| "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 _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _defaults(subClass, superClass); } |
| |
| var Prefixer = require('./prefixer'); |
| |
| var Browsers = require('./browsers'); |
| |
| var utils = require('./utils'); |
| |
| var Declaration = |
| /*#__PURE__*/ |
| function (_Prefixer) { |
| _inheritsLoose(Declaration, _Prefixer); |
| |
| function Declaration() { |
| return _Prefixer.apply(this, arguments) || this; |
| } |
| |
| var _proto = Declaration.prototype; |
| |
| /** |
| * Always true, because we already get prefixer by property name |
| */ |
| _proto.check = function check() |
| /* decl */ |
| { |
| return true; |
| } |
| /** |
| * Return prefixed version of property |
| */ |
| ; |
| |
| _proto.prefixed = function prefixed(prop, prefix) { |
| return prefix + prop; |
| } |
| /** |
| * Return unprefixed version of property |
| */ |
| ; |
| |
| _proto.normalize = function normalize(prop) { |
| return prop; |
| } |
| /** |
| * Check `value`, that it contain other prefixes, rather than `prefix` |
| */ |
| ; |
| |
| _proto.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 |
| */ |
| ; |
| |
| _proto.set = function set(decl, prefix) { |
| decl.prop = this.prefixed(decl.prop, prefix); |
| return decl; |
| } |
| /** |
| * Should we use visual cascade for prefixes |
| */ |
| ; |
| |
| _proto.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 |
| */ |
| ; |
| |
| _proto.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 |
| */ |
| ; |
| |
| _proto.calcBefore = function calcBefore(prefixes, decl, prefix) { |
| if (prefix === void 0) { |
| prefix = ''; |
| } |
| |
| 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 |
| */ |
| ; |
| |
| _proto.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 |
| */ |
| ; |
| |
| _proto.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 |
| */ |
| ; |
| |
| _proto.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 |
| */ |
| ; |
| |
| _proto.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 |
| */ |
| ; |
| |
| _proto.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 |
| */ |
| ; |
| |
| _proto.old = function old(prop, prefix) { |
| return [this.prefixed(prop, prefix)]; |
| }; |
| |
| return Declaration; |
| }(Prefixer); |
| |
| module.exports = Declaration; |