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ignore error css code gracefully #96

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ignore error css code gracefully #96

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39 changes: 31 additions & 8 deletions lib/parse/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -242,6 +242,27 @@ module.exports = function(css, options){
* Parse declarations.
*/

function handleClosingMissing(subject){
var missingCloseCount = 1;
while(missingCloseCount > 0){
// find the next closing bracket
var match = /}/.exec(css);
if(!match)
return error(subject + "missing '}'");
// update position and css
var str = css.substr(0,match.index + match[0].length);
updatePosition(str);
css = css.substr(match.index + match[0].length);
// clean comments
str = str.replace(/\/\*(.|\n|\r)*?\*\//g,'');
// search for opening or closing brackets
var opened = (str.match(/{/g) || []).length;
var closed = (str.match(/}/g) || []).length;
// update bracket closing counter
missingCloseCount += opened - closed;
}
}

function declarations() {
var decls = [];

Expand All @@ -257,7 +278,8 @@ module.exports = function(css, options){
}
}

if (!close()) return error("missing '}'");
if (!close())
return handleClosingMissing('');
return decls;
}

Expand Down Expand Up @@ -309,7 +331,8 @@ module.exports = function(css, options){
frames = frames.concat(comments());
}

if (!close()) return error("@keyframes missing '}'");
if (!close())
return handleClosingMissing('@keyframes');

return pos({
type: 'keyframes',
Expand All @@ -334,7 +357,7 @@ module.exports = function(css, options){

var style = comments().concat(rules());

if (!close()) return error("@supports missing '}'");
if (!close())return handleClosingMissing('@supports');

return pos({
type: 'supports',
Expand All @@ -357,7 +380,7 @@ module.exports = function(css, options){

var style = comments().concat(rules());

if (!close()) return error("@host missing '}'");
if (!close())return handleClosingMissing('@host');

return pos({
type: 'host',
Expand All @@ -380,7 +403,7 @@ module.exports = function(css, options){

var style = comments().concat(rules());

if (!close()) return error("@media missing '}'");
if (!close()) return handleClosingMissing("@media");

return pos({
type: 'media',
Expand Down Expand Up @@ -427,7 +450,7 @@ module.exports = function(css, options){
decls = decls.concat(comments());
}

if (!close()) return error("@page missing '}'");
if (!close()) return handleClosingMissing("@page");

return pos({
type: 'page',
Expand All @@ -452,7 +475,7 @@ module.exports = function(css, options){

var style = comments().concat(rules());

if (!close()) return error("@document missing '}'");
if (!close()) return handleClosingMissing("@document");

return pos({
type: 'document',
Expand Down Expand Up @@ -481,7 +504,7 @@ module.exports = function(css, options){
decls = decls.concat(comments());
}

if (!close()) return error("@font-face missing '}'");
if (!close()) return handleClosingMissing("@font-face");

return pos({
type: 'font-face',
Expand Down