32 lines
937 B
TypeScript
32 lines
937 B
TypeScript
export function trimTopic(topic: string) {
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const s = topic.split("").slice(0, 20);
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let lastChar = s.at(-1); // 获取 s 的最后一个字符
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let pattern = /[，。！？、]/; // 定义匹配中文标点符号的正则表达式
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while (lastChar && pattern.test(lastChar!)) {
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s.pop();
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lastChar = s.at(-1);
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}
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return s.join("");
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}
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export function copyToClipboard(text: string) {
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navigator.clipboard.writeText(text).then(res => {
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alert('复制成功')
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}).catch(err => {
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alert('复制失败，请赋予剪切板权限')
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})
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}
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export function downloadAs(text: string, filename: string) {
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const element = document.createElement('a');
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element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
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element.setAttribute('download', filename);
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element.style.display = 'none';
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document.body.appendChild(element);
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element.click();
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document.body.removeChild(element);
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} |