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1 files changed, 261 insertions, 0 deletions

diff --git a/node_modules/autoprefixer/lib/declaration.js b/node_modules/autoprefixer/lib/declaration.js
new file mode 100644
index 00000000..74dceb98
--- /dev/null
+++ b/node_modules/autoprefixer/lib/declaration.js
@@ -0,0 +1,261 @@
+'use strict';
+
+function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : _defaults(subClass, superClass); }
+
+var Prefixer = require('./prefixer');
+var Browsers = require('./browsers');
+var utils = require('./utils');
+
+var Declaration = function (_Prefixer) {
+    _inherits(Declaration, _Prefixer);
+
+    function Declaration() {
+        _classCallCheck(this, Declaration);
+
+        return _possibleConstructorReturn(this, _Prefixer.apply(this, arguments));
+    }
+
+    /**
+     * Always true, because we already get prefixer by property name
+     */
+    Declaration.prototype.check = function check() /* decl */{
+        return true;
+    };
+
+    /**
+     * Return prefixed version of property
+     */
+
+
+    Declaration.prototype.prefixed = function prefixed(prop, prefix) {
+        return prefix + prop;
+    };
+
+    /**
+     * Return unprefixed version of property
+     */
+
+
+    Declaration.prototype.normalize = function normalize(prop) {
+        return prop;
+    };
+
+    /**
+     * Check `value`, that it contain other prefixes, rather than `prefix`
+     */
+
+
+    Declaration.prototype.otherPrefixes = function otherPrefixes(value, prefix) {
+        for (var _iterator = Browsers.prefixes(), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+            var _ref;
+
+            if (_isArray) {
+                if (_i >= _iterator.length) break;
+                _ref = _iterator[_i++];
+            } else {
+                _i = _iterator.next();
+                if (_i.done) break;
+                _ref = _i.value;
+            }
+
+            var other = _ref;
+
+            if (other === prefix) {
+                continue;
+            }
+            if (value.indexOf(other) !== -1) {
+                return true;
+            }
+        }
+        return false;
+    };
+
+    /**
+     * Set prefix to declaration
+     */
+
+
+    Declaration.prototype.set = function set(decl, prefix) {
+        decl.prop = this.prefixed(decl.prop, prefix);
+        return decl;
+    };
+
+    /**
+     * Should we use visual cascade for prefixes
+     */
+
+
+    Declaration.prototype.needCascade = function needCascade(decl) {
+        if (!decl._autoprefixerCascade) {
+            decl._autoprefixerCascade = this.all.options.cascade !== false && decl.raw('before').indexOf('\n') !== -1;
+        }
+        return decl._autoprefixerCascade;
+    };
+
+    /**
+     * Return maximum length of possible prefixed property
+     */
+
+
+    Declaration.prototype.maxPrefixed = function maxPrefixed(prefixes, decl) {
+        if (decl._autoprefixerMax) {
+            return decl._autoprefixerMax;
+        }
+
+        var max = 0;
+        for (var _iterator2 = prefixes, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
+            var _ref2;
+
+            if (_isArray2) {
+                if (_i2 >= _iterator2.length) break;
+                _ref2 = _iterator2[_i2++];
+            } else {
+                _i2 = _iterator2.next();
+                if (_i2.done) break;
+                _ref2 = _i2.value;
+            }
+
+            var prefix = _ref2;
+
+            prefix = utils.removeNote(prefix);
+            if (prefix.length > max) {
+                max = prefix.length;
+            }
+        }
+        decl._autoprefixerMax = max;
+
+        return decl._autoprefixerMax;
+    };
+
+    /**
+     * Calculate indentation to create visual cascade
+     */
+
+
+    Declaration.prototype.calcBefore = function calcBefore(prefixes, decl) {
+        var prefix = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
+
+        var max = this.maxPrefixed(prefixes, decl);
+        var diff = max - utils.removeNote(prefix).length;
+
+        var before = decl.raw('before');
+        if (diff > 0) {
+            before += Array(diff).fill(' ').join('');
+        }
+
+        return before;
+    };
+
+    /**
+     * Remove visual cascade
+     */
+
+
+    Declaration.prototype.restoreBefore = function restoreBefore(decl) {
+        var lines = decl.raw('before').split('\n');
+        var min = lines[lines.length - 1];
+
+        this.all.group(decl).up(function (prefixed) {
+            var array = prefixed.raw('before').split('\n');
+            var last = array[array.length - 1];
+            if (last.length < min.length) {
+                min = last;
+            }
+        });
+
+        lines[lines.length - 1] = min;
+        decl.raws.before = lines.join('\n');
+    };
+
+    /**
+     * Clone and insert new declaration
+     */
+
+
+    Declaration.prototype.insert = function insert(decl, prefix, prefixes) {
+        var cloned = this.set(this.clone(decl), prefix);
+        if (!cloned) return undefined;
+
+        var already = decl.parent.some(function (i) {
+            return i.prop === cloned.prop && i.value === cloned.value;
+        });
+        if (already) {
+            return undefined;
+        }
+
+        if (this.needCascade(decl)) {
+            cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
+        }
+        return decl.parent.insertBefore(decl, cloned);
+    };
+
+    /**
+     * Did this declaration has this prefix above
+     */
+
+
+    Declaration.prototype.isAlready = function isAlready(decl, prefixed) {
+        var already = this.all.group(decl).up(function (i) {
+            return i.prop === prefixed;
+        });
+        if (!already) {
+            already = this.all.group(decl).down(function (i) {
+                return i.prop === prefixed;
+            });
+        }
+        return already;
+    };
+
+    /**
+     * Clone and add prefixes for declaration
+     */
+
+
+    Declaration.prototype.add = function add(decl, prefix, prefixes, result) {
+        var prefixed = this.prefixed(decl.prop, prefix);
+        if (this.isAlready(decl, prefixed) || this.otherPrefixes(decl.value, prefix)) {
+            return undefined;
+        }
+        return this.insert(decl, prefix, prefixes, result);
+    };
+
+    /**
+     * Add spaces for visual cascade
+     */
+
+
+    Declaration.prototype.process = function process(decl, result) {
+        if (!this.needCascade(decl)) {
+            _Prefixer.prototype.process.call(this, decl, result);
+            return;
+        }
+
+        var prefixes = _Prefixer.prototype.process.call(this, decl, result);
+
+        if (!prefixes || !prefixes.length) {
+            return;
+        }
+
+        this.restoreBefore(decl);
+        decl.raws.before = this.calcBefore(prefixes, decl);
+    };
+
+    /**
+     * Return list of prefixed properties to clean old prefixes
+     */
+
+
+    Declaration.prototype.old = function old(prop, prefix) {
+        return [this.prefixed(prop, prefix)];
+    };
+
+    return Declaration;
+}(Prefixer);
+
+module.exports = Declaration;
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