1 files changed, 127 insertions, 0 deletions
diff --git a/node_modules/css-tree/cjs/syntax/node/Condition.cjs b/node_modules/css-tree/cjs/syntax/node/Condition.cjs
new file mode 100644
index 00000000..a49b9989
--- /dev/null
+++ b/node_modules/css-tree/cjs/syntax/node/Condition.cjs
@@ -0,0 +1,127 @@
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const MediaFeatureToken = new Set([types.Colon, types.RightParenthesis, types.EOF]);
+const SupportsFeatureToken = new Set([types.Colon, types.EOF]);
+
+const name = 'Condition';
+const structure = {
+    kind: String,
+    children: [[
+        'Identifier',
+        'Feature',
+        'FeatureRange'
+    ]]
+};
+
+const conditions = {
+    media() {
+        if (this.tokenType === types.LeftParenthesis) {
+            const firstToken = this.lookupTypeNonSC(1);
+            if (firstToken === types.Ident && MediaFeatureToken.has(this.lookupTypeNonSC(2))) {
+                return this.Feature('media');
+            } else if (firstToken !== types.LeftParenthesis) {
+                return this.parseWithFallback(() => this.FeatureRange('media'), (startIndex) => {
+                    this.skip(startIndex - this.tokenIndex);
+                });
+            }
+        }
+    },
+    supports() {
+        if (this.tokenType === types.LeftParenthesis) {
+            if (this.lookupTypeNonSC(1) === types.Ident && SupportsFeatureToken.has(this.lookupTypeNonSC(2))) {
+                return this.Declaration();
+            }
+        }
+    },
+    container() {
+        if (this.tokenType === types.LeftParenthesis) {
+            if (this.lookupTypeNonSC(1) === types.Ident && MediaFeatureToken.has(this.lookupTypeNonSC(2))) {
+                return this.Feature('size');
+            } else if (this.lookupTypeNonSC(1) !== types.LeftParenthesis) {
+                return this.FeatureRange('size');
+            }
+        }
+    }
+};
+
+function parse(kind = 'media') {
+    const children = this.createList();
+    const termParser = conditions[kind];
+
+    scan: while (!this.eof) {
+        switch (this.tokenType) {
+            case types.Comment:
+            case types.WhiteSpace:
+                this.next();
+                continue;
+
+            case types.Ident:
+                children.push(this.Identifier());
+                break;
+
+            case types.LeftParenthesis: {
+                let term = termParser.call(this);
+
+                if (!term) {
+                    term = this.parseWithFallback(() => {
+                        this.next();
+                        const res = this.Condition(kind);
+                        this.eat(types.RightParenthesis);
+                        return res;
+                    }, (startIndex) => {
+                        this.skip(startIndex - this.tokenIndex);
+                        return this.GeneralEnclosed();
+                    });
+                }
+
+                children.push(term);
+                break;
+            }
+
+            case types.Function: {
+                let term = termParser.call(this);
+
+                if (!term) {
+                    term = this.GeneralEnclosed();
+                }
+
+                children.push(term);
+                break;
+            }
+
+            default:
+                break scan;
+        }
+    }
+
+    if (children.isEmpty) {
+        this.error('Condition can\'t be empty');
+    }
+
+    return {
+        type: 'Condition',
+        loc: this.getLocationFromList(children),
+        kind,
+        children
+    };
+}
+
+function generate(node) {
+    node.children.forEach(child => {
+        if (child.type === 'Condition') {
+            this.token(types.LeftParenthesis, '(');
+            this.node(child);
+            this.token(types.RightParenthesis, ')');
+        } else {
+            this.node(child);
+        }
+    });
+}
+
+exports.conditions = conditions;
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;