47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
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// setup.js —— B1 归属，vitest 全局 setup（vitest.config.js setupFiles）。
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// 环境适配（jsdom 25 + Node ≥22 组合下 window.localStorage 为 undefined）：
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// - Node ≥22 自带实验性 globalThis.localStorage（未配 --localstorage-file 时为 undefined），会遮蔽 jsdom 实现
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// - jsdom 25 在较新 Node 上 window.localStorage 亦可能缺失
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// 统一策略：window.localStorage 缺失时注入内存实现，并将其同时暴露到 globalThis。
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class MemoryStorage {
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constructor() {
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this._m = new Map();
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}
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get length() {
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return this._m.size;
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}
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key(i) {
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return [...this._m.keys()][i] ?? null;
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}
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getItem(k) {
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const key = String(k);
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return this._m.has(key) ? this._m.get(key) : null;
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}
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setItem(k, v) {
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this._m.set(String(k), String(v));
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}
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removeItem(k) {
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this._m.delete(String(k));
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}
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clear() {
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this._m.clear();
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}
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}
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if (typeof window !== 'undefined') {
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let storage = window.localStorage;
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if (!storage) {
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storage = new MemoryStorage();
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try {
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Object.defineProperty(window, 'localStorage', { value: storage, configurable: true });
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} catch {
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window.localStorage = storage;
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}
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}
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try {
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Object.defineProperty(globalThis, 'localStorage', { value: storage, configurable: true });
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} catch {
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globalThis.localStorage = storage;
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}
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}
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