58 lines
1.7 KiB
JavaScript
58 lines
1.7 KiB
JavaScript
/**
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* 结果页门禁：非分享落地且资料未齐（手机+头像+昵称）时展示约 30% 预览
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*/
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const { needsResultProfileGate } = require('./phoneAuth.js')
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/** @param {WechatMiniprogram.Page.TrivialInstance} page */
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function setProfileGateOnPage(page) {
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const fromShare = !!(page.data && page.data.fromShare)
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const gate = needsResultProfileGate(fromShare)
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page.setData({ profileGate: gate })
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}
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/**
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* 截取约 ratio 比例的纯文本（最少 minChars，尾部省略号）
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* @param {string} str
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* @param {number} ratio 0~1
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* @param {number} minChars
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*/
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function slicePreviewText(str, ratio, minChars) {
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const s = (str && String(str).trim()) || ''
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const r = typeof ratio === 'number' && ratio > 0 && ratio < 1 ? ratio : 0.3
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const minC = minChars != null ? minChars : 36
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if (!s) return ''
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const n = Math.max(minC, Math.floor(s.length * r))
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return s.length <= n ? s : s.slice(0, n) + '…'
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}
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/**
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* @param {string[]} list
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* @param {number} ratio
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*/
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function slicePreviewList(list, ratio) {
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const arr = Array.isArray(list) ? list : []
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const r = typeof ratio === 'number' && ratio > 0 && ratio < 1 ? ratio : 0.3
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if (!arr.length) return []
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const take = Math.max(1, Math.ceil(arr.length * r))
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return arr.slice(0, take)
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}
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function openTimelineShareHint() {
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try {
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wx.showShareMenu({ withShareTicket: true, menus: ['shareAppMessage', 'shareTimeline'] })
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} catch (e) {}
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wx.showModal({
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title: '分享到朋友圈',
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content: '已为你打开分享能力：请先点右上角「···」，选择「分享到朋友圈」。好友点链接即可测试。',
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showCancel: false,
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confirmText: '知道了'
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})
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}
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module.exports = {
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setProfileGateOnPage,
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slicePreviewText,
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slicePreviewList,
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openTimelineShareHint
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}
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