How to use

toJson

function

in

Stats

 return reject(err);
const messages = formatWebpackMessages(stats.toJson({}, true));
if (messages.errors.length) {
 return reject(new Error(messages.errors.join('\n\n')));

} else {
 messages = formatWebpackMessages(
  stats.toJson({ all: false, warnings: true, errors: true })
 );

} else {
  messages = formatWebpackMessages(
    stats.toJson({ all: false, warnings: true, errors: true })
  );

compiler.watch(opts.watchOpts, (err, stats) => {
    if (err) return this.console.error(err);
    let json = stats.toJson({}, true);
    printErrors.call(this, json);
    if (this.emit) this.emit('webpack.stats', stats);
    printStats.call(this, json);
    this.console.log('实时编译:', Date.now());
    next();
   });

compiler.run((err, stats) => {
    if (err) {
     console.error(err.stack || err);
     if (err.details) {
      this.console.error(err.details);
     }
     return;
    }

    const info = stats.toJson();

    if (stats.hasErrors()) {
     return this.console.error(info.errors);
    }
    this.console.info('完成');
    next();
   });

compiler.watch(opts.watchOpts, (err, stats) => {
    if (err) return this.console.error(err);
    if (stats.hasErrors()) {
     let json = stats.toJson();
     this.console.error(json.errors.join(os.EOL + os.EOL));
    }
    this.console.log('实时编译:', Date.now());
    next();
   });

compiler.run((err, stats) => {
    if (err) return this.console.error('error:', err);
    let json = stats.toJson();
    if (stats.hasErrors()) {
     return this.console.error(json.errors.join(os.EOL + os.EOL));
    }
    this.console.log('');
    utils.each(json.assetsByChunkName, (chunkName, assets) => {
     this.console.info(`Chunk: ${chunkName}`);
     if (utils.isArray(assets)) {
      this.console.log(assets.map(name => ` file: ${name}`).join(os.EOL));
     }
     this.console.log('');
    });
    this.console.info('完成');
    next();
   });

compiler.run((err, stats) => {
    if (err) throw err;
    let json = stats.toJson({}, true);
    printErrors.call(this, json);
    if (this.emit) this.emit('webpack.stats', stats);
    this.console.log('');
    utils.each(json.assetsByChunkName, (chunkName, assets) => {
     this.console.info(`Chunk: ${chunkName}`);
     if (utils.isArray(assets)) {
      this.console.log(
       assets.map(name => ` file: ${name}`).join(os.EOL)
      );
     }
     this.console.log('');
    });
    printStats.call(this, json);
    this.console.info('完成');
    next();
   });

} else {
 messages = formatWebpackMessages(
  stats.toJson({ all: false, warnings: true, errors: true })
 );

} else {
  messages = formatWebpackMessages(
    stats.toJson({ all: false, warnings: true, errors: true })
  );

compiler.watch(opts.watchOpts, (err, stats) => {
    if (err) return this.console.error(err);
    let json = stats.toJson({}, true);
    printErrors.call(this, json);
    if (this.emit) this.emit('webpack.stats', stats);
    printStats.call(this, json);
    this.console.log('实时编译:', Date.now());
    next();
   });

compiler.watch(opts.watchOpts, (err, stats) => {
    if (err) return this.console.error(err);
    if (stats.hasErrors()) {
     let json = stats.toJson();
     this.console.error(json.errors.join(os.EOL + os.EOL));
    }
    this.console.log('实时编译:', Date.now());
    next();
   });

compiler.run((err, stats) => {
    if (err) {
     console.error(err.stack || err);
     if (err.details) {
      this.console.error(err.details);
     }
     return;
    }

    const info = stats.toJson();

    if (stats.hasErrors()) {
     return this.console.error(info.errors);
    }
    this.console.info('完成');
    next();
   });

compiler.run((err, stats) => {
    if (err) return this.console.error('error:', err);
    let json = stats.toJson();
    if (stats.hasErrors()) {
     return this.console.error(json.errors.join(os.EOL + os.EOL));
    }
    this.console.log('');
    utils.each(json.assetsByChunkName, (chunkName, assets) => {
     this.console.info(`Chunk: ${chunkName}`);
     if (utils.isArray(assets)) {
      this.console.log(assets.map(name => ` file: ${name}`).join(os.EOL));
     }
     this.console.log('');
    });
    this.console.info('完成');
    next();
   });

compiler.run((err, stats) => {
    if (err) throw err;
    let json = stats.toJson({}, true);
    printErrors.call(this, json);
    if (this.emit) this.emit('webpack.stats', stats);
    this.console.log('');
    utils.each(json.assetsByChunkName, (chunkName, assets) => {
     this.console.info(`Chunk: ${chunkName}`);
     if (utils.isArray(assets)) {
      this.console.log(
       assets.map(name => ` file: ${name}`).join(os.EOL)
      );
     }
     this.console.log('');
    });
    printStats.call(this, json);
    this.console.info('完成');
    next();
   });