How can Angular 7 be used to accept a ZIP response from an API?

My attempt to download a zip file to my local system using Angular's API response with the desired type as zip has been unsuccessful. Despite specifying the correct content-type and Accept headers, I keep encountering errors.

a.service.ts

 download() {
        const headers: HttpHeaders = new HttpHeaders({
            "content-type": "application/json",
            "Accept": "application/zip"
        });
        return this.http.get(url, {headers: headers, responseType: "arraybuffer"});
    }

a.component.ts

getDownload() {
        console.log("Hello world");
        this.Service.download().subscribe((responseData: any) => {
        console.log(responseData);
        },(error: any) => {
        });

Despite trying different response types such as "blob," "text," and "arraybuffer," I have yet to find a solution to the error that persists during the download process.

https://i.sstatic.net/Y8eN2.png

Answer №1

To properly handle the zip file response, it is important to exclude the headers in your request and change the responseType to blob

By including specific headers, you run the risk of disrupting the default parsing of the blob response type, potentially resulting in incorrect interpretation of the zip file as JSON data

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