91 lines
1.5 KiB
JavaScript
Executable File
91 lines
1.5 KiB
JavaScript
Executable File
'use strict';
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/**
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* Helpers.
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*/
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var s = 1000;
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var m = s * 60;
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var h = m * 60;
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var d = h * 24;
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var y = d * 365.25;
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/**
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* Parse or format the given `val`.
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*
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* @api public
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* @param {string|number} val
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* @return {string|number}
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*/
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module.exports = function (val) {
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if (typeof val === 'string') {
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return parse(val);
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}
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return format(val);
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};
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/**
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* Parse the given `str` and return milliseconds.
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*
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* @api private
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* @param {string} str
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* @return {number}
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*/
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function parse (str) {
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var match = (/^((?:\d+)?\.?\d+) *(ms|seconds?|s|minutes?|m|hours?|h|days?|d|years?|y)?$/i).exec(str);
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if (!match) {
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return;
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}
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var n = parseFloat(match[1]);
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var type = (match[2] || 'ms').toLowerCase();
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switch (type) {
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case 'years':
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case 'year':
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case 'y':
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return n * y;
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case 'days':
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case 'day':
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case 'd':
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return n * d;
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case 'hours':
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case 'hour':
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case 'h':
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return n * h;
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case 'minutes':
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case 'minute':
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case 'm':
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return n * m;
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case 'seconds':
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case 'second':
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case 's':
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return n * s;
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case 'ms':
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return n;
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default:
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// No default case
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}
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}
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/**
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* Format for `ms`.
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*
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* @api private
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* @param {number} ms
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* @return {string}
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*/
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function format (ms) {
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if (ms >= d) {
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return Math.round(ms / d) + 'd';
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}
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if (ms >= h) {
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return Math.round(ms / h) + 'h';
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}
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if (ms >= m) {
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return Math.round(ms / m) + 'm';
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}
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if (ms >= s) {
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return Math.round(ms / s) + 's';
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}
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return ms + 'ms';
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}
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