bookmarks.getSubTree()
The bookmarks.getSubTree() method asynchronously retrieves a bookmarks.BookmarkTreeNode, given its ID.
If the item is a folder, you can access all its descendants recursively using its children property and the children property of its descendants, if they are themselves folders.
This is an asynchronous function that returns a Promise.
Syntax
let gettingSubTree = browser.bookmarks.getSubTree(
id // string
)
Parameters
Return value
A Promise that is fulfilled with an array containing an object, a bookmarks.BookmarkTreeNode object, representing the item with the given ID.
If a node corresponding to id could not be found, the promise will be rejected with an error message.
Examples
This example recursively prints out the subtree under a given node:
function makeIndent(indentLength) {
return ".".repeat(indentLength);
}
function logItems(bookmarkItem, indent) {
if (bookmarkItem.url) {
console.log(makeIndent(indent) + bookmarkItem.url);
} else {
console.log(`${makeIndent(indent)}Folder: ${bookmarkItem.id}`);
indent++;
}
if (bookmarkItem.children) {
for (const child of bookmarkItem.children) {
logItems(child, indent);
}
}
}
function logSubTree(bookmarkItems) {
logItems(bookmarkItems[0], 0);
}
function onRejected(error) {
console.log(`An error: ${error}`);
}
let subTreeID = "root_____";
browser.bookmarks.getSubTree(subTreeID).then(logSubTree, onRejected);
Browser compatibility
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Note:
This API is based on Chromium's chrome.bookmarks API. This documentation is derived from bookmarks.json in the Chromium code.