代码完成，初次提交
This commit is contained in:
kangkang520
2
.gitignore
vendored
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2
.gitignore
vendored
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/node_modules
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package-lock.json
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114
dist/favicon.js
vendored
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114
dist/favicon.js
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"use strict";
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/**
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* favicon的获取顺序为：
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* 1、 拉取指定网址，并检测html代码中header->link标签是否存在favicon，如果存在则使用它们。
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* 2、当第一步不满足的时候回进行猜测，一般猜测 favicon.ico、 favicon.png、 favicon.svg、favicon.gif，如果存在并且mime类型是图片则返回。
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* 3、如果上面两步都不满足，则表示未找到favicon
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*/
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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const url_1 = __importDefault(require("url"));
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const request_1 = __importDefault(require("request"));
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//处理link标签
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function parseLinkTag(uri, link, types) {
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//内容读取
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link = ' ' + link.trim().replace(/(^<\s*link\s*)|(\s*\/?>$)/g, '');
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let match = link.match(/\srel\s*=\s*"([\s\S]+?)"/);
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if (!match)
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return null;
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if (!match[1].trim().split(/\s+/).filter(t => types.indexOf(t) >= 0).length)
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return null;
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match = link.match(/\shref\s*=\s*"([\s\S]*?)"/);
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if (!match)
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return null;
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let href = match[1];
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match = link.match(/\ssizes\s*=\s*"(\d+)[xX](\d+)"/);
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const size = match ? { width: parseInt(match[1]), height: parseInt(match[2]) } : undefined;
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//连接处理
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if (!(/https?:\/\//.test(href))) {
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let { protocol, host, pathname } = url_1.default.parse(uri);
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protocol = protocol || 'https:';
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if (/\/\//.test(href))
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href = protocol + href;
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else {
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if (!host)
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return null;
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if (href[0] == '/')
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href = protocol + '//' + host + href;
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else
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href = protocol + '//' + host + (pathname || '').replace(/\/$/, '') + '/' + href;
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}
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}
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return { url: href, size };
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}
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//从HTML中获取faviconnpm install favicon
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async function getFavIconFromHtml(uri, option) {
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return new Promise(resolve => {
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request_1.default.get(uri, { timeout: option.timeout, headers: option.headers }, (err, res, body) => {
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if (err || !body || !body.match)
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resolve([]);
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//获取所有link标签
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const match = body.match(/<link[\s\S]+?>/g);
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if (!match)
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return resolve([]);
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const favicons = match.map(link => parseLinkTag(uri, link, option.types)).filter(res => !!res);
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resolve(favicons);
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});
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});
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}
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//猜测favicon
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async function guessFavIcon(uri, option) {
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//用于测试请求一个地址，请求成功返回地址否则返回空
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const fetch = (uri) => new Promise(resolve => {
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request_1.default(uri, { timeout: option.timeout, headers: option.headers }, (err, res, body) => {
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if (err || !body || !res.headers['content-type'])
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resolve(null);
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if (/^image\//.test(res.headers['content-type']))
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resolve(uri);
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else
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resolve(null);
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});
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});
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//猜测某个网址
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const guessUri = async (uri) => {
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const urls = await Promise.all(['ico', 'png', 'gif', 'svg'].map(suf => fetch(uri + '/favicon.' + suf)));
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return urls.filter(s => !!s).map(s => ({ url: s }));
