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"use strict";
var parser = require('postcss-value-parser');
var Value = require('./value');
var insertAreas = require('./hacks/grid-utils').insertAreas;
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 IGNORE_NEXT = /(!\s*)?autoprefixer:\s*ignore\s+next/i;
var GRID_REGEX = /(!\s*)?autoprefixer\s*grid:\s*(on|off|(no-)?autoplace)/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'];
function hasGridTemplate(decl) {
return decl.parent.some(function (i) {
return i.prop === 'grid-template' || i.prop === 'grid-template-areas';
});
}
function hasRowsAndColumns(decl) {
var hasRows = decl.parent.some(function (i) {
return i.prop === 'grid-template-rows';
});
var hasColumns = decl.parent.some(function (i) {
return i.prop === 'grid-template-columns';
});
return hasRows && hasColumns;
}
var Processor =
/*#__PURE__*/
function () {
function Processor(prefixes) {
this.prefixes = prefixes;
}
/**
* Add necessary prefixes
*/
var _proto = Processor.prototype;
_proto.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);
});
});
function insideGrid(decl) {
return decl.parent.some(function (subDecl) {
var displayGrid = subDecl.prop === 'display' && /(inline-)?grid/.test(subDecl.value);
var gridTemplate = /^grid-template/.test(subDecl.prop);
var gridGap = /^grid-([A-z]+-)?gap/.test(subDecl.prop);
return displayGrid || gridTemplate || gridGap;
});
}
function insideFlex(decl) {
return decl.parent.some(function (subDecl) {
return subDecl.prop === 'display' && /(inline-)?flex/.test(subDecl.value);
});
}
var gridPrefixes = this.gridStatus(css, result) && this.prefixes.add['grid-area'] && this.prefixes.add['grid-area'].prefixes;
css.walkDecls(function (decl) {
if (_this.disabledDecl(decl, result)) return undefined;
var parent = decl.parent;
var prop = decl.prop;
var value = decl.value;
if (prop === 'grid-row-span') {
result.warn('grid-row-span is not part of final Grid Layout. Use grid-row.', {
node: decl
});
return undefined;
} else if (prop === 'grid-column-span') {
result.warn('grid-column-span is not part of final Grid Layout. Use grid-column.', {
node: decl
});
return undefined;
} else if (prop === 'display' && value === 'box') {
result.warn('You should write display: flex by final spec ' + 'instead of display: box', {
node: decl
});
return undefined;
} else if (prop === 'text-emphasis-position') {
if (value === 'under' || value === 'over') {
result.warn('You should use 2 values for text-emphasis-position ' + 'For example, `under left` instead of just `under`.', {
node: decl
});
}
} else if (/^(align|justify|place)-(items|content)$/.test(prop) && insideFlex(decl)) {
if (value === 'start' || value === 'end') {
result.warn(value + " value has mixed support, consider using " + ("flex-" + value + " instead"), {
node: decl
});
}
} else if (prop === 'text-decoration-skip' && value === 'ink') {
result.warn('Replace text-decoration-skip: ink to ' + 'text-decoration-skip-ink: auto, because spec had been changed', {
node: decl
});
} else {
if (gridPrefixes) {
if (/^(align|justify|place)-items$/.test(prop) && insideGrid(decl)) {
var fixed = prop.replace('-items', '-self');
result.warn("IE does not support " + prop + " on grid containers. " + ("Try using " + fixed + " on child elements instead: ") + (decl.parent.selector + " > * { " + fixed + ": " + decl.value + " }"), {
node: decl
});
} else if (/^(align|justify|place)-content$/.test(prop) && insideGrid(decl)) {
result.warn("IE does not support " + decl.prop + " on grid containers", {
node: decl
});
} else if (prop === 'display' && decl.value === 'contents') {
result.warn('Please do not use display: contents; ' + 'if you have grid setting enabled', {
node: decl
});
return undefined;
} else if (decl.prop === 'grid-gap') {
var status = _this.gridStatus(decl, result);
if (status === 'autoplace' && !hasRowsAndColumns(decl) && !hasGridTemplate(decl)) {
result.warn('grid-gap only works if grid-template(-areas) is being ' + 'used or both rows and columns have been declared ' + 'and cells have not been manually ' + 'placed inside the explicit grid', {
node: decl
});
} else if ((status === true || status === 'no-autoplace') && !hasGridTemplate(decl)) {
result.warn("grid-gap only works if grid-template(-areas) is being used", {
node: decl
});
}
} else if (prop === 'grid-auto-columns') {
result.warn('grid-auto-columns is not supported by IE', {
node: decl
});
return undefined;
} else if (prop === 'grid-auto-rows') {
result.warn('grid-auto-rows is not supported by IE', {
node: decl
});
return undefined;
} else if (prop === 'grid-auto-flow') {
var hasRows = parent.some(function (i) {
return i.prop === 'grid-template-rows';
