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updateTree.js
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51 lines (42 loc) · 1.22 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 { addToTree } from "./addToTree";
import { collapseTree } from "./collapseTree";
import { createParentMap } from "./utils";
import type { SourcesMap } from "../../reducers/types";
import type { Node } from "./types";
function newSourcesSet(newSources, prevSources) {
const next = newSources.toSet();
const prev = prevSources.toSet();
return next.subtract(prev);
}
type Params = {
newSources: SourcesMap,
prevSources: SourcesMap,
uncollapsedTree: Node,
sourceTree: Node,
debuggeeUrl: string,
projectRoot: string
};
export function updateTree({
newSources,
prevSources,
debuggeeUrl,
projectRoot,
uncollapsedTree,
sourceTree
}: Params) {
const newSet = newSourcesSet(newSources, prevSources);
for (const source of newSet) {
addToTree(uncollapsedTree, source, debuggeeUrl, projectRoot);
}
const newSourceTree = collapseTree(uncollapsedTree);
return {
uncollapsedTree,
sourceTree: newSourceTree,
parentMap: createParentMap(sourceTree),
focusedItem: null
};
}