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keksAccountGUI/node_modulesOLD/autoprefixer/lib/supports.js
2019-08-11 20:48:02 +02:00

386 lines
No EOL
8.5 KiB
JavaScript

"use strict";
var postcss = require('postcss');
var data = require('caniuse-lite').feature(require('caniuse-lite/data/features/css-featurequeries.js'));
var Browsers = require('./browsers');
var brackets = require('./brackets');
var Value = require('./value');
var utils = require('./utils');
var supported = [];
for (var browser in data.stats) {
var versions = data.stats[browser];
for (var version in versions) {
var support = versions[version];
if (/y/.test(support)) {
supported.push(browser + ' ' + version);
}
}
}
var Supports =
/*#__PURE__*/
function () {
function Supports(Prefixes, all) {
this.Prefixes = Prefixes;
this.all = all;
}
/**
* Return prefixer only with @supports supported browsers
*/
var _proto = Supports.prototype;
_proto.prefixer = function prefixer() {
if (this.prefixerCache) {
return this.prefixerCache;
}
var filtered = this.all.browsers.selected.filter(function (i) {
return supported.indexOf(i) !== -1;
});
var browsers = new Browsers(this.all.browsers.data, filtered, this.all.options);
this.prefixerCache = new this.Prefixes(this.all.data, browsers, this.all.options);
return this.prefixerCache;
}
/**
* Parse string into declaration property and value
*/
;
_proto.parse = function parse(str) {
var parts = str.split(':');
var prop = parts[0];
var value = parts[1];
if (!value) value = '';
return [prop.trim(), value.trim()];
}
/**
* Create virtual rule to process it by prefixer
*/
;
_proto.virtual = function virtual(str) {
var _this$parse = this.parse(str),
prop = _this$parse[0],
value = _this$parse[1];
var rule = postcss.parse('a{}').first;
rule.append({
prop: prop,
value: value,
raws: {
before: ''
}
});
return rule;
}
/**
* Return array of Declaration with all necessary prefixes
*/
;
_proto.prefixed = function prefixed(str) {
var rule = this.virtual(str);
if (this.disabled(rule.first)) {
return rule.nodes;
}
var result = {
warn: function warn() {
return null;
}
};
var prefixer = this.prefixer().add[rule.first.prop];
prefixer && prefixer.process && prefixer.process(rule.first, result);
for (var _iterator = rule.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 decl = _ref;
for (var _iterator2 = this.prefixer().values('add', rule.first.prop), _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 value = _ref2;
value.process(decl);
}
Value.save(this.all, decl);
}
return rule.nodes;
}
/**
* Return true if brackets node is "not" word
*/
;
_proto.isNot = function isNot(node) {
return typeof node === 'string' && /not\s*/i.test(node);
}
/**
* Return true if brackets node is "or" word
*/
;
_proto.isOr = function isOr(node) {
return typeof node === 'string' && /\s*or\s*/i.test(node);
}
/**
* Return true if brackets node is (prop: value)
*/
;
_proto.isProp = function isProp(node) {
return typeof node === 'object' && node.length === 1 && typeof node[0] === 'string';
}
/**
* Return true if prefixed property has no unprefixed
*/
;
_proto.isHack = function isHack(all, unprefixed) {
var check = new RegExp("(\\(|\\s)" + utils.escapeRegexp(unprefixed) + ":");
return !check.test(all);
}
/**
* Return true if we need to remove node
*/
;
_proto.toRemove = function toRemove(str, all) {
var _this$parse2 = this.parse(str),
prop = _this$parse2[0],
value = _this$parse2[1];
var unprefixed = this.all.unprefixed(prop);
var cleaner = this.all.cleaner();
if (cleaner.remove[prop] && cleaner.remove[prop].remove && !this.isHack(all, unprefixed)) {
return true;
}
for (var _iterator3 = cleaner.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(value)) {
return true;
}
}
return false;
}
/**
* Remove all unnecessary prefixes
*/
;
_proto.remove = function remove(nodes, all) {
var i = 0;
while (i < nodes.length) {
if (!this.isNot(nodes[i - 1]) && this.isProp(nodes[i]) && this.isOr(nodes[i + 1])) {
if (this.toRemove(nodes[i][0], all)) {
nodes.splice(i, 2);
continue;
}
i += 2;
continue;
}
if (typeof nodes[i] === 'object') {
nodes[i] = this.remove(nodes[i], all);
}
i += 1;
}
return nodes;
}
/**
* Clean brackets with one child
*/
;
_proto.cleanBrackets = function cleanBrackets(nodes) {
var _this = this;
return nodes.map(function (i) {
if (typeof i !== 'object') {
return i;
}
if (i.length === 1 && typeof i[0] === 'object') {
return _this.cleanBrackets(i[0]);
}
return _this.cleanBrackets(i);
});
}
/**
* Add " or " between properties and convert it to brackets format
*/
;
_proto.convert = function convert(progress) {
var result = [''];
for (var _iterator4 = progress, _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;
result.push([i.prop + ": " + i.value]);
result.push(' or ');
}
result[result.length - 1] = '';
return result;
}
/**
* Compress value functions into a string nodes
*/
;
_proto.normalize = function normalize(nodes) {
var _this2 = this;
if (typeof nodes !== 'object') {
return nodes;
}
nodes = nodes.filter(function (i) {
return i !== '';
});
if (typeof nodes[0] === 'string' && nodes[0].indexOf(':') !== -1) {
return [brackets.stringify(nodes)];
}
return nodes.map(function (i) {
return _this2.normalize(i);
});
}
/**
* Add prefixes
*/
;
_proto.add = function add(nodes, all) {
var _this3 = this;
return nodes.map(function (i) {
if (_this3.isProp(i)) {
var prefixed = _this3.prefixed(i[0]);
if (prefixed.length > 1) {
return _this3.convert(prefixed);
}
return i;
}
if (typeof i === 'object') {
return _this3.add(i, all);
}
return i;
});
}
/**
* Add prefixed declaration
*/
;
_proto.process = function process(rule) {
var ast = brackets.parse(rule.params);
ast = this.normalize(ast);
ast = this.remove(ast, rule.params);
ast = this.add(ast, rule.params);
ast = this.cleanBrackets(ast);
rule.params = brackets.stringify(ast);
}
/**
* Check global options
*/
;
_proto.disabled = function disabled(node) {
if (!this.all.options.grid) {
if (node.prop === 'display' && node.value.indexOf('grid') !== -1) {
return true;
}
if (node.prop.indexOf('grid') !== -1 || node.prop === 'justify-items') {
return true;
}
}
if (this.all.options.flexbox === false) {
if (node.prop === 'display' && node.value.indexOf('flex') !== -1) {
return true;
}
var other = ['order', 'justify-content', 'align-items', 'align-content'];
if (node.prop.indexOf('flex') !== -1 || other.indexOf(node.prop) !== -1) {
return true;
}
}
return false;
};
return Supports;
}();
module.exports = Supports;