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10 月 4 日（Starlight 首个发布日 2014-10-04）当天，启动器顶部显示周年横幅并飘落蛋糕/彩带，周年数按年份-2014 计算。新增 helpers/anniversary.ts 与 AnniversaryCelebration.vue；开发者页加入 force_anniversary_celebration 功能开关用于随时预览。
61 lines
1.7 KiB
TypeScript
61 lines
1.7 KiB
TypeScript
/**
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* Starlight anniversary helpers.
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*
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* Starlight's first release was on 2014-10-04, so every October 4th the
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* launcher shows a small celebration. The anniversary number is simply
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* `currentYear - 2014`.
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*/
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/** Year of Starlight's first release. */
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export const STARLIGHT_FOUNDING_YEAR = 2014
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/** Month (1-12) of Starlight's anniversary. */
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export const STARLIGHT_ANNIVERSARY_MONTH = 10
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/** Day of month of Starlight's anniversary. */
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export const STARLIGHT_ANNIVERSARY_DAY = 4
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/**
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* Whether the given date falls on Starlight's anniversary (October 4th).
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* Uses the local timezone, which is what the launcher user experiences.
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*/
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export function isAnniversary(date: Date = new Date()): boolean {
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return (
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date.getMonth() + 1 === STARLIGHT_ANNIVERSARY_MONTH &&
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date.getDate() === STARLIGHT_ANNIVERSARY_DAY
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)
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}
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/**
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* The anniversary number for the given date (e.g. 12 for 2026).
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* Not clamped: callers decide whether to guard against pre-2014 dates.
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*/
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export function anniversaryYear(date: Date = new Date()): number {
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return date.getFullYear() - STARLIGHT_FOUNDING_YEAR
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}
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/**
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* Whether the celebration should currently be shown.
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*
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* Normally this is only true on October 4th, but the developer-page
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* `force_anniversary_celebration` feature flag forces it on for previewing.
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*/
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export function shouldCelebrate(force = false, date: Date = new Date()): boolean {
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return force || isAnniversary(date)
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}
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/** English ordinal suffix for a number (1 -> "1st", 12 -> "12th"). */
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export function ordinal(n: number): string {
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const mod100 = n % 100
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if (mod100 >= 11 && mod100 <= 13) return `${n}th`
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switch (n % 10) {
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case 1:
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return `${n}st`
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case 2:
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return `${n}nd`
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case 3:
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return `${n}rd`
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default:
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return `${n}th`
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}
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} |