9 lines
434 B
JavaScript
9 lines
434 B
JavaScript
 
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// Test helper: freeze the wall clock for a child process. FAKE_NOW=<ISO date> (node -r this).
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const RealDate = Date;
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const fixed = new RealDate(process.env.FAKE_NOW).getTime();
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if (!Number.isFinite(fixed)) throw new Error('FAKE_NOW must be a valid ISO date');
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class FakeDate extends RealDate {
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constructor(...a) { if (a.length === 0) super(fixed); else super(...a); }
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static now() { return fixed; }
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}
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globalThis.Date = FakeDate;
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