feat(utils): 新增 joinSlices

Author: cloudcome

src/utils/string.ts

@@ -45,3 +45,7 @@ export function toTypePath(props: string[]): string {
   const path = props.map((p) => JSON.stringify(p)).join('][');
   return path ? '[' + path + ']' : '';
 }
+
+export function joinSlices(slices: Array<string | undefined>, separator = '\n') {
+  return slices.filter(Boolean).join(separator);
+}

test/utils/string.test.ts

@@ -1,4 +1,4 @@
-import { buildName, findOrigin, RefInfo, refToType, toTypePath, varString } from '../../src/utils/string';
+import { buildName, findOrigin, joinSlices, RefInfo, refToType, toTypePath, varString } from '../../src/utils/string';
 
 test('buildName', () => {
   expect(buildName('!')).toEqual('unnamed');
@@ -55,3 +55,8 @@ test('toTypePath', () => {
   expect(toTypePath(['a'])).toEqual('["a"]');
   expect(toTypePath(['a', 'b'])).toEqual('["a"]["b"]');
 });
+
+test('joinSlices', () => {
+  expect(joinSlices(['', undefined, ''])).toEqual('');
+  expect(joinSlices(['1', undefined, '2', ''])).toEqual('1\n2');
+});