split commas followed by non-whitespace

packages/vite/src/node/utils.ts

@@ -769,29 +769,8 @@ export function processSrcSetSync(
   )
 }
 
-const cleanSrcSetRE =
-  /(?:url|image|gradient|cross-fade)\([^)]*\)|"([^"]|(?<=\\)")*"|'([^']|(?<=\\)')*'|data:\w+\/[\w.+\-]+;base64,[\w+/=]+|[^\s?]*\?\S*,\S*/g
 function splitSrcSet(srcs: string) {
-  const parts: string[] = []
-  /**
-   * There could be a ',' inside of:
-   * - url(data:...)
-   * - linear-gradient(...)
-   * - "data:..."
-   * - data:...
-   * - query parameter ?...
-   */
-  const cleanedSrcs = srcs.replace(cleanSrcSetRE, blankReplacer)
-  let startIndex = 0
-  let splitIndex: number
-  do {
-    splitIndex = cleanedSrcs.indexOf(',', startIndex)
-    parts.push(
-      srcs.slice(startIndex, splitIndex !== -1 ? splitIndex : undefined),
-    )
-    startIndex = splitIndex + 1
-  } while (splitIndex !== -1)
-  return parts
+  return srcs.split(/,\s+/)
 }
 
 const windowsDriveRE = /^[A-Z]:/