From 26105034da4fcce7ac883c899d781f016559310d Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Thu, 8 Nov 2018 00:38:48 +0800
Subject: switch to vuepress

---
 node_modules/cssnano/dist/lib/functionOptimiser.js | 46 ++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 node_modules/cssnano/dist/lib/functionOptimiser.js

(limited to 'node_modules/cssnano/dist/lib/functionOptimiser.js')

diff --git a/node_modules/cssnano/dist/lib/functionOptimiser.js b/node_modules/cssnano/dist/lib/functionOptimiser.js
new file mode 100644
index 00000000..29ca07cf
--- /dev/null
+++ b/node_modules/cssnano/dist/lib/functionOptimiser.js
@@ -0,0 +1,46 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _postcss = require('postcss');
+
+var _postcssValueParser = require('postcss-value-parser');
+
+var _postcssValueParser2 = _interopRequireDefault(_postcssValueParser);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function reduceCalcWhitespaces(node) {
+    if (node.type === 'space') {
+        node.value = ' ';
+    } else if (node.type === 'function') {
+        node.before = node.after = '';
+    }
+}
+
+function reduceWhitespaces(node) {
+    if (node.type === 'space') {
+        node.value = ' ';
+    } else if (node.type === 'div') {
+        node.before = node.after = '';
+    } else if (node.type === 'function') {
+        node.before = node.after = '';
+        if (node.value === 'calc') {
+            _postcssValueParser2.default.walk(node.nodes, reduceCalcWhitespaces);
+            return false;
+        }
+    }
+}
+
+function transformDecls(decl) {
+    if (!/filter/.test(decl.prop)) {
+        decl.value = (0, _postcssValueParser2.default)(decl.value).walk(reduceWhitespaces).toString();
+    }
+}
+
+exports.default = (0, _postcss.plugin)('cssnano-function-optimiser', function () {
+    return function (css) {
+        return css.walkDecls(transformDecls);
+    };
+});
+module.exports = exports['default'];
\ No newline at end of file
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