hexo gitalk 评论自动初始化

第一步 申请Personal Access Token

从 Github 的 Personal access tokens 页面,点击 Generate new token

第二步 安装项目依赖

npm i request xml-parser blueimp-md5 moment hexo-generator-sitemap -S

项目根目录配置文件 _config.yml 添加配置

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# ...
# hexo sitemap网站地图
sitemap:
path: sitemap.xml
# 此配置跟后面新建的文件名相同
template: ./sitemap_template.xml
# ...

第三步 项目根目录下新建 comment.js

comment.js
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#!/usr/bin/env node
const request = require("request");
const fs = require("fs");
const path = require("path");
const url = require("url");
const xmlParser = require("xml-parser");
const YAML = require("yamljs");
const cheerio = require("cheerio");
const md5 = require("md5");
// 根据自己的情况进行配置
const config = {
username: "用户名", // GitHub 用户名
token: "Token", // GitHub Token
repo: "issues的git仓库", // 存放 issues的git仓库
// sitemap.xml的路径,commit.js放置在根目录下,无需修改,其他情况自行处理
sitemapUrl: path.resolve(__dirname, "./public/sitemap.xml"),
kind: "Gitalk", // "Gitalk" or "Gitment",
baseUrl: "http://blog.lingma.top/"
};
let issuesUrl = `https://api.github.com/repos/${config.username}/${config.repo}/issues?access_token=${config.token}`;

let requestGetOpt = {
url: `${issuesUrl}&page=1&per_page=1000`,
json: true,
headers: {
"User-Agent": "github-user",
"Authorization":"token 你的token"
}
};
let requestPostOpt = {
...requestGetOpt,
url:issuesUrl,
method: "POST",
form: ""
};

console.log("开始初始化评论...");

(async function() {
console.log("开始检索链接,请稍等...");

try {
let websiteConfig = YAML.parse(fs.readFileSync(path.resolve(__dirname, "./_config.yml"), "utf8"));

let urls = sitemapXmlReader(config.sitemapUrl);


console.log(`共检索到${urls.length}个链接`);

console.log("开始获取已经初始化的issues:"+`${requestGetOpt.url}` );
let issues = await send(requestGetOpt);
// console.log(issues)
console.log(`已经存在${issues.length}个issues`);

let notInitIssueLinks = urls.filter((link) => {
return !issues.find((item) => {

link = removeProtocol(link);
console.log("link",link)
return !!item.body? item.body.includes(link):false;
});
});


if (notInitIssueLinks.length > 0) {
console.log(`本次有${notInitIssueLinks.length}个链接需要初始化issue:`);
// console.log(notInitIssueLinks);
console.log("开始提交初始化请求, 大约需要40秒...");
/**
* 部署好网站后,直接执行start,新增文章并不会生成评论
* 经测试,最少需要等待40秒,才可以正确生成, 怀疑跟github的api有关系,没有找到实锤
*/
setTimeout(async ()=>{
let initRet = await notInitIssueLinks.map(async (item) => {
let html = await send({ ...requestGetOpt, url: item });
let title = cheerio.load(html)("title").text();
let pathLabel = md5( url.parse(item).path);
console.log("MD5",url,url.parse(item).path,pathLabel)
let body = `${item}<br><br>${websiteConfig.description}`;
let form = JSON.stringify({ body, labels: [config.kind, pathLabel], title });
return send({ ...requestPostOpt, form });
});
console.log(`已完成${initRet.length}个!`);
console.log("可以愉快的发表评论了!");
},40000);
} else {
console.log("本次发布无新增页面,无需初始化issue!!");
}
} catch (e) {
console.log(`初始化issue出错,错误如下:`);
console.log(e);
} finally {

}
})();

function sitemapXmlReader(file) {
let data = fs.readFileSync(file, "utf8");
let sitemap = xmlParser(data);
return sitemap.root.children.map(function (url) {
let loc = url.children.filter(function (item) {
return item.name === "loc";
})[0];
return loc.content;
});
}

function removeProtocol(url) {
return url.substr(url.indexOf(":"));
}

function send(options) {
return new Promise(function (resolve, reject) {
request(options, function (error, response, body) {
if (!error) {
resolve(body);
} else {
reject(error);
}
});
});
}

第四步: 测试

执行 node ./comment.js

第五步: 自动化

修改 package.json

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...
"scripts": {
"b": "npm run c && hexo generate && node comment.js",
"c": "hexo clean",
"d": "npm run b && hexo d ",
"s": "npm run b && hexo s"
},
...

运行 npm run d 或者 npm run s

本文参考: https://blog.jijian.link/2020-01-10/hexo-gitalk-auto-init/