download multiple files on safari ios

2024-01-01 18:40:16 +02:00
parent 30582b2d75
commit 1b2d978449
2 changed files with 102 additions and 30 deletions
@@ -18,27 +18,64 @@ export default targetable(class extends HTMLElement {
    this.toggleState()

    fetch(this.dataset.src).then((response) => response.json()).then((urls) => {
-      const fileRequests = urls.map((url) => {
-        return () => {
-          return fetch(url).then(async (resp) => {
-            const blobUrl = URL.createObjectURL(await resp.blob())
-            const link = document.createElement('a')
+      const isSafariIos = /iPhone|iPad|iPod/i.test(navigator.userAgent)

-            link.href = blobUrl
-            link.setAttribute('download', decodeURI(url.split('/').pop()))
+      if (isSafariIos && urls.length > 1) {
+        this.downloadSafariIos(urls)
+      } else {
+        this.downloadUrls(urls)
+      }
+    })
+  }

-            link.click()
+  downloadUrls (urls) {
+    const fileRequests = urls.map((url) => {
+      return () => {
+        return fetch(url).then(async (resp) => {
+          const blobUrl = URL.createObjectURL(await resp.blob())
+          const link = document.createElement('a')

-            URL.revokeObjectURL(url)
-          })
-        }
+          link.href = blobUrl
+          link.setAttribute('download', decodeURI(url.split('/').pop()))
+
+          link.click()
+
+          URL.revokeObjectURL(blobUrl)
+        })
+      }
+    })
+
+    fileRequests.reduce(
+      (prevPromise, request) => prevPromise.then(() => request()),
+      Promise.resolve()
+    )
+
+    this.toggleState()
+  }
+
+  downloadSafariIos (urls) {
+    const fileRequests = urls.map((url) => {
+      return fetch(url).then(async (resp) => {
+        const blob = await resp.blob()
+        const blobUrl = URL.createObjectURL(blob.slice(0, blob.size, 'application/octet-stream'))
+        const link = document.createElement('a')
+
+        link.href = blobUrl
+        link.setAttribute('download', decodeURI(url.split('/').pop()))
+
+        return link
      })
+    })

-      fileRequests.reduce(
-        (prevPromise, request) => prevPromise.then(() => request()),
-        Promise.resolve()
-      )
+    Promise.all(fileRequests).then((links) => {
+      links.forEach((link, index) => {
+        setTimeout(() => {
+          link.click()

+          URL.revokeObjectURL(link.href)
+        }, index * 50)
+      })
+    }).finally(() => {
      this.toggleState()
    })
  }