41 lines
1.4 KiB
TypeScript
41 lines
1.4 KiB
TypeScript
const storageEntries = new Map<string, string>();
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function installStorageMock(target: Record<string, unknown>) {
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Object.defineProperty(target, "localStorage", {
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configurable: true,
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value: {
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getItem: (key: string) => storageEntries.get(key) ?? null,
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setItem: (key: string, value: string) => {
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storageEntries.set(key, String(value));
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},
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removeItem: (key: string) => {
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storageEntries.delete(key);
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},
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clear: () => {
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storageEntries.clear();
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},
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},
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});
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}
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if (
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typeof globalThis.localStorage?.getItem !== "function"
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|| typeof globalThis.localStorage?.setItem !== "function"
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|| typeof globalThis.localStorage?.removeItem !== "function"
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|| typeof globalThis.localStorage?.clear !== "function"
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) {
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installStorageMock(globalThis);
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}
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if (typeof window !== "undefined" && window.localStorage !== globalThis.localStorage) {
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installStorageMock(window as unknown as Record<string, unknown>);
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}
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// jsdom does not implement Element.prototype.scrollIntoView. Several surfaces
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// (e.g. IssueChatThread's auto-scroll-to-latest) call it during normal render,
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// so provide a no-op default. Tests that assert on scroll behaviour override
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// this on the prototype themselves and restore it afterwards.
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if (typeof Element !== "undefined" && typeof Element.prototype.scrollIntoView !== "function") {
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Element.prototype.scrollIntoView = function scrollIntoView() {};
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}
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