71 lines
2.0 KiB
TypeScript
71 lines
2.0 KiB
TypeScript
import type { VNodeTypes } from 'vue';
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import padStart from 'lodash-es/padStart';
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export type valueType = number | string;
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export type countdownValueType = valueType | string;
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export type Formatter =
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| false
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| 'number'
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| 'countdown'
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| (({ value, config }: { value: valueType; config?: FormatConfig }) => VNodeTypes);
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export interface FormatConfig {
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formatter?: Formatter;
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decimalSeparator?: string;
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groupSeparator?: string;
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precision?: number;
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prefixCls?: string;
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}
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export interface CountdownFormatConfig extends FormatConfig {
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format?: string;
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}
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// Countdown
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const timeUnits: [string, number][] = [
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['Y', 1000 * 60 * 60 * 24 * 365], // years
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['M', 1000 * 60 * 60 * 24 * 30], // months
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['D', 1000 * 60 * 60 * 24], // days
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['H', 1000 * 60 * 60], // hours
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['m', 1000 * 60], // minutes
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['s', 1000], // seconds
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['S', 1], // million seconds
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];
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export function formatTimeStr(duration: number, format: string) {
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let leftDuration: number = duration;
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const escapeRegex = /\[[^\]]*]/g;
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const keepList: string[] = (format.match(escapeRegex) || []).map(str => str.slice(1, -1));
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const templateText = format.replace(escapeRegex, '[]');
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const replacedText = timeUnits.reduce((current, [name, unit]) => {
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if (current.indexOf(name) !== -1) {
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const value = Math.floor(leftDuration / unit);
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leftDuration -= value * unit;
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return current.replace(new RegExp(`${name}+`, 'g'), (match: string) => {
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const len = match.length;
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return padStart(value.toString(), len, '0');
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});
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}
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return current;
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}, templateText);
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let index = 0;
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return replacedText.replace(escapeRegex, () => {
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const match = keepList[index];
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index += 1;
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return match;
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});
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}
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export function formatCountdown(value: countdownValueType, config: CountdownFormatConfig) {
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const { format = '' } = config;
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const target = new Date(value).getTime();
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const current = Date.now();
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const diff = Math.max(target - current, 0);
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return formatTimeStr(diff, format);
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}
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