fix: Fix broken imports for components with the same name imported from different folders (styleguidist#1567)

Closes styleguidist#1566

Author: mitsuruog

src/client/utils/__tests__/transpileImports.spec.ts

@@ -85,6 +85,20 @@ const C = cat$0.C;
 `);
 	});
 
+	describe.each([
+		['./cat/capybara/hamster', '__cat_capybara_hamster'],
+		['../cat/capybara/hamster', '___cat_capybara_hamster'],
+		['cat/capybara/hamster', 'cat_capybara_hamster'],
+	])('transpile default imports via relative path', (modulePath, transpiled) => {
+		test(`${modulePath}`, () => {
+			const result = transpileImports(`import B from '${modulePath}'`);
+			expect(result).toMatchInlineSnapshot(`
+	"const ${transpiled}$0 = require('${modulePath}');
+	const B = ${transpiled}$0.default || ${transpiled}$0;"
+	`);
+		});
+	});
+
 	test('return code if there are no imports', () => {
 		const code = `<Button />`;
 		const result = transpileImports(code);

src/client/utils/rewriteImports.ts

@@ -4,7 +4,7 @@
 const UNNAMED = /import\s*['"]([^'"]+)['"];?/gi;
 const NAMED = /import\s*(\*\s*as)?\s*(\w*?)\s*,?\s*(?:\{([\s\S]*?)\})?\s*from\s*['"]([^'"]+)['"];?/gi;
 
-function alias(key: string): {key: string; name: string} {
+function alias(key: string): { key: string; name: string } {
 	key = key.trim();
 	const name = key.split(' as ');
 	if (name.length > 1) {
@@ -15,13 +15,7 @@ function alias(key: string): {key: string; name: string} {
 
 let num: number;
 function generate(keys: string[], dep: string, base: string, fn: string): string {
-	const tmp =
-		(dep
-			.split('/')
-			.pop() as string)
-			.replace(/\W/g, '_') +
-		'$' +
-		num++; // uniqueness
+	const tmp = dep.replace(/\W/g, '_') + '$' + num++; // uniqueness
 	const name = alias(tmp).name;
 
 	dep = `${fn}('${dep}')`;
@@ -41,7 +35,6 @@ function generate(keys: string[], dep: string, base: string, fn: string): string
 	return out;
 }
 
-
 export default function(str: string, fn = 'require'): string {
 	num = 0;
 	return str