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24 lines
652 B
24 lines
652 B
var startOfDay = require('../start_of_day/index.js') |
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/** |
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* @category Day Helpers |
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* @summary Is the given date yesterday? |
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* |
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* @description |
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* Is the given date yesterday? |
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* |
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* @param {Date|String|Number} date - the date to check |
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* @returns {Boolean} the date is yesterday |
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* |
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* @example |
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* // If today is 6 October 2014, is 5 October 14:00:00 yesterday? |
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* var result = isYesterday(new Date(2014, 9, 5, 14, 0)) |
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* //=> true |
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*/ |
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function isYesterday (dirtyDate) { |
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var yesterday = new Date() |
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yesterday.setDate(yesterday.getDate() - 1) |
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return startOfDay(dirtyDate).getTime() === startOfDay(yesterday).getTime() |
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} |
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module.exports = isYesterday
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