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outline/app/utils/uploadFile.js

61 lines
1.4 KiB
JavaScript

// @flow
import invariant from "invariant";
import { client } from "./ApiClient";
type Options = {
name?: string,
documentId?: string,
public?: boolean,
};
export const uploadFile = async (
file: File | Blob,
options?: Options = { name: "" }
) => {
const name = file instanceof File ? file.name : options.name;
const response = await client.post("/attachments.create", {
public: options.public,
documentId: options.documentId,
contentType: file.type,
size: file.size,
name,
});
invariant(response, "Response should be available");
const data = response.data;
const attachment = data.attachment;
const formData = new FormData();
for (const key in data.form) {
formData.append(key, data.form[key]);
}
// $FlowFixMe
if (file.blob) {
// $FlowFixMe
formData.append("file", file.file);
} else {
formData.append("file", file);
}
const uploadResponse = await fetch(data.uploadUrl, {
method: "post",
body: formData,
});
invariant(uploadResponse.ok, "Upload failed, try again?");
return attachment;
};
export const dataUrlToBlob = (dataURL: string) => {
var blobBin = atob(dataURL.split(",")[1]);
var array = [];
for (var i = 0; i < blobBin.length; i++) {
array.push(blobBin.charCodeAt(i));
}
const file = new Blob([new Uint8Array(array)], { type: "image/png" });
return file;
};