Merge b2b65f9 into b9c1add

webpack-contrib · Dec 12, 2017 · 399fb95 · 399fb95
2 parents b9c1add + b2b65f9
commit 399fb95
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/index.js b/lib/index.js
@@ -136,7 +136,7 @@ module.exports = function loader (css, map) {
       css = this.exec(css, this.resource)
     }
 
-    if (!sourceMap && map) {
+    if (sourceMap === undefined && map) {
       this.emitWarning(`\n\n ⚠️  PostCSS Loader\n\nPrevious source map found, but options.sourceMap isn't set.\nIn this case the loader will discard the source map entirely for performance reasons.\nSee https://github.com/postcss/postcss-loader#sourcemap for more information.\n\n`)
     }