--- /dev/null
+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Value = require('./value');
+
+var OLD_LINEAR = /(^|[^-])linear-gradient\(\s*(top|left|right|bottom)/i;
+var OLD_RADIAL = /(^|[^-])radial-gradient\(\s*\d+(\w*|%)\s+\d+(\w*|%)\s*,/i;
+
+var SIZES = ['width', 'height', 'min-width', 'max-width', 'min-height', 'max-height', 'inline-size', 'min-inline-size', 'max-inline-size', 'block-size', 'min-block-size', 'max-block-size'];
+
+var Processor = function () {
+ function Processor(prefixes) {
+ _classCallCheck(this, Processor);
+
+ this.prefixes = prefixes;
+ }
+
+ /**
+ * Add necessary prefixes
+ */
+
+
+ Processor.prototype.add = function add(css, result) {
+ var _this = this;
+
+ // At-rules
+ var resolution = this.prefixes.add['@resolution'];
+ var keyframes = this.prefixes.add['@keyframes'];
+ var viewport = this.prefixes.add['@viewport'];
+ var supports = this.prefixes.add['@supports'];
+
+ css.walkAtRules(function (rule) {
+ if (rule.name === 'keyframes') {
+ if (!_this.disabled(rule, result)) {
+ return keyframes && keyframes.process(rule);
+ }
+ } else if (rule.name === 'viewport') {
+ if (!_this.disabled(rule, result)) {
+ return viewport && viewport.process(rule);
+ }
+ } else if (rule.name === 'supports') {
+ if (_this.prefixes.options.supports !== false && !_this.disabled(rule, result)) {
+ return supports.process(rule);
+ }
+ } else if (rule.name === 'media' && rule.params.indexOf('-resolution') !== -1) {
+ if (!_this.disabled(rule, result)) {
+ return resolution && resolution.process(rule);
+ }
+ }
+
+ return undefined;
+ });
+
+ // Selectors
+ css.walkRules(function (rule) {
+ if (_this.disabled(rule, result)) return undefined;
+
+ return _this.prefixes.add.selectors.map(function (selector) {
+ return selector.process(rule, result);
+ });
+ });
+
+ css.walkDecls(function (decl) {
+ if (_this.disabledDecl(decl, result)) return undefined;
+
+ if (decl.prop === 'display' && decl.value === 'box') {
+ result.warn('You should write display: flex by final spec ' + 'instead of display: box', { node: decl });
+ return undefined;
+ }
+ if (decl.value.indexOf('linear-gradient') !== -1) {
+ if (OLD_LINEAR.test(decl.value)) {
+ result.warn('Gradient has outdated direction syntax. ' + 'New syntax is like `to left` instead of `right`.', { node: decl });
+ }
+ }
+ if (decl.value.indexOf('radial-gradient') !== -1) {
+ if (OLD_RADIAL.test(decl.value)) {
+ result.warn('Gradient has outdated direction syntax. ' + 'New syntax is like `closest-side at 0 0` ' + 'instead of `0 0, closest-side`.', { node: decl });
+ } else if (/[^-]cover/.test(decl.value)) {
+ result.warn('Gradient has outdated direction syntax. ' + 'Replace `cover` to `farthest-corner`.', { node: decl });
+ } else if (/[^-]contain/.test(decl.value)) {
+ result.warn('Gradient has outdated direction syntax. ' + 'Replace `contain` to `closest-side`.', { node: decl });
+ }
+ }
+ if (decl.prop === 'text-emphasis-position') {
+ if (decl.value === 'under' || decl.value === 'over') {
+ result.warn('You should use 2 values for text-emphasis-position ' + 'For example, `under left` instead of just `under`.', { node: decl });
+ }
+ }
+
+ if (SIZES.indexOf(decl.prop) !== -1) {
+ if (decl.value.indexOf('fill-available') !== -1) {
+ result.warn('Replace fill-available to stretch, ' + 'because spec had been changed', { node: decl });
+ } else if (decl.value.indexOf('fill') !== -1) {
+ result.warn('Replace fill to stretch, ' + 'because spec had been changed', { node: decl });
+ }
+ }
+
+ var prefixer = void 0;
+
+ if (decl.prop === 'transition' || decl.prop === 'transition-property') {
+ // Transition
+ return _this.prefixes.transition.add(decl, result);
+ } else if (decl.prop === 'align-self') {
