1

utils/sharePath.js

@@ -97,6 +97,41 @@ export function getEnterShareTarget(options) {
 	return resolveHomeShareTarget(options && options.query)
 }
 
+// 同一次分享进入只跳转一次。小程序切回前台、关闭图片预览都会再次触发 onShow，
+// 且 App.onShow 仍可能带上最初的分享参数。
+const handledShareTargets = Object.create(null)
+
+export function stageShareEnter(options) {
+	const targetPath = resolveMiniCodeSceneTarget(options && options.query && options.query.scene) || getEnterShareTarget(options)
+	if (!targetPath) return { targetPath: '', alreadyHandled: false }
+	if (handledShareTargets[targetPath]) return { targetPath: '', alreadyHandled: true }
+	return { targetPath: targetPath, alreadyHandled: false }
+}
+
+export function isShareTargetHandled(targetPath) {
+	return !!(targetPath && handledShareTargets[targetPath])
+}
+
+export function completeShareEnter(targetPath) {
+	if (targetPath) handledShareTargets[targetPath] = true
+}
+
+export function reopenShareEnter(targetPath) {
+	if (targetPath) delete handledShareTargets[targetPath]
+}
+
+let suppressShareRedirectOnce = false
+
+export function suppressNextShareRedirect() {
+	suppressShareRedirectOnce = true
+}
+
+export function consumeShareRedirectSuppression() {
+	if (!suppressShareRedirectOnce) return false
+	suppressShareRedirectOnce = false
+	return true
+}
+
 export function getCurrentEnterShareTarget() {
 	let options = null
 	try {