[WIP] add base64 support

node-fetch · Jul 11, 2017 · 1fb8470 · 1fb8470
1 parent 432cd8a
commit 1fb8470
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Showing 3 changed files with 34 additions and 1 deletion.
diff --git a/package.json b/package.json
@@ -56,5 +56,5 @@
     "url-search-params": "^0.9.0",
     "whatwg-url": "^4.0.0"
   },
-  "dependencies": { }
+  "dependencies": {}
 }
diff --git a/src/index.js b/src/index.js
@@ -39,6 +39,21 @@ export default function fetch(url, opts) {
 		const request = new Request(url, opts);
 		const options = getNodeRequestOptions(request);
 
+		if (/^data:/.test(url)) { // url.startsWith('data:') 
+			const i  = url.indexOf(','), 
+				prefix = url.slice(5,i), 
+				data = url.slice(i+1),
+				[type, enc] = prefix.split(';');
+			if (enc == 'base64') {
+				const buf = Buffer.from(data, 'base64');
+				// todo make a blob with this buffer and type
+				return Promise.resolve({
+					status: 200,
+					buffer: () => Promise.resolve(buf)
+				})
+			}
+		}
+
 		const send = (options.protocol === 'https:' ? https : http).request;
 
 		// http.request only support string as host header, this hack make custom host header possible

diff --git a/test/test.js b/test/test.js
@@ -1956,4 +1956,22 @@ describe('external encoding', () => {
 			});
 		});
 	});
+
+
+
+	it('should accept data urls', function() {
+
+		const dataUrl = 'data:image/gif;base64,R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs=';
+
+		fetch(dataUrl).then(x => {
+			//console.log(r.status)
+
+			return x.buffer().then(b => {
+				console.assert(b instanceof Buffer);
+			})
+			// todo blob()
+		});
+
+	});
+
 });