TypeScript + node.js + github.api, 实现github快速找到目标用户

var fn = () => ‘response’

tsc init

var fn = function () { return ‘response’; }

npm i @types/request --save-dev
npm i request –save

npm i @types/lodash --save-dev
npm install lodash --save-dev

import { GithubApiService } from ‘./GithubApiService‘
import { User } from ‘./User‘
import { Repo } from ‘./Repo‘;
import * as ld from ‘lodash‘;

// node.js内置功能，用于获取第三个参数内容
console.log(process.argv[2])

let svc: GithubApiService = new GithubApiService();

if (process.argv.length ) {
    console.log("请输入用户名");
} else {
    svc.getUserInfo("bbcfive", (user: User) => {
        svc.getRepos(user.login, (repos: Repo[]) => {
            // 按照fork的数量由小到大排列 ps：返回值 * -1 代表由大到小排列
            let sortedRepos = ld.sortBy(repos, [(repo: Repo) => repo.forks_count]);
            user.repos = sortedRepos;
            console.log(user);
        })    
    }); 
}

import * as request from ‘request‘
import { User } from ‘./User‘;
import { Repo } from ‘./Repo‘;

const options = {
    headers: {
        ‘User-Agent‘: ‘request‘
    },
    json: true
}

export class GithubApiService {
    getUserInfo(userName:string, callBack: (user: User) => any) {
        request.get("http://api.github.com/users/" + userName, options, (error: any, response: any, body: any) => {
            // 写法一
            // let user = new User(JSON.parse(body)); // typeof body == object
            // 写法二 
            let user: User = new User(body); // typeof body == string
            callBack(user);
        })
    }

    getRepos(userName:string, callBack: (repos: Repo[]) => any) {
        request.get("http://api.github.com/users/" + userName + "/repos", options, (error: any, response: any, body: any) => {
            let repos: Repo[] = body.map((repo: any) => new Repo(repo));
            callBack(repos);
        })
    }
}

export class Repo {
    name: string;
    description: string;
    url: string;
    size: number;
    forks_count: number;

    constructor (repo: any) {
        this.name = repo.name;
        this.description = repo.description;
        this.url = repo.html_url;
        this.size = repo.size;
        this.forks_count = repo.forks_count;
    }
}

import { Repo } from ‘./Repo‘;

export class User {
    login: string;
    fullName: string;
    repoCount: number;
    followerCount: number;
    repos: Repo[] = [];

    constructor (userResponse: any) {
        this.login = userResponse.login;
        this.fullName = userResponse.name;
        this.repoCount = userResponse.public_repos;
        this.followerCount = userResponse.followers;
    }
}

npm start bbcfive // "bbcfive"是我的github用户名