});
var hasCols = parent.some(function (i) {
return i.prop === 'grid-template-columns';
});
if (hasGridTemplate(decl)) {
result.warn('grid-auto-flow is not supported by IE', {
node: decl
});
} else if (value.includes('dense')) {
result.warn('grid-auto-flow: dense is not supported by IE', {
node: decl
});
} else if (!hasRows && !hasCols) {
result.warn('grid-auto-flow works only if grid-template-rows and ' + 'grid-template-columns are present in the same rule', {
node: decl
});
}
return undefined;
} else if (value.indexOf('auto-fit') !== -1) {
result.warn('auto-fit value is not supported by IE', {
node: decl,
word: 'auto-fit'
});
return undefined;
} else if (value.indexOf('auto-fill') !== -1) {
result.warn('auto-fill value is not supported by IE', {
node: decl,
word: 'auto-fill'
});
return undefined;
} else if (/^grid-template/.test(prop) && value.indexOf('[') !== -1) {
result.warn('Autoprefixer currently does not support line names. ' + 'Try using grid-template-areas instead.', {
node: decl,
word: '['
});
}
}
if (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 {
var ast = parser(value);
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 i = _ref;
if (i.type === 'function' && i.value === 'radial-gradient') {
for (var _iterator2 = i.nodes, _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 word = _ref2;
if (word.type === 'word') {
if (word.value === 'cover') {
result.warn('Gradient has outdated direction syntax. ' + 'Replace `cover` to `farthest-corner`.', {
node: decl
});
} else if (word.value === 'contain') {
result.warn('Gradient has outdated direction syntax. ' + 'Replace `contain` to `closest-side`.', {
node: decl
});
}
}
}
}
}
}
}
if (value.indexOf('linear-gradient') !== -1) {
if (OLD_LINEAR.test(value)) {
result.warn('Gradient has outdated direction syntax. ' + 'New syntax is like `to left` instead of `right`.', {
node: decl
});
}
}
}
if (SIZES.indexOf(decl.prop) !== -1) {
if (decl.value.indexOf('-fill-available') === -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;
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.gridStatus(decl, result) !== 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.gridStatus(decl, result) !== false) {
prefixer = _this.prefixes.add['grid-column-align'];
if (prefixer && prefixer.prefixes) {
return prefixer.process(decl, result);
}
}
} else if (decl.prop === 'place-self') {
prefixer = _this.prefixes.add['place-self'];
if (prefixer && prefixer.prefixes && _this.gridStatus(decl, result) !== false) {
return prefixer.process(decl, result);
}
} else {
// Properties
prefixer = _this.prefixes.add[decl.prop];
if (prefixer && prefixer.prefixes) {
return prefixer.process(decl, result);
}
}
return undefined;
}); // Insert grid-area prefixes. We need to be able to store the different
// rules as a data and hack API is not enough for this
if (this.gridStatus(css, result)) {
insertAreas(css, this.disabled);
} // Values
return css.walkDecls(function (decl) {
if (_this.disabledValue(decl, result)) return;
var unprefixed = _this.prefixes.unprefixed(decl.prop);
for (var _iterator3 = _this.prefixes.values('add', 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 value = _ref3;
value.process(decl, result);
}
Value.save(_this.prefixes, decl);
});
}
/**
* Remove unnecessary pefixes
*/
;
_proto.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() {
if (_isArray4) {
if (_i4 >= _iterator4.length) return "break";
_ref4 = _iterator4[_i4++];
} else {
_i4 = _iterator4.next();
if (_i4.done) return "break";
_ref4 = _i4.value;
}
var checker = _ref4;
css.walkRules(function (rule, i) {
if (checker.check(rule)) {
if (!_this2.disabled(rule, result)) {
rule.parent.removeChild(i);
}
}
});
};
for (var _iterator4 = this.prefixes.remove.selectors, _isArray4 = Array.isArray(_iterator4), _i4 = 0, _iterator4 = _isArray4 ? _iterator4 : _iterator4[Symbol.iterator]();;) {
var _ref4;
var _ret = _loop();
if (_ret === "break") break;
}
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 (decl.prop === '-webkit-box-orient') {
var hacks = {
'flex-direction': true,
'flex-flow': true
};
if (!decl.parent.some(function (j) {
return hacks[j.prop];
})) return;
}
if (notHack && !_this2.withHackValue(decl)) {
if (decl.raw('before').indexOf('\n') > -1) {
_this2.reduceSpaces(decl);
}
rule.removeChild(i);
return;
}
} // Values
for (var _iterator5 = _this2.prefixes.values('remove', unprefixed), _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 checker = _ref5;
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
*/
;
_proto.withHackValue = function withHackValue(decl) {
return decl.prop === '-webkit-background-clip' && decl.value === 'text';
}
/**
* Check for grid/flexbox options.
