1 files changed, 67 insertions, 0 deletions
diff --git a/node_modules/cssnano/dist/lib/reduceTimingFunctions.js b/node_modules/cssnano/dist/lib/reduceTimingFunctions.js
new file mode 100644
index 00000000..77c09bef
--- /dev/null
+++ b/node_modules/cssnano/dist/lib/reduceTimingFunctions.js
@@ -0,0 +1,67 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _postcss = require('postcss');
+
+var _postcssValueParser = require('postcss-value-parser');
+
+var _postcssValueParser2 = _interopRequireDefault(_postcssValueParser);
+
+var _evenValues = require('./evenValues');
+
+var _evenValues2 = _interopRequireDefault(_evenValues);
+
+var _getMatch = require('./getMatch');
+
+var _getMatch2 = _interopRequireDefault(_getMatch);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var keywords = [['ease', [0.25, 0.1, 0.25, 1]], ['linear', [0, 0, 1, 1]], ['ease-in', [0.42, 0, 1, 1]], ['ease-out', [0, 0, 0.58, 1]], ['ease-in-out', [0.42, 0, 0.58, 1]]];
+
+var getValue = function getValue(node) {
+    return parseFloat(node.value);
+};
+var getMatch = (0, _getMatch2.default)(keywords);
+
+function reduce(node) {
+    if (node.type !== 'function') {
+        return false;
+    }
+    if (node.value === 'steps') {
+        // Don't bother checking the step-end case as it has the same length
+        // as steps(1)
+        if (getValue(node.nodes[0]) === 1 && node.nodes[2] && node.nodes[2].value === 'start') {
+            node.type = 'word';
+            node.value = 'step-start';
+            delete node.nodes;
+            return;
+        }
+        // The end case is actually the browser default, so it isn't required.
+        if (node.nodes[2] && node.nodes[2].value === 'end') {
+            node.nodes = [node.nodes[0]];
+            return;
+        }
+        return false;
+    }
+    if (node.value === 'cubic-bezier') {
+        var match = getMatch(node.nodes.filter(_evenValues2.default).map(getValue));
+
+        if (match.length) {
+            node.type = 'word';
+            node.value = match[0][0];
+            delete node.nodes;
+            return;
+        }
+    }
+}
+
+exports.default = (0, _postcss.plugin)('cssnano-reduce-timing-functions', function () {
+    return function (css) {
+        css.walkDecls(/(animation|transition)(-timing-function|$)/, function (decl) {
+            decl.value = (0, _postcssValueParser2.default)(decl.value).walk(reduce).toString();
+        });
+    };
+});
+module.exports = exports['default'];
+\ No newline at end of file