--- /dev/null
+'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 OldValue = require('../old-value');
+var Value = require('../value');
+var utils = require('../utils');
+
+var parser = require('postcss-value-parser');
+var range = require('normalize-range');
+
+var isDirection = /top|left|right|bottom/gi;
+
+var Gradient = function (_Value) {
+ _inherits(Gradient, _Value);
+
+ function Gradient() {
+ var _temp, _this, _ret;
+
+ _classCallCheck(this, Gradient);
+
+ for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
+
+ return _ret = (_temp = (_this = _possibleConstructorReturn(this, _Value.call.apply(_Value, [this].concat(args))), _this), Object.defineProperty(_this, 'directions', {
+ enumerable: true,
+ writable: true,
+ value: {
+ top: 'bottom',
+ left: 'right',
+ bottom: 'top',
+ right: 'left'
+ }
+ }), Object.defineProperty(_this, 'oldDirections', {
+ enumerable: true,
+ writable: true,
+ value: {
+ 'top': 'left bottom, left top',
+ 'left': 'right top, left top',
+ 'bottom': 'left top, left bottom',
+ 'right': 'left top, right top',
+
+ 'top right': 'left bottom, right top',
+ 'top left': 'right bottom, left top',
+ 'right top': 'left bottom, right top',
+ 'right bottom': 'left top, right bottom',
+ 'bottom right': 'left top, right bottom',
+ 'bottom left': 'right top, left bottom',
+ 'left top': 'right bottom, left top',
+ 'left bottom': 'right top, left bottom'
+ }
+ }), _temp), _possibleConstructorReturn(_this, _ret);
+ }
+
+ // Direction to replace
+
+
+ // Direction to replace
+
+
+ /**
+ * Change degrees for webkit prefix
+ */
+ Gradient.prototype.replace = function replace(string, prefix) {
+ var ast = parser(string);
+ for (var _iterator = ast.nodes, _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 node = _ref;
+
+ if (node.type === 'function' && node.value === this.name) {
+ node.nodes = this.newDirection(node.nodes);
+ node.nodes = this.normalize(node.nodes);
+ if (prefix === '-webkit- old') {
+ var changes = this.oldWebkit(node);
+ if (!changes) {
+ return false;
+ }
+ } else {
+ node.nodes = this.convertDirection(node.nodes);
+ node.value = prefix + node.value;
+ }
+ }
+ }
+ return ast.toString();
+ };
+
+ /**
+ * Replace first token
+ */
+
+
+ Gradient.prototype.replaceFirst = function replaceFirst(params) {
+ for (var _len2 = arguments.length, words = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
+ words[_key2 - 1] = arguments[_key2];
+ }
+
+ var prefix = words.map(function (i) {
+ if (i === ' ') {
+ return { type: 'space', value: i };
+ } else {
+ return { type: 'word', value: i };
+ }
+ });
+ return prefix.concat(params.slice(1));
+ };
+
+ /**
+ * Convert angle unit to deg
+ */
+
+
+ Gradient.prototype.normalizeUnit = function normalizeUnit(str, full) {
+ var num = parseFloat(str);
+ var deg = num / full * 360;
+ return deg + 'deg';
+ };
+
+ /**
+ * Normalize angle
+ */
+
+
+ Gradient.prototype.normalize = function normalize(nodes) {
+ if (!nodes[0]) return nodes;
+
+ if (/-?\d+(.\d+)?grad/.test(nodes[0].value)) {
+ nodes[0].value = this.normalizeUnit(nodes[0].value, 400);
+ } else if (/-?\d+(.\d+)?rad/.test(nodes[0].value)) {
+ nodes[0].value = this.normalizeUnit(nodes[0].value, 2 * Math.PI);
+ } else if (/-?\d+(.\d+)?turn/.test(nodes[0].value)) {
+ nodes[0].value = this.normalizeUnit(nodes[0].value, 1);
+ } else if (nodes[0].value.indexOf('deg') !== -1) {
+ var num = parseFloat(nodes[0].value);
+ num = range.wrap(0, 360, num);
+ nodes[0].value = num + 'deg';
+ }
+
+ if (nodes[0].value === '0deg') {
+ nodes = this.replaceFirst(nodes, 'to', ' ', 'top');
+ } else if (nodes[0].value === '90deg') {
+ nodes = this.replaceFirst(nodes, 'to', ' ', 'right');
+ } else if (nodes[0].value === '180deg') {
+ nodes = this.replaceFirst(nodes, 'to', ' ', 'bottom');
+ } else if (nodes[0].value === '270deg') {
+ nodes = this.replaceFirst(nodes, 'to', ' ', 'left');
+ }
+
+ return nodes;
+ };
+
+ /**
