chore: move webhook function to new module

lib/handler.ts

@@ -1,9 +1,9 @@
-import { http, log } from "../deps.ts";
-import config from "./config.ts";
+import { http } from "../deps.ts";
 import { verify } from "./crypto.ts";
 import filterWebhook from "./filter.ts";
 import { UrlConfig } from "./types.d.ts";
 import * as util from "./util.ts";
+import { sendWebhook } from "./webhook.ts";
 
 export default async function handle(req: Request): Promise<Response> {
     if (req.method !== "POST") {
@@ -58,42 +58,3 @@ function getUrlConfig(params: URLSearchParams): UrlConfig {
     }
     return config;
 }
-
-async function sendWebhook(
-    id: string,
-    token: string,
-    headers: HeadersInit,
-    body: string,
-): Promise<Response> {
-    const url = `https://discord.com/api/webhooks/${id}/${token}/github?wait=1`;
-
-    let res: Response;
-    let retries = 0;
-    do {
-        const req = new Request(url, {
-            method: "POST",
-            headers: headers,
-            body: body,
-        });
-
-        log.info(`sending webhook request to ${url}`);
-        res = await fetch(req);
-
-        // return response if everything's fine
-        if (res.status !== 429) break;
-
-        const reset = res.headers.get("retry-after");
-        // should always exist, even for cf bans, but checking anyway
-        if (reset === null) break;
-
-        const resetms = parseFloat(reset);
-        // if we'd wait longer than the configured limit, just return the 429
-        if (resetms > config.maxWebhookRetryMs) break;
-
-        // wait and try again
-        log.warning(`retrying after ${resetms}ms`);
-        await util.sleep(resetms);
-        retries++;
-    } while (retries <= config.maxWebhookRetries);
-    return res;
-}

lib/webhook.ts

@@ -0,0 +1,42 @@
+import { log } from "../deps.ts";
+import config from "./config.ts";
+import * as util from "./util.ts";
+
+export async function sendWebhook(
+    id: string,
+    token: string,
+    headers: HeadersInit,
+    body: string,
+): Promise<Response> {
+    const url = `https://discord.com/api/webhooks/${id}/${token}/github?wait=1`;
+
+    let res: Response;
+    let retries = 0;
+    do {
+        const req = new Request(url, {
+            method: "POST",
+            headers: headers,
+            body: body,
+        });
+
+        log.info(`sending webhook request to ${url}`);
+        res = await fetch(req);
+
+        // return response if everything's fine
+        if (res.status !== 429) break;
+
+        const reset = res.headers.get("retry-after");
+        // should always exist, even for cf bans, but checking anyway
+        if (reset === null) break;
+
+        const resetms = parseFloat(reset);
+        // if we'd wait longer than the configured limit, just return the 429
+        if (resetms > config.maxWebhookRetryMs) break;
+
+        // wait and try again
+        log.warning(`retrying after ${resetms}ms`);
+        await util.sleep(resetms);
+        retries++;
+    } while (retries <= config.maxWebhookRetries);
+    return res;
+}