Files F99403491

fromDataURI.js
No OneTemporary
Actions

Subscribers

None

File Metadata

Created: Fri, Jan 24, 06:18

fromDataURI.js
View Options

	'use strict';

	import AxiosError from '../core/AxiosError.js';
	import parseProtocol from './parseProtocol.js';
	import platform from '../platform/index.js';

	const DATA_URL_PATTERN = /^(?:([^;]+);)?(?:[^;]+;)?(base64\|),([\s\S]*)$/;

	/**
	* Parse data uri to a Buffer or Blob
	*
	* @param {String} uri
	* @param {?Boolean} asBlob
	* @param {?Object} options
	* @param {?Function} options.Blob
	*
	* @returns {Buffer\|Blob}
	*/
	export default function fromDataURI(uri, asBlob, options) {
	const _Blob = options && options.Blob \|\| platform.classes.Blob;
	const protocol = parseProtocol(uri);

	if (asBlob === undefined && _Blob) {
	asBlob = true;
	}

	if (protocol === 'data') {
	uri = protocol.length ? uri.slice(protocol.length + 1) : uri;

	const match = DATA_URL_PATTERN.exec(uri);

	if (!match) {
	throw new AxiosError('Invalid URL', AxiosError.ERR_INVALID_URL);
	}

	const mime = match[1];
	const isBase64 = match[2];
	const body = match[3];
	const buffer = Buffer.from(decodeURIComponent(body), isBase64 ? 'base64' : 'utf8');

	if (asBlob) {
	if (!_Blob) {
	throw new AxiosError('Blob is not supported', AxiosError.ERR_NOT_SUPPORT);
	}

	return new _Blob([buffer], {type: mime});
	}

	return buffer;
	}

	throw new AxiosError('Unsupported protocol ' + protocol, AxiosError.ERR_NOT_SUPPORT);
	}

Event Timeline