first commit

app_vue/node_modules/css-tree/lib/definition-syntax/generate.js

@@ -0,0 +1,129 @@
+function noop(value) {
+    return value;
+}
+
+function generateMultiplier(multiplier) {
+    if (multiplier.min === 0 && multiplier.max === 0) {
+        return '*';
+    }
+
+    if (multiplier.min === 0 && multiplier.max === 1) {
+        return '?';
+    }
+
+    if (multiplier.min === 1 && multiplier.max === 0) {
+        return multiplier.comma ? '#' : '+';
+    }
+
+    if (multiplier.min === 1 && multiplier.max === 1) {
+        return '';
+    }
+
+    return (
+        (multiplier.comma ? '#' : '') +
+        (multiplier.min === multiplier.max
+            ? '{' + multiplier.min + '}'
+            : '{' + multiplier.min + ',' + (multiplier.max !== 0 ? multiplier.max : '') + '}'
+        )
+    );
+}
+
+function generateTypeOpts(node) {
+    switch (node.type) {
+        case 'Range':
+            return (
+                ' [' +
+                (node.min === null ? '-∞' : node.min) +
+                ',' +
+                (node.max === null ? '∞' : node.max) +
+                ']'
+            );
+
+        default:
+            throw new Error('Unknown node type `' + node.type + '`');
+    }
+}
+
+function generateSequence(node, decorate, forceBraces, compact) {
+    var combinator = node.combinator === ' ' || compact ? node.combinator : ' ' + node.combinator + ' ';
+    var result = node.terms.map(function(term) {
+        return generate(term, decorate, forceBraces, compact);
+    }).join(combinator);
+
+    if (node.explicit || forceBraces) {
+        result = (compact || result[0] === ',' ? '[' : '[ ') + result + (compact ? ']' : ' ]');
+    }
+
+    return result;
+}
+
+function generate(node, decorate, forceBraces, compact) {
+    var result;
+
+    switch (node.type) {
+        case 'Group':
+            result =
+                generateSequence(node, decorate, forceBraces, compact) +
+                (node.disallowEmpty ? '!' : '');
+            break;
+
+        case 'Multiplier':
+            // return since node is a composition
+            return (
+                generate(node.term, decorate, forceBraces, compact) +
+                decorate(generateMultiplier(node), node)
+            );
+
+        case 'Type':
+            result = '<' + node.name + (node.opts ? decorate(generateTypeOpts(node.opts), node.opts) : '') + '>';
+            break;
+
+        case 'Property':
+            result = '<\'' + node.name + '\'>';
+            break;
+
+        case 'Keyword':
+            result = node.name;
+            break;
+
+        case 'AtKeyword':
+            result = '@' + node.name;
+            break;
+
+        case 'Function':
+            result = node.name + '(';
+            break;
+
+        case 'String':
+        case 'Token':
+            result = node.value;
+            break;
+
+        case 'Comma':
+            result = ',';
+            break;
+
+        default:
+            throw new Error('Unknown node type `' + node.type + '`');
+    }
+
+    return decorate(result, node);
+}
+
+module.exports = function(node, options) {
+    var decorate = noop;
+    var forceBraces = false;
+    var compact = false;
+
+    if (typeof options === 'function') {
+        decorate = options;
+    } else if (options) {
+        forceBraces = Boolean(options.forceBraces);
+        compact = Boolean(options.compact);
+        if (typeof options.decorate === 'function') {
+            decorate = options.decorate;
+        }
+    }
+
+    return generate(node, decorate, forceBraces, compact);
+};