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