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-rw-r--r--node_modules/cssnano/dist/lib/normalizeUnicode.js67
1 files changed, 67 insertions, 0 deletions
diff --git a/node_modules/cssnano/dist/lib/normalizeUnicode.js b/node_modules/cssnano/dist/lib/normalizeUnicode.js
new file mode 100644
index 00000000..622afb79
--- /dev/null
+++ b/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']; \ No newline at end of file