├── .editorconfig ├── .github └── workflows │ └── main.workflow ├── .gitignore ├── .travis.yml ├── license ├── package-lock.json ├── package.json ├── readme.md ├── src ├── bin.js ├── index.js └── util │ └── fs.js └── test ├── index.js └── site ├── index.html └── script.js /.editorconfig: -------------------------------------------------------------------------------- 1 | # http://editorconfig.org 2 | root = true 3 | 4 | [*] 5 | indent_size = 2 6 | indent_style = space 7 | end_of_line = lf 8 | charset = utf-8 9 | trim_trailing_whitespace = true 10 | insert_final_newline = true 11 | 12 | [*.{json,yml,md}] 13 | indent_style = space -------------------------------------------------------------------------------- /.github/workflows/main.workflow: -------------------------------------------------------------------------------- 1 | name: CI 2 | 3 | on: [push, pull_request] 4 | 5 | jobs: 6 | test: 7 | name: Node.js v${{ matrix.nodejs }} 8 | runs-on: ubuntu-latest 9 | strategy: 10 | matrix: 11 | nodejs: [8, 10, 12] 12 | 13 | steps: 14 | - uses: actions/checkout@master 15 | with: 16 | fetch-depth: 1 17 | - uses: actions/setup-node@v1 18 | with: 19 | node-version: ${{ matrix.nodejs }} 20 | 21 | - name: Install 22 | run: | 23 | npm install 24 | - name: Test 25 | run: npm test 26 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | node_modules 2 | .DS_Store 3 | dist -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: node_js 2 | node_js: 3 | - 6 4 | -------------------------------------------------------------------------------- /license: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) Terkel Gjervig (terkel.com) 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 6 | 7 | The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 8 | 9 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 10 | -------------------------------------------------------------------------------- /package-lock.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "antedate", 3 | "version": "1.0.0", 4 | "lockfileVersion": 1, 5 | "requires": true, 6 | "dependencies": { 7 | "@polka/url": { 8 | "version": "0.5.0", 9 | "resolved": "https://registry.npmjs.org/@polka/url/-/url-0.5.0.tgz", 10 | "integrity": "sha512-oZLYFEAzUKyi3SKnXvj32ZCEGH6RDnao7COuCVhDydMS9NrCSVXhM79VaKyP5+Zc33m0QXEd2DN3UkU7OsHcfw==" 11 | }, 12 | "agent-base": { 13 | "version": "4.3.0", 14 | "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.3.0.tgz", 15 | "integrity": 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769 | } 770 | } 771 | } 772 | } 773 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "antedate", 3 | "version": "1.0.0", 4 | "repository": "terkelg/antedate", 5 | "description": "pre-render static websites with ease", 6 | "main": "src/index.js", 7 | "license": "MIT", 8 | "bin": "src/bin.js", 9 | "author": { 10 | "name": "Terkel Gjervig", 11 | "email": "terkel@terkel.com", 12 | "url": "https://terkel.com" 13 | }, 14 | "engines": { 15 | "node": ">=8" 16 | }, 17 | "scripts": { 18 | "start": "node src/bin.js", 19 | "test": "tape test/*.js | tap-spec" 20 | }, 21 | "files": [ 22 | "src" 23 | ], 24 | "keywords": [ 25 | "cli", 26 | "static", 27 | "chrome", 28 | "browser", 29 | "chromium", 30 | "headless", 31 | "prerender" 32 | ], 33 | "dependencies": { 34 | "eliminate": "^1.1.0", 35 | "mkdirplz": "^1.0.1", 36 | "puppeteer": "^1.19.0", 37 | "sade": "^1.6.1", 38 | "sirv": "^0.4.2" 39 | }, 40 | "devDependencies": { 41 | "tap-spec": "^5.0.0", 42 | "tape": "^4.11.0" 43 | } 44 | } 45 | -------------------------------------------------------------------------------- /readme.md: -------------------------------------------------------------------------------- 1 | # Antedate 2 | 3 | > Pre-render static websites with ease. 4 | 5 | Antedate is a simple API and CLI that uses Chrome pupeteer to pre-render client-side websites. 6 | It automatically spins up a local server and renders each route provided. 7 | 8 | ## Install 9 | 10 | ``` 11 | $ npm install antedate 12 | ``` 13 | 14 | 15 | ## Usage 16 | 17 | You can either use the [API](#api) or [CLI](#cli). 18 | 19 | ``` 20 | $ antedate render -r /home -r /about 21 | ``` 22 | 23 | ```js 24 | import antedate from 'antedate' 25 | 26 | const routes = ['/', '/about', '/contact']; 27 | const site = './site'; 28 | 29 | await antedate(site, routes); 30 | // => [ 31 | // { html: '....', route: '/', path: '/index.html' }, 32 | // { html: '....', route: '/about', path: '/about.html' } 33 | // ... 