Beatrice Dellacà
cbabf43584
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66 lines
2.2 KiB
TypeScript
66 lines
2.2 KiB
TypeScript
export function formatDate(value: string, seconds = false): string {
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const options: Intl.DateTimeFormatOptions = {
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year: 'numeric',
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month: '2-digit',
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day: '2-digit',
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hour: '2-digit',
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minute: '2-digit',
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...(seconds ? { second: '2-digit' } : {}),
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};
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return new Date(value).toLocaleString('it-IT', options);
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}
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export const capitalize = (str: string) =>
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str
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.toLowerCase()
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.split(' ')
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.map((word) => word.charAt(0).toUpperCase() + word.slice(1))
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.join(' ');
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export type SplitMode = 'underscore' | 'camel' | 'auto';
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/** Title-case a string while preserving short all-caps acronyms (e.g., XML) */
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const toTitleCase = (s: string) =>
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s
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.trim()
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.toLowerCase()
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.split(/\s+/)
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.map((w) =>
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/^[A-Z]{2,4}$/.test(w) ? w : w.charAt(0).toUpperCase() + w.slice(1).toLowerCase(),
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)
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.join(' ');
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const splitUnderscoreHyphen = (s: string) => s.replaceAll(/[_-]+/g, ' ');
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/** Insert spaces at camelCase boundaries and around digit/letter edges */
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const splitCamel = (s: string) =>
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s
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// fooBar -> foo Bar ; foo2D -> foo 2D
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.replaceAll(/([a-z0-9])([A-Z])/g, '$1 $2')
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// XMLHttp -> XML Http (acronym + word)
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.replaceAll(/([A-Z])([A-Z][a-z])/g, '$1 $2')
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// letter<->digit boundaries
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.replaceAll(/([a-zA-Z])([0-9])/g, '$1 $2')
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.replaceAll(/([0-9])([a-zA-Z])/g, '$1 $2');
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/**
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* Split and capitalize either by underscores/hyphens or camelCase.
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* mode:
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* - "underscore": split on _ or -
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* - "camel": split on camelCase boundaries
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* - "auto": pick underscore if present, otherwise camel
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*/
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export function splitAndCapitalize(str?: string, mode: SplitMode = 'auto'): string {
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if (!str) return '';
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// normalize underscores/hyphens first for auto decision
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const hasUnderscoreLike = /[_-]/.test(str);
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const chosen: SplitMode = mode === 'auto' ? (hasUnderscoreLike ? 'underscore' : 'camel') : mode;
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const spaced = chosen === 'underscore' ? splitUnderscoreHyphen(str) : splitCamel(str);
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// collapse extra spaces, then title-case
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return toTitleCase(spaced.replaceAll(/\s+/g, ' ').trim());
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}
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