36 lines
946 B
TypeScript
36 lines
946 B
TypeScript
/**
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* 滚动情报文本处理：转为简体中文，过滤非中文内容
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*/
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import { Converter } from 'opencc-js/t2cn'
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const t2s = Converter({ from: 'twp', to: 'cn' })
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/** 简体中文字符范围 */
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const ZH_REGEX = /[\u4e00-\u9fff]/g
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/** 文本中中文占比是否达标（至少30%） */
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export function isMostlyChinese(text: string): boolean {
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if (!text?.trim()) return false
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const zh = text.match(ZH_REGEX)
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const zhCount = zh ? zh.length : 0
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return zhCount / text.length >= 0.3
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}
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/** 繁体转简体 */
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export function toSimplifiedChinese(text: string): string {
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if (!text?.trim()) return text
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try {
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return t2s(text)
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} catch {
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return text
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}
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}
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/** 处理滚动情报项：转为简体，非中文为主则过滤 */
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export function processTickerText(text: string): string | null {
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const t = (text || '').trim()
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if (!t) return null
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if (!isMostlyChinese(t)) return null
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return toSimplifiedChinese(t)
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}
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