优化弹幕库

docs/assets/example/github.js

@@ -1,6 +1,6 @@
 // 使用 Github Issues Api 做弹幕接口
 // 接口每小时限制 5000 次请求，勿滥用
-var github = new ArtplayerToolGithub({
+var danmuku = new ArtplayerToolGithub({
     api: 'zhw2590582/github-issues-api-as-danmuku/issues/1',
     clientID: '749a95aad589f8849abe',
     clientSecret: '7bb6fa67ef6e525e5bd5fda46cd3925ecc4a3760',
@@ -19,8 +19,8 @@ var art = new Artplayer({
             click: () => {
                 if (window.location.href.includes('code=')) {
                     art.notice.show('正在登陆中，请稍等！！！');
-                } else if (!github.isLogin) {
-                    github.login();
+                } else if (!danmuku.isLogin) {
+                    danmuku.login();
                 } else {
                     var text = prompt('请输入：', '弹幕内容');
                     if (!text || !text.trim()) return;
@@ -28,26 +28,26 @@ var art = new Artplayer({
                         art.notice.show('弹幕字数不能大于20字！！！');
                         return;    
                     }
-                    if (github.remaining <= 10) {
+                    if (danmuku.remaining <= 10) {
                         art.notice.show('接口请求到达上限，请稍后再试！！！');
                         return;
                     }
                     art.notice.show('弹幕发送中...');
-                    github
+                    danmuku
                         .send({
                             text: text,
                             time: art.player.currentTime,
                             color: '#' + Math.floor(Math.random() * 0xffffff).toString(16),
                         })
                         .then(data => {
-                            art.notice.show(`发送弹幕成功: ${github.remaining} / ${github.limit}`);
+                            art.notice.show(`发送弹幕成功: ${danmuku.remaining} / ${danmuku.limit}`);
                             art.plugins.artplayerPluginDanmu.emit({
                                 ...data,
                                 time: art.player.currentTime,
                                 border: data.color,
                             });
                         }).catch(() => {
-                            art.notice.show(`发送弹幕失败: ${github.remaining} / ${github.limit}`);
+                            art.notice.show(`发送弹幕失败: ${danmuku.remaining} / ${danmuku.limit}`);
                         });
                 }
             },
@@ -55,7 +55,7 @@ var art = new Artplayer({
     ],
     plugins: [
         artplayerPluginDanmu({
-            danmus: () => github.cache(),
+            danmus: () => danmuku.load(),
             speed: 5,
             opacity: 1,
             color: '#fff',