fix: postcss version warning in console

Author: jptissot

gulpfile.js

@@ -21,7 +21,6 @@ var fs = require("file-system"),
   eol = require("gulp-eol"),
   util = require("gulp-util"),
   postcss = require("gulp-postcss"),
-  rtl = require("postcss-rtl"),
   babel = require("gulp-babel");
 
 // For compat with older versions of Node.js.
@@ -247,9 +246,6 @@ function buildCssPipeline(assetGroup, doConcat, doRebuild) {
   var generateSourceMaps = assetGroup.hasOwnProperty("generateSourceMaps")
     ? assetGroup.generateSourceMaps
     : true;
-  var generateRTL = assetGroup.hasOwnProperty("generateRTL")
-    ? assetGroup.generateRTL
-    : false;
   var containsLessOrScss = assetGroup.inputPaths.some(function (inputPath) {
     var ext = path.extname(inputPath).toLowerCase();
     return ext === ".less" || ext === ".scss";
@@ -285,7 +281,6 @@ function buildCssPipeline(assetGroup, doConcat, doRebuild) {
       )
     )
     .pipe(gulpif(doConcat, concat(assetGroup.outputFileName)))
-    .pipe(gulpif(generateRTL, postcss([rtl()])))
     .pipe(
       minify({
         minify: true,
@@ -343,7 +338,6 @@ function buildCssPipeline(assetGroup, doConcat, doRebuild) {
         "*/\n\n"
       )
     )
-    .pipe(gulpif(generateRTL, postcss([rtl()])))
     .pipe(gulpif(generateSourceMaps, sourcemaps.write()))
     .pipe(eol())
     .pipe(gulp.dest(assetGroup.outputDir));

package-lock.json

@@ -52,8 +52,7 @@
     "merge-stream": "2.0.0",
     "npm-run-all": "4.1.5",
     "path-posix": "1.0.0",
-    "postcss": "7.0.32",
-    "postcss-rtl": "1.7.3",
+    "postcss": "8.1.10",
     "typescript": "4.1.2"
   }
 }