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import axios from '~/lib/utils/axios_utils';
const extractAttachmentLinkUrl = (html) => {
const parser = new DOMParser();
const { body } = parser.parseFromString(html, 'text/html');
const link = body.querySelector('a');
const src = link.getAttribute('href');
const { canonicalSrc } = link.dataset;
return { src, canonicalSrc };
};
/**
* Uploads a file with a post request to the URL indicated
* in the uploadsPath parameter. The expected response of the
* uploads service is a JSON object that contains, at least, a
* link property. The link property should contain markdown link
* definition (i.e. [GitLab](https://gitlab.com)).
*
* This Markdown will be rendered to extract its canonical and full
* URLs using GitLab Flavored Markdown renderer in the backend.
*
* @param {Object} params
* @param {String} params.uploadsPath An absolute URL that points to a service
* that allows sending a file for uploading via POST request.
* @param {String} params.renderMarkdown A function that accepts a markdown string
* and returns a rendered version in HTML format.
* @param {File} params.file The file to upload
*
* @returns Returns an object with two properties:
*
* canonicalSrc: The URL as defined in the Markdown
* src: The absolute URL that points to the resource in the server
*/
export const uploadFile = async ({ uploadsPath, renderMarkdown, file }) => {
const formData = new FormData();
formData.append('file', file, file.name);
const { data } = await axios.post(uploadsPath, formData);
const { markdown } = data.link;
const rendered = await renderMarkdown(markdown);
return extractAttachmentLinkUrl(rendered);
};
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