@module-federation/manifest/dist/StatsPlugin.mjs

Provide manifest/stats for webpack/rspack MF project .

import { bindLoggerToCompiler } from "@module-federation/sdk";
import { ManifestManager } from "./ManifestManager.mjs";
import { StatsManager } from "./StatsManager.mjs";
import { PLUGIN_IDENTIFIER } from "./constants.mjs";
import logger from "./logger.mjs";

;// CONCATENATED MODULE: external "@module-federation/sdk"

;// CONCATENATED MODULE: external "./ManifestManager.mjs"

;// CONCATENATED MODULE: external "./StatsManager.mjs"

;// CONCATENATED MODULE: external "./constants.mjs"

;// CONCATENATED MODULE: external "./logger.mjs"

;// CONCATENATED MODULE: ./src/StatsPlugin.ts





class StatsPlugin {
    apply(compiler) {
        bindLoggerToCompiler(logger, compiler, PLUGIN_IDENTIFIER);
        if (!this._enable) {
            return;
        }
        const res = this._statsManager.validate(compiler);
        if (!res) {
            return;
        }
        compiler.hooks.thisCompilation.tap('generateStats', (compilation)=>{
            compilation.hooks.processAssets.tapPromise({
                name: 'generateStats',
                // @ts-ignore use runtime variable in case peer dep not installed
                stage: compilation.constructor.PROCESS_ASSETS_STAGE_OPTIMIZE_TRANSFER
            }, async ()=>{
                if (this._options.manifest !== false) {
                    const existedStats = compilation.getAsset(this._statsManager.fileName);
                    // new rspack should hit
                    if (existedStats) {
                        let updatedStats = this._statsManager.updateStats(JSON.parse(existedStats.source.source().toString()), compiler);
                        if (typeof this._options.manifest === 'object' && this._options.manifest.additionalData) {
                            updatedStats = await this._options.manifest.additionalData({
                                stats: updatedStats,
                                compiler,
                                compilation,
                                bundler: this._bundler
                            }) || updatedStats;
                        }
                        compilation.updateAsset(this._statsManager.fileName, new compiler.webpack.sources.RawSource(JSON.stringify(updatedStats, null, 2)));
                        const updatedManifest = this._manifestManager.updateManifest({
                            compilation,
                            stats: updatedStats,
                            publicPath: this._statsManager.getPublicPath(compiler),
                            compiler,
                            bundler: this._bundler
                        });
                        const source = new compiler.webpack.sources.RawSource(JSON.stringify(updatedManifest, null, 2));
                        compilation.updateAsset(this._manifestManager.fileName, source);
                        return;
                    }
                    // webpack + legacy rspack
                    let stats = await this._statsManager.generateStats(compiler, compilation);
                    if (typeof this._options.manifest === 'object' && this._options.manifest.additionalData) {
                        stats = await this._options.manifest.additionalData({
                            stats,
                            compiler,
                            compilation,
                            bundler: this._bundler
                        }) || stats;
                    }
                    const manifest = await this._manifestManager.generateManifest({
                        compilation,
                        stats: stats,
                        publicPath: this._statsManager.getPublicPath(compiler),
                        compiler,
                        bundler: this._bundler
                    });
                    compilation.emitAsset(this._statsManager.fileName, new compiler.webpack.sources.RawSource(JSON.stringify(stats, null, 2)));
                    compilation.emitAsset(this._manifestManager.fileName, new compiler.webpack.sources.RawSource(JSON.stringify(manifest, null, 2)));
                }
            });
        });
    }
    constructor(options, { pluginVersion, bundler }){
        this.name = 'StatsPlugin';
        this._options = {};
        this._statsManager = new StatsManager();
        this._manifestManager = new ManifestManager();
        this._enable = true;
        this._bundler = 'webpack';
        try {
            this._options = options;
            this._bundler = bundler;
            this._statsManager.init(this._options, {
                pluginVersion,
                bundler
            });
            this._manifestManager.init(this._options);
        } catch (err) {
            if (err instanceof Error) {
                err.message = `[ ${PLUGIN_IDENTIFIER} ]: Manifest will not generate, because: ${err.message}`;
            }
            logger.error(err);
            this._enable = false;
        }
    }
}

export { StatsPlugin };