0.2.0 - Mid migration

web/node_modules/postcss-reduce-initial/dist/index.js

@@ -0,0 +1,58 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _postcss = require('postcss');
+
+var _has = require('has');
+
+var _has2 = _interopRequireDefault(_has);
+
+var _browserslist = require('browserslist');
+
+var _browserslist2 = _interopRequireDefault(_browserslist);
+
+var _caniuseApi = require('caniuse-api');
+
+var _fromInitial = require('../data/fromInitial.json');
+
+var _fromInitial2 = _interopRequireDefault(_fromInitial);
+
+var _toInitial = require('../data/toInitial.json');
+
+var _toInitial2 = _interopRequireDefault(_toInitial);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const initial = 'initial';
+
+exports.default = (0, _postcss.plugin)('postcss-reduce-initial', () => {
+    return (css, result) => {
+        const resultOpts = result.opts || {};
+        const browsers = (0, _browserslist2.default)(null, {
+            stats: resultOpts.stats,
+            path: __dirname,
+            env: resultOpts.env
+        });
+
+        const initialSupport = (0, _caniuseApi.isSupported)('css-initial-value', browsers);
+
+        css.walkDecls(decl => {
+            const lowerCasedProp = decl.prop.toLowerCase();
+
+            if (initialSupport && (0, _has2.default)(_toInitial2.default, lowerCasedProp) && decl.value.toLowerCase() === _toInitial2.default[lowerCasedProp]) {
+                decl.value = initial;
+                return;
+            }
+
+            if (decl.value.toLowerCase() !== initial || !_fromInitial2.default[lowerCasedProp]) {
+                return;
+            }
+
+            decl.value = _fromInitial2.default[lowerCasedProp];
+        });
+    };
+});
+module.exports = exports['default'];