@angular/cli/models/webpack-config.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const webpackMerge = require('webpack-merge');
const config_1 = require("./config");
const webpack_configs_1 = require("./webpack-configs");
const path = require('path');
class NgCliWebpackConfig {
    constructor(buildOptions, appConfig) {
        this.validateBuildOptions(buildOptions);
        const configPath = config_1.CliConfig.configFilePath();
        const projectRoot = path.dirname(configPath);
        appConfig = this.addAppConfigDefaults(appConfig);
        buildOptions = this.addTargetDefaults(buildOptions);
        buildOptions = this.mergeConfigs(buildOptions, appConfig);
        this.wco = { projectRoot, buildOptions, appConfig };
    }
    buildConfig() {
        let webpackConfigs = [
            webpack_configs_1.getCommonConfig(this.wco),
            webpack_configs_1.getBrowserConfig(this.wco),
            webpack_configs_1.getStylesConfig(this.wco),
            this.getTargetConfig(this.wco)
        ];
        if (this.wco.appConfig.main || this.wco.appConfig.polyfills) {
            const typescriptConfigPartial = this.wco.buildOptions.aot
                ? webpack_configs_1.getAotConfig(this.wco)
                : webpack_configs_1.getNonAotConfig(this.wco);
            webpackConfigs.push(typescriptConfigPartial);
        }
        this.config = webpackMerge(webpackConfigs);
        return this.config;
    }
    getTargetConfig(webpackConfigOptions) {
        switch (webpackConfigOptions.buildOptions.target) {
            case 'development':
                return webpack_configs_1.getDevConfig(webpackConfigOptions);
            case 'production':
                return webpack_configs_1.getProdConfig(webpackConfigOptions);
        }
    }
    // Validate build options
    validateBuildOptions(buildOptions) {
        buildOptions.target = buildOptions.target || 'development';
        if (buildOptions.target !== 'development' && buildOptions.target !== 'production') {
            throw new Error("Invalid build target. Only 'development' and 'production' are available.");
        }
    }
    // Fill in defaults for build targets
    addTargetDefaults(buildOptions) {
        const targetDefaults = {
            development: {
                environment: 'dev',
                outputHashing: 'media',
                sourcemap: true,
                extractCss: false
            },
            production: {
                environment: 'prod',
                outputHashing: 'all',
                sourcemap: false,
                extractCss: true,
                aot: true
            }
        };
        return Object.assign({}, targetDefaults[buildOptions.target], buildOptions);
    }
    // Fill in defaults from .angular-cli.json
    mergeConfigs(buildOptions, appConfig) {
        const mergeableOptions = {
            outputPath: appConfig.outDir,
            deployUrl: appConfig.deployUrl
        };
        return Object.assign({}, mergeableOptions, buildOptions);
    }
    addAppConfigDefaults(appConfig) {
        const appConfigDefaults = {
            testTsconfig: appConfig.tsconfig,
            scripts: [],
            styles: []
        };
        // can't use Object.assign here because appConfig has a lot of getters/setters
        for (let key of Object.keys(appConfigDefaults)) {
            appConfig[key] = appConfig[key] || appConfigDefaults[key];
        }
        return appConfig;
    }
}
exports.NgCliWebpackConfig = NgCliWebpackConfig;
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