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#171 - Allow Parent Nodes to Have an Empty children Array #177

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Merged
merged 1 commit into from
Nov 26, 2019
Merged

#171 - Allow Parent Nodes to Have an Empty children Array #177

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2 changes: 1 addition & 1 deletion src/js/NodeModel.js
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,7 @@ class NodeModel {
}

nodeHasChildren(node) {
return Array.isArray(node.children) && node.children.length > 0;
return Array.isArray(node.children);
}

getDisabledState(node, parent, disabledProp, noCascade) {
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50 changes: 50 additions & 0 deletions test/CheckboxTree.js
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Expand Up @@ -181,6 +181,56 @@ describe('<CheckboxTree />', () => {
{ children: [null, null] },
);
});

it('should render a node with no "children" array as a leaf', () => {
const wrapper = shallow(
<CheckboxTree
nodes={[
{ value: 'jupiter', label: 'Jupiter' },
]}
/>,
);

assert.equal(false, wrapper.find(TreeNode).prop('isParent'));
assert.equal(true, wrapper.find(TreeNode).prop('isLeaf'));
});

it('should render a node with an empty "children" array as a parent', () => {
const wrapper = shallow(
<CheckboxTree
nodes={[
{
value: 'jupiter',
label: 'Jupiter',
children: [],
},
]}
/>,
);

assert.equal(true, wrapper.find(TreeNode).prop('isParent'));
assert.equal(false, wrapper.find(TreeNode).prop('isLeaf'));
});

it('should render a node with a non-empty "children" array as a parent', () => {
const wrapper = shallow(
<CheckboxTree
nodes={[
{
value: 'jupiter',
label: 'Jupiter',
children: [
{ value: 'io', label: 'Io' },
{ value: 'europa', label: 'Europa' },
],
},
]}
/>,
);

assert.equal(true, wrapper.find(TreeNode).prop('isParent'));
assert.equal(false, wrapper.find(TreeNode).prop('isLeaf'));
});
});

describe('noCascade', () => {
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