@inlang/paraglide-js/dist/compiler/compile.bench.js

[](https://inlang.com)

import { bench } from "vitest";
import nodeFs from "node:fs";
import path from "node:path";
import { memfs } from "memfs";
import { compile } from "./compile.js";
bench("compile 1000 messages", async () => {
    const numMessages = 1000;
    // the root of the repo
    const repositoryRoot = import.meta.url
        .slice(0, import.meta.url.lastIndexOf("inlang/packages"))
        .replace("file://", "");
    // load the inlang message format plugin to simulate a real project
    const pluginAsText = nodeFs.readFileSync(path.join(repositoryRoot, "inlang/packages/plugins/inlang-message-format/dist/index.js"), "utf8");
    const mockMessages = Object.fromEntries(Array.from({ length: numMessages }, (_, i) => [
        `message_${i}`,
        `Hello world {username}`,
    ]));
    const fs = memfs({
        "/plugin.js": pluginAsText,
        "/en.json": JSON.stringify(mockMessages),
        "/project.inlang/settings.json": JSON.stringify({
            baseLocale: "en",
            locales: ["en"],
            modules: ["/plugin.js"],
            "plugin.inlang.messageFormat": {
                pathPattern: "/{locale}.json",
            },
        }),
    }).fs;
    const start = performance.now();
    await compile({
        project: "/project.inlang",
        outdir: "/output",
        fs: fs,
    });
    const end = performance.now();
    const duration = end - start;
    console.log(`Compiled ${numMessages} messages in ${duration}ms`);
});