Load redirects from content dir (#689)

* Load redirects from content dir

* Use NODE_ENV

Author: RubenSandwich

app/api/content/[productSlug]/redirects/route.ts

@@ -39,7 +39,9 @@ export async function GET(request: Request, { params }: { params: GetParams }) {
 		'redirects.jsonc',
 	]
 
-	const readFileResult = await findFileWithMetadata(filePath, versionMetadata)
+	const readFileResult = await findFileWithMetadata(filePath, versionMetadata, {
+		loadFromContentDir: process.env.NODE_ENV === 'development',
+	})
 	if (!readFileResult.ok) {
 		return new Response('Not found', { status: 404 })
 	}

app/utils/file.ts

@@ -5,6 +5,7 @@
 
 import grayMatter from 'gray-matter'
 import { parse as jsoncParse } from 'jsonc-parser'
+import { readFile } from 'fs/promises'
 
 import { Err, Ok, Result } from './result'
 import type { ProductVersionMetadata } from './contentVersions'
@@ -27,13 +28,22 @@ const headers = process.env.VERCEL_URL
 export const findFileWithMetadata = async (
 	filePath: string[],
 	versionMetaData: ProductVersionMetadata,
+	options: {
+		loadFromContentDir?: boolean
+	} = { loadFromContentDir: false },
 ) => {
 	const newFilePath = ifNeededAddReleaseStageToPath(
 		filePath,
 		versionMetaData.releaseStage,
 	)
 
 	try {
+		if (options.loadFromContentDir) {
+			const filePathString = joinFilePath(newFilePath)
+			const fileContent = await readFile(filePathString, 'utf-8')
+			return Ok(fileContent)
+		}
+
 		const res = await fetch(`${SELF_URL}/${newFilePath.join('/')}`, {
 			cache: 'no-cache',
 			headers,
@@ -47,7 +57,9 @@ export const findFileWithMetadata = async (
 
 		return Ok(text)
 	} catch {
-		return Err(`Failed to read file at path: ${newFilePath.join('/')}`)
+		return Err(
+			`Failed to read file at path: ${newFilePath.join('/')}, with options: ${JSON.stringify(options, null, 2)}`,
+		)
 	}
 }