*/
;
_proto.disabledValue = function disabledValue(node, result) {
if (this.gridStatus(node, result) === 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.
*/
;
_proto.disabledDecl = function disabledDecl(node, result) {
if (this.gridStatus(node, result) === 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
*/
;
_proto.disabled = function disabled(node, result) {
if (!node) return false;
if (node._autoprefixerDisabled !== undefined) {
return node._autoprefixerDisabled;
}
if (node.parent) {
var p = node.prev();
if (p && p.type === 'comment' && IGNORE_NEXT.test(p.text)) {
node._autoprefixerDisabled = true;
node._autoprefixerSelfDisabled = true;
return true;
}
}
var value = null;
if (node.nodes) {
var status;
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);
}
}
});
if (status !== undefined) {
value = !status;
}
}
if (!node.nodes || value === null) {
if (node.parent) {
var isParentDisabled = this.disabled(node.parent, result);
if (node.parent._autoprefixerSelfDisabled === true) {
value = false;
} else {
value = isParentDisabled;
}
} else {
value = false;
}
}
node._autoprefixerDisabled = value;
return value;
}
/**
* Normalize spaces in cascade declaration group
*/
;
_proto.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
*/
;
_proto.displayType = function displayType(decl) {
for (var _iterator6 = decl.parent.nodes, _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.prop !== 'display') {
continue;
}
if (i.value.indexOf('flex') !== -1) {
return 'flex';
}
if (i.value.indexOf('grid') !== -1) {
return 'grid';
}
}
return false;
}
/**
* Set grid option via control comment
*/
;
_proto.gridStatus = function gridStatus(node, result) {
if (!node) return false;
if (node._autoprefixerGridStatus !== undefined) {
return node._autoprefixerGridStatus;
}
var value = null;
if (node.nodes) {
var status;
node.each(function (i) {
if (i.type !== 'comment') return;
if (GRID_REGEX.test(i.text)) {
var hasAutoplace = /:\s*autoplace/i.test(i.text);
var noAutoplace = /no-autoplace/i.test(i.text);
if (typeof status !== 'undefined') {
result.warn("Second Autoprefixer grid control comment was " + 'ignored. Autoprefixer applies control comments to the whole ' + 'block, not to the next rules.', {
node: i
});
} else if (hasAutoplace) {
status = 'autoplace';
} else if (noAutoplace) {
status = true;
} else {
status = /on/i.test(i.text);
}
}
});
if (status !== undefined) {
value = status;
}
}
if (node.type === 'atrule' && node.name === 'supports') {
var params = node.params;
if (params.indexOf('grid') !== -1 && params.indexOf('auto') !== -1) {
value = false;
}
}
if (!node.nodes || value === null) {
if (node.parent) {
var isParentGrid = this.gridStatus(node.parent, result);
if (node.parent._autoprefixerSelfDisabled === true) {
value = false;
} else {
value = isParentGrid;
}
} else {
value = this.prefixes.options.grid;
}
}
node._autoprefixerGridStatus = value;
return value;
};
return Processor;
}();
module.exports = Processor;