323 lines
12 KiB
JavaScript
323 lines
12 KiB
JavaScript
(function() {
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var OLD_DIRECTION, Processor, SIZES, Value, utils, vendor;
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vendor = require('postcss/lib/vendor');
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Value = require('./value');
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utils = require('./utils');
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OLD_DIRECTION = /(^|[^-])(linear|radial)-gradient\(\s*(top|left|right|bottom)/i;
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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'];
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Processor = (function() {
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function Processor(prefixes) {
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this.prefixes = prefixes;
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}
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Processor.prototype.add = function(css, result) {
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var keyframes, resolution, supports, viewport;
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resolution = this.prefixes.add['@resolution'];
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keyframes = this.prefixes.add['@keyframes'];
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viewport = this.prefixes.add['@viewport'];
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supports = this.prefixes.add['@supports'];
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css.walkAtRules((function(_this) {
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return function(rule) {
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if (rule.name === 'keyframes') {
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if (!_this.disabled(rule)) {
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return keyframes != null ? keyframes.process(rule) : void 0;
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}
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} else if (rule.name === 'viewport') {
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if (!_this.disabled(rule)) {
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return viewport != null ? viewport.process(rule) : void 0;
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}
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} else if (rule.name === 'supports') {
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if (_this.prefixes.options.supports !== false && !_this.disabled(rule)) {
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return supports.process(rule);
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}
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} else if (rule.name === 'media' && rule.params.indexOf('-resolution') !== -1) {
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if (!_this.disabled(rule)) {
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return resolution != null ? resolution.process(rule) : void 0;
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}
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}
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};
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})(this));
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css.walkRules((function(_this) {
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return function(rule) {
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var j, len, ref, results, selector;
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if (_this.disabled(rule)) {
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return;
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}
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ref = _this.prefixes.add.selectors;
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results = [];
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for (j = 0, len = ref.length; j < len; j++) {
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selector = ref[j];
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results.push(selector.process(rule, result));
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}
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return results;
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};
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})(this));
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css.walkDecls((function(_this) {
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return function(decl) {
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var display, prefixer;
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if (_this.disabled(decl)) {
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return;
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}
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if (decl.prop === 'display' && decl.value === 'box') {
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result.warn('You should write display: flex by final spec ' + 'instead of display: box', {
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node: decl
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});
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return;
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}
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if (decl.value.indexOf('linear-gradient') !== -1) {
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if (OLD_DIRECTION.test(decl.value)) {
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result.warn('Gradient has outdated direction syntax. ' + 'New syntax is like `to left` instead of `right`.', {
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node: decl
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});
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}
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}
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if (decl.prop === 'text-emphasis-position') {
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if (decl.value === 'under' || decl.value === 'over') {
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result.warn('You should use 2 values for text-emphasis-position ' + 'For example, `under left` instead of just `under`.', {
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node: decl
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});
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}
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}
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if (SIZES.indexOf(decl.prop) !== -1) {
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if (decl.value.indexOf('fill-available') !== -1) {
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result.warn('Replace fill-available to stretch, ' + 'because spec had been changed', {
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node: decl
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});
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} else if (decl.value.indexOf('fill') !== -1) {
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result.warn('Replace fill to stretch, because spec had been changed', {
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node: decl
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});
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}
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}
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if (_this.prefixes.options.flexbox !== false) {
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if (decl.prop === 'grid-row-end' && decl.value.indexOf('span') === -1) {
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result.warn('IE supports only grid-row-end with span. ' + 'You should add grid: false option to Autoprefixer ' + 'and use some JS grid polyfill for full spec support', {
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node: decl
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});
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}
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if (decl.prop === 'grid-row') {
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if (decl.value.indexOf('/') !== -1 && decl.value.indexOf('span') === -1) {
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result.warn('IE supports only grid-row with / and span. ' + 'You should add grid: false option to Autoprefixer ' + 'and use some JS grid polyfill for full spec support', {
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node: decl
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});
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}
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}
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}
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if (decl.prop === 'transition' || decl.prop === 'transition-property') {
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return _this.prefixes.transition.add(decl, result);
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} else if (decl.prop === 'align-self') {
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display = _this.displayType(decl);
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if (display !== 'grid' && _this.prefixes.options.flexbox !== false) {
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prefixer = _this.prefixes.add['align-self'];
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if (prefixer && prefixer.prefixes) {
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prefixer.process(decl);
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}
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}
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if (display !== 'flex' && _this.prefixes.options.grid !== false) {
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prefixer = _this.prefixes.add['grid-row-align'];
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if (prefixer && prefixer.prefixes) {
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return prefixer.process(decl);
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}
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}
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} else {
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prefixer = _this.prefixes.add[decl.prop];
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if (prefixer && prefixer.prefixes) {
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return prefixer.process(decl);
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}
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}
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};
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})(this));
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return css.walkDecls((function(_this) {
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return function(decl) {
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var j, len, ref, unprefixed, value;
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if (_this.disabled(decl)) {
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return;
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}
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unprefixed = _this.prefixes.unprefixed(decl.prop);
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ref = _this.prefixes.values('add', unprefixed);
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for (j = 0, len = ref.length; j < len; j++) {
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value = ref[j];
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value.process(decl, result);
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}
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return Value.save(_this.prefixes, decl);
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};
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})(this));
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};
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Processor.prototype.remove = function(css) {
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var checker, j, len, ref, resolution;
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resolution = this.prefixes.remove['@resolution'];
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css.walkAtRules((function(_this) {
