GraphQL.Attachments/src/SampleWeb/test.html at main · SimonCropp/GraphQL.Attachments · GitHub

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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <script>
        // begin-snippet: PostMutationWithTextResult
        function PostMutationWithTextResult() {
            var postSettings = BuildPostSettings();
            return fetch('graphql', postSettings)
                .then(function (data) {
                    return data.text().then(x => {
                        result.innerHTML = x;
                    });
                });
        }
        // end-snippet

        // begin-snippet: PostMutationAndDownloadFile
        function PostMutationAndDownloadFile() {

            var postSettings = BuildPostSettings();
            return fetch('graphql', postSettings)
                .then(function (data) {
                    return data.formData().then(x => {
                        var resultContent = '';
                        x.forEach(e => {
                            // This is the attachments
                            if (e.name) {
                                var a = document.createElement('a');
                                var blob = new Blob([e]);
                                a.href = window.URL.createObjectURL(blob);
                                a.download = e.name;
                                a.click();
                            }
                            else {
                                resultContent += JSON.stringify(e);
                            }
                        });
                        result.innerHTML = resultContent;
                    });
                });
        }
        // end-snippet

        // begin-snippet: BuildPostSettings
        function BuildPostSettings() {
            var data = new FormData();
            var files = document.getElementById("files").files;
            for (var i = 0; i < files.length; i++) {
                data.append('files[]', files[i], files[i].name);
            }
            data.append(
                "query",
                'mutation{ withAttachment (argument: "argumentValue"){argument}}'
            );

            return {
                method: 'POST',
                body: data
            };
        }
        // end-snippet
    </script>
</head>
<body>
    Select files: <input type="file" id="files" multiple /><br /><br />
    <button onclick="PostMutationWithTextResult()">PostMutation With Text Result</button><br /><br />
    <button onclick="PostMutationAndDownloadFile()">PostMutation And Download File</button><br /><br />

<pre id="result"></pre>
</body>
</html>