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var makeFallbackFunction = require('./lib/rules-fabric');
module.exports = function postcssInitial(opts) {
opts = opts || {};
opts.reset = opts.reset || 'all';
opts.replace = opts.replace || false;
var getFallback = makeFallbackFunction(opts.reset === 'inherited');
var getPropPrevTo = function (prop, decl) {
var foundPrev = false;
decl.parent.walkDecls(function (child) {
if (child.prop === decl.prop && child.value !== decl.value) {
foundPrev = true;
}
});
return foundPrev;
};
return {
postcssPlugin: 'postcss-initial',
Declaration: function (decl) {
if (!/\binitial\b/.test(decl.value)) {
return;
}
var fallBackRules = getFallback(decl.prop, decl.value);
if (fallBackRules.length === 0) return;
fallBackRules.forEach(function (rule) {
if ( !getPropPrevTo(decl.prop, decl) ) {
decl.cloneBefore(rule);
}
});
if (opts.replace === true) {
decl.remove();
}
}
};
};
module.exports.postcss = true;