mirror of
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70 lines
3.0 KiB
JavaScript
70 lines
3.0 KiB
JavaScript
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const m = 60000, h = 60 * m, d = 24 * h, w = 7 * d, y = 365.25 * d;
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export default function(value, options) {
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try {
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if ('string' == typeof value && value.length > 0) return function(str) {
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if (str.length > 100) throw Error('Value exceeds the maximum length of 100 characters.');
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const match = /^(?<value>-?(?:\d+)?\.?\d+) *(?<type>milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(str), groups = match?.groups;
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if (!groups) return NaN;
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const n = parseFloat(groups.value), type = (groups.type || '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 'yrs':
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case 'yr':
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case 'y':
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return n * y;
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case 'weeks':
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case 'week':
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case 'w':
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return n * w;
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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 'hrs':
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case 'hr':
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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 'mins':
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case 'min':
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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 'secs':
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case 'sec':
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case 's':
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return 1000 * n;
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case 'milliseconds':
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case 'millisecond':
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case 'msecs':
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case 'msec':
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case 'ms':
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return n;
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default:
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throw Error(`The unit ${type} was matched, but no matching case exists.`);
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}
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}(value);
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if ('number' == typeof value && isFinite(value)) return options?.long ? function(ms) {
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const msAbs = Math.abs(ms);
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return msAbs >= d ? plural(ms, msAbs, d, 'day') : msAbs >= h ? plural(ms, msAbs, h, 'hour') : msAbs >= m ? plural(ms, msAbs, m, 'minute') : msAbs >= 1000 ? plural(ms, msAbs, 1000, 'second') : `${ms} ms`;
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}(value) : function(ms) {
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const msAbs = Math.abs(ms);
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return msAbs >= d ? `${Math.round(ms / d)}d` : msAbs >= h ? `${Math.round(ms / h)}h` : msAbs >= m ? `${Math.round(ms / m)}m` : msAbs >= 1000 ? `${Math.round(ms / 1000)}s` : `${ms}ms`;
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}(value);
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throw Error('Value is not a string or number.');
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} catch (error) {
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const message = function(value) {
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return 'object' == typeof value && null !== value && 'message' in value;
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}(error) ? `${error.message}. value=${JSON.stringify(value)}` : 'An unknown error has occurred.';
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throw Error(message);
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}
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};
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function plural(ms, msAbs, n, name) {
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return `${Math.round(ms / n)} ${name}${msAbs >= 1.5 * n ? 's' : ''}`;
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}
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