47 lines
1.1 KiB
TypeScript
47 lines
1.1 KiB
TypeScript
/**
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* Polyfills for compatibility
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* 提供兼容性支持的 polyfill 函数
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*/
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/**
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* structuredClone polyfill for environments that don't support it
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* 为不支持 structuredClone 的环境提供兼容实现
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*/
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export function initPolyfills(): void {
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// structuredClone polyfill
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if (typeof (globalThis as any).structuredClone === "undefined") {
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(globalThis as any).structuredClone = function (obj: any): any {
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if (obj === null || typeof obj !== "object") {
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return obj;
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}
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if (obj instanceof Date) {
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return new Date(obj.getTime());
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}
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if (Array.isArray(obj)) {
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return obj.map((item: any) =>
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(globalThis as any).structuredClone(item)
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);
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}
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if (typeof obj === "object") {
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const cloned: any = {};
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for (const key in obj) {
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if (obj.hasOwnProperty(key)) {
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cloned[key] = (globalThis as any).structuredClone(obj[key]);
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}
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}
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return cloned;
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}
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return obj;
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};
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//console.log('[Polyfill] structuredClone polyfill loaded');
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}
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}
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// 自动初始化
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initPolyfills();
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