feat: support aliyun serverless service

lib/gateway/index.ts

@@ -0,0 +1,45 @@
+import path from 'path';
+import { loadConfig } from '../utils';
+import { Server } from './server';
+let server;
+
+export function initializer(context, callback): void {
+  const cwd = process.cwd();
+  const configFile = path.join(cwd, '/surgio.conf.js');
+  const config = loadConfig(cwd, configFile);
+
+  server = new Server(config, context);
+
+  server.init()
+    .then(() => {
+      callback(null, '');
+    })
+    .catch(err => {
+      callback(err, '');
+    });
+}
+
+export function handler(request, response): void {
+  const { url } = request;
+  const artifactName = path.basename(url);
+
+  if (!artifactName) {
+    server.notFound(response);
+    return;
+  }
+
+  server.getArtifact(artifactName)
+    .then(result => {
+      if (result) {
+        response.setStatusCode(200);
+        response.setHeader('content-type', 'text/plain; charset=utf-8');
+        response.setHeader('cache-control', 'private, no-cache, no-store');
+        response.send(result);
+      } else {
+        server.notFound(response);
+      }
+    })
+    .catch(err => {
+      server.errorHandler(err, response);
+    });
+}

lib/gateway/server.ts

@@ -0,0 +1,51 @@
+import { ArtifactConfig, CommandConfig, RemoteSnippet } from '../types';
+import { loadRemoteSnippetList } from '../utils';
+import { generate } from '../generate';
+
+export class Server {
+  public remoteSnippetList: ReadonlyArray<RemoteSnippet>;
+  public artifactList: ReadonlyArray<ArtifactConfig>;
+  private readonly config: CommandConfig;
+  private readonly context: Record<any, any>;
+
+  constructor(config: CommandConfig, context: Record<any, any>) {
+    this.config = config;
+    this.context = context;
+  }
+
+  public async init(): Promise<void> {
+    const config = this.config;
+    const remoteSnippetsConfig = config.remoteSnippets || [];
+
+    this.artifactList = config.artifacts;
+    this.remoteSnippetList = await loadRemoteSnippetList(remoteSnippetsConfig);
+  }
+
+  public async getArtifact(artifactName: string): Promise<string> {
+    const target = this.artifactList.filter(item => item.name === artifactName);
+
+    if (!target.length) {
+      return undefined;
+    }
+
+    return await generate(this.config, target[0], this.remoteSnippetList);
+  }
+
+  public errorHandler(response: any, err: Error): void {
+    response.setStatusCode(500);
+    response.setHeader('content-type', 'text/html; charset=UTF-8');
+    response.send(
+      '<h1>Server Error</h1>' +
+      `<h2>${err.name}: ${err.message}</h2>` +
+      `<pre>${err.stack}</pre>`
+    );
+  }
+
+  public notFound(response: any): void {
+    response.setStatusCode(404);
+    response.setHeader('content-type', 'text/html; charset=UTF-8');
+    response.send(
+      '<h1>Not Found</h1>'
+    );
+  }
+}

yarn.lock

@@ -3649,11 +3649,6 @@ cosmiconfig@^5.0.0, cosmiconfig@^5.2.1:
     js-yaml "^3.13.1"
     parse-json "^4.0.0"
 
-country-code-emoji@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/country-code-emoji/-/country-code-emoji-1.0.0.tgz#7c77791839c9e9921beec08ef080caa7cfb8b40c"
-  integrity sha512-fBM5A49oZkOxOVb0bx7q7Hanlfh8e3z/r6/ZnFhbL57JXGIgWPC2HYrjXEyiGML7OFftDV/WfAlJdDkoAbj1Rg==
-
 cp-file@^6.2.0:
   version "6.2.0"
   resolved "https://registry.yarnpkg.com/cp-file/-/cp-file-6.2.0.tgz#40d5ea4a1def2a9acdd07ba5c0b0246ef73dc10d"
@@ -9877,7 +9872,7 @@ proxy-addr@~2.0.5:
     forwarded "~0.1.2"
     ipaddr.js "1.9.0"
 
-proxy-agent@*, proxy-agent@^3.1.0:
+proxy-agent@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/proxy-agent/-/proxy-agent-3.1.0.tgz#3cf86ee911c94874de4359f37efd9de25157c113"
   integrity sha512-IkbZL4ClW3wwBL/ABFD2zJ8iP84CY0uKMvBPk/OceQe/cEjrxzN1pMHsLwhbzUoRhG9QbSxYC+Z7LBkTiBNvrA==