| 1 |
export function useDateField() { |
| 2 |
function parseDateString( |
| 3 |
dateStr: string, |
| 4 |
format?: string, |
| 5 |
): { day: string; month: string; year: string } { |
| 6 |
if (!dateStr) { |
| 7 |
return { day: '', month: '', year: '' } |
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} |
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|
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// Try to parse based on separators |
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const separators = ['-', '/', '.'] |
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let parts: string[] = [] |
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|
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for (const sep of separators) { |
| 15 |
if (dateStr.includes(sep)) { |
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parts = dateStr.split(sep) |
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break |
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} |
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} |
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|
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if (parts.length !== 3) { |
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return { day: '', month: '', year: '' } |
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} |
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|
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// Determine format (default to MM/DD/YYYY if not provided) |
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const dateFormat = (format || 'MM/DD/YYYY').toUpperCase() |
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|
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let day = '' |
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let month = '' |
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let year = '' |
| 31 |
|
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const formatParts = dateFormat.split(/[/.-]/) |
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formatParts.forEach((part, index) => { |
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const upperPart = part.toUpperCase() |
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if (upperPart === 'DD' || upperPart === 'D') day = parts[index] |
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if (upperPart === 'MM' || upperPart === 'M') month = parts[index] |
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if (upperPart === 'YYYY' || upperPart === 'YY') year = parts[index] |
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}) |
| 39 |
|
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return { day, month, year } |
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} |
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|
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function formatDateString( |
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day: string, |
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month: string, |
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year: string, |
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format: string = 'MM/DD/YYYY', |
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): string { |
| 49 |
if (!day || !month || !year) return '' |
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|
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const separator = format.includes('/') ? '/' : format.includes('-') ? '-' : '.' |
| 52 |
|
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const formatParts = format.split(/[/.-]/) |
| 54 |
const result = formatParts.map((part) => { |
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const upperPart = part.toUpperCase() |
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if (upperPart === 'DD' || upperPart === 'D') { |
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return upperPart === 'DD' ? day.padStart(2, '0') : day |
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} |
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if (upperPart === 'MM' || upperPart === 'M') { |
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return upperPart === 'MM' ? month.padStart(2, '0') : month |
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} |
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if (upperPart === 'YYYY') return year |
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if (upperPart === 'YY') return year.slice(-2) |
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return part |
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}) |
| 66 |
|
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return result.join(separator) |
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} |
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|
| 70 |
function isValidDate( |
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day: string | number, |
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month: string | number, |
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year: string | number, |
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): boolean { |
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const d = typeof day === 'string' ? parseInt(day, 10) : day |
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const m = typeof month === 'string' ? parseInt(month, 10) : month |
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const y = typeof year === 'string' ? parseInt(year, 10) : year |
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|
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if (isNaN(d) || isNaN(m) || isNaN(y)) return false |
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if (m < 1 || m > 12) return false |
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if (d < 1 || d > 31) return false |
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if (y < 1000 || y > 9999) return false |
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|
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// Check day validity for month |
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const daysInMonth = new Date(y, m, 0).getDate() |
