benchmark/packages/205/Prefixer.js
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
// special flexbox specifications
var _prefixAll2 = require('./static/prefixAll');
var _prefixAll3 = _interopRequireDefault(_prefixAll2);
var _getBrowserInformation = require('./utils/getBrowserInformation');
var _getBrowserInformation2 = _interopRequireDefault(_getBrowserInformation);
var _getPrefixedKeyframes = require('./utils/getPrefixedKeyframes');
var _getPrefixedKeyframes2 = _interopRequireDefault(_getPrefixedKeyframes);
var _capitalizeString = require('./utils/capitalizeString');
var _capitalizeString2 = _interopRequireDefault(_capitalizeString);
var _sortPrefixedStyle = require('./utils/sortPrefixedStyle');
var _sortPrefixedStyle2 = _interopRequireDefault(_sortPrefixedStyle);
var _prefixProps = require('./prefixProps');
var _prefixProps2 = _interopRequireDefault(_prefixProps);
var _position = require('./plugins/position');
var _position2 = _interopRequireDefault(_position);
var _calc = require('./plugins/calc');
var _calc2 = _interopRequireDefault(_calc);
var _zoomCursor = require('./plugins/zoomCursor');
var _zoomCursor2 = _interopRequireDefault(_zoomCursor);
var _grabCursor = require('./plugins/grabCursor');
var _grabCursor2 = _interopRequireDefault(_grabCursor);
var _flex = require('./plugins/flex');
var _flex2 = _interopRequireDefault(_flex);
var _sizing = require('./plugins/sizing');
var _sizing2 = _interopRequireDefault(_sizing);
var _gradient = require('./plugins/gradient');
var _gradient2 = _interopRequireDefault(_gradient);
var _transition = require('./plugins/transition');
var _transition2 = _interopRequireDefault(_transition);
var _flexboxIE = require('./plugins/flexboxIE');
var _flexboxIE2 = _interopRequireDefault(_flexboxIE);
var _flexboxOld = require('./plugins/flexboxOld');
var _flexboxOld2 = _interopRequireDefault(_flexboxOld);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var plugins = [_position2.default, _calc2.default, _zoomCursor2.default, _grabCursor2.default, _sizing2.default, _gradient2.default, _transition2.default, _flexboxIE2.default, _flexboxOld2.default,
// this must be run AFTER the flexbox specs
_flex2.default];
var Prefixer = function () {
/**
* Instantiante a new prefixer
* @param {string} userAgent - userAgent to gather prefix information according to caniuse.com
* @param {string} keepUnprefixed - keeps unprefixed properties and values
*/
function Prefixer() {
var _this = this;
var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
_classCallCheck(this, Prefixer);
var defaultUserAgent = typeof navigator !== 'undefined' ? navigator.userAgent : undefined;
this._userAgent = options.userAgent || defaultUserAgent;
this._keepUnprefixed = options.keepUnprefixed || false;
this._browserInfo = (0, _getBrowserInformation2.default)(this._userAgent);
// Checks if the userAgent was resolved correctly
if (this._browserInfo && this._browserInfo.prefix) {
// set additional prefix information
this.cssPrefix = this._browserInfo.prefix.css;
this.jsPrefix = this._browserInfo.prefix.inline;
this.prefixedKeyframes = (0, _getPrefixedKeyframes2.default)(this._browserInfo);
} else {
this._usePrefixAllFallback = true;
return false;
}
var data = this._browserInfo.browser && _prefixProps2.default[this._browserInfo.browser];
if (data) {
this._requiresPrefix = Object.keys(data).filter(function (key) {
return data[key] >= _this._browserInfo.version;
}).reduce(function (result, name) {
result[name] = true;
return result;
}, {});
this._hasPropsRequiringPrefix = Object.keys(this._requiresPrefix).length > 0;
} else {
this._usePrefixAllFallback = true;
}
}
/**
* Returns a prefixed version of the style object
* @param {Object} styles - Style object that gets prefixed properties added
* @returns {Object} - Style object with prefixed properties and values
*/
_createClass(Prefixer, [{
key: 'prefix',
value: function prefix(styles) {
var _this2 = this;
// use prefixAll as fallback if userAgent can not be resolved
if (this._usePrefixAllFallback) {
return (0, _prefixAll3.default)(styles);
}
// only add prefixes if needed
if (!this._hasPropsRequiringPrefix) {
return styles;
}
Object.keys(styles).forEach(function (property) {
var value = styles[property];
if (value instanceof Object && !Array.isArray(value)) {
// recurse through nested style objects
styles[property] = _this2.prefix(value);
} else {
// add prefixes if needed
if (_this2._requiresPrefix[property]) {
styles[_this2.jsPrefix + (0, _capitalizeString2.default)(property)] = value;
if (!_this2._keepUnprefixed) {
delete styles[property];
}
}
}
});
Object.keys(styles).forEach(function (property) {
[].concat(styles[property]).forEach(function (value) {
// resolve plugins
plugins.forEach(function (plugin) {
// generates a new plugin interface with current data
assignStyles(styles, plugin({
property: property,
value: value,
styles: styles,
browserInfo: _this2._browserInfo,
prefix: {
js: _this2.jsPrefix,
css: _this2.cssPrefix,
keyframes: _this2.prefixedKeyframes
},
keepUnprefixed: _this2._keepUnprefixed,
requiresPrefix: _this2._requiresPrefix
}), value, _this2._keepUnprefixed);
});
});
});
return (0, _sortPrefixedStyle2.default)(styles);
}
/**
* Returns a prefixed version of the style object using all vendor prefixes
* @param {Object} styles - Style object that gets prefixed properties added
* @returns {Object} - Style object with prefixed properties and values
*/
}], [{
key: 'prefixAll',
value: function prefixAll(styles) {
return (0, _prefixAll3.default)(styles);
}
}]);
return Prefixer;
}();
exports.default = Prefixer;
function assignStyles(base) {
var extend = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
var value = arguments[2];
var keepUnprefixed = arguments[3];
Object.keys(extend).forEach(function (property) {
var baseValue = base[property];
if (Array.isArray(baseValue)) {
[].concat(extend[property]).forEach(function (val) {
if (base[property].indexOf(val) === -1) {
base[property].splice(baseValue.indexOf(value), keepUnprefixed ? 0 : 1, val);
}
});
} else {
base[property] = extend[property];
}
});
}
module.exports = exports['default'];