feat: fix default templates fetch and allow local override

cli/_templates_loader.ts

@@ -1,7 +1,7 @@
-import { fromFileUrl } from '@std/path'
 import type { JSX } from 'preact'
 import { EnumType } from '@cliffy/command'
 import type { Template } from '../types.ts'
+import * as defaultTemplates from '../templates/mod.ts'
 
 export const templates: Map<
 	string,
@@ -11,25 +11,36 @@ export const templates: Map<
 	>
 > = new Map()
 
-const templatesDirUrl = import.meta.resolve('../templates')
-const templatesDir = fromFileUrl(templatesDirUrl)
+//Load default templates
+for (const template of Object.values(defaultTemplates)) {
+	//@ts-expect-error types are checked at runtime later
+	templates.set(template.name, template)
+}
+
+//Load local templates
+const basePath = '/etc/cohabit/mailer'
 
-//Load templates dynamicaly
 for await (
-	const template of Deno.readDir(templatesDir)
+	const template of Deno.readDir(basePath)
 ) {
-	if (
-		template.isFile &&
-		template.name.endsWith('.tsx') &&
-		!template.name.startsWith('_')
-	) {
-		const modPath = new URL(
-			template.name,
-			`${import.meta.resolve('../templates')}/`,
+	if (!template.isFile) continue
+	if (!template.name.endsWith('.tsx')) continue
+	if (template.name.startsWith('_')) continue
+
+	const mod = await import(`${basePath}/${template.name}`).catch(checkFsErrors)
+	templates.set(mod.default.name, mod.default)
+}
+
+function checkFsErrors(error: Error) {
+	if (error instanceof Deno.errors.PermissionDenied) {
+		throw new Error(
+			'unable to load config file due to read access permissions issues',
+			{
+				cause: error,
+			},
 		)
-		const mod = await import(modPath.href)
-		templates.set(mod.default.name, mod.default)
 	}
+	throw error
 }
 
 export const templateType = new EnumType([...templates.keys()])

deno.json

@@ -19,7 +19,7 @@
 	"imports": {
 		"@cliffy/command": "jsr:@cliffy/command@^1.0.0-rc.5",
 		"@cliffy/prompt": "jsr:@cliffy/prompt@^1.0.0-rc.5",
-		"@std/path": "jsr:@std/path@^0.221.0",
+		"@std/json": "jsr:@std/json@^1.0.1",
 		"@types/nodemailer": "npm:@types/nodemailer@^6.4.15",
 		"jsx-email": "npm:jsx-email@^1.10.12",
 		"nodemailer": "npm:nodemailer@^6.9.13",