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"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 _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _defaults(subClass, superClass); }
var vendor = require('postcss').vendor;
var Prefixer = require('./prefixer');
var OldValue = require('./old-value');
var utils = require('./utils');
var Value =
/*#__PURE__*/
function (_Prefixer) {
_inheritsLoose(Value, _Prefixer);
function Value() {
return _Prefixer.apply(this, arguments) || this;
}
/**
* Clone decl for each prefixed values
*/
Value.save = function save(prefixes, decl) {
var _this = this;
var prop = decl.prop;
var result = [];
var _loop = function _loop(prefix) {
var value = decl._autoprefixerValues[prefix];
if (value === decl.value) {
return "continue";
}
var item = void 0;
var propPrefix = vendor.prefix(prop);
if (propPrefix === '-pie-') {
return "continue";
}
if (propPrefix === prefix) {
item = decl.value = value;
result.push(item);
return "continue";
}
var prefixed = prefixes.prefixed(prop, prefix);
var rule = decl.parent;
if (!rule.every(function (i) {
return i.prop !== prefixed;
})) {
result.push(item);
return "continue";
}
var trimmed = value.replace(/\s+/, ' ');
var already = rule.some(function (i) {
return i.prop === decl.prop && i.value.replace(/\s+/, ' ') === trimmed;
});
if (already) {
result.push(item);
return "continue";
}
var cloned = _this.clone(decl, {
value: value
});
item = decl.parent.insertBefore(decl, cloned);
result.push(item);
};
for (var prefix in decl._autoprefixerValues) {
var _ret = _loop(prefix);
if (_ret === "continue") continue;
}
return result;
}
/**
* Is declaration need to be prefixed
*/
;
var _proto = Value.prototype;
_proto.check = function check(decl) {
var value = decl.value;
if (!value.includes(this.name)) {
return false;
}
return !!value.match(this.regexp());
}
/**
* Lazy regexp loading
*/
;
_proto.regexp = function regexp() {
return this.regexpCache || (this.regexpCache = utils.regexp(this.name));
}
/**
* Add prefix to values in string
*/
;
_proto.replace = function replace(string, prefix) {
return string.replace(this.regexp(), "$1" + prefix + "$2");
}
/**
* Get value with comments if it was not changed
*/
;
_proto.value = function value(decl) {
if (decl.raws.value && decl.raws.value.value === decl.value) {
return decl.raws.value.raw;
} else {
return decl.value;
}
}
/**
* Save values with next prefixed token
*/
;
_proto.add = function add(decl, prefix) {
if (!decl._autoprefixerValues) {
decl._autoprefixerValues = {};
}
var value = decl._autoprefixerValues[prefix] || this.value(decl);
var before;
do {
before = value;
value = this.replace(value, prefix);
if (value === false) return;
} while (value !== before);
decl._autoprefixerValues[prefix] = value;
}
/**
* Return function to fast find prefixed value
*/
;
_proto.old = function old(prefix) {
return new OldValue(this.name, prefix + this.name);
};
return Value;
}(Prefixer);
module.exports = Value;
|
