astro/dist/i18n/path.js

Astro is a modern site builder with web best practices, performance, and DX front-of-mind.

// Checks if the pathname has any locale
export function pathHasLocale(path, locales) {
	// pages that use a locale param ([locale].astro or [locale]/index.astro)
	// and getStaticPaths make [locale].html the pathname during SSG
	// which will not match a configured locale without removing .html
	// as we do in normalizeThePath
	const segments = path.split("/").map(normalizeThePath);
	for (const segment of segments) {
		for (const locale of locales) {
			if (typeof locale === "string") {
				if (normalizeTheLocale(segment) === normalizeTheLocale(locale)) {
					return true;
				}
			} else if (segment === locale.path) {
				return true;
			}
		}
	}
	return false;
}
/**
*
* Given a locale, this function:
* - replaces the `_` with a `-`;
* - transforms all letters to be lowercase;
*/
export function normalizeTheLocale(locale) {
	return locale.replaceAll("_", "-").toLowerCase();
}
/**
*
* Given a path or path segment, this function:
* - removes the `.html` extension if it exists
*/
export function normalizeThePath(path) {
	return path.endsWith(".html") ? path.slice(0, -5) : path;
}