get & post methods

src/util/Util.js

@@ -17,6 +17,67 @@ class Util {
         });
     }
 
+    static async #parseResponse (response) {
+        const { headers: rawHeaders, status } = response;
+        // Fetch returns heders as an interable for some reason
+        const headers = [ ...rawHeaders ].reduce((acc, [ key, val ]) => {
+            acc[key.toLowerCase()] = val;
+            return acc;
+        }, {});
+        const success = status >= 200 && status < 300;
+        const base = { success, status };
+
+        if (headers['content-type']?.includes('application/json')) {
+            const data = await response.json();
+            return { ...base, data };
+        }
+        return { ...base, message: await response.text() };
+    }
+
+    static #params (params) {
+        return `${Object.entries(params)
+            .filter(([ , v ]) => Boolean(v))
+            .map(([ k, v ]) => `${encodeURI(k)}=${encodeURI(v)}`)
+            .join('&')}`;
+    }
+
+    static async get (url, options = {}) { 
+
+        const { params, ...rest } = options;
+        if (params) url = Util.#params(url, params);
+        
+        const response = await fetch(url, { ...rest });
+        return Util.#parseResponse(response);
+
+    }
+
+    static async post (url, options = {}) {
+        
+        // eslint-disable-next-line prefer-const
+        let { params, body, ...rest } = options;
+        if (params) url += '?' + Util.#params(params);
+
+        if (rest.headers) {
+            const headers = Object.keys(rest.headers);
+            const contentType = headers.find((k) => k.toLowerCase() === 'content-type');
+            
+            if (contentType) {
+                const value = rest.headers[contentType].toLowerCase();
+
+                if (value === 'application/json' && typeof body !== 'string') {
+                    body = JSON.stringify(body); 
+                } else if (value === 'application/x-www-form-urlencoded') {
+                    if (body) body = Util.#params(body);
+                }
+
+            }
+        }
+
+        const response = await fetch(url, { ...rest, body, method: 'post' });
+        return Util.#parseResponse(response);
+
+    }
+
     static checkPermissions (perms, perm, level = 1) {
         
         if (!perms || typeof perms !== 'object') throw new Error('Missing perms object');