@inlang/paraglide-js/dist/cli/steps/add-vite-plugin.test.js

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import { expect, test } from "vitest";
import { addVitePlugin } from "./add-vite-plugin.js";
import { memfs } from "memfs";
test("updates a vite.config.ts", async () => {
    const config = `import { sveltekit } from "@sveltejs/kit/vite"
import { defineConfig } from "vite"

export default defineConfig({
	plugins: [sveltekit()],
})
`;
    const fs = memfs({
        "/vite.config.ts": config,
    }).fs;
    await addVitePlugin({
        fs: fs.promises,
        outdir: "./src/paraglide",
        projectPath: "./project.inlang",
        configPath: "/vite.config.ts",
    });
    const updatedConfig = await fs.promises.readFile("/vite.config.ts", {
        encoding: "utf-8",
    });
    expect(updatedConfig).toMatchInlineSnapshot(`
			"import { paraglideVitePlugin } from '@inlang/paraglide-js'
			import { sveltekit } from "@sveltejs/kit/vite"
			import { defineConfig } from "vite"

			export default defineConfig({
				plugins: [paraglideVitePlugin({ project: './project.inlang', outdir: './src/paraglide' }),sveltekit()],
			})
			"
		`);
});
test("doesn't update configs where the paraglide plugin is already present", async () => {
    const config = `
        import { sveltekit } from "@sveltejs/kit/vite"
        import { paraglideVitePlugin } from "@inlang/paraglide-js"
        import { visualizer } from "rollup-plugin-visualizer"
        import { defineConfig } from "vite"
        
        export default defineConfig({
            plugins: [
                paraglideVitePlugin({
                    project: "./project.inlang",
                    outdir: "./src/paraglide",
                }),
                sveltekit(),
                visualizer({
                    filename: "stats.html",
                    emitFile: true,
                }),
            ],
        })        
`;
    const fs = memfs({
        "/vite.config.ts": config,
    }).fs;
    await addVitePlugin({
        fs: fs.promises,
        outdir: "./src/paraglide",
        projectPath: "./project.inlang",
        configPath: "/vite.config.ts",
    });
    const updatedConfig = await fs.promises.readFile("/vite.config.ts", {
        encoding: "utf-8",
    });
    expect(updatedConfig).toMatch(config);
});