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

1 files changed, 76 insertions, 0 deletions

diff --git a/node_modules/css-tree/cjs/syntax/node/MediaFeature.cjs b/node_modules/css-tree/cjs/syntax/node/MediaFeature.cjs
new file mode 100644
index 00000000..90e8d5a8
--- /dev/null
+++ b/node_modules/css-tree/cjs/syntax/node/MediaFeature.cjs
@@ -0,0 +1,76 @@
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'MediaFeature';
+const structure = {
+    name: String,
+    value: ['Identifier', 'Number', 'Dimension', 'Ratio', null]
+};
+
+function parse() {
+    const start = this.tokenStart;
+    let name;
+    let value = null;
+
+    this.eat(types.LeftParenthesis);
+    this.skipSC();
+
+    name = this.consume(types.Ident);
+    this.skipSC();
+
+    if (this.tokenType !== types.RightParenthesis) {
+        this.eat(types.Colon);
+        this.skipSC();
+
+        switch (this.tokenType) {
+            case types.Number:
+                if (this.lookupNonWSType(1) === types.Delim) {
+                    value = this.Ratio();
+                } else {
+                    value = this.Number();
+                }
+
+                break;
+
+            case types.Dimension:
+                value = this.Dimension();
+                break;
+
+            case types.Ident:
+                value = this.Identifier();
+                break;
+
+            default:
+                this.error('Number, dimension, ratio or identifier is expected');
+        }
+
+        this.skipSC();
+    }
+
+    this.eat(types.RightParenthesis);
+
+    return {
+        type: 'MediaFeature',
+        loc: this.getLocation(start, this.tokenStart),
+        name,
+        value
+    };
+}
+
+function generate(node) {
+    this.token(types.LeftParenthesis, '(');
+    this.token(types.Ident, node.name);
+
+    if (node.value !== null) {
+        this.token(types.Colon, ':');
+        this.node(node.value);
+    }
+
+    this.token(types.RightParenthesis, ')');
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;