node_modules/postcss/lib/previous-map.js
@@ -51,7 +51,8 @@ return fromBase64(text.substr(baseUriMatch[0].length)) } let encoding = text.match(/data:application\/json;([^,]+),/)[1] let encoding = text.slice('data:application/json;'.length) encoding = encoding.slice(0, encoding.indexOf(',')) throw new Error('Unsupported source map encoding ' + encoding) }