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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 2017-2020 The Bootstrap Authors
* Copyright 2017-2020 Twitter, Inc.
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
*/
'use strict'
const crypto = require('crypto')
const fs = require('fs')
const path = require('path')
const sh = require('shelljs')
const pkg = require('../package.json')
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/js/bootstrap.min.js',
configPropertyName: 'js_hash'
},
{
file: 'dist/js/bootstrap.bundle.min.js',
configPropertyName: 'js_bundle_hash'
},
{
file: `site/docs/${pkg.version_short}/assets/js/vendor/jquery.slim.min.js`,
configPropertyName: 'jquery_hash'
},
{
file: 'node_modules/popper.js/dist/umd/popper.min.js',
configPropertyName: 'popper_hash'
}
]
files.forEach((file) => {
fs.readFile(file.file, 'utf8', (err, data) => {
if (err) {
throw err
}
const algo = 'sha384'
const hash = crypto.createHash(algo).update(data, 'utf8').digest('base64')
const integrity = `${algo}-${hash}`
console.log(`${file.configPropertyName}: ${integrity}`)
sh.sed('-i', new RegExp(`(\\s${file.configPropertyName}:\\s+"|')(\\S+)("|')`), `$1${integrity}$3`, configFile)
})
})
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