fix: don't try to resolve relative paths where the path alias was a partial match

Fixes #10.

Author: simonhaenisch

index.ts

@@ -18,7 +18,7 @@ export const typescriptPaths = ({
 			}
 
 			const hasMatchingPath = Object.keys(compilerOptions.paths).some((path) =>
-				new RegExp(path.replace('*', '\\w*')).test(importee),
+				new RegExp('^' + path.replace('*', '.+') + '$').test(importee),
 			);
 
 			if (!hasMatchingPath) {

test/index.js

@@ -34,6 +34,15 @@ try {
 	// works with a directory with index file
 	strictEqual(plugin.resolveId('@js', ''), join(__dirname, 'js', 'index.js'));
 
+	// works without the `@` prefix
+	strictEqual(plugin.resolveId('bar/foo', ''), join(__dirname, 'bar', 'foo.js'));
+
+	// works with a different importer
+	strictEqual(plugin.resolveId('bar/foo', join(__dirname, 'foo', 'bar.ts')), join(__dirname, 'bar', 'foo.js'));
+
+	// doesn't accidentally resolve relative paths that also have an alias
+	strictEqual(plugin.resolveId('../bar/foo', join(__dirname, 'foo', 'bar.ts')), null);
+
 	// returns relative paths with option `absolute: false`
 	strictEqual(pluginNonAbs.resolveId('@foobar', ''), join('test', 'foo', 'bar.js'));
 

test/tsconfig.json

@@ -6,6 +6,7 @@
 			"@foobar": ["foo/bar"],
 			"@foobar-react": ["foo/bar-react"],
 			"@bar/*": ["bar/*"],
+			"bar/*": ["bar/*"],
 			"@js": ["js"]
 		}
 	}