initial commit

node_modules/postcss-normalize-timing-functions/dist/index.js

@@ -0,0 +1,93 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _postcss = require('postcss');
+
+var _postcssValueParser = require('postcss-value-parser');
+
+var _postcssValueParser2 = _interopRequireDefault(_postcssValueParser);
+
+var _cssnanoUtilGetMatch = require('cssnano-util-get-match');
+
+var _cssnanoUtilGetMatch2 = _interopRequireDefault(_cssnanoUtilGetMatch);
+
+var _map = require('./lib/map');
+
+var _map2 = _interopRequireDefault(_map);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const getMatch = (0, _cssnanoUtilGetMatch2.default)(_map2.default);
+const getValue = node => parseFloat(node.value);
+
+function evenValues(list, index) {
+    return index % 2 === 0;
+}
+
+function reduce(node) {
+    if (node.type !== 'function') {
+        return false;
+    }
+
+    const lowerCasedValue = node.value.toLowerCase();
+
+    if (lowerCasedValue === '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.toLowerCase() === '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.toLowerCase() === 'end') {
+            node.nodes = [node.nodes[0]];
+
+            return;
+        }
+
+        return false;
+    }
+
+    if (lowerCasedValue === 'cubic-bezier') {
+        const match = getMatch(node.nodes.filter(evenValues).map(getValue));
+
+        if (match) {
+            node.type = 'word';
+            node.value = match;
+
+            delete node.nodes;
+
+            return;
+        }
+    }
+}
+
+exports.default = (0, _postcss.plugin)('postcss-normalize-timing-functions', () => {
+    return css => {
+        const cache = {};
+
+        css.walkDecls(/(animation|transition)(-timing-function|$)/i, decl => {
+            const value = decl.value;
+
+            if (cache[value]) {
+                decl.value = cache[value];
+
+                return;
+            }
+
+            const result = (0, _postcssValueParser2.default)(value).walk(reduce).toString();
+
+            decl.value = result;
+            cache[value] = result;
+        });
+    };
+});
+module.exports = exports['default'];