+ * Replace old direction to new
+ */
+
+
+ Gradient.prototype.newDirection = function newDirection(params) {
+ if (params[0].value === 'to') {
+ return params;
+ }
+ isDirection.lastIndex = 0; // reset search index of global regexp
+ if (!isDirection.test(params[0].value)) {
+ return params;
+ }
+
+ params.unshift({
+ type: 'word',
+ value: 'to'
+ }, {
+ type: 'space',
+ value: ' '
+ });
+
+ for (var i = 2; i < params.length; i++) {
+ if (params[i].type === 'div') {
+ break;
+ }
+ if (params[i].type === 'word') {
+ params[i].value = this.revertDirection(params[i].value);
+ }
+ }
+
+ return params;
+ };
+
+ /**
+ * Change new direction to old
+ */
+
+
+ Gradient.prototype.convertDirection = function convertDirection(params) {
+ if (params.length > 0) {
+ if (params[0].value === 'to') {
+ this.fixDirection(params);
+ } else if (params[0].value.indexOf('deg') !== -1) {
+ this.fixAngle(params);
+ } else if (params[2] && params[2].value === 'at') {
+ this.fixRadial(params);
+ }
+ }
+ return params;
+ };
+
+ /**
+ * Replace `to top left` to `bottom right`
+ */
+
+
+ Gradient.prototype.fixDirection = function fixDirection(params) {
+ params.splice(0, 2);
+
+ for (var _iterator2 = params, _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 param = _ref2;
+
+ if (param.type === 'div') {
+ break;
+ }
+ if (param.type === 'word') {
+ param.value = this.revertDirection(param.value);
+ }
+ }
+ };
+
+ /**
+ * Add 90 degrees
+ */
+
+
+ Gradient.prototype.fixAngle = function fixAngle(params) {
+ var first = params[0].value;
+ first = parseFloat(first);
+ first = Math.abs(450 - first) % 360;
+ first = this.roundFloat(first, 3);
+ params[0].value = first + 'deg';
+ };
+
+ /**
+ * Fix radial direction syntax
+ */
+
+
+ Gradient.prototype.fixRadial = function fixRadial(params) {
+ var first = params[0];
+ var second = [];
+ var i = void 0;
+
+ var div = void 0;
+ for (i = 4; i < params.length; i++) {
+ if (params[i].type === 'div') {
+ div = params[i];
+ break;
+ } else {
+ second.push(params[i]);
+ }
+ }
+
+ params.splice.apply(params, [0, i].concat(second, [div, first]));
+ };
+
+ Gradient.prototype.revertDirection = function revertDirection(word) {
+ return this.directions[word.toLowerCase()] || word;
+ };
+
+ /**
+ * Round float and save digits under dot
+ */
+
+
+ Gradient.prototype.roundFloat = function roundFloat(float, digits) {
+ return parseFloat(float.toFixed(digits));
+ };
+
+ /**
+ * Convert to old webkit syntax
+ */
+
+
+ Gradient.prototype.oldWebkit = function oldWebkit(node) {
+ var nodes = node.nodes;
+
+ var string = parser.stringify(node.nodes);
+
+ if (this.name !== 'linear-gradient') {
+ return false;
+ }
+ if (nodes[0] && nodes[0].value.indexOf('deg') !== -1) {
+ return false;
+ }
+ if (string.indexOf('px') !== -1 || string.indexOf('-corner') !== -1 || string.indexOf('-side') !== -1) {
+ return false;
+ }
+
+ var params = [[]];
+ for (var _iterator3 = nodes, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
+ var _ref3;
+
+ if (_isArray3) {
+ if (_i3 >= _iterator3.length) break;
+ _ref3 = _iterator3[_i3++];
+ } else {
+ _i3 = _iterator3.next();
+ if (_i3.done) break;
+ _ref3 = _i3.value;
+ }
+
+ var i = _ref3;
+
+ params[params.length - 1].push(i);
+ if (i.type === 'div' && i.value === ',') {
+ params.push([]);
+ }
+ }
+
+ this.oldDirection(params);
+ this.colorStops(params);
+
+ node.nodes = [];
+ for (var _iterator4 = params, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) {
+ var _ref4;
+
+ if (_isArray4) {
+ if (_i4 >= _iterator4.length) break;
+ _ref4 = _iterator4[_i4++];
+ } else {
+ _i4 = _iterator4.next();
+ if (_i4.done) break;
+ _ref4 = _i4.value;
+ }
+
+ var param = _ref4;
+
+ node.nodes = node.nodes.concat(param);
+ }
+
+ node.nodes.unshift({ type: 'word', value: 'linear' }, this.cloneDiv(node.nodes));
+ node.value = '-webkit-gradient';
+
+ return true;
+ };
+
+ /**
+ * Change direction syntax to old webkit
