1 files changed, 60 insertions, 0 deletions
diff --git a/themes/docsy/assets/vendor/bootstrap/build/generate-sri.js b/themes/docsy/assets/vendor/bootstrap/build/generate-sri.js
new file mode 100644
index 0000000..10936e8
--- /dev/null
+++ b/themes/docsy/assets/vendor/bootstrap/build/generate-sri.js
@@ -0,0 +1,60 @@
+#!/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 2017-2018 The Bootstrap Authors
+ * Copyright 2017-2018 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ */
+
+'use strict'
+
+const fs = require('fs')
+const path = require('path')
+const sriToolbox = require('sri-toolbox')
+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/js/bootstrap.min.js',
+    configPropertyName: 'js_hash'
+  },
+  {
+    file: 'site/docs/4.1/assets/js/vendor/jquery-slim.min.js',
+    configPropertyName: 'jquery_hash'
+  },
+  {
+    file: 'site/docs/4.1/assets/js/vendor/popper.min.js',
+    configPropertyName: 'popper_hash'
+  }
+]
+
+files.forEach((file) => {
+  fs.readFile(file.file, 'utf8', (err, data) => {
+    if (err) {
+      throw err
+    }
+
+    const integrity = sriToolbox.generate({
+      algorithms: ['sha384']
+    }, data)
+
+    console.log(`${file.configPropertyName}: ${integrity}`)
+
+    sh.sed('-i', new RegExp(`(\\s${file.configPropertyName}:\\s+"|')(\\S+)("|')`), `$1${integrity}$3`, configFile)
+  })
+})