41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
const {Context} = require("./Context");
|
|
const treeLogger = (tree, context) => {
|
|
if (context.level === 0) {
|
|
console.log(tree.name);
|
|
|
|
if (tree.items) {
|
|
for (let i = 0; i < tree.items.length; ++i) {
|
|
const subtree = tree.items[i];
|
|
const lastIndex = tree.items.length - 1;
|
|
const ctx = new Context(context.level + 1, (i === lastIndex));
|
|
|
|
treeLogger(subtree, ctx);
|
|
}
|
|
}
|
|
} else if (context.level === 1) {
|
|
const rootChar = context.isLast ? '└ ' : '├ ';
|
|
console.log(rootChar + tree.name);
|
|
if (tree.items) {
|
|
for (let i = 0; i < tree.items.length; ++i) {
|
|
const subtree = tree.items[i];
|
|
const lastIndex = tree.items.length - 1;
|
|
const ctx = new Context(context.level + 1, (i === lastIndex));
|
|
|
|
treeLogger(subtree, ctx);
|
|
}
|
|
}
|
|
} else {
|
|
let print = ''
|
|
while (--context.level) {
|
|
print += '|'
|
|
}
|
|
|
|
print += (context.isLast ? '└ ' : '├ ');
|
|
console.log(print + tree.name);
|
|
}
|
|
};
|
|
|
|
module.exports = {
|
|
treeLogger
|
|
};
|