Merge pull request #94 from rsms/fix-hash-regex

Fixes "[hash]" token regex in interpolateString to capture any hash algorithm name

Author: sokra

lib/interpolateName.js

@@ -68,7 +68,7 @@ function interpolateName(loaderContext, name, options) {
 		// Match hash template
 		url = url
 			.replace(
-				/\[(?:(\w+):)?hash(?::([a-z]+\d*))?(?::(\d+))?\]/ig,
+				/\[(?:([^:]+):)?hash(?::([a-z]+\d*))?(?::(\d+))?\]/ig,
 				(all, hashType, digestType, maxLength) => getHashDigest(content, hashType, digestType, parseInt(maxLength, 10))
 			)
 			.replace(

test/interpolateName.test.js

@@ -38,6 +38,29 @@ describe("interpolateName()", () => {
 		});
 	});
 
+	[ "sha1fakename",
+		"9dxfakename",
+		"RSA-SHA256-fakename",
+		"ecdsa-with-SHA1-fakename",
+		"tls1.1-sha512-fakename",
+	].forEach(hashName => {
+		it("should pick hash algorithm by name " + hashName, () => {
+			assert.throws(
+				() => {
+					const interpolatedName = loaderUtils.interpolateName(
+						{ }, "[" + hashName + ":hash:base64:10]", {content:"a"}
+					);
+					// if for any reason the system we're running on has a hash
+					// algorithm matching any of our bogus names, at least make sure
+					// the output is not the unmodified name:
+					assert(interpolatedName[0] !== '[');
+				},
+				/digest method not supported/i
+			);
+		});
+	});
+
+
 	run([
 		[[{}, "", { content: "test string" }], "6f8db599de986fab7a21625b7916589c.bin", "should interpolate default tokens"],
 		[[{}, "[hash:base64]", { content: "test string" }], "2sm1pVmS8xuGJLCdWpJoRL", "should interpolate [hash] token with options"],