rollup-plugin-bundle-stats/lib/index.js

In-depth bundle analyzer for rollup(bundle size, assets, modules, packages)

'use strict';

Object.defineProperty(exports, "__esModule", { value: true });
exports.bundleStats = void 0;
const tslib_1 = require("tslib");
const path = tslib_1.__importStar(require("path"));
const fs = tslib_1.__importStar(require("fs/promises"));
// @ts-ignore
const transform_1 = require("rollup-plugin-webpack-stats/transform");
const cli_utils_1 = require("@bundle-stats/cli-utils");
const NAME = 'bundleStats';
function resolveAbsoluteOutputPath(outputPath) {
    if (!outputPath) {
        return process.cwd();
    }
    if (path.isAbsolute(outputPath)) {
        return outputPath;
    }
    return path.join(process.cwd(), outputPath);
}
const bundleStats = (options = {}) => ({
    name: NAME,
    async generateBundle(outputOptions, bundle) {
        const outputPath = resolveAbsoluteOutputPath(outputOptions.dir);
        const log = this.info || console.info; // eslint-disable-line no-console
        const source = (0, transform_1.bundleToWebpackStats)(bundle);
        const reports = await (0, cli_utils_1.generateReports)(source, options, { outputPath });
        await Promise.all(Object.entries(reports).map(async ([relativeFilepath, report]) => {
            log(`Write bundle-stats ${report.type} to ${relativeFilepath}`);
            const baseDirectory = path.dirname(report.filepath);
            // Generate output parent directory in case is missing
            await fs.mkdir(baseDirectory, { recursive: true });
            return fs.writeFile(report.filepath, report.source);
        }));
    },
});
exports.bundleStats = bundleStats;
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