#!/usr/bin/env node /*! * Script to generate SRI hashes for use in our docs. * Remember to use the same vendor files as the CDN ones, * otherwise the hashes won't match! * * Copyright 2017-2022 The Bootstrap Authors * Copyright 2017-2022 Twitter, Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) */ 'use strict' const crypto = require('crypto') const fs = require('fs') const path = require('path') const sh = require('shelljs') sh.config.fatal = true const configFile = path.join(__dirname, '../config.yml') // Array of objects which holds the files to generate SRI hashes for. // `file` is the path from the root folder // `configPropertyName` is the config.yml variable's name of the file const files = [ { file: 'dist/css/bootstrap.min.css', configPropertyName: 'css_hash' }, { file: 'dist/css/bootstrap.rtl.min.css', configPropertyName: 'css_rtl_hash' }, { file: 'dist/js/bootstrap.min.js', configPropertyName: 'js_hash' }, { file: 'dist/js/bootstrap.bundle.min.js', configPropertyName: 'js_bundle_hash' }, { file: 'node_modules/@popperjs/core/dist/umd/popper.min.js', configPropertyName: 'popper_hash' } ] for (const file of files) { fs.readFile(file.file, 'utf8', (err, data) => { if (err) { throw err } const algo = 'sha384' const hash = crypto.createHash(algo).update(data, 'utf8').digest('base64') const integrity = `${algo}-${hash}` console.log(`${file.configPropertyName}: ${integrity}`) sh.sed('-i', new RegExp(`^(\\s+${file.configPropertyName}:\\s+["'])\\S*(["'])`), `$1${integrity}$2`, configFile) }) }