test: fix test typing issues

@commitlint/config-validator/src/validate.test.ts

@@ -1,6 +1,7 @@
-import {validateConfig} from './validate';
 import {RuleConfigSeverity, UserConfig} from '@commitlint/types';
 
+import {validateConfig} from './validate.js';
+
 const validSchemas: Record<string, UserConfig> = {
 	empty: {},
 	withEmptyExtends: {extends: []},
@@ -9,7 +10,13 @@ const validSchemas: Record<string, UserConfig> = {
 	withMultipleExtends: {extends: ['test', 'test2']},
 	withFormatter: {formatter: ''},
 	withHelpUrl: {helpUrl: ''},
-	withRules: {rules: {a: [RuleConfigSeverity.Disabled], b: [RuleConfigSeverity.Warning, 'never'], c: [RuleConfigSeverity.Error, 'never', true]}},
+	withRules: {
+		rules: {
+			a: [RuleConfigSeverity.Disabled],
+			b: [RuleConfigSeverity.Warning, 'never'],
+			c: [RuleConfigSeverity.Error, 'never', true],
+		},
+	},
 	withParserPresetString: {parserPreset: 'test'},
 	withParserPresetObject: {parserPreset: {}},
 	withParserPresetObject2: {parserPreset: {name: 'string', path: 'string'}},

@commitlint/cz-commitlint/tsconfig.json

@@ -6,6 +6,6 @@
     "outDir": "./lib"
   },
   "include": ["./src"],
-  "exclude": ["./src/**/*.test.ts", "./lib/**/*"],
+  "exclude": ["./src/**/*.test.ts", "./src/**/*-test.ts", "./lib/**/*"],
   "references": [{"path": "../cli"}]
 }

@commitlint/rules/src/header-trim.test.ts

@@ -1,6 +1,7 @@
 import parse from '@commitlint/parse';
-import {Commit} from '@commitlint/types';
-import {headerTrim} from './header-trim';
+import type {Commit} from 'conventional-commits-parser';
+
+import {headerTrim} from './header-trim.js';
 
 const messages = {
 	correct: 'test: subject',
@@ -18,10 +19,13 @@ const messages = {
 	mixSurround: '\t \ttest: subject \t  \t',
 };
 
-const parsed = Object.entries(messages).reduce((_parsed, [key, message]) => {
-	_parsed[key] = parse(message);
-	return _parsed;
-}, {}) as Record<keyof typeof messages, Promise<Commit>>;
+const parsed = Object.entries(messages).reduce(
+	(_parsed, [key, message]) =>
+		Object.assign(_parsed, {
+			[key]: parse(message),
+		}),
+	{} as Record<keyof typeof messages, Promise<Commit>>
+);
 
 test('should succeed when header is not surrounded by whitespace', async () => {
 	const result = headerTrim(await parsed.correct);

@commitlint/rules/src/header-trim.ts

@@ -4,8 +4,8 @@ import {SyncRule} from '@commitlint/types';
 export const headerTrim: SyncRule = (parsed) => {
 	const {header} = parsed;
 
-	const startsWithWhiteSpace = header !== header.trimStart();
-	const endsWithWhiteSpace = header !== header.trimEnd();
+	const startsWithWhiteSpace = header !== header?.trimStart();
+	const endsWithWhiteSpace = header !== header?.trimEnd();
 
 	switch (true) {
 		case startsWithWhiteSpace && endsWithWhiteSpace:

tsconfig.json

@@ -1,8 +1,8 @@
 {
   "extends": "./tsconfig.shared.json",
   "files": [],
-  "include": ["./auto-imports.d.ts", "./**/*.test.ts"],
-  "exclude": ["./**/lib/*.test.ts"],
+  "include": ["./auto-imports.d.ts", "./**/*.test.ts", "./**/*-test.ts"],
+  "exclude": ["./**/lib/*.ts"],
   "compilerOptions": {
     "noEmit": true
   },