diff options
Diffstat (limited to 'src/lib.ts')
| -rw-r--r-- | src/lib.ts | 65 |
1 files changed, 35 insertions, 30 deletions
@@ -80,6 +80,7 @@ export function getDaysInMonth(year: number, month: number){ // For date representation export const MIN_CAL_YEAR = -4713; // Earliest year where months/day scales are usable +export const MONTH_NAMES = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']; export class HistDate { gcal: boolean | null; year: number; @@ -161,40 +162,44 @@ export class HistDate { return `${this.year}`; } } - toDisplayString(){ - if (this.month == 1 && this.day == 1){ - if (this.year > 0){ - return String(this.year); - } else if (this.year > -1e3){ + toYearString(){ + if (this.year >= 1000){ + return String(this.year); + } else if (this.year > 0){ + return String(this.year) + ' AD'; + } else if (this.year > -1e3){ + return String(-this.year) + ' BC'; + } else if (this.year > -1e6){ + if (this.year % 1e3 == 0){ + return String(Math.floor(-this.year / 1e3)) + 'k BC'; + } else if (this.year % 100 == 0){ + return String(Math.floor(-this.year / 100) / 10) + 'k BC'; + } else { return String(-this.year) + ' BC'; - } else if (this.year > -1e6){ - if (this.year % 1e3 == 0){ - return String(Math.floor(-this.year / 1e3)) + 'k BC'; - } else if (this.year % 100 == 0){ - return String(Math.floor(-this.year / 100) / 10) + 'k BC'; - } else { - return String(-this.year) + ' BC'; - } - } else if (this.year > -1e9){ - if (this.year % 1e6 == 0){ - return String(Math.floor(-this.year / 1e6)) + ' mya'; - } else if (this.year % 1e3 == 0){ - return String(Math.floor(-this.year / 1e3) / 1e3) + ' mya'; - } else { - return String(-this.year.toLocaleString()); - } + } + } else if (this.year > -1e9){ + if (this.year % 1e6 == 0){ + return String(Math.floor(-this.year / 1e6)) + ' mya'; + } else if (this.year % 1e3 == 0){ + return String(Math.floor(-this.year / 1e3) / 1e3) + ' mya'; } else { - if (this.year % 1e9 == 0){ - return String(Math.floor(-this.year / 1e9)) + ' bya'; - } else if (this.year % 1e6 == 0){ - return String(Math.floor(-this.year / 1e6) / 1e3) + ' bya'; - } else { - return String(this.year.toLocaleString()); - } + return String(this.year.toLocaleString()); + } + } else { + if (this.year % 1e9 == 0){ + return String(Math.floor(-this.year / 1e9)) + ' bya'; + } else if (this.year % 1e6 == 0){ + return String(Math.floor(-this.year / 1e6) / 1e3) + ' bya'; + } else { + return String(this.year.toLocaleString()); } + } + } + toDisplayString(){ + if (this.month == 1 && this.day == 1){ + return this.toYearString(); } else if (this.day == 1){ - const monthNames = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']; - return monthNames[this.month - 1]; + return MONTH_NAMES[this.month - 1]; } else { if (this.day == 1){ return '1st'; |