@lakutata/core/src/plugins/Formatter.ts

Lakutata Framework Core

import {Plugin} from '../base/Plugin'
import momentTimezone from 'moment-timezone'
import {Configurable} from '../decorators/DependencyInjection'
import sortKeys from 'sort-keys'

declare module '../Core' {
	interface Application {
		Formatter: Formatter
	}
}

export class Formatter extends Plugin {

	protected get timezone(): string {
		return <string>process.env.TZ
	}

	/**
	 * 默认时间格式
	 * @type {string}
	 * @protected
	 */
	@Configurable()
	protected readonly dateFormat: string = 'YYYY-MM-DD HH:mm:ss'

	/**
	 * 格式化为秒时间戳
	 * @param {string | number | Date} inp
	 * @returns {number}
	 */
	public asTimestamp(inp: string | number | Date = new Date()): number {
		return momentTimezone.tz(inp, this.timezone).unix()
	}

	/**
	 * 格式化为毫秒时间戳
	 * @param {string | number | Date} inp
	 * @returns {number}
	 */
	public asMillisecondTimestamp(inp: string | number | Date = new Date()): number {
		return momentTimezone.tz(inp, this.timezone).valueOf()
	}

	/**
	 * 格式化为Date对象
	 * @param {string | number | Date} inp
	 * @returns {Date}
	 */
	public asDate(inp: string | number | Date): Date {
		return momentTimezone.tz(inp, this.timezone).toDate()
	}

	/**
	 * 格式化时间
	 * @param {Date | string | number} inp
	 * @param {string} format
	 * @returns {string}
	 */
	public asDateText(inp: Date | string | number = new Date(), format?: string): string {
		return momentTimezone.tz(inp, this.timezone).format(format ? format : this.dateFormat)
	}

	/**
	 * 百分比格式化
	 * @param {number} value
	 * @param {number} decimals
	 * @returns {string}
	 */
	public asPercent(value: number, decimals: number = 2): string {
		const val: number = +((value * 100).toFixed(decimals))
		return `${val}%`
	}

	/**
	 * 对象内容排序（Object或Array均可）
	 * @param {T} obj
	 * @param {{deep?: boolean, compare?: (left: string, right: string) => number}} options
	 * @returns {T}
	 */
	public sortObject<T = any>(obj: T, options?: { deep?: boolean; compare?: (left: string, right: string) => number }): T {
		return sortKeys(obj, options ? options : {deep: true})
	}
}