refactor: only output when any chunk is fulfilled (#468)

Author: laysent

src/index.js

@@ -514,8 +514,11 @@ class MiniCssExtractPlugin {
                     return [
                       ` * ${m.readableIdentifier(requestShortener)}`,
                       `   - couldn't fulfill desired order of chunk group(s) ${failedChunkGroups}`,
-                      `   - while fulfilling desired order of chunk group(s) ${goodChunkGroups}`,
-                    ].join('\n');
+                      goodChunkGroups &&
+                        `   - while fulfilling desired order of chunk group(s) ${goodChunkGroups}`,
+                    ]
+                      .filter(Boolean)
+                      .join('\n');
                   }),
                 ].join('\n')
               )

test/cases/ignoreOrderFalseWithoutGoodChunks/e1.css

@@ -0,0 +1,3 @@
+body {
+  content: 'e1';
+}

test/cases/ignoreOrderFalseWithoutGoodChunks/e2.css

@@ -0,0 +1,3 @@
+body {
+  content: 'e2';
+}

test/cases/ignoreOrderFalseWithoutGoodChunks/e3.css

@@ -0,0 +1,3 @@
+body {
+  content: 'e3';
+}

test/cases/ignoreOrderFalseWithoutGoodChunks/e4.css

@@ -0,0 +1,3 @@
+body {
+  content: 'e4';
+}

test/cases/ignoreOrderFalseWithoutGoodChunks/expected/styles.css

@@ -0,0 +1,16 @@
+body {
+  content: 'e1';
+}
+
+body {
+  content: 'e4';
+}
+
+body {
+  content: 'e2';
+}
+
+body {
+  content: 'e3';
+}
+

test/cases/ignoreOrderFalseWithoutGoodChunks/index.js

@@ -0,0 +1 @@
+import './e1.css';

test/cases/ignoreOrderFalseWithoutGoodChunks/index2.js

@@ -0,0 +1,2 @@
+import './e2.css';
+import './e1.css';

test/cases/ignoreOrderFalseWithoutGoodChunks/index3.js

@@ -0,0 +1,3 @@
+import './e3.css';
+import './e4.css';
+import './e2.css';

test/cases/ignoreOrderFalseWithoutGoodChunks/index4.js

@@ -0,0 +1,3 @@
+import './e4.css';
+import './e2.css';
+import './e3.css';