@inlang/paraglide-js
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JavaScript
import { test, expect } from "vitest";
import { generateOutput, messageReferenceExpression, } from "./locale-modules.js";
test("should emit per locale message files", () => {
const bundles = [
{
bundle: {
code: 'console.log("bundle code");',
node: {
id: "happy_elephant",
},
},
messages: {
en: {
code: 'console.log("message in English");',
node: {},
},
de: {
code: 'console.log("message in German");',
node: {},
},
},
matchTypes: new Map(),
},
];
const settings = {
locales: ["en", "de"],
baseLocale: "en",
};
const fallbackMap = {
en: "de",
de: "en",
};
const output = generateOutput(bundles, settings, fallbackMap);
expect(output).toHaveProperty("messages/en.js");
expect(output).toHaveProperty("messages/de.js");
expect(output["messages/en.js"]).toContain(`console.log("message in English");`);
});
test("the files should include files for each locale, even if there are no messages", () => {
const bundles = [
{
bundle: {
code: 'console.log("bundle code");',
node: {
id: "happy_elephant",
},
},
messages: {},
matchTypes: new Map(),
},
];
const settings = {
locales: ["en", "de", "fr"],
baseLocale: "en",
};
const fallbackMap = {
en: "de",
de: "en",
};
const output = generateOutput(bundles, settings, fallbackMap);
expect(output).toHaveProperty("messages/en.js");
expect(output).toHaveProperty("messages/de.js");
expect(output).toHaveProperty("messages/fr.js");
});
test("should handle case sensitivity in message IDs correctly", () => {
const bundles = [
{
bundle: {
code: 'console.log("bundle code");',
node: {
id: "sad_penguin_bundle",
},
},
messages: {
en: {
code: 'console.log("sad_penguin_bundle");',
node: {},
},
},
matchTypes: new Map(),
},
{
bundle: {
code: 'console.log("bundle code");',
node: {
id: "Sad_penguin_bundle",
},
},
messages: {
en: {
code: 'console.log("Sad_penguin_bundle");',
node: {},
},
},
matchTypes: new Map(),
},
];
const settings = {
locales: ["en"],
baseLocale: "en",
};
const fallbackMap = {};
const output = generateOutput(bundles, settings, fallbackMap);
// Check that the output exists
expect(output).toHaveProperty("messages/_index.js");
expect(output).toHaveProperty("messages/en.js");
// The exported constants should not conflict
const content = output["messages/en.js"];
expect(content).toContain("export const sad_penguin_bundle");
expect(content).toContain("export const sad_penguin_bundle1"); // or some other unique name
});
test("prefixes locale imports to avoid message name collisions", () => {
// https://github.com/opral/paraglide-js/issues/492
const bundles = [
{
bundle: {
code: "const no = () => 'No';",
node: {
id: "no",
},
},
messages: {
no: {
code: "const no = () => 'Nei';",
node: {},
},
},
matchTypes: new Map(),
},
];
const settings = {
locales: ["no"],
baseLocale: "no",
};
const output = generateOutput(bundles, settings, {});
expect(output["messages/_index.js"]).toContain(`import * as __no from "./no.js"`);
expect(output["messages/_index.js"]).not.toContain(`import * as no from "./no.js"`);
expect(messageReferenceExpression("no", "no")).toBe("__no.no");
});
test("emits minimal runtime imports in index when middleware splitting is disabled", () => {
const bundles = [
{
bundle: {
code: "export const happy_elephant = () => __en.happy_elephant()",
node: {
id: "happy_elephant",
},
},
messages: {
en: {
code: '() => "happy"',
node: {},
},
},
matchTypes: new Map(),
},
];
const output = generateOutput(bundles, { locales: ["en"], baseLocale: "en" }, {}, false);
expect(output["messages/_index.js"]).toContain('import { getLocale, experimentalStaticLocale } from "../runtime.js"');
expect(output["messages/_index.js"]).not.toContain("trackMessageCall");
expect(output["messages/_index.js"]).not.toContain("experimentalMiddlewareLocaleSplitting");
expect(output["messages/_index.js"]).not.toContain("isServer");
});
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