@intlayer/core/dist/esm/localization/getLocaleFromPath.mjs

Includes core Intlayer functions like translation, dictionary, and utility functions shared across multiple packages.

import { checkIsURLAbsolute } from "../utils/checkIsURLAbsolute.mjs";
import { Locales } from "@intlayer/types";
import configuration from "@intlayer/config/built";

//#region src/localization/getLocaleFromPath.ts
/**
* Extracts the locale segment from the given URL or pathname if present.
* If no locale is present, returns the default locale (en).
*
* Example:
*
* ```ts
* getLocaleFromPath('/en/dashboard') // Returns 'en'
* getLocaleFromPath('/fr/dashboard') // Returns 'fr'
* getLocaleFromPath('/dashboard') // Returns 'en'
* getLocaleFromPath('dashboard') // Returns 'en'
* getLocaleFromPath('https://example.com/es/dashboard') // Returns 'es'
* getLocaleFromPath('https://example.com/fr/dashboard') // Returns 'fr'
* getLocaleFromPath('https://example.com/dashboard') // Returns 'en'
* ```
*
* @param inputUrl - The complete URL string or pathname to process.
* @returns The detected locale or default (en) if no locale is found
*/
const getLocaleFromPath = (inputUrl) => {
	const { defaultLocale, locales } = configuration?.internationalization ?? {};
	if (!defaultLocale || !locales) return Locales.ENGLISH;
	const isAbsoluteUrl = checkIsURLAbsolute(inputUrl);
	let fixedInputUrl = inputUrl;
	if (inputUrl.endsWith("/")) fixedInputUrl = inputUrl.slice(0, -1);
	const pathname = (isAbsoluteUrl ? new URL(fixedInputUrl) : new URL(fixedInputUrl, "http://example.com")).pathname;
	if (!pathname.startsWith("/")) return defaultLocale;
	const firstSegment = pathname.split("/")[1];
	if (firstSegment && locales.includes(firstSegment)) return firstSegment;
	return defaultLocale;
};

//#endregion
export { getLocaleFromPath };
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