Joey
24 lines
820 B
TypeScript
24 lines
820 B
TypeScript
// Background Service Worker - 唯一出网口（绕 CORS 取图）
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export default defineBackground(() => {
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console.log('Seller Helper background started');
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// 点击扩展图标 → 打开 Side Panel
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chrome.sidePanel.setPanelBehavior({ openPanelOnActionClick: true });
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// 代理图片 fetch（CORS 绕过）
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chrome.runtime.onMessage.addListener((msg, sender, sendResponse) => {
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if (msg.action === 'fetchImage') {
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fetchImageAsBlob(msg.url)
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.then(blob => sendResponse({ ok: true, blob }))
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.catch(err => sendResponse({ ok: false, error: err.message }));
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return true; // 保持异步通道
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}
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});
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});
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async function fetchImageAsBlob(url: string): Promise<Blob> {
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const res = await fetch(url);
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if (!res.ok) throw new Error(`HTTP ${res.status}`);
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return res.blob();
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}
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