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rOACCT/node_modules/axios/lib/helpers/fromDataURI.js
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fromDataURI.js
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			'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);
			}