UX: Explain why build is failing (facebook#1352)

jayphelps · Daniel Figueiredo · commit dff04fe4305f · 2017-02-22T13:04:02.000-05:00
diff --git a/packages/react-scripts/scripts/build.js b/packages/react-scripts/scripts/build.js
@@ -144,7 +144,7 @@ function build(previousSizeMap) {
     }
 
     if (process.env.CI && stats.compilation.warnings.length) {
-     printErrors('Failed to compile.', stats.compilation.warnings);
+     printErrors('Failed to compile. When process.env.CI = true, warnings are treated as failures. Most CI servers set this automatically.', stats.compilation.warnings);
      process.exit(1);
    }
 

Original file line number	Diff line number	Diff line change
`@@ -144,7 +144,7 @@ function build(previousSizeMap) {`
`144`	`144`	`}`
`145`	`145`
`146`	`146`	`if (process.env.CI && stats.compilation.warnings.length) {`
`147`		`- printErrors('Failed to compile.', stats.compilation.warnings);`
	`147`	`+ printErrors('Failed to compile. When process.env.CI = true, warnings are treated as failures. Most CI servers set this automatically.', stats.compilation.warnings);`
`148`	`148`	`process.exit(1);`
`149`	`149`	`}`
`150`	`150`