export const RELATIVE_DATE_VALUE = '@relativeDate';
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export type RelativeDateAnchor = 'currentDate' | 'currentTime';
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export type RelativeDateUnit = 'day' | 'hour' | 'minute' | 'month' | 'week' | 'year';
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export interface RelativeDateConfig {
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anchor: RelativeDateAnchor;
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offset: number;
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unit: RelativeDateUnit;
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}
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const relativeDatePattern = /^@relativeDate:(currentDate|currentTime):(-?\d+):(minute|hour|day|week|month|year)$/;
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const dateUnits = [
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{ id: 'day', fullName: '天' },
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{ id: 'week', fullName: '周' },
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{ id: 'month', fullName: '月' },
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{ id: 'year', fullName: '年' },
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];
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const timeUnits = [
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{ id: 'minute', fullName: '分钟' },
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{ id: 'hour', fullName: '小时' },
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];
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function isTimeField(jnpfKey: string) {
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return jnpfKey === 'timePicker';
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}
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export function isRelativeDateValue(value: unknown): value is string {
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return typeof value === 'string' && relativeDatePattern.test(value);
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}
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export function getRelativeDateConfig(value: unknown, jnpfKey: string): RelativeDateConfig {
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const match = typeof value === 'string' ? value.match(relativeDatePattern) : null;
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if (match) {
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return {
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anchor: match[1] as RelativeDateAnchor,
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offset: Number(match[2]),
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unit: match[3] as RelativeDateUnit,
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};
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}
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return {
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anchor: isTimeField(jnpfKey) ? 'currentTime' : 'currentDate',
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offset: 1,
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unit: isTimeField(jnpfKey) ? 'hour' : 'day',
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};
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}
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export function createRelativeDateValue(config: RelativeDateConfig) {
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return `${RELATIVE_DATE_VALUE}:${config.anchor}:${config.offset}:${config.unit}`;
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}
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export function getRelativeDateUnits(jnpfKey: string) {
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return isTimeField(jnpfKey) ? timeUnits : dateUnits;
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}
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export function getRelativeDateAnchorOptions(jnpfKey: string) {
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return isTimeField(jnpfKey) ? [{ id: 'currentTime', fullName: '当前时间' }] : [{ id: 'currentDate', fullName: '当前日期' }];
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}
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export function getDateSystemValue(value: unknown) {
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return value === RELATIVE_DATE_VALUE || isRelativeDateValue(value) ? RELATIVE_DATE_VALUE : value;
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}
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export function getRelativeDateLabel(value: unknown, jnpfKey: string) {
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const { anchor, offset, unit } = getRelativeDateConfig(value, jnpfKey);
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const unitName = getRelativeDateUnits(jnpfKey).find((item) => item.id === unit)?.fullName || unit;
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if (offset === 0) return anchor === 'currentTime' ? '当前时间' : '当前日期';
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return `${anchor === 'currentTime' ? '当前时间' : '当前日期'}${offset > 0 ? '后' : '前'}${Math.abs(offset)}${unitName}`;
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}
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