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tree4.js
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tree4.js
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import fs from 'fs';
import path from 'path';
import { flatten } from '../src';
import tree from '../test/fixtures/tree.json';
const pad = (n = 0, chars) => {
let s = '';
while (n > 0) { s += chars; --n }
return s;
};
const openNodes = [
'<root>',
'bravo',
'charlie',
'hotel',
'india'
];
flatten(tree.children, { openNodes: openNodes }).forEach((node, index) => {
const { label = '', state = {}, children = [] } = node;
const { open, path } = state;
let padding = pad(state.depth * 2, ' ');
if (node.hasChildren() && open) {
padding += '- ';
} else if (node.hasChildren() && !open) {
padding += '+ ';
} else {
padding += ' ';
}
console.log('%s%s (%s)', padding, label, path);
});