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sortTree.js
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37 lines (33 loc) · 1.33 KB
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
// @flow
import { nodeHasChildren, isExactUrlMatch } from "./utils";
import type { TreeDirectory } from "./types";
/**
* Look at the nodes in the source tree, and determine the index of where to
* insert a new node. The ordering is index -> folder -> file.
* @memberof utils/sources-tree
* @static
*/
export function sortTree(tree: TreeDirectory, debuggeeUrl: string = "") {
return (tree.contents: any).sort((previousNode, currentNode) => {
const currentNodeIsDir = nodeHasChildren(currentNode);
const previousNodeIsDir = nodeHasChildren(previousNode);
if (currentNode.name === "(index)") {
return 1;
} else if (previousNode.name === "(index)") {
return -1;
} else if (isExactUrlMatch(currentNode.name, debuggeeUrl)) {
return 1;
} else if (isExactUrlMatch(previousNode.name, debuggeeUrl)) {
return -1;
// If neither is the case, continue to compare alphabetically
} else if (previousNodeIsDir && !currentNodeIsDir) {
return -1;
} else if (!previousNodeIsDir && currentNodeIsDir) {
return 1;
}
return previousNode.name.localeCompare(currentNode.name);
});
}