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Merge pull request #270 from edrachev/forDocumentTree_recursive

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Added possibility for recursive calls via callback for forDocumentTree function
This commit is contained in:
John Messerly
2015-04-06 13:59:38 -07:00
parent 58c870917c edde6bbd57
commit 1e1b1113d7
1 changed files with 3 additions and 10 deletions
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13
src/CustomElements/traverse.js
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@@ -58,19 +58,12 @@ function forRoots(node, cb) {
}
}
/*
Note that the import tree can consume itself and therefore special care
must be taken to avoid recursion.
*/
var processingDocuments;
function forDocumentTree(doc, cb) {
processingDocuments = [];
_forDocumentTree(doc, cb);
processingDocuments = null;
_forDocumentTree(doc, cb, []);
}
function _forDocumentTree(doc, cb) {
function _forDocumentTree(doc, cb, processingDocuments) {
doc = wrap(doc);
if (processingDocuments.indexOf(doc) >= 0) {
return;
@@ -79,7 +72,7 @@ function _forDocumentTree(doc, cb) {
var imports = doc.querySelectorAll('link[rel=' + IMPORT_LINK_TYPE + ']');
for (var i=0, l=imports.length, n; (i<l) && (n=imports[i]); i++) {
if (n.import) {
_forDocumentTree(n.import, cb);
_forDocumentTree(n.import, cb, processingDocuments);
}
}
cb(doc);