48 lines
1.1 KiB
JavaScript
48 lines
1.1 KiB
JavaScript
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/*!
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* time-stamp <https://github.com/jonschlinkert/time-stamp>
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*
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* Copyright (c) 2015, Jon Schlinkert.
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* Licensed under the MIT License.
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*/
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'use strict';
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/**
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* Parse the given pattern and return a formatted
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* timestamp.
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*
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* @param {String} `pattern` Date pattern.
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* @param {Date} `date` Date object.
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* @return {String}
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*/
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module.exports = function timestamp(pattern, date) {
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if (typeof pattern !== 'string') {
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date = pattern;
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pattern = 'YYYY:MM:DD';
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}
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date = date || new Date();
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return pattern.replace(/([YMDHms]{2,4})(:\/)?/g, function(_, key, sep) {
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var increment = method(key);
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if (!increment) return _;
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sep = sep || '';
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var res = '00' + String(date[increment[0]]() + (increment[2] || 0));
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return res.slice(-increment[1]) + sep;
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});
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};
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function method(key) {
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return ({
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YYYY: ['getFullYear', 4],
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YY: ['getFullYear', 2],
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// getMonth is zero-based, thus the extra increment field
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MM: ['getMonth', 2, 1],
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DD: ['getDate', 2],
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HH: ['getHours', 2],
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mm: ['getMinutes', 2],
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ss: ['getSeconds', 2],
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ms: ['getMilliseconds', 3]
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})[key];
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}
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