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};
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const { protocol, port, host } = url_1.default.parse(uri);
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if (!host)
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return [];
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//如果没有提供协议，则猜测http和https
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if (!protocol) {
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const [f1, f2] = await Promise.all([
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guessUri(`https://${host}`),
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guessUri(`http://${host}`),
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]);
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return [...f1, ...f2];
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}
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//否则猜测给定的地址
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else
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return guessUri(`${protocol}//${host}`);
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}
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/**
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* get favicon from given url
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* @param uri URL
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* @param option Optional
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*/
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async function favicon(uri, option) {
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//选项初始化
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option = option || {};
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option.types = option.types || ['icon'];
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option.timeout = option.timeout || 5000;
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option.headers = {
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'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3610.2 Safari/537.36',
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...option.headers || {},
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};
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//从网页获取数据
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let icons = await getFavIconFromHtml(uri, option);
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if (!icons || !icons.length)
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icons = await guessFavIcon(uri, option);
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return icons;
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}
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exports.favicon = favicon;
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5
dist/index.js
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5
dist/index.js
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const favicon_1 = require("./favicon");
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exports.favicon = favicon_1.favicon;
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module.exports = { favicon: favicon_1.favicon };
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31
package.json
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31
package.json
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{
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"name": "favicon-trap",
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"version": "1.0.1",
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"description": "",
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"main": "dist/index.js",
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"types": "typing/index.d.ts",
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"scripts": {
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"test": "echo \"Error: no test specified\" && exit 1"
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},
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"repository": {
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"type": "git",
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"url": "http://git.iemmp.com/yizhi/favicon-trap.git"
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},
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"keywords": [
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"favicon",
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"trap",
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"fav",
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"ico",
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"shortcut",
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"icon"
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],
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"author": "",
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"license": "ISC",
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"devDependencies": {
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"@types/node": "^10.12.10",
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"@types/request": "^2.48.1"
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},
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"dependencies": {
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"request": "^2.88.0"
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}
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}
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120
src/favicon.ts
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120
src/favicon.ts
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@ -0,0 +1,120 @@
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/**
|
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|
* favicon的获取顺序为：
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||||||
|
* 1、 拉取指定网址，并检测html代码中header->link标签是否存在favicon，如果存在则使用它们。
|
||||||
|
* 2、当第一步不满足的时候回进行猜测，一般猜测 favicon.ico、 favicon.png、 favicon.svg、favicon.gif，如果存在并且mime类型是图片则返回。
|
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* 3、如果上面两步都不满足，则表示未找到favicon
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*/
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import url from 'url'
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import request from 'request'
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/** favicon option */
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export interface FaviconOption {
