postcss,(plugins): nanocss, postcss-preset-env

1 files changed, 70 insertions, 0 deletions

diff --git a/node_modules/css-tree/cjs/syntax/node/MediaCondition.cjs b/node_modules/css-tree/cjs/syntax/node/MediaCondition.cjs
new file mode 100644
index 00000000..c98fdc8f
--- /dev/null
+++ b/node_modules/css-tree/cjs/syntax/node/MediaCondition.cjs
@@ -0,0 +1,70 @@
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const MediaFeatureToken = new Set([types.Colon, types.RightParenthesis, types.EOF]);
+
+const name = 'MediaCondition';
+const structure = {
+    children: [[
+        'Identifier',
+        'MediaFeature',
+        'MediaFeatureRange'
+    ]]
+};
+
+function parse() {
+    const children = this.createList();
+
+    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:
+                if (this.lookupTypeNonSC(1) === types.Ident && MediaFeatureToken.has(this.lookupTypeNonSC(2))) {
+                    children.push(this.MediaFeature());
+                } else if (this.lookupTypeNonSC(1) === types.LeftParenthesis || this.lookupTypeNonSC(2) === types.LeftParenthesis) {
+                    this.next();
+                    children.push(this.MediaCondition());
+                    this.eat(types.RightParenthesis);
+                } else {
+                    children.push(this.MediaFeatureRange());
+                }
+
+                break;
+
+            default:
+                break scan;
+        }
+    }
+
+    return {
+        type: 'MediaCondition',
+        loc: this.getLocationFromList(children),
+        children
+    };
+}
+
+function generate(node) {
+    node.children.forEach(child => {
+        if (child.type === 'MediaCondition') {
+            this.token(types.LeftParenthesis, '(');
+            this.node(child);
+            this.token(types.RightParenthesis, ')');
+        } else {
+            this.node(child);
+        }
+    });
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;