97 lines
2.9 KiB
JavaScript
97 lines
2.9 KiB
JavaScript
const constants = require('../../constants');
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const fs = require('../../core/fs');
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const ProcessWrapper = require('../../core/processes/processWrapper');
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const webpack = require('webpack');
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const writeFile = require('util').promisify(require('fs').writeFile);
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const {errorMessage} = require('../../utils/utils');
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const WebpackConfigReader = require('./webpackConfigReader');
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let webpackProcess;
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class WebpackProcess extends ProcessWrapper {
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constructor(options) {
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super(options);
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this.webpackConfigName = options.webpackConfigName;
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this.pipelineConfig = options.pipelineConfig;
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}
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async build(assets, importsList, callback) {
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try {
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await this.webpackRun(assets, importsList, callback);
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} catch (e) {
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callback(errorMessage(e));
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}
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}
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async webpackRun(assets, importsList, callback) {
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try {
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await writeFile(
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fs.dappPath('.embark/embark-aliases.json'),
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JSON.stringify(importsList)
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);
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await writeFile(
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fs.dappPath('.embark/embark-assets.json'),
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JSON.stringify(assets)
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);
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await writeFile(
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fs.dappPath('.embark/embark-pipeline.json'),
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JSON.stringify(this.pipelineConfig)
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);
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} catch (e) {
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return callback(errorMessage(e));
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}
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const configReader = new WebpackConfigReader({webpackConfigName: this.webpackConfigName});
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configReader.readConfig((err, config) => {
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if (err) {
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return callback(err);
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}
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if (typeof config !== 'object' || config === null) {
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return callback('bad webpack config, the resolved config was null or not an object');
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}
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webpack(config).run(async (err, stats) => {
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if (err) {
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return callback(errorMessage(err));
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}
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if (!config.stats || config.stats === 'none') {
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return callback();
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}
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try {
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this._log('info', 'writing file ' + ('.embark/stats.report').bold.dim);
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await writeFile(
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fs.dappPath('.embark/stats.report'),
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stats.toString(config.stats)
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);
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this._log('info', 'writing file ' + ('.embark/stats.json').bold.dim);
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await writeFile(
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fs.dappPath('.embark/stats.json'),
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JSON.stringify(stats.toJson(config.stats))
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);
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if (stats.hasErrors()) {
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const errors = stats.toJson(config.stats).errors.join('\n');
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return callback(errors);
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}
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callback();
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} catch (e) {
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return callback(errorMessage(e));
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}
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});
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});
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}
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}
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process.on('message', (msg) => {
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if (msg.action === constants.pipeline.init) {
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webpackProcess = new WebpackProcess(msg.options);
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return process.send({result: constants.pipeline.initiated});
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}
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if (msg.action === constants.pipeline.build) {
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return webpackProcess.build(msg.assets, msg.importsList, (err) => {
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process.send({result: constants.pipeline.built, error: err});
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});
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}
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});
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