34 | // ] 35 | 36 | await antedate(site, routes, { headless: false, dirs: true }); 37 | // => [ 38 | // { html: '....', route: '/', path: '/index.html' }, 39 | // { html: '....', route: '/about', path: '/about/index.html' } 40 | // ... 41 | // ] 42 | ``` 43 | 44 | 45 | ## CLI 46 | 47 | The module also comes with an CLI 48 | 49 | ``` 50 | Description 51 | Pre-render the routes given 52 | 53 | Usage 54 | $ antedate render [options] 55 | 56 | Options 57 | -s, --selector Wait for the following selector before rendering 58 | -w, --wait MS to wait before saving page. Happens after selector wait 59 | -r, --route Prerender the route specified 60 | -d, --dir Directory containing the static site (default .) 61 | -o, --output Output directory (default ./static) 62 | -h, --help Displays this message 63 | 64 | Examples 65 | $ antedate render -r /home -r /about 66 | ``` 67 | 68 | 69 | ## API 70 | 71 | ### antedate(root, routes, opts?) 72 | Returns: `Array` 73 | 74 | Returns a rendering function that will optionally accept a [`date`](#date) value as its only argument. 75 | 76 | #### root 77 | Type: `String`
78 | Required: `true` 79 | 80 | Path to the directory containing the static site to pre-render. Antedate automatically starts a local server. 81 | 82 | #### routes 83 | Type: `Array`
84 | Required: `true` 85 | 86 | Array of routes to be rendered. The root `/` is always rendered last. 87 | E.g. `['/about', '/contact', '/']`. 88 | 89 | #### opts 90 | Type: `Object`
91 | Required: `false` 92 | 93 | ##### headless 94 | Type: `Boolean`
95 | Default: `false` 96 | 97 | Wether to run puppeteer in headless mode. 98 | 99 | ##### selector 100 | Type: `String`
101 | Default: `` 102 | 103 | Wait for `selector` to appear before rendering the site. E.g. `body.prerender`. 104 | 105 | ##### wait 106 | Type: `Number`
107 | Default: `` 108 | 109 | Milliseconds to before rendering the site. 110 | > **OBS:** This happens after the [selector](#selector) option if both are provided. 111 | 112 | ##### script 113 | Type: `Function`
114 | Default: `` 115 | 116 | A callback function to execute on the page before the rendering happens. 117 | 118 | ##### decorator 119 | Type: `Function`
120 | Default: `` 121 | 122 | A decorator function that allows you to manupulate the rendered HTML string. 123 | 124 | ```js 125 | await antedate(site, routes, { decorator: html => html.toUpperCase()}); 126 | ``` 127 | 128 | 129 | ## Credit 130 | 131 | The idea and logic is based on code from [PWA](https://github.com/lukeed/pwa) by [Luke Edwards](https://github.com/lukeed). See original implementation in [build.js](https://github.com/lukeed/pwa/blob/master/packages/cli/lib/build.js#L114) in [@pwa/cli](https://github.com/lukeed/pwa/blob/master/packages/cli). 132 | 133 | 134 | ## License 135 | 136 | [MIT License](LICENSE) @ [Terkel Gjervig](https://terkel.com) -------------------------------------------------------------------------------- /src/bin.js: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env node 2 | 3 | const antedate = require('./index'); 4 | const {writer} = require('./util/fs'); 5 | const pkg = require('../package.json'); 6 | const eliminate = require('eliminate'); 7 | const {join} = require('path'); 8 | const sade = require('sade'); 9 | 10 | const prog = sade('antedate'); 11 | prog.version(pkg.version); 12 | 13 | prog 14 | .command('render') 15 | .describe('Pre-render the routes given') 16 | .option('-s, --selector', 'Wait for the following selector before rendering') 17 | .option('-w, --wait', 'MS to wait before saving page. Happens after selector wait') 18 | .option('-r, --route', 'Prerender the route specified') 19 | .option('-d, --dir', 'Directory containing the static site', '.') 20 | .option('-o, --output', 'Output directory', './static') 21 | .example('render -r / -r /home -r /about') 22 | .example('render -r / -r /home -r /about --wait 400') 23 | .action(async opts => { 24 | try { 25 | const renders = await antedate(opts.dir, opts.route, opts); 26 | renders.forEach(async render => { 27 | const path = join(opts.output, render.path); 28 | await eliminate(path).catch(e => {}); 29 | (await writer(path)).end(''+render.html); 30 | }); 31 | } catch (e) { 32 | console.error(e); 33 | } 34 | }); 35 | 36 | prog.parse(process.argv); 37 | -------------------------------------------------------------------------------- /src/index.js: -------------------------------------------------------------------------------- 1 | const fs = require('fs'); 2 | const sirv = require('sirv'); 3 | const {join} = require('path'); 4 | const {createServer} = require('http'); 5 | const puppeteer = require('puppeteer'); 6 | 7 | const expression = 'document.documentElement.outerHTML'; 8 | 9 | async function render(url, browser, opts) { 10 | const page = await browser.newPage(); 11 | await page.goto(url, {waitUntil: 'networkidle0'}); 12 | opts.selector && await page.waitForSelector(opts.selector); 13 | opts.wait && await page.waitFor(opts.wait); 14 | opts.script && await page.evaluate(opts.script); 15 | const content = await page.evaluate(expression); 16 | await page.close(); 17 | return content; 18 | } 19 | 20 | module.exports = async function(root, routes, opts = { headless: true }) { 21 | routes = [].concat(routes).sort(x => x === '/' ? 