api: move url extraction to url module

src/modules/api.js

@@ -1,32 +1,17 @@
-import { services } from "./config.js";
-
 import { apiJSON } from "./sub/utils.js";
 import { errorUnsupported } from "./sub/errors.js";
 import loc from "../localization/manager.js";
 import match from "./processing/match.js";
-import { getHostIfValid } from "./processing/url.js";
+import { extract } from "./processing/url.js";
 
 export async function getJSON(url, lang, obj) {
     try {
-        const host = getHostIfValid(url);
-
-        if (!host || !services[host].enabled) {
+        const parsed = extract(url);
+        if (parsed === null) {
             return apiJSON(0, { t: errorUnsupported(lang) });
         }
 
-        let patternMatch;
-        for (const pattern of services[host].patterns) {
-            patternMatch = pattern.match(
-                url.pathname.substring(1) + url.search
-            );
-            if (patternMatch) break;
-        }
-
-        if (!patternMatch) {
-            return apiJSON(0, { t: errorUnsupported(lang) });
-        }
-
-        return await match(host, patternMatch, url, lang, obj)
+        return await match(parsed.host, parsed.patternMatch, url, lang, obj)
     } catch (e) {
         return apiJSON(0, { t: loc(lang, 'ErrorSomethingWentWrong') })
     }

src/modules/processing/url.js

@@ -125,3 +125,29 @@ export function getHostIfValid(url) {
 
     return host.sld;
 }
+
+
+export function extract(url) {
+    const host = getHostIfValid(url);
+
+    if (!host || !services[host].enabled) {
+        return null;
+    }
+
+    let patternMatch;
+    for (const pattern of services[host].patterns) {
+        patternMatch = pattern.match(
+            url.pathname.substring(1) + url.search
+        );
+
+        if (patternMatch) {
+            break;
+        }
+    }
+
+    if (!patternMatch) {
+        return null;
+    }
+
+    return { host, patternMatch };
+}