15 lines
468 B
JavaScript
15 lines
468 B
JavaScript
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/**
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* 小程序 <image src> 合法判断：避免 undefined 字符串、相对脏值触发「illegal src」
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*/
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function isSafeImageSrc(u) {
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if (u == null) return false
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const s = String(u).trim()
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if (!s || s === 'undefined' || s === 'null') return false
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if (/^https?:\/\//i.test(s)) return true
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if (s.startsWith('wxfile://') || s.startsWith('cloud://')) return true
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if (s.startsWith('/')) return true
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return false
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}
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module.exports = { isSafeImageSrc }
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