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// Calendar
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export const WEEK_DAYS = [
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'Domenica',
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'Lunedì',
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'Martedì',
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'Mercoledì',
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'Giovedì',
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'Venerdì',
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'Sabato',
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]
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// Hashing
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export function hashString(str, seed = 0) {
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let h1 = 0xdeadbeef ^ seed,
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h2 = 0x41c6ce57 ^ seed
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for (let i = 0, ch; i < str.length; i++) {
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ch = str.charCodeAt(i)
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h1 = Math.imul(h1 ^ ch, 2654435761)
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h2 = Math.imul(h2 ^ ch, 1597334677)
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}
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h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507) ^ Math.imul(h2 ^ (h2 >>> 13), 3266489909)
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h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507) ^ Math.imul(h1 ^ (h1 >>> 13), 3266489909)
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return 4294967296 * (2097151 & h2) + (h1 >>> 0)
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}
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// Courses
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export function normalizeCourseName(name) {
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return name
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.split(' ')
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.map(word => word.toLowerCase())
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.map(word => {
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if (word.trim().length === 0) return word
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return /(^del|^nel|^di$|^dei$|^con$|^alla$|^per$|^e$|^la$)/.test(word)
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? word
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: word[0].toUpperCase() + word.slice(1)
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})
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.join(' ')
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.replaceAll('Ii', 'II')
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.replaceAll('Iii', 'III')
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.replaceAll(/'(.)/g, ({}, letter) => "'" + letter.toUpperCase())
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}
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// JSX
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export const withClasses = classes =>
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Array.isArray(classes)
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? classes.filter(e => !!e).join(' ')
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: Object.entries(classes)
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.filter(([, value]) => value)
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.map(([key]) => key)
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.join(' ')
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