varan/dist/lib/buildServer.js

A webpack starter kit for offline-first bring-your-own-code apps with server side rendering

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const lodash_1 = require("lodash");
const webpack_1 = __importDefault(require("webpack"));
const BuildError_1 = __importDefault(require("./BuildError"));
// Init
const getOpts = (options) => lodash_1.defaults({}, options, {});
// Exports
async function buildServer(config, options) {
    const opts = getOpts(options);
    const compiler = webpack_1.default(config);
    if (opts.inputFileSystem)
        compiler.inputFileSystem = opts.inputFileSystem;
    if (opts.outputFileSystem)
        compiler.outputFileSystem = opts.outputFileSystem;
    // Create builder promise
    return new Promise((resolve, reject) => {
        // Watch
        const watcher = compiler.watch({}, (err, stats) => {
            if (err)
                return reject(err);
            const out = {
                watcher,
                compiler,
                stats,
                errors: [],
                warnings: [],
            };
            const info = stats.toJson();
            out.errors = info.errors;
            out.warnings = info.warnings;
            if (stats.hasErrors() || info.errors.length > 0) {
                const buildError = new BuildError_1.default('Build failed with errors');
                buildError.errors = out.errors;
                buildError.warnings = out.warnings;
                return reject(buildError);
            }
            return resolve(out);
        });
    });
}
exports.default = buildServer;
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