rollup-plugin-webpack-stats/dist/index.cjs

[](https://www.npmjs.com/package/rollup-plugin-webpack-stats) [](https://www.npmjs.com/package/rollup-plugin-webpack-stats)

'use strict';

var extractStats = require('rollup-plugin-stats/extract');
var transform = require('./chunks/transform.cjs');
var path = require('node:path');
var fs = require('node:fs/promises');
require('path');
require('node:crypto');

async function statsWrite(filepath, stats) {
    const content = JSON.stringify(stats, null, 2);
    // Create base directory if it does not exist
    await fs.mkdir(path.dirname(filepath), { recursive: true });
    await fs.writeFile(filepath, content);
    return {
        filepath,
        content,
    };
}

const PLUGIN_NAME = 'webpackStats';
const webpackStats = (options = {}) => ({
    name: PLUGIN_NAME,
    async generateBundle(outputOptions, bundle) {
        const resolvedOptions = typeof options === 'function' ? options(outputOptions) : options;
        const { fileName, excludeAssets, excludeModules, write = statsWrite, ...transformOptions } = resolvedOptions;
        const rollupStats = extractStats(bundle, {
            excludeAssets,
            excludeModules,
            // Extract stats source to compute size
            source: true,
        });
        const stats = transform.bundleToWebpackStats(rollupStats, transformOptions);
        const filepath = transform.resolveFilepath(fileName, outputOptions.dir);
        try {
            const res = await write(filepath, stats);
            const outputSize = transform.getByteSize(res.content);
            this.info(`Stats saved to ${res.filepath} (${transform.formatFileSize(outputSize)})`);
        }
        catch (error) { // eslint-disable-line
            // Log error, but do not throw to allow the compilation to continue
            this.warn(error);
        }
    },
});

module.exports = webpackStats;
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