Files
Mycontent/miniprogram/utils/imageUrl.js
2026-04-02 19:20:19 +08:00

15 lines
468 B
JavaScript

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