Finish ncm qmc flac mp3

Finish UI
Add loading screen
Change PWA Config
Remove useless file
Load Element-UI on Demand
Fix deploy on sub-folder

src/plugins/raw.js

@@ -0,0 +1,51 @@
+const jsmediatags = require("jsmediatags");
+export {Decrypt}
+
+const audio_mime_type = {
+    mp3: "audio/mpeg",
+    flac: "audio/flac"
+};
+
+async function Decrypt(file) {
+    let tag = await new Promise(resolve => {
+        new jsmediatags.Reader(file).read({
+            onSuccess: resolve,
+            onError: () => {
+                resolve({tags: {}})
+            }
+        });
+    });
+    let pic_url = "";
+    if (tag.tags.picture !== undefined) {
+        let pic = new Blob([new Uint8Array(tag.tags.picture.data)], {type: tag.tags.picture.format});
+        pic_url = URL.createObjectURL(pic);
+    }
+
+    let file_url = URL.createObjectURL(file);
+
+
+    let filename_no_ext = file.name.substring(0, file.name.lastIndexOf("."));
+    let filename_array = filename_no_ext.split("-");
+    let filename_ext = file.name.substring(file.name.lastIndexOf(".") + 1, file.name.length).toLowerCase();
+    const mime = audio_mime_type[filename_ext];
+    let title = tag.tags.title;
+    let artist = tag.tags.artist;
+
+    if (filename_array.length > 1) {
+        if (artist === undefined) artist = filename_array[0].trim();
+        if (title === undefined) title = filename_array[1].trim();
+    } else if (filename_array.length === 1) {
+        if (title === undefined) title = filename_array[0].trim();
+    }
+
+    const filename = artist + " - " + title + "." + filename_ext;
+    return {
+        filename: filename,
+        title: title,
+        artist: artist,
+        album: tag.tags.album,
+        picture: pic_url,
+        file: file_url,
+        mime: mime
+    }
+}