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I'm trying to support downloading a file from an API in Edge on iOS. The file is downloaded as a blob, and we already have solutions in place for downloading on Safari and Chrome (Using createObjectUrl and readAsDataUrl respectively), but neither of these seem to work on Edge on iOS.

I can't find anything online around how to do this, and even FileReader doesn't seem to support it.

I have tried to download using solutions that work consistently in Chrome on iOS and Safari on iOS.

Edit: Edge on iOS uses Safari's rendering engine, so any IE11 or Edge on Desktop focused solutions will not work here.

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  • Possible duplicate of Open links made by createObjectURL in IE11 Commented Jan 25, 2019 at 11:39
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    @BlueWater86 This is talking about Edge on iOS, which uses Apple's rendering engine. IE or Desktop Edge focused solutions will not work here. Commented Jan 28, 2019 at 23:10

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In the IE/Edge browser, you could try to use window.navigator.msSaveOrOpenBlob method to download the file. You could check these article: thread 1 and article 1. Code like this:

showFile(blob){ // It is necessary to create a new blob object with mime-type explicitly set // otherwise only Chrome works like it should var newBlob = new Blob([blob], {type: "application/pdf"}) // IE doesn't allow using a blob object directly as link href // instead it is necessary to use msSaveOrOpenBlob if (window.navigator && window.navigator.msSaveOrOpenBlob) { window.navigator.msSaveOrOpenBlob(newBlob); return; } // For other browsers: // Create a link pointing to the ObjectURL containing the blob. const data = window.URL.createObjectURL(newBlob); var link = document.createElement('a'); link.href = data; link.download="file.pdf"; link.click(); setTimeout(function(){ // For Firefox it is necessary to delay revoking the ObjectURL window.URL.revokeObjectURL(data); , 100} }
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This doesn't work on Edge iOS - it is built on Safari's engine and doesn't containwindow.navigator.msSaveOrOpenBlob

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