test(typescript-estree): add tests for satisfies

typescript-eslint · Oct 2, 2022 · 3f346d6 · 3f346d6
1 parent 9bf0aac
commit 3f346d6
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diff --git a/packages/shared-fixtures/fixtures/typescript/expressions/satisfies-expression.src.ts b/packages/shared-fixtures/fixtures/typescript/expressions/satisfies-expression.src.ts
@@ -0,0 +1,10 @@
+x satisfies T;
+x < y satisfies boolean; // (x < y) satisfies boolean;
+x === 1 satisfies number; // x === (1 satisfies number);
+x satisfies any satisfies T;
+
+const t2 = { a: 1, b: 1 } satisfies I1; // Error
+const t3 = { } satisfies I1; // Error
+const t4: T1 = { a: "a" } satisfies T1; // Ok
+const t5 = (m => m.substring(0)) satisfies T2; // Ok
+const t6 = [1, 2] satisfies [number, number];
diff --git a/packages/typescript-estree/tests/ast-alignment/fixtures-to-test.ts b/packages/typescript-estree/tests/ast-alignment/fixtures-to-test.ts
@@ -477,6 +477,11 @@ tester.addFixturePatternConfig('typescript/expressions', {
      * @see https://github.com/babel/babel/issues/14613
      */
     'instantiation-expression',
+    /**
+     * TS 4.9 `satisfies` operator has not been implemented in Babel yet.
+     * @see https://github.com/babel/babel/pull/14211
+     */
+    'satisfies-expression',
   ],
 });
 

diff --git a/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.test.ts.snap b/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.test.ts.snap
@@ -2652,6 +2652,8 @@ exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" e
 
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/expressions/optional-call-expression-type-arguments.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
 
+exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/expressions/satisfies-expression.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
+
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/expressions/tagged-template-expression-type-arguments.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
 
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/namespaces-and-modules/ambient-module-declaration-with-import.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;