+ // align-self flexbox or grid
+ var display = _this.displayType(decl);
+ if (display !== 'grid' && _this.prefixes.options.flexbox !== false) {
+ prefixer = _this.prefixes.add['align-self'];
+ if (prefixer && prefixer.prefixes) {
+ prefixer.process(decl);
+ }
+ }
+ if (display !== 'flex' && _this.prefixes.options.grid !== false) {
+ prefixer = _this.prefixes.add['grid-row-align'];
+ if (prefixer && prefixer.prefixes) {
+ return prefixer.process(decl, result);
+ }
+ }
+ } else if (decl.prop === 'justify-self') {
+ // justify-self flexbox or grid
+ var _display = _this.displayType(decl);
+ if (_display !== 'flex' && _this.prefixes.options.grid !== false) {
+ prefixer = _this.prefixes.add['grid-column-align'];
+ if (prefixer && prefixer.prefixes) {
+ return prefixer.process(decl, result);
+ }
+ }
+ } else {
+ // Properties
+ prefixer = _this.prefixes.add[decl.prop];
+ if (prefixer && prefixer.prefixes) {
+ return prefixer.process(decl, result);
+ }
+ }
+
+ return undefined;
+ });
+
+ // Values
+ return css.walkDecls(function (decl) {
+ if (_this.disabledValue(decl, result)) return;
+
+ var unprefixed = _this.prefixes.unprefixed(decl.prop);
+ for (var _iterator = _this.prefixes.values('add', unprefixed), _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 value = _ref;
+
+ value.process(decl, result);
+ }
+ Value.save(_this.prefixes, decl);
+ });
+ };
+
+ /**
+ * Remove unnecessary pefixes
+ */
+
+
+ Processor.prototype.remove = function remove(css, result) {
+ var _this2 = this;
+
+ // At-rules
+ var resolution = this.prefixes.remove['@resolution'];
+
+ css.walkAtRules(function (rule, i) {
+ if (_this2.prefixes.remove['@' + rule.name]) {
+ if (!_this2.disabled(rule, result)) {
+ rule.parent.removeChild(i);
+ }
+ } else if (rule.name === 'media' && rule.params.indexOf('-resolution') !== -1 && resolution) {
+ resolution.clean(rule);
+ }
+ });
+
+ // Selectors
+
+ var _loop = function _loop(checker) {
+ css.walkRules(function (rule, i) {
+ if (checker.check(rule)) {
+ if (!_this2.disabled(rule, result)) {
+ rule.parent.removeChild(i);
+ }
+ }
+ });
+ };
+
+ for (var _iterator2 = this.prefixes.remove.selectors, _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 checker = _ref2;
+
+ _loop(checker);
+ }
+
+ return css.walkDecls(function (decl, i) {
+ if (_this2.disabled(decl, result)) return;
+
+ var rule = decl.parent;
+ var unprefixed = _this2.prefixes.unprefixed(decl.prop);
+
+ // Transition
+ if (decl.prop === 'transition' || decl.prop === 'transition-property') {
+ _this2.prefixes.transition.remove(decl);
+ }
+
+ // Properties
+ if (_this2.prefixes.remove[decl.prop] && _this2.prefixes.remove[decl.prop].remove) {
+ var notHack = _this2.prefixes.group(decl).down(function (other) {
+ return _this2.prefixes.normalize(other.prop) === unprefixed;
+ });
+
+ if (unprefixed === 'flex-flow') {
+ notHack = true;
+ }
+
+ if (notHack && !_this2.withHackValue(decl)) {
+ if (decl.raw('before').indexOf('\n') > -1) {
+ _this2.reduceSpaces(decl);
+ }
+ rule.removeChild(i);
+ return;
+ }
+ }
+
+ // Values
+ for (var _iterator3 = _this2.prefixes.values('remove', unprefixed), _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 checker = _ref3;
+
+ if (!checker.check(decl.value)) {
+ continue;
+ }
+
+ unprefixed = checker.unprefixed;
+ var _notHack = _this2.prefixes.group(decl).down(function (other) {
+ return other.value.indexOf(unprefixed) !== -1;
+ });
+
+ if (_notHack) {
+ rule.removeChild(i);
+ return;
+ }
+ }
+ });
+ };
+
+ /**
+ * Some rare old values, which is not in standard
+ */
+
+
+ Processor.prototype.withHackValue = function withHackValue(decl) {
+ return decl.prop === '-webkit-background-clip' && decl.value === 'text';
+ };
+
+ /**
+ * Check for grid/flexbox options.