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/** icon types that be allowed, such as: "icon"、"apple-touch-icon"， default: ['icon'] */
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types?: Array<string>
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/** timeout of request, default: 5000 */
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timeout?: number
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/** headers for http(s) request */
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headers?: { [i: string]: any }
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}
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/** return value of favicon function */
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export interface FavIcon {
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/** url of favicon */
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url: string
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/** size of favicon, when: `<link ... size="128x128" />` */
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size?: {
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width: number
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height: number
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}
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}
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//处理link标签
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function parseLinkTag(uri: string, link: string, types: Array<string>): FavIcon | null {
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//内容读取
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link = ' ' + link.trim().replace(/(^<\s*link\s*)|(\s*\/?>$)/g, '')
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let match = link.match(/\srel\s*=\s*"([\s\S]+?)"/)
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if (!match) return null
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if (!match[1].trim().split(/\s+/).filter(t => types!.indexOf(t) >= 0).length) return null
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match = link.match(/\shref\s*=\s*"([\s\S]*?)"/)
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if (!match) return null
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let href = match[1]
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match = link.match(/\ssizes\s*=\s*"(\d+)[xX](\d+)"/)
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const size = match ? { width: parseInt(match[1]), height: parseInt(match[2]) } : undefined
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|
//连接处理
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|
if (!(/https?:\/\//.test(href))) {
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|
let { protocol, host, pathname } = url.parse(uri)
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|
protocol = protocol || 'https:'
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|
if (/\/\//.test(href)) href = protocol + href
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|
else {
|
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|
if (!host) return null
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|
if (href[0] == '/') href = protocol + '//' + host + href
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|
else href = protocol + '//' + host + (pathname || '').replace(/\/$/, '') + '/' + href
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|
}
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|
}
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|
return { url: href, size }
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|
}
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|
|
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|
//从HTML中获取faviconnpm install favicon
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async function getFavIconFromHtml(uri: string, option: FaviconOption): Promise<Array<FavIcon>> {
|
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|
return new Promise<Array<FavIcon>>(resolve => {
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request.get(uri, { timeout: option.timeout, headers: option.headers }, (err, res, body: string) => {
|
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|
if (err || !body || !body.match) resolve([])
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|
//获取所有link标签
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|
const match = body.match(/<link[\s\S]+?>/g)
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|
if (!match) return resolve([])
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const favicons = match.map(link => parseLinkTag(uri, link, option.types!)).filter(res => !!res)
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resolve(favicons as FavIcon[])
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|
})
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|
})
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|
}
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|
|
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|
//猜测favicon
|
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|
async function guessFavIcon(uri: string, option: FaviconOption): Promise<Array<FavIcon>> {
|
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|
//用于测试请求一个地址，请求成功返回地址否则返回空
|
||||||
|
const fetch = (uri: string) => new Promise<string | null>(resolve => {
|
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|
request(uri, { timeout: option.timeout, headers: option.headers }, (err, res, body) => {
|
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|
if (err || !body || !res.headers['content-type']) resolve(null)
|
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|
if (/^image\//.test(res.headers['content-type']!)) resolve(uri)
|
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|
else resolve(null)
|
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|
})
|
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|
})
|
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|
//猜测某个网址
|
||||||
|
const guessUri = async (uri: string): Promise<Array<FavIcon>> => {
|
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|
const urls = await Promise.all(['ico', 'png', 'gif', 'svg'].map(suf => fetch(uri + '/favicon.' + suf)))
|
||||||
|
return urls.filter(s => !!s).map(s => ({ url: s! }))
|
||||||
|
}
|
||||||
|
const { protocol, port, host } = url.parse(uri)
|
||||||
|
if (!host) return []
|
||||||
|
//如果没有提供协议，则猜测http和https
|
||||||
|
if (!protocol) {
|
||||||
|
const [f1, f2] = await Promise.all([
|
||||||
|
guessUri(`https://${host}`),
|
||||||
|
guessUri(`http://${host}`),
|
||||||
|
])
|
||||||
|
