38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
import rule from "../../lib/rules/no-unused-expressions.js";
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import RuleTester from "../../../babel-eslint-shared-fixtures/utils/RuleTester.js";
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const ruleTester = new RuleTester();
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ruleTester.run("@babel/no-unused-expressions", rule, {
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valid: [
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"let a = do { if (foo) { foo.bar; } }",
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"let a = do { foo; }",
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"let a = do { let b = 2; foo; }",
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"let a = do { (foo + 1); }",
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"let a = do { if (foo) { if (foo.bar) { foo.bar; } } }",
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"let a = do { if (foo) { if (foo.bar) { foo.bar; } else if (foo.baz) { foo.baz; } } }",
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"foo.bar?.();",
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],
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invalid: [
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{
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code: "let a = do { foo; let b = 2; }",
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errors: [
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{
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message:
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"Expected an assignment or function call and instead saw an expression.",
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type: "ExpressionStatement",
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},
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],
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},
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{
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code: "let a = do { if (foo) { foo.bar } else { a; bar.foo } }",
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errors: [
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{
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message:
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"Expected an assignment or function call and instead saw an expression.",
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type: "ExpressionStatement",
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},
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],
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},
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],
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});
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