+ */
+
+
+ Gradient.prototype.oldDirection = function oldDirection(params) {
+ var div = this.cloneDiv(params[0]);
+
+ if (params[0][0].value !== 'to') {
+ return params.unshift([{ type: 'word', value: this.oldDirections.bottom }, div]);
+ } else {
+ var _words = [];
+ for (var _iterator5 = params[0].slice(2), _isArray5 = Array.isArray(_iterator5), _i5 = 0, _iterator5 = _isArray5 ? _iterator5 : _iterator5[Symbol.iterator]();;) {
+ var _ref5;
+
+ if (_isArray5) {
+ if (_i5 >= _iterator5.length) break;
+ _ref5 = _iterator5[_i5++];
+ } else {
+ _i5 = _iterator5.next();
+ if (_i5.done) break;
+ _ref5 = _i5.value;
+ }
+
+ var node = _ref5;
+
+ if (node.type === 'word') {
+ _words.push(node.value.toLowerCase());
+ }
+ }
+
+ _words = _words.join(' ');
+ var old = this.oldDirections[_words] || _words;
+
+ params[0] = [{ type: 'word', value: old }, div];
+ return params[0];
+ }
+ };
+
+ /**
+ * Get div token from exists parameters
+ */
+
+
+ Gradient.prototype.cloneDiv = function cloneDiv(params) {
+ for (var _iterator6 = params, _isArray6 = Array.isArray(_iterator6), _i6 = 0, _iterator6 = _isArray6 ? _iterator6 : _iterator6[Symbol.iterator]();;) {
+ var _ref6;
+
+ if (_isArray6) {
+ if (_i6 >= _iterator6.length) break;
+ _ref6 = _iterator6[_i6++];
+ } else {
+ _i6 = _iterator6.next();
+ if (_i6.done) break;
+ _ref6 = _i6.value;
+ }
+
+ var i = _ref6;
+
+ if (i.type === 'div' && i.value === ',') {
+ return i;
+ }
+ }
+ return { type: 'div', value: ',', after: ' ' };
+ };
+
+ /**
+ * Change colors syntax to old webkit
+ */
+
+
+ Gradient.prototype.colorStops = function colorStops(params) {
+ var result = [];
+ for (var i = 0; i < params.length; i++) {
+ var pos = void 0;
+ var param = params[i];
+ var item = void 0;
+ if (i === 0) {
+ continue;
+ }
+
+ var color = parser.stringify(param[0]);
+ if (param[1] && param[1].type === 'word') {
+ pos = param[1].value;
+ } else if (param[2] && param[2].type === 'word') {
+ pos = param[2].value;
+ }
+
+ var stop = void 0;
+ if (i === 1 && (!pos || pos === '0%')) {
+ stop = 'from(' + color + ')';
+ } else if (i === params.length - 1 && (!pos || pos === '100%')) {
+ stop = 'to(' + color + ')';
+ } else if (pos) {
+ stop = 'color-stop(' + pos + ', ' + color + ')';
+ } else {
+ stop = 'color-stop(' + color + ')';
+ }
+
+ var div = param[param.length - 1];
+ params[i] = [{ type: 'word', value: stop }];
+ if (div.type === 'div' && div.value === ',') {
+ item = params[i].push(div);
+ }
+ result.push(item);
+ }
+ return result;
+ };
+
+ /**
+ * Remove old WebKit gradient too
+ */
+
+
+ Gradient.prototype.old = function old(prefix) {
+ if (prefix === '-webkit-') {
+ var type = this.name === 'linear-gradient' ? 'linear' : 'radial';
+ var string = '-gradient';
+ var regexp = utils.regexp('-webkit-(' + type + '-gradient|gradient\\(\\s*' + type + ')', false);
+
+ return new OldValue(this.name, prefix + this.name, string, regexp);
+ } else {
+ return _Value.prototype.old.call(this, prefix);
+ }
+ };
+
+ /**
+ * Do not add non-webkit prefixes for list-style and object
+ */
+
+
+ Gradient.prototype.add = function add(decl, prefix) {
+ var p = decl.prop;
+ if (p.indexOf('mask') !== -1) {
+ if (prefix === '-webkit-' || prefix === '-webkit- old') {
+ return _Value.prototype.add.call(this, decl, prefix);
+ }
+ } else if (p === 'list-style' || p === 'list-style-image' || p === 'content') {
+ if (prefix === '-webkit-' || prefix === '-webkit- old') {
+ return _Value.prototype.add.call(this, decl, prefix);
+ }
+ } else {
+ return _Value.prototype.add.call(this, decl, prefix);
+ }
+ return undefined;
+ };
+
+ return Gradient;
+}(Value);
+
+Object.defineProperty(Gradient, 'names', {
+ enumerable: true,
+ writable: true,
+ value: ['linear-gradient', 'repeating-linear-gradient', 'radial-gradient', 'repeating-radial-gradient']
+});
+
+
+module.exports = Gradient;
\ No newline at end of file
projects / dotfiles / .git / blobdiff