kdletters
0ad56a878f
为 Expo WebView 注入当前文档 history 状态追踪脚本 让移动壳合成 H5 路由栈和 WebView 原生返回状态 让 Android 返回键优先回退 H5 当前文档路由 补充移动壳解析测试、注入脚本测试和配置门禁 更新原生壳方案文档和共享决策
32 lines
665 B
TypeScript
32 lines
665 B
TypeScript
export type MobileWebViewHistoryStateMessage = {
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canGoBack: boolean;
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};
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export function parseMobileWebViewHistoryStateMessage(
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rawMessage: string,
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): MobileWebViewHistoryStateMessage | null {
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try {
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const value = JSON.parse(rawMessage) as unknown;
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if (!value || typeof value !== 'object') {
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return null;
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}
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const candidate = value as {
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type?: unknown;
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canGoBack?: unknown;
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};
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if (
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candidate.type !== 'genarrative.mobile.historyState' ||
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typeof candidate.canGoBack !== 'boolean'
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) {
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return null;
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}
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return {
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canGoBack: candidate.canGoBack,
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};
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} catch {
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return null;
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}
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}
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