+ */
+
+
+ Processor.prototype.disabledValue = function disabledValue(node, result) {
+ if (this.prefixes.options.grid === false && node.type === 'decl') {
+ if (node.prop === 'display' && node.value.indexOf('grid') !== -1) {
+ return true;
+ }
+ }
+ if (this.prefixes.options.flexbox === false && node.type === 'decl') {
+ if (node.prop === 'display' && node.value.indexOf('flex') !== -1) {
+ return true;
+ }
+ }
+
+ return this.disabled(node, result);
+ };
+
+ /**
+ * Check for grid/flexbox options.
+ */
+
+
+ Processor.prototype.disabledDecl = function disabledDecl(node, result) {
+ if (this.prefixes.options.grid === false && node.type === 'decl') {
+ if (node.prop.indexOf('grid') !== -1 || node.prop === 'justify-items') {
+ return true;
+ }
+ }
+ if (this.prefixes.options.flexbox === false && node.type === 'decl') {
+ var other = ['order', 'justify-content', 'align-items', 'align-content'];
+ if (node.prop.indexOf('flex') !== -1 || other.indexOf(node.prop) !== -1) {
+ return true;
+ }
+ }
+
+ return this.disabled(node, result);
+ };
+
+ /**
+ * Check for control comment and global options
+ */
+
+
+ Processor.prototype.disabled = function disabled(node, result) {
+ if (!node) return false;
+ if (node._autoprefixerDisabled !== undefined) {
+ return node._autoprefixerDisabled;
+ }
+
+ if (node.nodes) {
+ var status = undefined;
+ node.each(function (i) {
+ if (i.type !== 'comment') return;
+ if (/(!\s*)?autoprefixer:\s*(off|on)/i.test(i.text)) {
+ if (typeof status !== 'undefined') {
+ result.warn('Second Autoprefixer control comment ' + 'was ignored. Autoprefixer applies control ' + 'comment to whole block, not to next rules.', { node: i });
+ } else {
+ status = /on/i.test(i.text);
+ }
+ }
+ });
+
+ var value = false;
+ if (status !== undefined) {
+ value = !status;
+ } else if (node.parent) {
+ value = this.disabled(node.parent, result);
+ }
+
+ node._autoprefixerDisabled = value;
+ return node._autoprefixerDisabled;
+ } else {
+ node._autoprefixerDisabled = this.disabled(node.parent, result);
+ return node._autoprefixerDisabled;
+ }
+ };
+
+ /**
+ * Normalize spaces in cascade declaration group
+ */
+
+
+ Processor.prototype.reduceSpaces = function reduceSpaces(decl) {
+ var stop = false;
+ this.prefixes.group(decl).up(function () {
+ stop = true;
+ return true;
+ });
+ if (stop) {
+ return;
+ }
+
+ var parts = decl.raw('before').split('\n');
+ var prevMin = parts[parts.length - 1].length;
+ var diff = false;
+
+ this.prefixes.group(decl).down(function (other) {
+ parts = other.raw('before').split('\n');
+ var last = parts.length - 1;
+
+ if (parts[last].length > prevMin) {
+ if (diff === false) {
+ diff = parts[last].length - prevMin;
+ }
+
+ parts[last] = parts[last].slice(0, -diff);
+ other.raws.before = parts.join('\n');
+ }
+ });
+ };
+
+ /**
+ * Is it flebox or grid rule
+ */
+
+
+ Processor.prototype.displayType = function displayType(decl) {
+ for (var _iterator4 = decl.parent.nodes, _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 i = _ref4;
+
+ if (i.prop !== 'display') {
+ continue;
+ }
+
+ if (i.value.indexOf('flex') !== -1) {
+ return 'flex';
+ }
+
+ if (i.value.indexOf('grid') !== -1) {
+ return 'grid';
+ }
+ }
+
+ return false;
+ };
+
+ return Processor;
+}();
+
+module.exports = Processor;
\ No newline at end of file
projects / dotfiles / .git / blobdiff