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return d <= daysInMonth |
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} |
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|
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function getDaysArray(): Array<{ label: string; value: string }> { |
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return Array.from({ length: 31 }, (_, i) => { |
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const day = (i + 1).toString().padStart(2, '0') |
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return { label: day, value: day } |
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}) |
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} |
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|
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function getMonthsArray(): Array<{ label: string; value: string }> { |
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return Array.from({ length: 12 }, (_, i) => { |
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const month = (i + 1).toString().padStart(2, '0') |
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return { label: month, value: month } |
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}) |
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} |
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|
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function getYearsArray( |
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minYear?: number, |
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maxYear?: number, |
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): Array<{ label: string; value: string }> { |
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const currentYear = new Date().getFullYear() |
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const min = minYear || currentYear - 100 |
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const max = maxYear || currentYear + 100 |
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|
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const years: Array<{ label: string; value: string }> = [] |
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for (let year = min; year <= max; year++) { |
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years.push({ label: year.toString(), value: year.toString() }) |
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} |
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return years |
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} |
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|
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function toISOFormat(dateStr: string, format?: string): string { |
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const parsed = parseDateString(dateStr, format) |
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if (!parsed.day || !parsed.month || !parsed.year) return '' |
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return `${parsed.year}-${parsed.month.padStart(2, '0')}-${parsed.day.padStart(2, '0')}` |
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} |
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|
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function fromISOFormat(isoDate: string, format: string = 'MM/DD/YYYY'): string { |
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if (!isoDate) return '' |
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const [year, month, day] = isoDate.split('-') |
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return formatDateString(day, month, year, format) |
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} |
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|
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/** |
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* Validate date format based on date format pattern |
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* Returns true if date matches the expected format |
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*/ |
| 134 |
function isValidDateFormat(dateStr: string, dateFormat: string): boolean { |
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if (!dateStr || typeof dateStr !== 'string') { |
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return false |
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} |
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|
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const trimmed = dateStr.trim() |
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|
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if (dateFormat === 'MM/DD/YYYY' || dateFormat === 'M/D/YYYY') { |
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return /^(0?[1-9]|1[0-2])\/(0?[1-9]|[12]\d|3[01])\/\d{4}$/.test(trimmed) |
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} else if (dateFormat === 'DD/MM/YYYY' || dateFormat === 'D/M/YYYY') { |
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return /^(0?[1-9]|[12]\d|3[01])\/(0?[1-9]|1[0-2])\/\d{4}$/.test(trimmed) |
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} else if (dateFormat === 'YYYY-MM-DD' || dateFormat === 'YYYY-M-D') { |
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return /^\d{4}-(0?[1-9]|1[0-2])-(0?[1-9]|[12]\d|3[01])$/.test(trimmed) |
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} else if (dateFormat === 'DD.MM.YYYY' || dateFormat === 'D.M.YYYY') { |
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return /^(0?[1-9]|[12]\d|3[01])\.(0?[1-9]|1[0-2])\.\d{4}$/.test(trimmed) |
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} else { |
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// Default to MM/DD/YYYY |
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return /^(0?[1-9]|1[0-2])\/(0?[1-9]|[12]\d|3[01])\/\d{4}$/.test(trimmed) |
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} |
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} |
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|
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/** |
