@angular/cli/tasks/build.js

"use strict";
const rimraf = require('rimraf');
const path = require('path');
const Task = require('../ember-cli/lib/models/task');
const SilentError = require('silent-error');
const webpack = require('webpack');
const webpack_config_1 = require('../models/webpack-config');
const utils_1 = require('../models/webpack-configs/utils');
const config_1 = require('../models/config');
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = Task.extend({
    run: function (runTaskOptions) {
        const project = this.cliProject;
        const outputPath = runTaskOptions.outputPath || config_1.CliConfig.fromProject().config.apps[0].outDir;
        if (project.root === outputPath) {
            throw new SilentError('Output path MUST not be project root directory!');
        }
        rimraf.sync(path.resolve(project.root, outputPath));
        const webpackConfig = new webpack_config_1.NgCliWebpackConfig(runTaskOptions).config;
        const webpackCompiler = webpack(webpackConfig);
        const statsConfig = utils_1.getWebpackStatsConfig(runTaskOptions.verbose);
        return new Promise((resolve, reject) => {
            const callback = (err, stats) => {
                if (err) {
                    return reject(err);
                }
                this.ui.writeLine(stats.toString(statsConfig));
                if (runTaskOptions.watch) {
                    return;
                }
                if (stats.hasErrors()) {
                    reject();
                }
                else {
                    resolve();
                }
            };
            if (runTaskOptions.watch) {
                webpackCompiler.watch({}, callback);
            }
            else {
                webpackCompiler.run(callback);
            }
        })
            .catch((err) => {
            if (err) {
                this.ui.writeError('\nAn error occured during the build:\n' + ((err && err.stack) || err));
            }
            throw err;
        });
    }
});
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