Adjust logic for two artifacts

.gitignore

@@ -114,3 +114,5 @@ dist
 .yarn/unplugged
 .yarn/build-state.yml
 .pnp.*
+
+.vercel

api/[arch].ts

@@ -0,0 +1,46 @@
+import {NowRequest, NowResponse} from '@now/node'
+import got from 'got';
+
+type Arch = 'arm64' | 'x64';
+
+interface Asset {
+ name: string
+ browser_download_url: string
+}
+
+export default async (req: NowRequest, res: NowResponse) => {
+ const {arch} = req.query as { arch: Arch };
+
+ if (arch !== 'arm64' && arch !== 'x64') {
+ return res.status(400).send(`Unrecognized arch "${arch}". Expected x64 or arm64.`);
+ }
+
+ const {body} = await got.get<{assets?: Asset[]}>('https://api.github.com/repos/wulkano/kap/releases/latest', {
+ responseType: 'json'
+ });
+
+ const assets = body.assets ?? [];
+
+ const dmgArtifact = arch === 'arm64' ? arm64Asset(assets) : x64Asset(assets);
+ const dmgLink = dmgArtifact?.browser_download_url;
+
+ if (dmgLink) {
+ res.writeHead(302, {
+ Location: dmgLink
+ });
+ res.end();
+ } else {
+ res.status(404);
+ res.send('Artifact not found');
+ }
+}
+
+function arm64Asset(assets: Asset[]) {
+ return assets.find(asset => asset.name.endsWith('arm64.dmg'));
+}
+
+function x64Asset(assets: Asset[]) {
+ return assets.find(asset => asset.name.endsWith('x64.dmg')) ??
+ // Compatibility with odler assets, when x64 was just named `Kap-x.x.x.dmg`
+ assets.find(asset => asset.name.endsWith('.dmg') && !asset.name.endsWith('arm64.dmg'))
+}

api/index.ts

@@ -1,21 +1,6 @@
 import {NowRequest, NowResponse} from '@now/node'
-import got from 'got';
 
-export default async (req: NowRequest, res: NowResponse) => {
- const {body} = await got.get<any>('https://api.github.com/repos/wulkano/kap/releases/latest', {
- responseType: 'json'
- });
-
- const dmgArtifact = (body.assets || []).find(asset => asset.name.includes('dmg'));
- const dmgLink = dmgArtifact && dmgArtifact.browser_download_url;
-
- if (dmgLink) {
- res.writeHead(302, {
- Location: dmgLink
- });
- res.end();
- } else {
- res.status(404);
- res.send('Artifact not found');
- }
-}
+export default (req: NowRequest, res: NowResponse) => {
+ res.setHeader('Cache-Control', 'public, max-age=31536000');
+ return res.status(410).send('Use /api/x64 or /api/arm64 instead');
+}

package.json

@@ -7,7 +7,7 @@
  "got": "^11.0.2"
  },
  "devDependencies": {
- "@now/node": "^1.5.1",
+ "@now/node": "^1.8.5",
  "@types/got": "^9.6.10",
  "@types/node": "^13.13.2",
  "typescript": "^3.8.3"