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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/cssnano/dist/lib/core.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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Diffstat (limited to 'node_modules/cssnano/dist/lib/core.js')
-rw-r--r--node_modules/cssnano/dist/lib/core.js46
1 files changed, 46 insertions, 0 deletions
diff --git a/node_modules/cssnano/dist/lib/core.js b/node_modules/cssnano/dist/lib/core.js
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+++ b/node_modules/cssnano/dist/lib/core.js
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+'use strict';
+
+exports.__esModule = true;
+
+var _postcss = require('postcss');
+
+var atrule = 'atrule';
+var decl = 'decl';
+var rule = 'rule';
+
+function minimiseWhitespace(node) {
+ var type = node.type;
+
+ if (~[decl, rule, atrule].indexOf(type) && node.raws.before) {
+ node.raws.before = node.raws.before.replace(/\s/g, '');
+ }
+ if (type === decl) {
+ // Ensure that !important values do not have any excess whitespace
+ if (node.important) {
+ node.raws.important = '!important';
+ }
+ // Remove whitespaces around ie 9 hack
+ node.value = node.value.replace(/\s*(\\9)\s*/, '$1');
+ // Remove extra semicolons and whitespace before the declaration
+ if (node.raws.before) {
+ var prev = node.prev();
+ if (prev && prev.type !== rule) {
+ node.raws.before = node.raws.before.replace(/;/g, '');
+ }
+ }
+ node.raws.between = ':';
+ node.raws.semicolon = false;
+ } else if (type === rule || type === atrule) {
+ node.raws.between = node.raws.after = '';
+ node.raws.semicolon = false;
+ }
+}
+
+exports.default = (0, _postcss.plugin)('cssnano-core', function () {
+ return function (css) {
+ css.walk(minimiseWhitespace);
+ // Remove final newline
+ css.raws.after = '';
+ };
+});
+module.exports = exports['default']; \ No newline at end of file