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import { localizedField, localizedFieldNonNull } from "../models/app"; |
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3
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export type Locales = "en" | "fr"; |
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type TranslatableKeysNonNull<T> = { |
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[K in keyof T]: T[K] extends localizedFieldNonNull ? K : never; |
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}[keyof T]; |
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type TranslatableKeys<T> = { |
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[K in keyof T]: T[K] extends localizedField ? K : never; |
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}[keyof T]; |
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10
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11
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export function localizeField<T>( |
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locale: Locales, |
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model: T, |
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field: TranslatableKeys<T>, |
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15
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): string | null { |
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if (model[field] !== null) { |
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return model[field][locale]; |
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} |
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return null; |
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} |
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export function localizeFieldNonNull<T>( |
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locale: Locales, |
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model: T, |
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field: TranslatableKeysNonNull<T>, |
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): string { |
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// Even though we assume field is non-null... check anyway to avoid crashes. |
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const value = model[field] ? model[field][locale] : null; |
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if (value) { |
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return value; |
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} |
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return locale === "en" ? "TRANSLATION MISSING" : "TRADUCTION MANQUANTE"; |
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} |
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34
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export function getLocale(locale: string): Locales { |
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if (locale === "en" || locale === "fr") { |
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return locale; |
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37
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} |
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38
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console.log("Warning: unknown locale. Defaulting to en."); |
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return "en"; |
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40
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} |
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41
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42
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export function matchValueToModel<T>( |
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locale: Locales, |
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field: TranslatableKeys<T>, |
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45
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value: string, |
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possibilities: T[], |
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): T | null { |
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const matching = possibilities.filter( |
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(model) => localizeField(locale, model, field) === value, |
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); |
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return matching.length > 0 ? matching[0] : null; |
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} |
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53
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54
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export function matchStringsCaseDiacriticInsensitive( |
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needle: string, |
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56
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haystack: string[], |
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): string[] { |
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58
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return haystack.filter((name) => { |
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59
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return ( |
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60
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name |
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61
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.normalize("NFD") // Normalizing to NFD Unicode normal form decomposes combined graphemes into the combination of simple ones. |
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62
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.replace(/[\u0300-\u036f]/g, "") // Using a regex character class to match the U+0300 → U+036F range, it is now trivial to globally get rid of the diacritics, which the Unicode standard conveniently groups as the Combining Diacritical Marks Unicode block. |
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63
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.search(new RegExp(needle, "i")) !== -1 || |
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name.search(new RegExp(needle, "i")) !== -1 |
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65
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); |
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}); |
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} |
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GCTC-NTGC /
TalentCloud
