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- #!/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 2017-2021 The Bootstrap Authors
- * Copyright 2017-2021 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'
- }
- ]
- files.forEach(file => {
- 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)
- })
- })
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