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index.js
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index.js
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// const MD = require('markdown-it')
// const md = new MD({
// html: true
// })
// const fs = require('fs')
// const profile = fs.readFileSync('./profile.md', 'utf-8')
// const html = md.render(profile)
// const express = require('express')
// const app = express()
// console.log(html)
// app.use('*', (req, res) => {
// res.send(html)
// })
// app.listen('8080', () => {
// console.log('start in localhost:8080')
// })
// // const pdf = require('html-pdf')
// // pdf.create(html, {
// // format: 'A4'
// // }).toFile('./profile.pdf', (err, result) => {
// // if (err) {
// // return console.error(err)
// // }
// // console.log(result)
// // })
// const htmlPdf = require('html-pdf-chrome')
// const options = {
// // port: 9222, // port Chrome is listening on
// };
// htmlPdf.create(html, options).then(pdf => pdf.toFile('./profile.pdf'))
// function p () {
// setTimeout(() => {
// console.log('settimeout 0')
// }, 0)
// window.requestAnimationFrame(() => {
// console.log('request')
// })
// setTimeout(() => {
// console.log('settimeout 0')
// }, 0)
// setTimeout(() => {
// console.log('settimeout 17')
// }, 17)
// }
// function bind (context, ...args) {
// const fn = this
// return function (..._args) {
// return fn.call(context, ...args, ..._args)
// }
// }
// c.bind(_this, ...[1])
const data = [{
id: 'a',
parent: 'b'
}, {
id: 'b',
parent: 'c'
}, {
id: 'c',
parent: 'd'
}, {
id: 'd',
parent: null
}, {
id: 'e',
parent: 'd'
}]
var dataMap = {};
data.forEach(function(node) {
dataMap[node.id] = node
})
var tree = [];
data.forEach(function(node) {
// find parent
var parent = dataMap[node.parent];
if (parent) {
// create child array if it doesn't exist
(parent.children || (parent.children = []))
// add node to parent's child array
.push(node);
} else {
// parent is null or missing
tree.push(node);
}
});
console.log(tree)
function toLine(data){
return data.reduce((arr, {id, value, pid, children = []}) =>
arr.concat([{id, value, pid}], toLine(children)), [])
return result;
}
var listarr=toLine(data);
console.log(listarr);
/**
* @param {string} S
* @return {number}
*/
var longestRepeatingSubstring = function(S) {
return binarySearch(S)
};
function binarySearch (S) {
let left = 0;
let right = S.length - 1
let len = S.length
let ans = ''
while (left <= right) {
console.log(left, right)
let mid = Math.floor((left + right) / 2)
const str = hasStr(S, mid)
if (str) {
left = mid + 1
if (str.length > ans.length) {
ans = str
}
} else {
right = mid - 1
}
}
return ans.length
}
function hasStr (S, l) {
console.log(S, l)
for (let i = 0; i < S.length - l; i++) {
const str = S.substr(i, l)
for (let j = i + 1; j < S.length - l; j++) {
const _str = S.substr(j, l)
console.log(S, l, str, _str)
if (_str === str) {
return str
}
}
}
return ''
}
longestRepeatingSubstring("aaaaa")