add error for sourcePath

postcss · Apr 10, 2021 · ff2fd57 · ff2fd57
1 parent 8f02bdc
commit ff2fd57
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/lib/map-generator.js b/lib/map-generator.js
@@ -202,7 +202,11 @@ class MapGenerator {
     if (this.mapOpts.from) {
       return this.toUrl(this.mapOpts.from)
     } else if (this.mapOpts.absolute) {
-      return pathToFileURL(node.source.input.from).toString()
+      if(pathToFileURL) {
+        return pathToFileURL(node.source.input.from).toString()
+      } else {
+        throw new Error('map option "absolute" is not available in this postcss build')
+      }
     } else {
       return this.toUrl(this.path(node.source.input.from))
     }