42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
/**
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* 仅包装 Page，向页面 data 注入 staticUrl（供 wxml {{staticUrl}}）
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* 禁止包装 Component：会破坏 Vant 等第三方组件注册，表现为 wx://not-found / 白屏
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*/
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const env = require('../config/env.js')
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function mergeStaticData(options) {
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if (!options) options = {}
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const data = options.data || {}
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if (typeof data === 'function') {
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const orig = data
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options.data = function () {
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const d = orig.call(this) || {}
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if (d.staticUrl == null) d.staticUrl = env.static_url
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return d
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}
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} else {
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if (data.staticUrl == null) data.staticUrl = env.static_url
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options.data = data
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}
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return options
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}
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function install() {
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if (typeof Page !== 'function' || Page.__staticUrlPatched) return
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const rawPage = Page
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function PatchedPage(options) {
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return rawPage(mergeStaticData(options))
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}
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PatchedPage.__staticUrlPatched = true
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// 保留原生静态属性
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try {
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Object.keys(rawPage).forEach(function (k) {
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try { PatchedPage[k] = rawPage[k] } catch (e) { /* ignore */ }
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})
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} catch (e) { /* ignore */ }
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Page = PatchedPage
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}
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module.exports = { install, static_url: env.static_url }
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install()
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