1 files changed, 0 insertions, 41 deletions
diff --git a/node_modules/csso/lib/restructure/prepare/index.js b/node_modules/csso/lib/restructure/prepare/index.js
deleted file mode 100644
index fc08082e..00000000
--- a/node_modules/csso/lib/restructure/prepare/index.js
+++ /dev/null
@@ -1,41 +0,0 @@
-import { walk, generate, keyword as resolveKeyword } from 'css-tree';
-import createDeclarationIndexer from './createDeclarationIndexer.js';
-import processSelector from './processSelector.js';
-
-export default function prepare(ast, options) {
-    const markDeclaration = createDeclarationIndexer();
-
-    walk(ast, {
-        visit: 'Rule',
-        enter(node) {
-            node.block.children.forEach(markDeclaration);
-            processSelector(node, options.usage);
-        }
-    });
-
-    walk(ast, {
-        visit: 'Atrule',
-        enter(node) {
-            if (node.prelude) {
-                node.prelude.id = null; // pre-init property to avoid multiple hidden class for generate
-                node.prelude.id = generate(node.prelude);
-            }
-
-            // compare keyframe selectors by its values
-            // NOTE: still no clarification about problems with keyframes selector grouping (issue #197)
-            if (resolveKeyword(node.name).basename === 'keyframes') {
-                node.block.avoidRulesMerge = true;  /* probably we don't need to prevent those merges for @keyframes
-                                                       TODO: need to be checked */
-                node.block.children.forEach(function(rule) {
-                    rule.prelude.children.forEach(function(simpleselector) {
-                        simpleselector.compareMarker = simpleselector.id;
-                    });
-                });
-            }
-        }
-    });
-
-    return {
-        declaration: markDeclaration
-    };
-};