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errors.test.ts
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errors.test.ts
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import { it, mock } from "node:test";
import assert from "node:assert";
import tsBlankSpace from "../src/index.ts";
it("errors on enums", () => {
const onError = mock.fn();
const out = tsBlankSpace(
`
enum E1 {}
export enum E2 {}
`,
onError,
);
assert.equal(onError.mock.callCount(), 2);
assert.equal(
out,
`
enum E1 {}
export enum E2 {}
`,
);
});
it("errors on parameter properties", () => {
const onError = mock.fn();
const out = tsBlankSpace(
`
class C {
constructor(public a, private b, protected c, readonly d) {}
}
`,
onError,
);
assert.equal(onError.mock.callCount(), 4);
assert.equal(
out,
`
class C {
constructor(public a, private b, protected c, readonly d) {}
}
`,
);
});
it("errors on namespace value", () => {
const onError = mock.fn();
const out = tsBlankSpace(
`
namespace N {}
module M {}
`,
onError,
);
assert.equal(onError.mock.callCount(), 2);
assert.equal(
out,
`
namespace N {}
module M {}
`,
);
});
it("errors on CJS export assignment syntax", () => {
const onError = mock.fn();
const out = tsBlankSpace(
`
export = 1;
`,
onError,
);
assert.equal(onError.mock.callCount(), 1);
assert.equal(
out,
`
export = 1;
`,
);
});
it("errors on CJS import syntax", () => {
const onError = mock.fn();
const out = tsBlankSpace(
`
import lib = require("");
`,
onError,
);
assert.equal(onError.mock.callCount(), 1);
assert.equal(
out,
`
import lib = require("");
`,
);
});
it("errors on prefix type assertion", () => {
const onError = mock.fn();
const tsInput = `let x = <string>"test";`;
let jsOutput = tsBlankSpace(tsInput, onError);
assert.equal(onError.mock.callCount(), 1);
assert.equal(jsOutput, `let x = <string>"test";`);
});
it("errors on prefix type assertion as arrow body within binary expressions", () => {
const onError = mock.fn();
const tsInput = `(()=><any>{p:null}.p ?? 1);`;
let jsOutput = tsBlankSpace(tsInput, onError);
assert.equal(onError.mock.callCount(), 1);
assert.equal(jsOutput, `(()=><any>{p:null}.p ?? 1);`);
});