27 lines
923 B
TypeScript
27 lines
923 B
TypeScript
export function normalizeEmojiCaption(value: unknown): string | null {
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const caption = String(value || '').trim()
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if (!caption) return null
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return caption
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}
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export function formatEmojiSemanticText(caption?: string | null): string {
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const normalizedCaption = normalizeEmojiCaption(caption)
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if (!normalizedCaption) return '[表情包]'
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return `[表情包：${normalizedCaption}]`
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}
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function normalizeEmojiMd5(value: unknown): string | undefined {
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const md5 = String(value || '').trim().toLowerCase()
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if (!md5) return undefined
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if (/^[a-f0-9]{32}$/.test(md5)) return md5
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return undefined
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}
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export function extractLooseHexMd5(content: string): string | undefined {
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if (!content) return undefined
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const keyedMatch =
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/(?:emoji|sticker|md5)[^a-fA-F0-9]{0,32}([a-fA-F0-9]{32})/i.exec(content) ||
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/([a-fA-F0-9]{32})/i.exec(content)
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return normalizeEmojiMd5(keyedMatch?.[1] || keyedMatch?.[0])
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}
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