flow like the river

VISUALIZACION/node_modules/cssnano/dist/lib/normalizeUnicode.js

@@ -0,0 +1,67 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _postcss = require('postcss');
+
+var _postcss2 = _interopRequireDefault(_postcss);
+
+var _postcssValueParser = require('postcss-value-parser');
+
+var _postcssValueParser2 = _interopRequireDefault(_postcssValueParser);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function unicode(range) {
+    var values = range.slice(2).split('-');
+    if (values.length < 2) {
+        return range;
+    }
+    var left = values[0].split('');
+    var right = values[1].split('');
+
+    if (left.length !== right.length) {
+        return range;
+    }
+
+    var questionCounter = 0;
+
+    var merged = left.reduce(function (group, value, index) {
+        if (group === false) {
+            return false;
+        }
+        if (value === right[index] && !questionCounter) {
+            return group + value;
+        }
+        if (value === '0' && right[index] === 'f') {
+            questionCounter++;
+            return group + '?';
+        }
+        return false;
+    }, 'u+');
+
+    /*
+     * The maximum number of wildcard characters (?) for ranges is 5.
+     */
+
+    if (merged && questionCounter < 6) {
+        return merged;
+    }
+
+    return range;
+}
+
+exports.default = _postcss2.default.plugin('cssnano-normalize-unicode', function () {
+    return function (css) {
+        css.walkDecls(/^unicode-range$/i, function (node) {
+            node.prop = 'unicode-range';
+            node.value = (0, _postcssValueParser2.default)(node.value).walk(function (child) {
+                if (child.type === 'word') {
+                    child.value = unicode(child.value.toLowerCase());
+                }
+                return false;
+            }).toString();
+        });
+    };
+});
+module.exports = exports['default'];