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* Parse date string to comparable object |
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* Handles multiple date formats and returns standardized object for comparison |
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* Returns null if parsing fails |
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*/ |
| 160 |
function parseDateToObject( |
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dateStr: string, |
| 162 |
dateFormat: string, |
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): { year: number; month: number; day: number } | null { |
| 164 |
if (!dateStr || typeof dateStr !== 'string') { |
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return null |
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} |
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|
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const trimmed = dateStr.trim() |
| 169 |
let year: number, month: number, day: number |
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|
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if (dateFormat === 'MM/DD/YYYY' || dateFormat === 'M/D/YYYY') { |
| 172 |
const match = trimmed.match(/^(0?[1-9]|1[0-2])\/(0?[1-9]|[12]\d|3[01])\/(\d{4})$/) |
| 173 |
if (!match) return null |
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month = parseInt(match[1], 10) |
| 175 |
day = parseInt(match[2], 10) |
| 176 |
year = parseInt(match[3], 10) |
| 177 |
} else if (dateFormat === 'DD/MM/YYYY' || dateFormat === 'D/M/YYYY') { |
| 178 |
const match = trimmed.match(/^(0?[1-9]|[12]\d|3[01])\/(0?[1-9]|1[0-2])\/(\d{4})$/) |
| 179 |
if (!match) return null |
| 180 |
day = parseInt(match[1], 10) |
| 181 |
month = parseInt(match[2], 10) |
| 182 |
year = parseInt(match[3], 10) |
| 183 |
} else if (dateFormat === 'YYYY-MM-DD' || dateFormat === 'YYYY-M-D') { |
| 184 |
const match = trimmed.match(/^(\d{4})-(0?[1-9]|1[0-2])-(0?[1-9]|[12]\d|3[01])$/) |
| 185 |
if (!match) return null |
| 186 |
year = parseInt(match[1], 10) |
| 187 |
month = parseInt(match[2], 10) |
| 188 |
day = parseInt(match[3], 10) |
| 189 |
} else if (dateFormat === 'DD.MM.YYYY' || dateFormat === 'D.M.YYYY') { |
| 190 |
const match = trimmed.match(/^(0?[1-9]|[12]\d|3[01])\.(0?[1-9]|1[0-2])\.(\d{4})$/) |
| 191 |
if (!match) return null |
| 192 |
day = parseInt(match[1], 10) |
| 193 |
month = parseInt(match[2], 10) |
| 194 |
year = parseInt(match[3], 10) |
| 195 |
} else { |
| 196 |
// Default to MM/DD/YYYY |
| 197 |
const match = trimmed.match(/^(0?[1-9]|1[0-2])\/(0?[1-9]|[12]\d|3[01])\/(\d{4})$/) |
| 198 |
if (!match) return null |
| 199 |
month = parseInt(match[1], 10) |
| 200 |
day = parseInt(match[2], 10) |
| 201 |
year = parseInt(match[3], 10) |
| 202 |
} |
| 203 |
|
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// Validate ranges |
| 205 |
if (month < 1 || month > 12 || day < 1 || day > 31 || year < 1900 || year > 2100) { |
| 206 |
return null |
| 207 |
} |
| 208 |
|
| 209 |
return { year, month, day } |
| 210 |
} |
| 211 |
|
| 212 |
/** |
| 213 |
* Compare two date objects for range validation |
| 214 |
* Returns: negative if a < b, 0 if equal, positive if a > b |
| 215 |
*/ |
| 216 |
function compareDates( |
| 217 |
a: { year: number; month: number; day: number } | null, |
| 218 |
b: { year: number; month: number; day: number } | null, |
| 219 |
): number { |
| 220 |
if (!a || !b) return 0 |
| 221 |
|
| 222 |
if (a.year !== b.year) return a.year - b.year |
| 223 |
if (a.month !== b.month) return a.month - b.month |
| 224 |
return a.day - b.day |
| 225 |
} |
| 226 |
|
| 227 |
/** |
| 228 |
* Validate date is within min/max range |
| 229 |
* Returns: { isInRange: boolean, error?: string } |
| 230 |
*/ |
| 231 |
function isDateInValidRange( |
| 232 |
dateStr: string, |
| 233 |
dateFormat: string, |
| 234 |
minDateValue?: string | null, |
| 235 |
maxDateValue?: string | null, |
| 236 |
): { isInRange: boolean; error?: string } { |
| 237 |
// Empty values are allowed (checked by required rule) |
| 238 |
if (!dateStr) { |
| 239 |
return { isInRange: true } |
| 240 |
} |
| 241 |
|
| 242 |
const currentDate = parseDateToObject(dateStr, dateFormat) |
| 243 |
if (!currentDate) { |
| 244 |
return { isInRange: false, error: 'Invalid date format' } |
| 245 |
} |
| 246 |
|
| 247 |
const hasMin = minDateValue !== null && minDateValue !== undefined && minDateValue !== '' |
| 248 |
const hasMax = maxDateValue !== null && maxDateValue !== undefined && maxDateValue !== '' |
| 249 |
|
| 250 |
if (!hasMin && !hasMax) { |
| 251 |
return { isInRange: true } |
| 252 |
} |
| 253 |
|
| 254 |
// Parse min date |
| 255 |
let minDate: { year: number; month: number; day: number } | null = null |
| 256 |
if (hasMin) { |
| 257 |
minDate = parseDateToObject(minDateValue!, dateFormat) |
| 258 |
if (!minDate) { |
| 259 |
return { isInRange: false, error: `Malformed minimum date value: ${minDateValue}` } |
| 260 |
} |
| 261 |
} |
| 262 |
|
| 263 |
// Parse max date |
| 264 |
let maxDate: { year: number; month: number; day: number } | null = null |
| 265 |
if (hasMax) { |
| 266 |
maxDate = parseDateToObject(maxDateValue!, dateFormat) |
| 267 |
if (!maxDate) { |
| 268 |
return { isInRange: false, error: `Malformed maximum date value: ${maxDateValue}` } |
| 269 |
} |
| 270 |
} |
| 271 |
|
| 272 |
// Check range |
| 273 |
if (minDate !== null && compareDates(currentDate, minDate) < 0) { |
| 274 |
return { isInRange: false, error: `Date must be at or after ${minDateValue}` } |
| 275 |
} |
| 276 |
|
| 277 |
if (maxDate !== null && compareDates(currentDate, maxDate) > 0) { |
| 278 |
return { isInRange: false, error: `Date must be at or before ${maxDateValue}` } |
| 279 |
} |
| 280 |
|
| 281 |
return { isInRange: true } |
| 282 |
} |
| 283 |
|
| 284 |
return { |
| 285 |
parseDateString, |
| 286 |
formatDateString, |
| 287 |
isValidDate, |
| 288 |
getDaysArray, |
| 289 |
getMonthsArray, |
| 290 |
getYearsArray, |
| 291 |
toISOFormat, |
| 292 |
fromISOFormat, |
| 293 |
isValidDateFormat, |
| 294 |
parseDateToObject, |
| 295 |
compareDates, |
| 296 |
isDateInValidRange, |
| 297 |
} |
| 298 |
} |
| 299 |
|
