1 files changed, 58 insertions, 0 deletions
diff --git a/vendor/twbs/bootstrap/build/workbox.js b/vendor/twbs/bootstrap/build/workbox.js
new file mode 100644
index 000000000..3a7ba450a
--- /dev/null
+++ b/vendor/twbs/bootstrap/build/workbox.js
@@ -0,0 +1,58 @@
+/*!
+ * Script to generate our docs service worker.
+ * 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 swBuild = require('workbox-build')
+const config = require('./workbox.config.json')
+
+const buildPrefix = '_gh_pages/'
+
+const workboxSWSrcPath = require.resolve('workbox-sw')
+const wbFileName = path.basename(workboxSWSrcPath)
+const workboxSWDestPath = `${buildPrefix}docs/4.1/assets/js/vendor/${wbFileName}`
+const workboxSWSrcMapPath = `${workboxSWSrcPath}.map`
+const workboxSWDestMapPath = `${workboxSWDestPath}.map`
+
+fs.createReadStream(workboxSWSrcPath).pipe(fs.createWriteStream(workboxSWDestPath))
+fs.createReadStream(workboxSWSrcMapPath).pipe(fs.createWriteStream(workboxSWDestMapPath))
+
+const updateUrl = (manifestEntries) => {
+  const manifest = manifestEntries.map((entry) => {
+    if (entry.url.startsWith(buildPrefix)) {
+      const regex = new RegExp(buildPrefix, 'g')
+      entry.url = entry.url.replace(regex, '')
+    }
+    return entry
+  })
+  return {
+    manifest,
+    warnings: []
+  }
+}
+
+config.manifestTransforms = [updateUrl]
+
+swBuild.injectManifest(config).then(({
+  count,
+  size
+}) => {
+  const wbSwRegex = /{fileName}/g
+  fs.readFile(config.swDest, 'utf8', (err, data) => {
+    if (err) {
+      throw err
+    }
+    const swFileContents = data.replace(wbSwRegex, wbFileName)
+    fs.writeFile(config.swDest, swFileContents, () => {
+      console.log(`Pre-cache Manifest generated. Pre-cached ${count} files, totalling ${size} bytes.`)
+    })
+  })
+}).catch((error) => {
+  console.error(`Something went wrong: ${error}`)
+})