3 files changed, 13 insertions, 5 deletions
diff --git a/node_modules/postcss/lib/map-generator.js b/node_modules/postcss/lib/map-generator.js
index ea1ef5ec..71b21caa 100644
--- a/node_modules/postcss/lib/map-generator.js
+++ b/node_modules/postcss/lib/map-generator.js
@@ -98,9 +98,14 @@ class MapGenerator {
     } else if (this.previous().length === 1) {
       let prev = this.previous()[0].consumer()
       prev.file = this.outputFile()
-      this.map = SourceMapGenerator.fromSourceMap(prev)
+      this.map = SourceMapGenerator.fromSourceMap(prev, {
+        ignoreInvalidMapping: true
+      })
     } else {
-      this.map = new SourceMapGenerator({ file: this.outputFile() })
+      this.map = new SourceMapGenerator({
+        file: this.outputFile(),
+        ignoreInvalidMapping: true
+      })
       this.map.addMapping({
         generated: { column: 0, line: 1 },
         original: { column: 0, line: 1 },
@@ -123,7 +128,10 @@ class MapGenerator {
 
   generateString() {
     this.css = ''
-    this.map = new SourceMapGenerator({ file: this.outputFile() })
+    this.map = new SourceMapGenerator({
+      file: this.outputFile(),
+      ignoreInvalidMapping: true
+    })
 
     let line = 1
     let column = 1
diff --git a/node_modules/postcss/lib/node.js b/node_modules/postcss/lib/node.js
index d79dd56e..9e747ca7 100644
--- a/node_modules/postcss/lib/node.js
+++ b/node_modules/postcss/lib/node.js
@@ -241,7 +241,7 @@ class Node {
           column: opts.end.column,
           line: opts.end.line
         }
-      } else if (opts.endIndex) {
+      } else if (typeof opts.endIndex === 'number') {
         end = this.positionInside(opts.endIndex)
       } else if (opts.index) {
         end = this.positionInside(opts.index + 1)
diff --git a/node_modules/postcss/lib/processor.js b/node_modules/postcss/lib/processor.js
index b9e587cd..d8a16f45 100644
--- a/node_modules/postcss/lib/processor.js
+++ b/node_modules/postcss/lib/processor.js
@@ -7,7 +7,7 @@ let Root = require('./root')
 
 class Processor {
   constructor(plugins = []) {
-    this.version = '8.4.35'
+    this.version = '8.4.38'
     this.plugins = this.normalize(plugins)
   }