1 files changed, 42 insertions, 0 deletions
diff --git a/frontend/src/backend.js b/frontend/src/backend.js
new file mode 100644
index 0000000..72ee9dd
--- /dev/null
+++ b/frontend/src/backend.js
@@ -0,0 +1,42 @@
+
+async function json(method, url, data, json, headers) {
+    const options = {
+        method: method,
+        body: json != null ? JSON.stringify(json) : data,
+        mode: "cors",
+        cache: "no-cache",
+        credentials: "same-origin",
+        headers: headers || {
+            "Content-Type": "application/json"
+        },
+        redirect: "follow",
+        referrerPolicy: "no-referrer",
+    };
+    const response = await fetch(url, options);
+    const result = {
+        statusCode: response.status,
+        status: `${response.status} ${response.statusText}`,
+        json: await response.json()
+    };
+
+    if (response.status >= 200 && response.status < 300) {
+        return result;
+    } else {
+        return Promise.reject(result);
+    }
+}
+
+const backend = {
+    get: (url = "", headers = null) =>
+        json("GET", url, null,null, headers),
+    post: (url = "", data = null, headers = null) =>
+        json("POST", url, null, data, headers),
+    put: (url = "", data = null, headers = null) =>
+        json("PUT", url, null, data, headers),
+    delete: (url = "", data = null, headers = null) =>
+        json("DELETE", url, null, data, headers),
+    postFile: (url = "", data = null, headers = {}) =>
+        json("POST", url, data, null, headers)
+};
+
+export default backend;