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b5f3067a6a
Initial setup of project dependencies including axios, express, dotenv, and other supporting packages. Added configuration files and documentation for project setup and usage.
54 lines
1.3 KiB
JavaScript
54 lines
1.3 KiB
JavaScript
'use strict';
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import AxiosError from '../core/AxiosError.js';
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import parseProtocol from './parseProtocol.js';
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import platform from '../platform/index.js';
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const DATA_URL_PATTERN = /^(?:([^;]+);)?(?:[^;]+;)?(base64|),([\s\S]*)$/;
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/**
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* Parse data uri to a Buffer or Blob
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*
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* @param {String} uri
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* @param {?Boolean} asBlob
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* @param {?Object} options
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* @param {?Function} options.Blob
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*
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* @returns {Buffer|Blob}
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*/
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export default function fromDataURI(uri, asBlob, options) {
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const _Blob = options && options.Blob || platform.classes.Blob;
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const protocol = parseProtocol(uri);
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if (asBlob === undefined && _Blob) {
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asBlob = true;
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}
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if (protocol === 'data') {
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uri = protocol.length ? uri.slice(protocol.length + 1) : uri;
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const match = DATA_URL_PATTERN.exec(uri);
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if (!match) {
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throw new AxiosError('Invalid URL', AxiosError.ERR_INVALID_URL);
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}
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const mime = match[1];
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const isBase64 = match[2];
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const body = match[3];
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const buffer = Buffer.from(decodeURIComponent(body), isBase64 ? 'base64' : 'utf8');
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if (asBlob) {
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if (!_Blob) {
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throw new AxiosError('Blob is not supported', AxiosError.ERR_NOT_SUPPORT);
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}
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return new _Blob([buffer], {type: mime});
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}
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return buffer;
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}
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throw new AxiosError('Unsupported protocol ' + protocol, AxiosError.ERR_NOT_SUPPORT);
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}
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