first commit

node_modules/css-tree/lib/syntax/node/AtrulePrelude.js

@@ -0,0 +1,47 @@
+import {
+    Semicolon,
+    LeftCurlyBracket
+} from '../../tokenizer/index.js';
+
+export const name = 'AtrulePrelude';
+export const walkContext = 'atrulePrelude';
+export const structure = {
+    children: [[]]
+};
+
+export function parse(name) {
+    let children = null;
+
+    if (name !== null) {
+        name = name.toLowerCase();
+    }
+
+    this.skipSC();
+
+    if (hasOwnProperty.call(this.atrule, name) &&
+        typeof this.atrule[name].prelude === 'function') {
+        // custom consumer
+        children = this.atrule[name].prelude.call(this);
+    } else {
+        // default consumer
+        children = this.readSequence(this.scope.AtrulePrelude);
+    }
+
+    this.skipSC();
+
+    if (this.eof !== true &&
+        this.tokenType !== LeftCurlyBracket &&
+        this.tokenType !== Semicolon) {
+        this.error('Semicolon or block is expected');
+    }
+
+    return {
+        type: 'AtrulePrelude',
+        loc: this.getLocationFromList(children),
+        children
+    };
+}
+
+export function generate(node) {
+    this.children(node);
+}