Add dependencies, permit single-function usage

index.js

@@ -10,29 +10,29 @@ const { validateOptions } = require("@validatem/core");
 const required = require("@validatem/required");
 const isFunction = require("@validatem/is-function");
 const defaultTo = require("@validatem/default-to");
+const wrapValueAsOption = require("@validatem/wrap-value-as-option");
 
 // FIXME: Update other stream implementations to new API
 module.exports = function simpleSinkStream(_options) {
-	let { onResult, onEnd, onAbort } = validateOptions(arguments, {
+	let { onResult, onEnd, onAbort } = validateOptions(arguments, [
+		required,
+		wrapValueAsOption("onResult"), {
 			onResult: [ required, isFunction ],
-		onEnd: [ isFunction, defaultTo.literal(defaultOnEnd) ],
+			onEnd: [ isFunction, defaultTo.literal(function defaultOnEnd() {
-		onAbort: [ isFunction, defaultTo.literal(defaultOnAbort) ]
+				// We return whatever value we got last from the specified onResult callback.
-	});
+				return lastResult;
+			})],
+			onAbort: [ isFunction, defaultTo.literal(function defaultOnAbort() {
+				// no-op
+			})]
+		}
+	]);
 
 	let lastResult;
 	let onEndCalled = false;
 	let onEndResult;
 	let abortHandled = false;
 
-	function defaultOnEnd() {
-		// We return whatever value we got last from the specified onResult callback.
-		return lastResult;
-	}
-
-	function defaultOnAbort() {
-		// no-op
-	}
-
 	return {
 		description: `simple sink stream`,
 		abort: propagateAbort,

package.json

@@ -6,12 +6,15 @@
   "author": "Sven Slootweg <admin@cryto.net>",
   "license": "WTFPL OR CC0-1.0",
   "dependencies": {
+    "@ppstreams/is-aborted": "^0.1.0",
+    "@ppstreams/is-end-of-stream": "^0.1.0",
     "@ppstreams/propagate-abort": "^0.1.2",
     "@ppstreams/propagate-peek": "^0.1.0",
     "@validatem/core": "^0.3.11",
     "@validatem/default-to": "^0.1.0",
     "@validatem/is-function": "^0.1.0",
     "@validatem/required": "^0.1.1",
+    "@validatem/wrap-value-as-option": "^0.1.0",
     "bluebird": "^3.5.4"
   }
 }