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hrt

v1.1.6

Published

HTTP Rewrite Tool

Downloads

70

Readme

HTTP Rewrite Tool

HRT是前端代理工具,根据配置把指定的URL指向到本地文件或远程URL。

安装

npm install hrt -g

使用方法

  1. 修改浏览器代理设置,IP:127.0.0.1,端口:2222,推荐用SwitchySharp(Chrome插件)、FoxyProxy(Firefox插件)切换代理。

  2. 创建配置文件 my-hrt-config.js ,添加跳转规则。

    代理文件:

    exports.map = [
    	['http://js.tudouui.com/v3/dist/js/g.js', 'D:\\project\\static\\trunk\\v3\\src\\js\\g.js']
    ];

    代理目录:

    exports.map = [
    	['http://js.tudouui.com/v3/dist/js', 'D:\\project\\static\\trunk\\v3\\src\\js']
    ];
  3. 在命令行输入 hrt my-hrt-config.js ,启动HTTP服务。

    # 修改端口
    hrt my-hrt-config.js --port=8080
    # 输出调试信息
    hrt my-hrt-config.js --debug=true

高级用法

  1. 移除版本号。

    exports.before = function(url) {
    	return url.replace(/([^?]+)_\d+(\.(?:js|css))/, '$1$2');
    };
  2. 修改文件内容。

    exports.merge = function(path, callback) {
    	// 所有JS头部添加注释
    	if (/\.js$/.test(path)) {
    		var content = Util.readFileSync(path, 'utf-8');
    		return callback('application/javascript', '/* test /*\n' + content);
    	}
    	// 其它请求
    	var contentType = require('mime').lookup(path);
    	var buffer = this.util.readFileSync(path);
    	return callback(contentType, buffer);
    };

    注:当配置文件里有 exports.merge 时会接管所有请求,所以在程序逻辑里需要加入文件类型判断。

  3. 修改URL内容。

    exports.merge = function(path, callback) {
    	if (/^http:\/\/(www|wwwtest|beta)\.tudou\.com\/programs\/view\//.test(this.req.url)) {
    		this.util.get(this.req.url, 'gbk', function(body) {
    			callback('text/html', body + '<!-- test -->', 'gbk');
    		});
    		return;
    	}
    	// 其它请求
    	var contentType = require('mime').lookup(path);
    	var buffer = this.util.readFileSync(path);
    	return callback(contentType, buffer);
    };