0 : -1); 22 | const decorator = opts.decorator || (html => html); 23 | const browser = await puppeteer.launch({ 24 | headless: opts.headless, 25 | args: ['--no-sandbox', '--disable-setuid-sandbox', '--disable-gpu'] 26 | }); 27 | 28 | let fn; 29 | let onNoMatch = (req, res) => ((req.path = '/'), fn(req, res, () => ((res.statusCode = 404), res.end()))); 30 | let server = createServer((fn = sirv(root, {onNoMatch}))).listen(); 31 | let url = `http://localhost:${server.address().port}`; 32 | 33 | const results = []; 34 | for (const route of routes) { 35 | const html = decorator(await render(url+route, browser, opts)); 36 | const path = opts.index 37 | ? join(route, `index.html`) 38 | : join(`${route === '/' ? 'index' : route}.html`); 39 | results.push({html, route, path}); 40 | } 41 | 42 | await browser.close(); 43 | server.close(); 44 | 45 | return results; 46 | } 47 | -------------------------------------------------------------------------------- /src/util/fs.js: -------------------------------------------------------------------------------- 1 | const {createWriteStream} = require('fs'); 2 | const {dirname, normalize} = require('path'); 3 | const mkdir = require('mkdirplz'); 4 | 5 | exports.writer = async function(file) { 6 | file = normalize(file.replace(/^\//, '')); 7 | await mkdir(dirname(file)); 8 | return createWriteStream(file); 9 | }; 10 | -------------------------------------------------------------------------------- /test/index.js: -------------------------------------------------------------------------------- 1 | const antedate = require('../src'); 2 | const {join} = require('path'); 3 | const test = require('tape'); 4 | 5 | const content = str => /
(.*)<\/div>/i.exec(str)[1] 6 | 7 | const site = join(__dirname, 'site'); 8 | 9 | const app = async (routes, opts) => { 10 | let renders = await antedate(site, routes, opts); 11 | return renders.map(render => content(render.html)) 12 | } 13 | 14 | test('standard', t => { 15 | t.is(typeof antedate, 'function'); 16 | t.end(); 17 | }); 18 | 19 | test('return', async t => { 20 | let renders = await antedate(site, ['/']) 21 | t.is(Array.isArray(renders), true); 22 | t.is(renders[0].html.includes('/'), true); 23 | t.is(renders[0].route, '/'); 24 | t.is(renders[0].path, 'index.html'); 25 | t.end(); 26 | }); 27 | 28 | test('rendered content', async t => { 29 | let renders = await app('/'); 30 | t.is(renders[0], '/'); 31 | 32 | renders = await app(['/', '/about']); 33 | t.is(renders[0], '/about'); 34 | t.is(renders[1], '/'); 35 | t.end(); 36 | }); 37 | 38 | test('options - index', async t => { 39 | let renders = await antedate(site, ['/about', '/'], { index: true }) 40 | t.is(Array.isArray(renders), true); 41 | t.is(renders[0].route, '/about'); 42 | t.is(renders[0].path, '/about/index.html'); 43 | t.is(renders[1].route, '/'); 44 | t.is(renders[1].path, '/index.html'); 45 | t.end(); 46 | }); 47 | 48 | test('options - script', async t => { 49 | let renders = await app(['/'], { 50 | headless: true, 51 | wait: 500, 52 | selector: '.prerender', 53 | script: () => { 54 | document.querySelector('#app').innerHTML = 'prerender' 55 | }, 56 | decorator: html => html.toUpperCase() 57 | }); 58 | t.is(renders[0], 'PRERENDER'); 59 | t.end(); 60 | }); 61 | -------------------------------------------------------------------------------- /test/site/index.html: -------------------------------------------------------------------------------- 1 |
2 | 3 | -------------------------------------------------------------------------------- /test/site/script.js: -------------------------------------------------------------------------------- 1 | const app = document.querySelector('#app'); 2 | app.innerHTML = window.location.pathname; 3 | app.classList.add('prerender'); 4 | document.getElementsByTagName('script')[0].remove(); 5 | --------------------------------------------------------------------------------