|
| 1 | +'use strict' |
| 2 | + |
| 3 | +const { gzipSync } = require('zlib') |
| 4 | + |
| 5 | +const cdn = process.env.CDN || 'http://localhost:8081' |
| 6 | +const version = process.env.VERSION || '' |
| 7 | + |
| 8 | +const createContent = root => ` |
| 9 | + <!doctype html> |
| 10 | + <html class="no-js" lang=""> |
| 11 | + <head> |
| 12 | + <meta charset="utf-8"> |
| 13 | + <meta http-equiv="x-ua-compatible" content="ie=edge"> |
| 14 | + <title></title> |
| 15 | + <meta name="description" content=""> |
| 16 | + <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> |
| 17 | + <link rel="stylesheet" href="${root}/index.css"> |
| 18 | + </head> |
| 19 | + <body> |
| 20 | + <div id="root"></div> |
| 21 | + <script src="${root}/index.js"></script> |
| 22 | + </body> |
| 23 | +` |
| 24 | + |
| 25 | +const createBody = () => { |
| 26 | + const root = [cdn, version].filter(x => x).join('/') |
| 27 | + const content = createContent(root) |
| 28 | + const buffer = gzipSync(content) |
| 29 | + return buffer.toString('base64') |
| 30 | +} |
| 31 | + |
| 32 | +const createResponse = () => ({ |
| 33 | + headers: { |
| 34 | + 'content-type': [{ |
| 35 | + key: 'content-type', |
| 36 | + value: 'text/html; charset=utf-8' |
| 37 | + }], |
| 38 | + 'content-encoding': [{ |
| 39 | + key: 'content-encoding', |
| 40 | + value: 'gzip' |
| 41 | + }] |
| 42 | + }, |
| 43 | + body: createBody(), |
| 44 | + bodyEncoding: 'base64', |
| 45 | + status: '200', |
| 46 | + statusDescription: 'OK' |
| 47 | +}) |
| 48 | + |
| 49 | +let response = null |
| 50 | + |
| 51 | +exports.createResponse = createResponse |
| 52 | + |
| 53 | +exports.handler = (event, context, callback) => { |
| 54 | + if (response === null) response = createResponse() |
| 55 | + callback(null, response) |
| 56 | +} |
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