25 lines
421 B
JavaScript
25 lines
421 B
JavaScript
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'use strict';
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const DatePart = require('./datepart');
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class Meridiem extends DatePart {
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constructor(opts = {}) {
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super(opts);
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}
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up() {
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this.date.setHours((this.date.getHours() + 12) % 24);
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}
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down() {
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this.up();
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}
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toString() {
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let meridiem = this.date.getHours() > 12 ? 'pm' : 'am';
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return /\A/.test(this.token) ? meridiem.toUpperCase() : meridiem;
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}
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}
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module.exports = Meridiem;
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