feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

1 files changed, 66 insertions, 0 deletions

diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Scope.js b/vanilla/node_modules/css-tree/lib/syntax/node/Scope.js
new file mode 100644
index 0000000..650b035
--- /dev/null
+++ b/vanilla/node_modules/css-tree/lib/syntax/node/Scope.js
@@ -0,0 +1,66 @@
+import {
+    Ident,
+    LeftParenthesis,
+    RightParenthesis
+} from '../../tokenizer/index.js';
+
+export const name = 'Scope';
+export const structure = {
+    root: ['SelectorList', 'Raw', null],
+    limit: ['SelectorList', 'Raw', null]
+};
+
+export function parse() {
+    let root = null;
+    let limit = null;
+
+    this.skipSC();
+
+    const startOffset = this.tokenStart;
+    if (this.tokenType === LeftParenthesis) {
+        this.next();
+        this.skipSC();
+        root = this.parseWithFallback(
+            this.SelectorList,
+            () => this.Raw(false, true)
+        );
+        this.skipSC();
+        this.eat(RightParenthesis);
+    }
+
+    if (this.lookupNonWSType(0) === Ident) {
+        this.skipSC();
+        this.eatIdent('to');
+        this.skipSC();
+        this.eat(LeftParenthesis);
+        this.skipSC();
+        limit = this.parseWithFallback(
+            this.SelectorList,
+            () => this.Raw(false, true)
+        );
+        this.skipSC();
+        this.eat(RightParenthesis);
+    }
+
+    return {
+        type: 'Scope',
+        loc: this.getLocation(startOffset, this.tokenStart),
+        root,
+        limit
+    };
+}
+
+export function generate(node) {
+    if (node.root) {
+        this.token(LeftParenthesis, '(');
+        this.node(node.root);
+        this.token(RightParenthesis, ')');
+    }
+
+    if (node.limit) {
+        this.token(Ident, 'to');
+        this.token(LeftParenthesis, '(');
+        this.node(node.limit);
+        this.token(RightParenthesis, ')');
+    }
+}