fix: Voice playback may cause playback issues

[shaohuzhang1]

fix: Voice playback may cause playback issues

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[shaohuzhang1]

Here's a comprehensive check of the code with suggestions:

1. Refactoring audioPlayerStatus: Removed because it wasn't being used.

2. Optimization in appendTextList:

   • Use functional syntax to slice arrays.
   • Remove unused variables (newTextList, _nextIndex).

   appendTextList(textList: Array<string>): void {
     this.textList.push(...textList);
   }

3. Simplify AudioManage Constructor:

   • Move default values directly into the constructor parameters.

   class AudioManage {
     textList = [];
     audioList = [];
     statusList = [];
     tryList = [];
     ttsType;
     root: HTMLDivElement;

• isEnd = false;

  constructor(public ttsType: string, public root: HTMLDivElement) {}
  }

4. **Optimize `fetchAndPlay` for Speech Synthesis**:
- Simplify error handling and ensure errors are caught properly.

```javascript
async fetchAndPlay(url: string): Promise<void> {
  try {
    const response = await fetch(url);

    if (!response.ok) {
      const errorMessage = await response.text();
      MsgError(errorMessage);
      this.statusList[index] = AudioStatus.ERROR;
      throw new Error(errorMessage);
    }

    const blob = new Blob([response.arrayBuffer()], { type: 'audio/mpeg' });
    const url = URL.createObjectURL(blob);

    const html = `
      <div style="height: 80px; background-color: #e0f7fa;">
        <iframe width="100%" height="80" src="${url}" frameborder="0"></iframe>
      </div>
    `;
    $(element).html(html);
    return `<source id="player-${key}-${index}" src="" ${style}></source>`;
  } catch (error) {
    console.error('Failed to load media:', error);
    this.statusList[this.activeIndex] = AudioStatus.ERROR;
    this.play(nextSource ? nextSource : this.nextSrcs[0]);
  }
}

5. Minor Code Style Enhancements:
   • Ensure consistent indentation and spacing around logical operators.

These optimizations improve readability and maintainability while minimizing unnecessary complexity.