@wroud/vite-plugin-ssg/lib/resolvers/ssrBundlePlugin.js

A Vite plugin for static site generation (SSG) with React. Renders React applications to static HTML for faster load times and improved SEO.

import nodePath from "node:path";
import {} from "vite";
import { removeUrlQuery } from "../modules/removeUrlQuery.js";
import { createSsgClientEntryId } from "../modules/isSsgClientEntryId.js";
import { isMainId, removeMainQuery } from "../modules/mainQuery.js";
import { cleanSsgAssetId, isSsgAssetId } from "../modules/isSsgAssetId.js";
import { mkdir, writeFile } from "node:fs/promises";
import { isSsgPageUrlId } from "../modules/isSsgPageUrlId.js";
import { removeNoInlineQuery } from "../utils/removeNoInlineQuery.js";
import { changePathExt } from "../utils/changePathExt.js";
export const ssrBundlePlugin = () => {
    return [
        {
            name: "@wroud/vite-plugin-ssg/ssr",
            enforce: "post",
            apply: "build",
            applyToEnvironment: (env) => env.name === "ssr",
            generateBundle: {
                order: "post",
                async handler(options, bundle) {
                    const config = this.environment.config;
                    for (const chunk of Object.values(bundle)) {
                        if (chunk.type === "chunk") {
                            const ssgIds = chunk.moduleIds.filter(isSsgAssetId).map((id) => {
                                id = cleanSsgAssetId(id);
                                id = removeUrlQuery(id);
                                id = removeNoInlineQuery(id);
                                if (isMainId(id)) {
                                    id = createSsgClientEntryId(removeMainQuery(id));
                                }
                                if (isSsgPageUrlId(id)) {
                                    id = changePathExt(id, "");
                                }
                                return id;
                            });
                            if (ssgIds.length > 0) {
                                const outDir = nodePath.join(config.root, config.build.outDir, nodePath.dirname(chunk.fileName));
                                const ssgFilePath = nodePath.join(config.root, config.build.outDir, chunk.fileName + ".ssg");
                                try {
                                    await mkdir(outDir, { recursive: true });
                                    await writeFile(ssgFilePath, JSON.stringify(ssgIds, null, 2));
                                }
                                catch (error) {
                                    if (error instanceof Error) {
                                        this.error(new Error(`Failed to generate SSG file: ${ssgFilePath}`, {
                                            cause: error,
                                        }));
                                    }
                                    else {
                                        this.error(`Failed to generate SSG file: ${ssgFilePath} - ${String(error)}`);
                                    }
                                }
                            }
                        }
                    }
                },
            },
        },
    ];
};
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