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13 lines
536 B
JavaScript
13 lines
536 B
JavaScript
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// Dates in zip file entries are stored as DosDateTime
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// Spec is here: https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-dosdatetimetofiletime
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module.exports = function parseDateTime(date, time) {
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const day = date & 0x1F;
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const month = date >> 5 & 0x0F;
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const year = (date >> 9 & 0x7F) + 1980;
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const seconds = time ? (time & 0x1F) * 2 : 0;
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const minutes = time ? (time >> 5) & 0x3F : 0;
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const hours = time ? (time >> 11): 0;
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return new Date(Date.UTC(year, month-1, day, hours, minutes, seconds));
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};
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