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

1 files changed, 96 insertions, 0 deletions

diff --git a/node_modules/css-tree/cjs/syntax/node/Block.cjs b/node_modules/css-tree/cjs/syntax/node/Block.cjs
new file mode 100644
index 00000000..ce1058f1
--- /dev/null
+++ b/node_modules/css-tree/cjs/syntax/node/Block.cjs
@@ -0,0 +1,96 @@
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const AMPERSAND = 0x0026;       // U+0026 AMPERSAND (&)
+
+function consumeRaw(startToken) {
+    return this.Raw(startToken, null, true);
+}
+function consumeRule() {
+    return this.parseWithFallback(this.Rule, consumeRaw);
+}
+function consumeRawDeclaration(startToken) {
+    return this.Raw(startToken, this.consumeUntilSemicolonIncluded, true);
+}
+function consumeDeclaration() {
+    if (this.tokenType === types.Semicolon) {
+        return consumeRawDeclaration.call(this, this.tokenIndex);
+    }
+
+    const node = this.parseWithFallback(this.Declaration, consumeRawDeclaration);
+
+    if (this.tokenType === types.Semicolon) {
+        this.next();
+    }
+
+    return node;
+}
+
+const name = 'Block';
+const walkContext = 'block';
+const structure = {
+    children: [[
+        'Atrule',
+        'Rule',
+        'Declaration'
+    ]]
+};
+
+function parse(isStyleBlock) {
+    const consumer = isStyleBlock ? consumeDeclaration : consumeRule;
+    const start = this.tokenStart;
+    let children = this.createList();
+
+    this.eat(types.LeftCurlyBracket);
+
+    scan:
+    while (!this.eof) {
+        switch (this.tokenType) {
+            case types.RightCurlyBracket:
+                break scan;
+
+            case types.WhiteSpace:
+            case types.Comment:
+                this.next();
+                break;
+
+            case types.AtKeyword:
+                children.push(this.parseWithFallback(this.Atrule.bind(this, isStyleBlock), consumeRaw));
+                break;
+
+            default:
+                if (isStyleBlock && this.isDelim(AMPERSAND))  {
+                    children.push(consumeRule.call(this));
+                } else {
+                    children.push(consumer.call(this));
+                }
+        }
+    }
+
+    if (!this.eof) {
+        this.eat(types.RightCurlyBracket);
+    }
+
+    return {
+        type: 'Block',
+        loc: this.getLocation(start, this.tokenStart),
+        children
+    };
+}
+
+function generate(node) {
+    this.token(types.LeftCurlyBracket, '{');
+    this.children(node, prev => {
+        if (prev.type === 'Declaration') {
+            this.token(types.Semicolon, ';');
+        }
+    });
+    this.token(types.RightCurlyBracket, '}');
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+exports.walkContext = walkContext;