feat(cli): adds standard output flag (#1206)

* chore: add standard output flag to list

* chore: support standard output

* chore: update help snapshot

* test: add test for standard

Author: rishabh3112

lib/groups/StatsGroup.js

@@ -10,7 +10,7 @@ class StatsGroup extends GroupHelper {
 
     resolveOptions() {
         Object.keys(this.args).forEach(arg => {
-            if (['quiet', 'verbose', 'json', 'silent'].includes(arg)) {
+            if (['quiet', 'verbose', 'json', 'silent', 'standard'].includes(arg)) {
                 this.opts.outputOptions[arg] = this.args[arg];
             } else {
                 this.opts.options[arg] = this.args[arg];

lib/utils/Compiler.js

@@ -67,14 +67,18 @@ class Compiler {
     }
 
     generateOutput(outputOptions, stats, statsErrors, processingMessageBuffer) {
-        const statsObj = stats.toJson(outputOptions);
-        if (statsObj.children && statsObj.children.length) {
-            statsObj.children.forEach(child => {
-                this.output.generateFancyOutput(child, statsErrors, processingMessageBuffer);
-            });
-            return;
+        if (outputOptions.standard) {
+            this.output.generateRawOutput(stats);
+        } else {
+            const statsObj = stats.toJson(outputOptions);
+            if (statsObj.children && statsObj.children.length) {
+                statsObj.children.forEach(child => {
+                    this.output.generateFancyOutput(child, statsErrors, processingMessageBuffer);
+                });
+                return;
+            }
+            this.output.generateFancyOutput(statsObj, statsErrors, processingMessageBuffer);
         }
-        this.output.generateFancyOutput(statsObj, statsErrors, processingMessageBuffer);
         process.stdout.write('\n');
         if (outputOptions.watch) {
             logger.info('watching files for updates...');

lib/utils/CompilerOutput.js

@@ -108,7 +108,9 @@ class CompilerOutput {
         return statsObj;
     }
 
-    generateRawOutput() {}
+    generateRawOutput(stats) {
+        process.stdout.write(stats.toString());
+    }
 
     generateJsonOutput() {}
 

lib/utils/cli-flags.js

@@ -256,6 +256,13 @@ module.exports = {
             description: 'Prints result as JSON',
             group: DISPLAY_GROUP,
         },
+        {
+            name: 'standard',
+            usage: '--standard',
+            type: Boolean,
+            description: 'Prints standard output',
+            group: DISPLAY_GROUP,
+        },
         {
             name: 'dev',
             usage: '--dev',

test/help/__snapshots__/help-single-arg.test.js.snap

@@ -41,6 +41,7 @@ Options
   -s, --sourcemap string   Determine source maps to use                     
   --prefetch string        Prefetch this request                            
   -j, --json               Prints result as JSON                            
+  --standard               Prints standard output                           
   -d, --dev                Run development build                            
   -p, --prod               Run production build                             
   --version                Get current version                              

test/standard/src/index.js

@@ -0,0 +1 @@
+console.log("Test");

test/standard/standard.test.js

@@ -0,0 +1,13 @@
+const { run } = require('../utils/test-utils');
+
+describe('standard flag', () => {
+    it('should print standard output', () => {
+        const { stdout, stderr } = run(__dirname, ['--standard']);
+        expect(stdout).toBeTruthy();
+        expect(stdout).toContain('Hash');
+        expect(stdout).toContain('Version');
+        expect(stdout).toContain('Built at');
+        expect(stdout).toContain('Time');
+        expect(stderr).toBeFalsy();
+    });
+});