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date.ts
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date.ts
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import strftime from '../../util/strftime'
import { isString, isNumber } from '../../util/underscore'
import { FilterImpl } from '../../template/filter/filter-impl'
import { TimezoneDate } from '../../util/timezone-date'
export function date (this: FilterImpl, v: string | Date, arg: string) {
const opts = this.context.opts
let date: Date
if (v === 'now' || v === 'today') {
date = new Date()
} else if (isNumber(v)) {
date = new Date(v * 1000)
} else if (isString(v)) {
if (/^\d+$/.test(v)) {
date = new Date(+v * 1000)
} else if (opts.preserveTimezones) {
date = TimezoneDate.createDateFixedToTimezone(v)
} else {
date = new Date(v)
}
} else {
date = v
}
if (!isValidDate(date)) return v
if (opts.hasOwnProperty('timezoneOffset')) {
date = new TimezoneDate(date, opts.timezoneOffset!)
}
return strftime(date, arg)
}
function isValidDate (date: any): date is Date {
return date instanceof Date && !isNaN(date.getTime())
}