diff options
Diffstat (limited to 'node_modules/autoprefixer/lib/declaration.js')
| -rw-r--r-- | node_modules/autoprefixer/lib/declaration.js | 261 |
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 0000000..3674d2c --- /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 _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.includes(other)) { + 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').includes('\n'); + } + + 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;
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