const fs = require("fs");

function rerequire(path) {

delete require.cache[path];

return require(path);

}

class SveltePreRenderPlugin {

constructor(options = {}) {

this.options = options;

}

apply(compiler) {

const locales = fs.readdirSync("jsi18n/jsi18n");

compiler.hooks.assetEmitted.tap(

"svelte-pre-render-plugin",

(file, { outputPath, targetPath }) => {

const routes = this.options[file];

if (routes) {

const { render } = require("svelte/server");

const Component = rerequire(targetPath).default;

for (const locale of locales) {

const jsi18n = rerequire(`../jsi18n/jsi18n/${locale}/djangojs.js`);

Object.assign(global, jsi18n);

for (const route of routes) {

const { head = "", body: html } = render(Component, {

props: { url: `/${locale}${route}`, locale },

});

fs.mkdirSync(

`${outputPath}/${locale}${route

.split("/")

.slice(0, -1)

.join("/")}`,

{

recursive: true,

}

);

fs.writeFileSync(

`${outputPath}/${locale}${route}.head.html`,

head

);

fs.writeFileSync(

`${outputPath}/${locale}${route}.html`,

html

);

}

}

}

}

);

}

}

module.exports = SveltePreRenderPlugin;