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return function(rule, i) {
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if (_this.prefixes.remove['@' + rule.name]) {
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if (!_this.disabled(rule)) {
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return rule.parent.removeChild(i);
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}
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} else if (rule.name === 'media' && rule.params.indexOf('-resolution') !== -1) {
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return resolution != null ? resolution.clean(rule) : void 0;
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}
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};
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})(this));
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ref = this.prefixes.remove.selectors;
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for (j = 0, len = ref.length; j < len; j++) {
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checker = ref[j];
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css.walkRules((function(_this) {
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return function(rule, i) {
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if (checker.check(rule)) {
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if (!_this.disabled(rule)) {
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return rule.parent.removeChild(i);
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}
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}
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};
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})(this));
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}
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return css.walkDecls((function(_this) {
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return function(decl, i) {
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var k, len1, notHack, ref1, ref2, rule, unprefixed;
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if (_this.disabled(decl)) {
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return;
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}
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rule = decl.parent;
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unprefixed = _this.prefixes.unprefixed(decl.prop);
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if (decl.prop === 'transition' || decl.prop === 'transition-property') {
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_this.prefixes.transition.remove(decl);
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}
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if ((ref1 = _this.prefixes.remove[decl.prop]) != null ? ref1.remove : void 0) {
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notHack = _this.prefixes.group(decl).down(function(other) {
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return _this.prefixes.normalize(other.prop) === unprefixed;
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});
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if (unprefixed === 'flex-flow') {
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notHack = true;
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}
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if (notHack && !_this.withHackValue(decl)) {
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if (decl.raw('before').indexOf("\n") > -1) {
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_this.reduceSpaces(decl);
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}
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rule.removeChild(i);
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return;
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}
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}
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ref2 = _this.prefixes.values('remove', unprefixed);
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for (k = 0, len1 = ref2.length; k < len1; k++) {
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checker = ref2[k];
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if (checker.check(decl.value)) {
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unprefixed = checker.unprefixed;
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notHack = _this.prefixes.group(decl).down(function(other) {
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return other.value.indexOf(unprefixed) !== -1;
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});
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if (notHack) {
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rule.removeChild(i);
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return;
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} else if (checker.clean) {
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checker.clean(decl);
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return;
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}
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}
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}
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};
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})(this));
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};
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Processor.prototype.withHackValue = function(decl) {
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return decl.prop === '-webkit-background-clip' && decl.value === 'text';
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};
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Processor.prototype.disabled = function(node) {
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var other, status;
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if (this.prefixes.options.grid === false && node.type === 'decl') {
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if (node.prop === 'display' && node.value.indexOf('grid') !== -1) {
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return true;
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}
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if (node.prop.indexOf('grid') !== -1 || node.prop === 'justify-items') {
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return true;
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}
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}
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if (this.prefixes.options.flexbox === false && node.type === 'decl') {
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if (node.prop === 'display' && node.value.indexOf('flex') !== -1) {
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return true;
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}
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other = ['order', 'justify-content', 'align-items', 'align-content'];
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if (node.prop.indexOf('flex') !== -1 || other.indexOf(node.prop) !== -1) {
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return true;
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}
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}
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if (node._autoprefixerDisabled != null) {
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return node._autoprefixerDisabled;
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} else if (node.nodes) {
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status = void 0;
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node.each(function(i) {
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if (i.type !== 'comment') {
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return;
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}
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if (/(!\s*)?autoprefixer:\s*off/i.test(i.text)) {
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status = false;
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return false;
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} else if (/(!\s*)?autoprefixer:\s*on/i.test(i.text)) {
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status = true;
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return false;
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}
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});
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return node._autoprefixerDisabled = status != null ? !status : node.parent ? this.disabled(node.parent) : false;
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} else if (node.parent) {
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return node._autoprefixerDisabled = this.disabled(node.parent);
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} else {
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return false;
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}
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};
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Processor.prototype.reduceSpaces = function(decl) {
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var diff, parts, prevMin, stop;
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stop = false;
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this.prefixes.group(decl).up(function(other) {
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return stop = true;
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});
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if (stop) {
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return;
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}
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parts = decl.raw('before').split("\n");
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prevMin = parts[parts.length - 1].length;
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diff = false;
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return this.prefixes.group(decl).down(function(other) {
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var last;
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parts = other.raw('before').split("\n");
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last = parts.length - 1;
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if (parts[last].length > prevMin) {
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if (diff === false) {
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diff = parts[last].length - prevMin;
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}
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parts[last] = parts[last].slice(0, -diff);
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return other.raws.before = parts.join("\n");
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}
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});
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};
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Processor.prototype.displayType = function(decl) {
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var i, j, len, ref;
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ref = decl.parent.nodes;
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for (j = 0, len = ref.length; j < len; j++) {
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i = ref[j];
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if (i.prop === 'display') {
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if (i.value.indexOf('flex') !== -1) {
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return 'flex';
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} else if (i.value.indexOf('grid') !== -1) {
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return 'grid';
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}
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}
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}
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return false;
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};
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return Processor;
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})();
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module.exports = Processor;
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}).call(this);
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