return [...f1, ...f2]
|
||||||
|
}
|
||||||
|
//否则猜测给定的地址
|
||||||
|
else return guessUri(`${protocol}//${host}`)
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* get favicon from given url
|
||||||
|
* @param uri URL
|
||||||
|
* @param option Optional
|
||||||
|
*/
|
||||||
|
export async function favicon(uri: string, option?: FaviconOption) {
|
||||||
|
//选项初始化
|
||||||
|
option = option || {}
|
||||||
|
option.types = option.types || ['icon']
|
||||||
|
option.timeout = option.timeout || 5000
|
||||||
|
option.headers = {
|
||||||
|
'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3610.2 Safari/537.36',
|
||||||
|
...option.headers || {},
|
||||||
|
}
|
||||||
|
//从网页获取数据
|
||||||
|
let icons = await getFavIconFromHtml(uri, option)
|
||||||
|
if (!icons || !icons.length) icons = await guessFavIcon(uri, option)
|
||||||
|
return icons
|
||||||
|
}
|
||||||
4
src/index.ts
Normal file
4
src/index.ts
Normal file
@ -0,0 +1,4 @@
|
|||||||
|
import { favicon, FavIcon, FaviconOption } from './favicon'
|
||||||
|
|
||||||
|
export { favicon, FavIcon, FaviconOption }
|
||||||
|
module.exports = { favicon }
|
||||||
61
tsconfig.json
Normal file
61
tsconfig.json
Normal file
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|
|||||||
|
{
|
||||||
|
"compilerOptions": {
|
||||||
|
/* Basic Options */
|
||||||
|
"target": "esnext", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
|
||||||
|
"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
|
||||||
|
"lib": [
|
||||||
|
"es2015",
|
||||||
|
"es2015.promise"
|
||||||
|
], /* Specify library files to be included in the compilation. */
|
||||||
|
// "allowJs": true, /* Allow javascript files to be compiled. */
|
||||||
|
// "checkJs": true, /* Report errors in .js files. */
|
||||||
|
// "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
|
||||||
|
"declaration": true, /* Generates corresponding '.d.ts' file. */
|
||||||
|
"declarationDir": "./typing", /* Generates corresponding '.d.ts' file. */
|
||||||
|
// "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */
|
||||||
|
// "sourceMap": true, /* Generates corresponding '.map' file. */
|
||||||
|
// "outFile": "./", /* Concatenate and emit output to single file. */
|
||||||
|
"outDir": "./dist", /* Redirect output structure to the directory. */
|
||||||
|
"rootDir": "./src", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
|
||||||
|
// "composite": true, /* Enable project compilation */
|
||||||
|
// "removeComments": true, /* Do not emit comments to output. */
|
||||||
|
// "noEmit": true, /* Do not emit outputs. */
|
||||||
|
// "importHelpers": true, /* Import emit helpers from 'tslib'. */
|
||||||
|
// "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
|
||||||
|
// "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
|
||||||
|
/* Strict Type-Checking Options */
|
||||||
|
"strict": true, /* Enable all strict type-checking options. */
|
||||||
|
// "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */
|
||||||
|
// "strictNullChecks": true, /* Enable strict null checks. */
|
||||||
|
// "strictFunctionTypes": true, /* Enable strict checking of function types. */
|
||||||
|
// "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */
|
||||||
|
// "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */
|
||||||
|
// "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */
|
||||||
|
/* Additional Checks */
|
||||||
|
// "noUnusedLocals": true, /* Report errors on unused locals. */
|
||||||
|
// "noUnusedParameters": true, /* Report errors on unused parameters. */
|
||||||
|
// "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
|
||||||
|
// "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
|
||||||
|
/* Module Resolution Options */
|
||||||
|
// "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
|
||||||
|
// "baseUrl": "./", /* Base directory to resolve non-absolute module names. */
|
||||||
|
// "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
|
||||||
|
// "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */
|
||||||
|
// "typeRoots": [], /* List of folders to include type definitions from. */
|
||||||
|
// "types": [], /* Type declaration files to be included in compilation. */
|
||||||
|
// "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
|
||||||
|
"esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
|
||||||
|
// "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */
|
||||||
|
/* Source Map Options */
|
||||||
|
// "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */
|
||||||
|
// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
|
||||||
|
// "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */
|
||||||
|
// "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
|
||||||
|
/* Experimental Options */
|
||||||
|
// "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */
|
||||||
|
// "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */
|
||||||
|
},
|
||||||
|
"include": [
|
||||||
|
"src/**/*.ts"
|
||||||
|
]
|
||||||
|
}
|
||||||
33
typing/favicon.d.ts
vendored
Normal file
33
typing/favicon.d.ts
vendored
Normal file
@ -0,0 +1,33 @@
|
|||||||
|
/**
|
||||||
|
* favicon的获取顺序为：
|
||||||
|
* 1、 拉取指定网址，并检测html代码中header->link标签是否存在favicon，如果存在则使用它们。
|
||||||
|
* 2、当第一步不满足的时候回进行猜测，一般猜测 favicon.ico、 favicon.png、 favicon.svg、favicon.gif，如果存在并且mime类型是图片则返回。
|
||||||
|
* 3、如果上面两步都不满足，则表示未找到favicon
|
||||||
|
*/
|
||||||
|
/** favicon option */
|
||||||
|
export interface FaviconOption {
|
||||||
|
/** icon types that be allowed, such as: "icon"、"apple-touch-icon"， default: ['icon'] */
|
||||||
|
types?: Array<string>;
|
||||||
|
/** timeout of request, default: 5000 */
|
||||||
|
timeout?: number;
|
||||||
|
/** headers for http(s) request */
|
||||||
|
headers?: {
|
||||||
|
[i: string]: any;
|
||||||
|
};
|
||||||
|
}
|
||||||
|
/** return value of favicon function */
|
||||||
|
export interface FavIcon {
|
||||||
|
/** url of favicon */
|
||||||
|
url: string;
|
||||||
|
/** size of favicon, when: `<link ... size="128x128" />` */
|
||||||
|
size?: {
|
||||||
|
width: number;
|
||||||
|
height: number;
|
||||||
|
};
|
||||||
|
}
|
||||||
|
/**
|
||||||
|
* get favicon from given url
|
||||||
|
* @param uri URL
|
||||||
|
* @param option Optional
|
||||||
|
*/
|
||||||
|
export declare function favicon(uri: string, option?: FaviconOption): Promise<FavIcon[]>;
|
||||||
2
typing/index.d.ts
vendored
Normal file
2
typing/index.d.ts
vendored
Normal file
@ -0,0 +1,2 @@
|
|||||||
|
import { favicon, FavIcon, FaviconOption } from './favicon';
|
||||||
|
export { favicon, FavIcon, FaviconOption };
|
||||||
Reference in New Issue
Block a user