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refactor(helper): use type predicates for isEdge and isNode

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This commit is contained in:
moklick
2020-05-16 12:41:33 +02:00
parent 3451836e57
commit edefe860cf
3 changed files with 18 additions and 21 deletions
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src/hooks/useElementUpdater.ts
+5 -5
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@@ -18,10 +18,10 @@ const useElementUpdater = (elements: Elements): void => {
const setEdges = useStoreActions((a) => a.setEdges);
useEffect(() => {
const nodes = elements.filter(isNode) as Node[];
const edges = elements.filter(isEdge).map((e) => parseElement(e)) as Edge[];
const nodes: Node[] = elements.filter(isNode);
const edges: Edge[] = elements.filter(isEdge).map((e) => parseElement(e) as Edge);
const nextNodes = nodes.map((propNode) => {
const nextNodes: Node[] = nodes.map((propNode) => {
const existingNode = state.nodes.find((n) => n.id === propNode.id);
if (existingNode) {
@@ -56,8 +56,8 @@ const useElementUpdater = (elements: Elements): void => {
};
}
return parseElement(propNode);
}) as Node[];
return parseElement(propNode) as Node;
});
const nodesChanged: boolean = !isEqual(state.nodes, nextNodes);
const edgesChanged: boolean = !isEqual(state.edges, edges);