first commit

build/node_modules/postcss-csso/lib/postcssToCsso.js

@@ -0,0 +1,87 @@
+var parse = require('csso').syntax.parse;
+
+function getInfo(postcssNode) {
+    return {
+        postcssNode: postcssNode
+    };
+}
+
+function appendChildren(cssoNode, nodes) {
+    cssoNode.children.fromArray(nodes.map(postcssToCsso));
+    return cssoNode;
+}
+
+function parseToCsso(css, config, postcssNode) {
+    var cssoNode;
+
+    try {
+        cssoNode = parse(css || '', config);
+    } catch (e) {
+        if (e.name === 'CssSyntaxError') {
+            throw postcssNode.error(e.message, { index: e.offset });
+        }
+
+        throw e;
+    }
+
+    cssoNode.loc = getInfo(postcssNode);
+
+    return cssoNode;
+}
+
+function postcssToCsso(node) {
+    switch (node.type) {
+        case 'root':
+            return appendChildren(
+                parseToCsso('', { context: 'stylesheet' }, node),
+                node.nodes
+            );
+
+        case 'rule':
+            return {
+                type: 'Rule',
+                loc: getInfo(node),
+                prelude: parseToCsso(node.selector, { context: 'selectorList' }, node),
+                block: appendChildren(
+                    parseToCsso('{}', { context: 'block' }, node),
+                    node.nodes
+                )
+            };
+
+        case 'atrule':
+            var cssoNode = {
+                type: 'Atrule',
+                loc: getInfo(node),
+                name: node.name,
+                prelude: node.params
+                    ? parseToCsso(node.params, { context: 'atrulePrelude', atrule: node.name }, node)
+                    : null,
+                block: null
+            };
+
+            if (node.nodes) {
+                cssoNode.block = appendChildren(
+                    parseToCsso('{}', { context: 'block' }, node),
+                    node.nodes
+                );
+            }
+
+            return cssoNode;
+
+        case 'decl':
+            return parseToCsso(
+                (node.raws.before || '').trimLeft() + node.toString(),
+                { context: 'declaration' },
+                node
+            );
+
+        case 'comment':
+            return {
+                type: 'Comment',
+                loc: getInfo(node),
+                value: node.raws.left + node.text + node.raws.right
+            };
+    }
+}
+
+module.exports = postcssToCsso;