talos

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#!/usr/bin/env node
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/*!
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 * Script to generate SRI hashes for use in our docs.
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 * Remember to use the same vendor files as the CDN ones,
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 * otherwise the hashes won't match!
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 *
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 * Copyright 2017-2021 The Bootstrap Authors
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 * Copyright 2017-2021 Twitter, Inc.
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 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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 */
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'use strict'
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const crypto = require('crypto')
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const fs = require('fs')
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const path = require('path')
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const sh = require('shelljs')
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const pkg = require('../package.json')
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sh.config.fatal = true
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const configFile = path.join(__dirname, '../config.yml')
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// Array of objects which holds the files to generate SRI hashes for.
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// `file` is the path from the root folder
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// `configPropertyName` is the config.yml variable's name of the file
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const files = [
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  {
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    file: 'dist/css/bootstrap.min.css',
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    configPropertyName: 'css_hash'
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  },
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  {
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    file: 'dist/js/bootstrap.min.js',
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    configPropertyName: 'js_hash'
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  },
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  {
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    file: 'dist/js/bootstrap.bundle.min.js',
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    configPropertyName: 'js_bundle_hash'
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  },
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  {
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    file: `site/static/docs/${pkg.config.version_short}/assets/js/vendor/jquery.slim.min.js`,
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    configPropertyName: 'jquery_hash'
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  },
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  {
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    file: 'node_modules/popper.js/dist/umd/popper.min.js',
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    configPropertyName: 'popper_hash'
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  }
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]
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files.forEach(file => {
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  fs.readFile(file.file, 'utf8', (err, data) => {
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    if (err) {
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      throw err
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    }
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    const algo = 'sha384'
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    const hash = crypto.createHash(algo).update(data, 'utf8').digest('base64')
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    const integrity = `${algo}-${hash}`
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    console.log(`${file.configPropertyName}: ${integrity}`)
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    sh.sed('-i', new RegExp(`^(\\s+${file.configPropertyName}:\\s+["'])\\S*(["'])`), `$1${integrity}$2`, configFile)
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  })
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})
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