@inlang/paraglide-js
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JavaScript
import { test, expect } from "vitest";
import { createParaglide } from "../create-paraglide.js";
import { newProject } from "@inlang/sdk";
import "@inlang/paraglide-js/urlpattern-polyfill";
test("generates localized URLs using default URL pattern", async () => {
const runtime = await createParaglide({
blob: await newProject({
settings: {
baseLocale: "en",
locales: ["en", "de", "fr"],
},
}),
strategy: ["url"],
// undefined creates the default pattern
urlPatterns: undefined,
});
const urls = runtime.generateStaticLocalizedUrls([
"http://example.com/about",
"http://example.com/blog/post-1",
"http://example.com/contact",
]);
const pathnames = urls.map((url) => url.pathname).sort();
expect(pathnames).toEqual([
"/about",
"/blog/post-1",
"/contact",
"/de/about",
"/de/blog/post-1",
"/de/contact",
"/fr/about",
"/fr/blog/post-1",
"/fr/contact",
]);
// All URLs should be URL objects
expect(urls.every((url) => url instanceof URL)).toBe(true);
});
test("generates localized URLs using custom URL patterns", async () => {
const runtime = await createParaglide({
blob: await newProject({
settings: {
baseLocale: "en",
locales: ["en", "de"],
},
}),
strategy: ["url"],
urlPatterns: [
{
pattern: "/store/item/:id",
localized: [
["en", "/store/item/:id"],
["de", "/laden/artikel/:id"],
],
},
{
pattern: "/blog/:slug",
localized: [
["en", "/blog/:slug"],
["de", "/blog/:slug"], // Same pattern for both locales
],
},
],
});
const urls = runtime.generateStaticLocalizedUrls([
"https://example.com/store/item/123",
"https://example.com/store/item/456",
"https://example.com/blog/my-post",
]);
const pathnames = urls.map((url) => url.pathname).sort();
expect(pathnames).toEqual([
"/blog/my-post",
"/laden/artikel/123",
"/laden/artikel/456",
"/store/item/123",
"/store/item/456",
]);
// All URLs should be URL objects
expect(urls.every((url) => url instanceof URL)).toBe(true);
});
test("handles paths that don't match any pattern by including them", async () => {
const runtime = await createParaglide({
blob: await newProject({
settings: {
baseLocale: "en",
locales: ["en", "de"],
},
}),
strategy: ["url"],
urlPatterns: [
{
pattern: "https://example.com/store/:path*",
localized: [
["en", "https://example.com/store/:path*"],
["de", "https://example.com/laden/:path*"],
],
},
],
});
const urls = runtime.generateStaticLocalizedUrls([
"https://example.com/store/item/123", // Should match pattern
"https://example.com/about", // Should not match pattern
"https://example.com/contact", // Should not match pattern
]);
const pathnames = urls.map((url) => url.pathname).sort();
expect(pathnames).toEqual([
"/about",
"/contact",
"/laden/item/123",
"/store/item/123",
]);
// All URLs should be URL objects
expect(urls.every((url) => url instanceof URL)).toBe(true);
});
test("handles URL objects as input", async () => {
const runtime = await createParaglide({
blob: await newProject({
settings: {
baseLocale: "en",
locales: ["en", "de"],
},
}),
strategy: ["url"],
urlPatterns: [
{
pattern: "/store/:path*",
localized: [
["en", "/store/:path*"],
["de", "/laden/:path*"],
],
},
],
});
const urls = runtime.generateStaticLocalizedUrls([
new URL("https://example.com/store/item/123?color=blue#reviews"),
new URL("https://example.com/store/cart"),
new URL("https://example.com/about"), // Should not match pattern
]);
const pathnames = urls.map((url) => url.pathname).sort();
expect(pathnames).toEqual([
"/about",
"/laden/cart",
"/laden/item/123",
"/store/cart",
"/store/item/123",
]);
// Verify search params and hash fragments are preserve
// All URLs should be URL objects
expect(urls.every((url) => url instanceof URL)).toBe(true);
});
test("generates localized URLs from paths", async () => {
const runtime = await createParaglide({
blob: await newProject({
settings: {
baseLocale: "en",
locales: ["en", "de", "fr"],
},
}),
strategy: ["url"],
// undefined creates the default pattern
urlPatterns: undefined,
});
const urls = runtime.generateStaticLocalizedUrls([
"/about",
"/blog/post-1",
"/contact",
]);
const pathnames = urls.map((url) => url.pathname).sort();
expect(pathnames).toEqual([
"/about",
"/blog/post-1",
"/contact",
"/de/about",
"/de/blog/post-1",
"/de/contact",
"/fr/about",
"/fr/blog/post-1",
"/fr/contact",
]);
// All URLs should be URL objects
expect(urls.every((url) => url instanceof URL)).toBe(true);
});
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