252,7 +252,7 @@ struct Element {
         // All properties initialized
 
         files.add(page: path, id: id)
-        try self.readElements(in: folder, source: path)
+        self.readElements(in: folder, source: path)
     }
 }
 

WebsiteGenerator/Generators/SiteGenerator.swift

@@ -9,17 +9,17 @@ struct SiteGenerator {
         self.templates = try TemplateFactory(templateFolder: templatesFolder)
     }
 
-    func generate(site: Element) throws {
+    func generate(site: Element) {
         site.requiredFiles.forEach(files.require)
         site.externalFiles.forEach(files.exclude)
-        try site.languages.forEach {
+        site.languages.forEach {
-            try generate(site: site, metadata: $0)
+            generate(site: site, metadata: $0)
         }
     }
 
-    private func generate(site: Element, metadata: Element.LocalizedMetadata) throws {
+    private func generate(site: Element, metadata: Element.LocalizedMetadata) {
         let language = metadata.language
-        let template = try LocalizedSiteTemplate(
+        let template = LocalizedSiteTemplate(
             factory: templates,
             language: language,
             site: site)

WebsiteGenerator/Templates/Filled/LocalizedSiteTemplate.swift

@@ -35,7 +35,7 @@ struct LocalizedSiteTemplate {
         factory.page
     }
 
-    init(factory: TemplateFactory, language: String, site: Element) throws {
+    init(factory: TemplateFactory, language: String, site: Element) {
         self.author = site.author
         self.factory = factory
 
@@ -61,7 +61,7 @@ struct LocalizedSiteTemplate {
                 url: $0.path + Element.htmlPagePathAddition(for: language))
         }
 
-        self.topBar = try .init(
+        self.topBar = .init(
             factory: factory,
             language: language,
             sections: sections,

WebsiteGenerator/Templates/Filled/PrefilledTopBarTemplate.swift

@@ -10,7 +10,7 @@ struct PrefilledTopBarTemplate {
 
     private let factory: TemplateFactory
 
-    init(factory: TemplateFactory, language: String, sections: [SectionInfo], topBarWebsiteTitle: String) throws {
+    init(factory: TemplateFactory, language: String, sections: [SectionInfo], topBarWebsiteTitle: String) {
         self.factory = factory
         self.language = language
         self.sections = sections

WebsiteGenerator/main.swift

@@ -12,13 +12,13 @@ let files = FileSystem(
     in: configuration.contentDirectory,
     to: configuration.outputDirectory)
 
-do {
+guard let siteData = Element(atRoot: configuration.contentDirectory) else {
-    guard let siteData = try Element(atRoot: configuration.contentDirectory) else {
+    exit(0)
-        exit(0)
+}
-    }
 
+do {
     let siteGenerator = try SiteGenerator()
-    try siteGenerator.generate(site: siteData)
+    siteGenerator.generate(site: siteData)
 } catch {
     print(error)
     exit(0)