forked from sheetjs/sheetjs
Fixes #2942.
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6
xlsx.js
generated
6
xlsx.js
generated
@ -3269,10 +3269,12 @@ function evert_arr(obj) {
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return o;
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}
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var basedate = new Date(1899, 11, 30, 0, 0, 0); // 2209161600000
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var basedate = new Date(1899, 11, 31, 0, 0, 0); // 2209075200000
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var base1904 = new Date(1900, 2, 1, 0, 0, 0);
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function datenum(v, date1904) {
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var epoch = v.getTime();
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if(date1904) epoch -= 1462*24*60*60*1000;
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if(date1904) epoch -= 1461*24*60*60*1000;
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else if(v >= base1904) epoch += 24*60*60*1000;
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var dnthresh = basedate.getTime() + (v.getTimezoneOffset() - basedate.getTimezoneOffset()) * 60000;
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return (epoch - dnthresh) / (24 * 60 * 60 * 1000);
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}
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